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    • 专利摘要:
    It is a tilt control device for a two-wheeled tilt vehicle that includes a high stiffness self-supporting controller (56) which performs a high stiffness self-sustaining control (16) that locks the tilt of the tiltable vehicle. two front wheels and which assists in a self-supporting oscillating vehicle with two front wheels, a switch that switches the high stiffness self-supporting control (l6) to on or off state, and a shift cancellation controller (57) that performs a control (17) that maintains the self-supporting state of the two-wheeled rocker vehicle to a predetermined travel state when the high stiffness self-supporting control (16) is turned off.
    公开号:BR102017020652A2
    申请号:R102017020652-1
    申请日:2017-09-27
    公开日:2018-06-12
    发明作者:Iguchi Kazunari；Uebayashi Yuichi；Kawakami Tomohiro；Miyagishi Shunichi
    申请人:Honda Motor Co., Ltd.；
    IPC主号:
    专利说明:

    (54) Title: OSCILLATION CONTROL DEVICE FOR TWO FRONT WHEELS OSCILLATING VEHICLE (51) Int. CL: B60G 17/016; B62K 25/02 (30) Unionist Priority: 29/09/2016 JP 2016191066 (73) Holder (s): HONDA MOTOR CO., LTD.
    (72) Inventor (s): KAZUNARI IGUCHI; YUICHI UEBAYASHI; TOMOHIRO KAWAKAMI; SHUNICHI MIYAGISHI (74) Attorney (s): DANNEMANN, SIEMSEN, BIGLER & IPANEMA MOREIRA (57) Summary: This is an oscillation control device for an oscillating vehicle with two front wheels that includes a high rigidity self-supporting controller (56) which performs a high stiffness self-sustaining control (L6) that locks the oscillating vehicle's oscillation with two front wheels and assists a self-sustaining oscillating vehicle with two front wheels, a switch that switches the high stiffness self-sustaining control (L6) to the ON or OFF state, and a travel cancellation controller (57) that performs a travel cancellation control (L7) that maintains the self-sustaining state of the oscillating vehicle with two front wheels to a predetermined travel state when the high rigidity self-support control (L6) is turned off.
    1/27
    Descriptive Report of the Invention Patent for "OSCILLATION CONTROL DEVICE FOR TWO FRONT WHEELS OSCILLATING VEHICLE".
    BACKGROUND
    FIELD OF THE INVENTION [0001] The present invention relates to an oscillation control device for an oscillating vehicle with two front wheels.
    DESCRIPTION OF THE RELATED TECHNIQUE [0002] In the related technique, in an oscillation control device for an oscillating vehicle with two front wheels, an oscillation assist technology, according to a vehicle speed, is known (for example, Japanese Unexamined Patent Application, First Publication No. 2010143474).
    SUMMARY [0003] Consequently, in the related technique, when there is control of shutdown of the self-support control during the realization of the oscillation lock, the oscillation of a vehicle can occur when the self-support assistance stops abruptly. [0004] One aspect of the present invention is provided to suppress variation in rolling posture when the self-supporting assistance stops at an oscillation control device for an oscillating vehicle with two front wheels.
    [0005] An oscillation control device for an oscillating vehicle with two front wheels, according to the present invention, employs the following configurations.
    [0006] (1) An oscillation control device for an oscillating vehicle with two front wheels, according to one aspect of the present invention, is an oscillation control device for an oscillating vehicle with two front wheels comprising a pair
    Petition 870170072498, of 9/27/2017, p. 36/105
    2/27 left and right front wheels and configured to swing a vehicle body sideways, the swing control device for a two front wheel swing vehicle includes a high rigidity self-supporting controller that performs high rigidity self-supporting control which stops the oscillation of the oscillating vehicle with two front wheels and which assists in self-sustaining the oscillating vehicle with two wheels, a commutator that switches the high stiffness self-sustaining control to the ON or OFF state and an offset cancellation controller that performs a control offset cancellation that maintains the self-sustaining state of the oscillating vehicle with two front wheels until a predetermined travel state is established when the high rigidity self-sustaining control is turned off.
    [0007] According to this configuration (1) mentioned above, when the high rigidity self-support control is turned off during the high rigidity self-support control, since the high rigidity self-support control is maintained until a vehicle speed, a distance traveled, and so on, becomes a predetermined travel state, the variation in the rolling posture, when the high stiffness self-support control is released, can be suppressed.
    [0008] (2) In the aspect of (1) mentioned above, the high rigidity self-sustaining control can be released when a vehicle speed of the oscillating vehicle with two front wheels exceeds a predetermined speed.
    [0009] According to the configuration of (2) mentioned above, as the oscillation lock is released when the predetermined speed is exceeded, an appropriate scrolling drive state can be provided even when the oscillation lock is applied 870170072498, de 09/27/2017, p. 37/105
    3/27 each on a sloping road or similar.
    [0010] (3) In the aspect of (1) or (2) mentioned above, a self-supporting auxiliary spring controller that performs a self-supporting auxiliary spring control that applies a restraining force to an oscillation of the two-wheel oscillating vehicle front and which suppresses the oscillation of the oscillating vehicle with two front wheels before achieving high rigidity self-support control can be provided.
    [0011] According to the configuration of (3) mentioned above, once the oscillating vehicle with two front wheels achieves high rigidity self-support control through the self-supporting auxiliary spring control that works in a direction in which the oscillation of the oscillating vehicle with two front wheels is suppressed, the self-supporting properties can be enhanced while allowing the vehicle body to roll, and the oscillating vehicle with two front wheels can be guided naturally towards self-support.
    [0012] (4) In the aspect of (3) mentioned above, in which the self-supporting auxiliary spring control can reinforce an oscillating restraining force according to a reduction in vehicle speed.
    [0013] According to the configuration of (4) mentioned above, the oscillating vehicle with two front wheels can be gradually guided to self-support according to a reduction in vehicle speed while allowing vehicle body to roll. [0014] (5) In the aspect of any of (1) to (4) mentioned above, the displacement cancellation control can weaken an oscillating restraining force according to an increase in vehicle speed.
    [0015] According to the configuration of (5) mentioned above 870170072498, of 27/09/2017, p. 38/105
    4/27 ma, since rolling is allowed gradually according to an increase in vehicle speed, the transition to a naturally rolling state is possible as long as variation during release of the swing lock is suppressed.
    [0016] According to the aspects of the present invention, in the oscillation control device for an oscillating vehicle with two front wheels, the variation in the rolling posture when the self-support assistance is terminated can be suppressed.
    BRIEF DESCRIPTION OF THE DRAWINGS [0017] Figure 1 is a left side view of an oscillating vehicle with two front wheels, according to an embodiment of the present invention.
    [0018] Figure 2 is a left side view of a two-front suspension system of the oscillating vehicle with two front wheels.
    [0019] Figure 3 is a view shown of an arrow III of Figure 2 (a front view of an axial direction of upper and lower oscillating rods).
    [0020] Figure 4 illustrates graphs showing roll control of the oscillating vehicle with two front wheels, part (a) shows the first oscillation control, and parts (b) to (d) show the second oscillation control.
    [0021] Figure 5 is a view to describe a second oscillation control switch for the oscillating vehicle with two front wheels.
    [0022] Figure 6 is a schematic diagram to describe an oscillating vehicle control block with two front wheels.
    DESCRIPTION OF THE MODALITIES [0023] Hereinafter, a modality of the present invention will be described based on the attached drawings. In addition, directions like
    Petition 870170072498, of 9/27/2017, p. 39/105
    5/27 forward, backward, left, right and so on, described below, are the same directions on a vehicle described below, unless the context clearly indicates otherwise. Additionally, in suitable locations in the drawings used in the description below, an FR arrow showing a forward direction in relation to a vehicle, an LH arrow showing a left direction in relation to the vehicle and an UP arrow showing a direction upwards in relation to the vehicle are provided.
    [0024] As shown in Figure 1 to Figure 3, an oscillating vehicle with two front wheels 1, according to one embodiment, is configured as a vehicle of the type to assemble with two front wheels in which a pair of right and left front wheels (steering wheels) 2L and 2R are provided symmetrically sideways in a front section of a vehicle body, a single rear wheel (a drive wheel) 3 is provided in the center of a rear section of the vehicle body in a left / right direction, and the vehicle body can swing sideways (rolling motion). The oscillating vehicle with two front wheels 1 has a symmetrically lateral configuration unless the context clearly indicates otherwise. In the modality, a pair of right and left components is distinguished by adding the reference character L for the component on the left and the reference character R for the component on the right, and only reference numbers of which “L” and “R ”Are removed can be displayed.
    [0025] A vehicle body structure 5 of the oscillating vehicle with two front wheels 1 includes a front suspension structure body 20 configured to support a two front wheel suspension system 4 on a front end portion of the body structure of the front vehicle 5, main structures left and right 13 extend backwards and downwards from an upper section of the bodyPetition 870170072498, of 27/09/2017, p. 40/105
    6/27 po of front suspension structure 20 while branching left and right, down left and right structures 14 extending back and down from a lower section of the front suspension structure body 20 while branches off to the left and right, the left and right pivot structures 15 extend below the rear end portions of the left and right main structures 13, and a seat structure 16 extends behind and above the sections of the left and right pivot structures 15.
    [0026] An engine (an internal combustion engine) 6 acting as a main driver of the oscillating vehicle with two front wheels 1 is mounted below the main frames 13. A rear wheel 3 powered by engine power 6 is supported by the end portions rear of the swing arms 7. Front end portions of the swing arms 7 are supported vertically in swing through the left and right pivot structures
    15. A knee claw section 8 sandwiched between both knees of a driver (a driver) is arranged over engine 6, and an occupant seat 9 is disposed behind the knee claw section 8. The claw section of knee 8 consists of an engine 6 fuel tank, an article storage box, or the like.
    [0027] A front tube 12 through which a steering rod 12a is supported is installed in a rear section of the front suspension frame body 20. A bar-type steering handle 11 is attached to an upper end portion of the axle guide 12a projecting from the front tube
    12. A bottom support 12b to which a steering link mechanism 18 is attached is attached to a lower end portion of the steering shaft 12a projecting from
    Petition 870170072498, of 9/27/2017, p. 41/105
    7/27 under the front tube 12. The front left and right fork units 28 are connected to the steering link mechanism 18 via left and right link rods 19L and 19R. Line C1 of the drawing represents a central axis (a steering axis) of the front tube 12 and the steering rod 12a.
    [0028] An upper swing rod 25 that passes through a lateral center of an integrated upper arm 24 in the two front wheel suspension system 4 is supported for the upper section of the front suspension frame body 20. A lower swing rod 27 which passes coaxially through the left and right inner end portions of the left and right lower arms 26L and 26R, which are separated on the right and left sides, in the front two-wheel suspension system 4 is supported for the lower section of the frame body front suspension 20. The lower and upper swing rods 25 and 27 are parallel to each other and angled forward and upward.
    [0029] The upper arm 24 and the lower left and right arms 26 of the two front wheel suspension system 4 extend left and right in front of the front tube 12. The upper sections of the left front fork units and right 28L and 28R which independently suspend the left and right front wheels 2L and 2R are supported for the upper arm 24 and left and right outer end portions of the left and right lower arms 26 so that they can be directed. The left and right front fork units 28L and 28R can be directed through left and right steering rods (kingpin rods) 29L and 29R parallel to front tube 12 and moved forward and out of front tube 12 when viewed in a side view of the vehicle. The reference characters C4L and C4R in the drawing represent central axes (pin axes
    Petition 870170072498, of 9/27/2017, p. 42/105
    8/27 master) of the 29L and 29R left and right steering rods. [0030] The two front wheel suspension system 4 can laterally swing a vehicle body main body 1A, which includes vehicle body structure 5, engine 6, rear wheel 3, and so on, while the left and right front wheels 2L and 2R remain in contact with the ground, and the left and right front fork units 28L and 28R can swing laterally and the left and right front wheels 2L and 2R to match the side oscillation of the main body of vehicle body 1A. Here, the two-wheel front suspension system 4 alternately vertically moves the left and right front fork units 28L and 28R and the left and right front wheels 2L and 2R relative to the vehicle body main body 1A. The CL line of the drawing represents a central lateral surface of the vehicle body.
    [0031] The left and right front fork units 28L and 28R constitute a front linkage type front suspension that approaches laterally to the inner sides of the left and right front wheels 2L and 2R. The left and right front fork units 28L and 28R include fork main bodies 31 which have upper sections supported by the upper arm 24 and left and right outer end portions of left and right lower arms 26, front arms 32 which have end portions rear end that are cantilevered by lower end portions of main fork bodies 31, damping units 33 configured to span the front arms 32 and main fork bodies 31, front wheel axles 34 installed integrally in balance in front of portions of front ends of front arms 32, caliper brackets 35 held in balance by the front wheel axles 34 while holding brake calipers 36 in front of the front wheel axles 34, and torque rods 37 configured for
    Petition 870170072498, of 9/27/2017, p. 43/105
    9/27 transpose the clamp supports 35 and the main fork bodies 31 above the front wheel axle 34.
    [0032] The C4 kingpin axes of left and right steering rods 29 are angled to be arranged further back as they go upwards in a vertical direction when viewed in a side view of the vehicle. In other words, left and right kingpin axes C4L and C4R are tilted to be parallel to a steering axis C1. The left and right kingpin axes C4L and C4R extend in a vertical direction when viewed from the front of the vehicle.
    [0033] An extension portion extending downward from the kingpin axle C4 when viewed in a side view of the vehicle reaches an intersection point T1 'in front of a contact point on the ground T1 of the front wheel 2 relative to the road surface R and a predetermined amount of track is generated. An inclined angle θ of the C4 kingpin axis in relation to the vertical direction when viewed in a side view of the vehicle is a caster angle. The front wheel axle 34 is moved forward from the extension point of the kingpin axle C4 when viewed in a side view of the vehicle. [0034] The oscillating vehicle with two front wheels 1 includes an actuator 41 configured to control lateral oscillation (rollover) of the vehicle body.
    [0035] The actuator 41 has a rotating actuation rod 42 parallel to the lower and upper swing rods 25 and 27 of the two front wheel suspension system 4. The actuator 41 fixes a housing that functions as a structure configured to receive and support the rotary drive rod 42 to be a portion of the front suspension frame body 20 above the upper swing rod 25. Actuator 41 is an electric motor or fluidic device configured to generate torque on the drive rod
    Petition 870170072498, of 9/27/2017, p. 44/105
    10/27 swivel 42, and integrally support a swing arm 43 on the swing drive rod 42. A portion of the upper arm 24 displaced from the upper swing rod 25 towards one of the right and left sides is connected to the swing arm 43 via a connection link 44. The lower and upper swing rods of the connection link 44 and an area connecting the rotating drive rod 42 and the upper swing rod 25 form a parallel link when viewed in a side view of the vehicle , the upper arm 24 oscillates according to a rotation angle of the rotating drive rod 42 and, thus, the roll of the vehicle body is controlled.
    [0036] Next, the roll control (lateral swing control) of the oscillating vehicle with two front wheels 1 will be described. [0037] As shown in Figure 4, the roll control of the oscillating vehicle with two front wheels 1 is generally classified as the first sway control (OFF self-support control, part (a) of Figure 4) of assistance of a driver rollover operation, and the second oscillation control (ON self-support control, parts (b) to (d) of Figure 4), which allows self-support of an unsupported vehicle body through a driver during stoppage.
    [0038] With reference to part (a) of Figure 4, the first oscillation control includes L1 weight change scroll assist control and L2 double effect scroll buffer control performed during standstill and reduce an effect force soon after the start of the trip, and L4 steering assist roll control and L3 single-effect roll damper control that are not performed during shutdown and increase of an effect force instead of a reduction of the effect force of the control L1 weight change scroll assistance and caster control Petition 870170072498, 9/27/2017, p. 45/105
    11/27 L2 double-acting scroll cender.
    [0039] The first oscillation control can be turned on / off by a first oscillation control switch (not shown) attached to a handle, a vehicle body, or the like, and it goes without saying that the shape of the switch is not limiting .
    [0040] The first swing control and the second swing control can be generated to operate in combination, and when the first swing control and the second swing control are linked together, in a predetermined speed range in which the swing control self-supporting auxiliary spring L5 works, each L1 weight change scroll assist control, L2 double-effect scroll buffer control, L3 single-effect scroll buffer control and L4 target scroll assistance control they also work the same way.
    [0041] Referring to Figure 4 (b), Figure 4 (d) and Figure 5, the second oscillation control is performed when a second oscillation control switch (a self-supporting ON / OFF switch) 45 is on and when it has become a predetermined travel state such as a vehicle speed below a predetermined value. For example, when an accelerator jaw 11a is used as an operating part, the second oscillation control switch 45 of the mode is turned off (OFF) from a completely closed position of the accelerator jaw 11a (a completely closed portion of acceleration) towards an operating range in an acceleration opening direction, and is switched on (ON) when driven further from the fully closed position in the acceleration closing direction. That is, an acceleration is completely closed when the second swing control switch 45 is turned on.
    [0042] The second oscillation control includes the spring control
    Petition 870170072498, of 9/27/2017, p. 46/105
    12/27 self-supporting auxiliary L5 in which the effect force is gradually increased as a vehicle speed is reduced by one point of time when the vehicle speed has reached a low speed (for example, 15 km / h) during deceleration when the second swing control switch 45 is switched on, and the high stiffness self-holding control L6 in which the effect force is increased to a predetermined value from a time point when the vehicle speed has reached a speed very low (eg 3 km / h) until the vehicle stops during deceleration when the second swing control switch 45 is switched on.
    [0043] The L5 self-supporting auxiliary spring control overrides the L4 steering assistance roll control. In a speed range that exceeds a predetermined speed of the L5 self-supporting auxiliary spring control, the L4 directional scroll assist control is continuous even when the second swing control switch 45 is turned on. Here, the L1 weight change scroll assist control, the L2 double-effect scroll buffer control and the L3 single-effect scroll buffer control are also continuous. [0044] In the self-supporting control of high stiffness L6, several rolling moments applied to the vehicle body are suppressed by a control system. That is, in the case of high rigidity self-support control L6, it is possible to stop the oscillation of the oscillating vehicle with two front wheels 1 and assist the oscillation of the oscillating vehicle with two front wheels 1 for self-support. For this reason, when high rigidity self-support is released, the various rolling moments cannot be suppressed simultaneously. Here, in the second oscillation control, the displacement cancellation control L7 (see part (c) of Figure 4) which stores a value
    Petition 870170072498, of 9/27/2017, p. 47/105
    13/27 oscillation torque instruction during self-sustaining high rigidity and which applies the same oscillation torque at the time of release of the self-support in order to gradually decrease the oscillation torque is performed.
    [0045] With reference to part (c) of Figure 4, the displacement cancellation control L7 gradually reduces an oscillating restraining force according to an increase in vehicle speed, and ends at a point of time, for example, when the vehicle has traveled a predetermined distance (for example, 9 m) after starting the control. The L7 offset cancellation control issues a value of “0” until a predetermined storage condition is admitted.
    [0046] Here, the high stiffness self-sustaining control L6 maintains high stiffness self-sustaining until the vehicle speed has reached a predetermined speed (for example, 3 km / h) even when the vehicle is on the move while the second switch oscillation control 45 is not switched off (line L6 'in the drawing) and releases high rigidity self-support when the vehicle speed exceeds the predetermined speed. The high stiffness self-supporting control L6 is released when a vehicle speed of the oscillating vehicle with two front wheels exceeds a predetermined speed. In addition, at this time, the L7 offset cancellation control emits a stored value through the use of the high stiffness self-support release as a trigger (line L7 'in the drawing). In addition, when the previously stored value is decreased, a new value is not admitted until the next storage condition is satisfied. The travel cancellation control L7 maintains the self-sustaining state of the oscillating vehicle with two front wheels 1 until a predetermined travel state is established
    Petition 870170072498, of 9/27/2017, p. 48/105
    14/27 when the L6 high stiffness self-support control is turned off.
    [0047] Next, an oscillating vehicle control block with two front wheels 1 will be described.
    [0048] As shown in Figure 6, various information, such as a vehicle speed, the on / off of the second swing control switch 45, a roll rate (an angular speed), a roll angle, a roll force steering and a steering angle are supported for a 50 ECU swing control. A weight-changing scroll assist controller 51, a double-effect scroll damper controller 52, a steering scroll assistance controller 54, a single-effect scroll damper controller 53, a self-supporting auxiliary spring controller 55, a high-rigidity self-supporting controller 56 and an offset cancellation controller 57 are installed in the ECU swing control 50.
    [0049] In the weight change scroll assistance controller 51, a state in which a change in the weight of a driver can be balanced during standstill, that is, a state in which the inclination of the vehicle body followed by the change in weight of the conductor is created, and a transition from stoppage to course can be accomplished without stepping on the ground with one foot (the weight change roll assist control L1).
    [0050] In the L1 weight change scroll assistance control, a weight change amount (calculated by an oscillation torque, a roll rate, a roll angle, a steering angle and a vehicle speed) and a vehicle speed is input information. The oscillation torque is detected by, for example, a torque sensor installed close to the
    Petition 870170072498, of 9/27/2017, p. 49/105
    15/27 upper and lower swing rods 25 and 27 in the front two-wheel suspension system 4, the roll rate and roll angle are detected using, for example, a gyro sensor installed on the vehicle body, the angle steering force and steering force are detected using, for example, a steering force sensor / steering angle installed near the steering rod 12a, and vehicle speed is detected using, for example, a speed sensor vehicle installed close to the front wheel axle 34.
    [0051] In the L1 weight change scroll assistance control, an oscillating torque in proportion to an estimated rolling moment value due to a weight change in a conductor is instructed. In reality, the weight change itself is not instructed, and a total value (an estimated amount of weight change and an estimated external force moment) of the moment applied to the vehicle body other than the oscillation unit is estimated, and a value instruction (a weight change scroll assist instruction value) of the oscillation torque is output based on the estimated total value. The emission value refers to a map in which the effect force is adjusted according to a vehicle speed. In the mode, each controller has a similar map.
    [0052] Additionally, taking into account a rolling angle in relation to an oscillation reference position, when an instruction value of the oscillation torque is a value that indicates an emission of the oscillation torque towards a side on which the vehicle body is tilted to the ground, an oscillation torque instruction value is set to zero. That is, the oscillation torque is only emitted towards one side where the vehicle body is raised, and the roll to the side where the vehicle body is tilted to the ground is not assisted. Specifically, when the vehicle body rolls
    Petition 870170072498, of 9/27/2017, p. 50/105
    16/27 to the right of the swing reference position and the weight change is directed to the right or when the vehicle body rolls to the left of the swing reference position and the weight change is directed to the left, oscillation torque instruction value is set to zero. Since the torque towards the side where the vehicle body is tilted towards the ground is set to zero, even when the admission of torque towards the side where the vehicle body is inclined towards the ground and generated due to a reaction in relation to the weight change in order to raise the vehicle body, the influence in relation to a vehicle body lifting operation is suppressed.
    [0053] An assist force from the first swing control is not applied in a direction in which the vehicle body is tilted towards the ground from the swing reference position and is applied only in a direction in which the vehicle body is raised towards the reference position. The oscillation reference position is an oscillating position in which a vertical axis (an axis in the vertical direction) coincides with a central surface of the lateral vehicle body CL during standstill, and is an oscillating position in which an inclined axis that is inclined in relative to the vertical axis through a predetermined angle in the direction of direction coincides with the central surface of the lateral vehicle body CL when the vehicle travels a direction angle (during curves). The oscillating reference position during a turn is determined on the basis of an oscillating reference position map in which a steering angle and vehicle speed are used as parameters. The oscillating reference position is an oscillating balancing position in which oscillating moments in the vehicle body are canceled in the lateral direction.
    [0054] For example, when a direction angle to the
    Petition 870170072498, of 9/27/2017, p. 51/105
    17/27 left is applied, the front wheels 2L and 2R are tilted to the left of the adjustment of the caster angle and the amount of track, and the vehicle body and driver will start moving to the left in relation to the points of contact with the ground of T1L and T1R of the front wheels 2L and 2R. In this regard, the driver will naturally move to the right in order to balance himself in a self-sustaining state. As long as a self-supporting oscillation angle obtained as a result of this conductor movement is a balancing reference angle, in modality, an oscillating angle less than the balancing reference angle is set as a dead zone for assistance control. weight change scroll wheel L1.
    [0055] In the L1 weight change scroll assistance control, there is a case where the reaction may be delayed. In addition, since the oscillation torque instruction rises after the weight change of the conductor has been interrupted, there is a case where the reaction may be delayed after the operation. In addition, since the torque is applied merely to the vehicle body roll, it is necessary to provide an element configured to stop the roll after the roll starts to proceed. For these reasons, it is preferable to use the L1 weight change scroll assist control in conjunction with the L2 double-effect scroll damper control.
    [0056] In the double-acting scroll buffer controller 52, travel stability is increased by improving the scroll stability (the double-acting scroll buffer control L2). In the L2 double-acting shock absorber control, the rate of roll and vehicle speed are input information. In the L2 double-effect scroll damper control, as an oscillating torque (a damping torque) of reverse polarity is instructed in proportion to the roll rate, a compTPetition 870170072498, of 27/09/2017, pg. 52/105
    18/27 viscous friction behavior is reproduced.
    [0057] In the single-effect roll-over damper controller 53, wobbling is reduced by gently tilting the vehicle body during, in particular, low speed curve (single-acting roll-over damper control L3) . In the L3 single-effect scroll damper control, the roll rate, roll angle, vehicle speed and steering angle are input information. In the L3 single effect scroll damper control, as well as the L2 double effect scroll damper control, as the reverse polarity oscillation torque (a damping torque) is instructed in proportion to the roll rate, a viscous friction behavior is reproduced. In the L3 single-effect shock absorber control, torque that resists against the side on which the vehicle body is tilted towards the ground is generated, but a control that interferes with the side on which the vehicle body is raised is not accomplished. [0058] For example, when the vehicle is traveling in a right tilt state, the vehicle body angular speed is to the right, and when the vehicle is traveling in a left tilt state, the angular speed of vehicle body is to the left. Consequently, a switching circuit sw3 determines whether the angular velocity of the vehicle body is to the right or to the left.
    [0059] In the steering assistance controller 54, a rolling reaction in relation to the steering (a rolling reaction in a direction opposite to the steering direction) is created by a motor torque (the steering assistance control of targeting L4). For this reason, the controllability of scrolling can be maintained up to a low speed range in which normally a contradiction does not become effective, and it is possible to manPetição 870170072498, of 27/09/2017, pg. 53/105
    19/27 having the vehicle body oscillating through a driver control. However, since driver discomfort is increased when the L4 steering assist roll control is performed at a vehicle speed of zero, a weight change roll assist is performed when the vehicle speed is about zero to instead of target scrolling assistance.
    [0060] In the L4 steering assistance assistance control, the steering force and the steering angle are input information.
    [0061] In the L4 steering assist roll control, oscillating torque in a direction opposite to the steering force direction (a left rolling torque when a steering force is in a right direction, and a torque of right roll when a steering force is in a left direction) is instructed in proportion to the steering force. The instruction value is increased or decreased according to the steering angle, a proportional coefficient is decreased close to the path in a straight line, and a proportional coefficient is increased as the steering angle is increased.
    [0062] The second swing control switch 45 transmits a balancing intention from a conductor to a control system. That is, when self-support is released only with conditions, such as vehicle speed or the like, driver balancing may not happen in time. In this regard, by having the driver indicate his intention via the second swing control switch 45, it is possible to get the driver to prepare for balancing and remove the delay to start swinging.
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    20/27 [0063] In addition, since the second swing control switch 45 has the throttle clamp 11a serving as an operating part, it is not necessary for a driver to change the hand position for handling, and the vehicle can be started immediately after the release of self-support. Additionally, the driver's intention to self-sustain can be transmitted to the control system in a series of throttle OFF operation during standstill. In addition, operations during start-up are also easy, and the ON / OFF of the second swing control can be controlled directly according to the driver's intention.
    [0064] In the self-supporting auxiliary spring controller 55, the vehicle body is guided to a state of vertical permanence (a state of permanence in the vertical direction) in preparation for self-sustaining during standstill while allowing scrolling at a low speed before standstill (L5 self-supporting auxiliary spring control). The self-supporting auxiliary spring controller 55 performs a self-supporting auxiliary spring control L5 that applies a restraining force to an oscillation of the oscillating vehicle with two front wheels 1 and that suppresses oscillation of the oscillating vehicle with two front wheels 1 before reaching the control of self-support of high stiffness L6. In the L5 self-supporting auxiliary spring control, the roll angle and vehicle speed are input information. In the self-supporting auxiliary spring control L5, the oscillation torque with an inverse polarity in proportion to the roll angle is instructed. In addition, the L5 self-supporting auxiliary spring control works when the second swing control switch 45 is switched on. The self-supporting auxiliary spring control L5 reinforces an oscillating restraining force according to a reduction in vehicle speed.
    Petition 870170072498, of 9/27/2017, p. 55/105
    21/27 [0065] In the high stiffness self-supporting controller 56, a need for a driver to support the vehicle body during standstill is eliminated (the high stiffness self-supporting control L6). In the L6 high rigidity self-support control, the roll angle, roll rate and vehicle speed are input information. In the self-sustaining control of high stiffness L6, regardless of a center of gravity of the vehicle body and the driver, an oscillating torque is instructed so that a geometric center of the vehicle body is arranged on a vertical axis. The high stiffness self-supporting control L6 is in positioning control that has a positioning ring (scroll angle) and a speed ring (scroll rate), and has the same effect as a combination of a rigid scroll buffer and a rigid scroll spring.
    [0066] In the travel cancellation controller 57, the oscillation torque instruction value, the roll rate and the vehicle speed are input information. In the L7 offset cancellation control, in a state where the second swing control switch 45 is turned on, the roll rate is about zero and a vehicle speed of zero continues for 0.5 seconds or more, the circuit switching is closed, and the memory update in relation to a capture of an oscillation torque instruction value is initiated. When the second swing control switch 45 is turned on, the memory update is canceled and the stored instruction value is added to the instructed torque. The stored instruction value is decreased along, for example, the vehicle's journey, and is zero after a predetermined distance has traveled (about 9 m). In addition, when the second swing control switch 45 is switched on, a displacement value (slope) is set to 0 and added to the instructed torque.
    Petition 870170072498, of 9/27/2017, p. 56/105
    22/27 [0067] The stored torque torque instruction value includes all influences related to the rolling moment, such as gradient of inclination at that moment, a displacement of the swing torque, a stepping state of the conductor with the use of a foot, a conductor's center of gravity, a steering angle (a position in contact with the ground), and so on. [0068] Next, operations will be described.
    [0069] When only the first switch oscillation control is turned on, while the L1 weight change scroll assist control and the L2 double-effect scroll damper control reduce the effect force right after the start of the course, L1 weight change scroll assist control maintains the effect that continues during the low speed travel. Consequently, even when the vehicle body is tilted and the driver uses a foot during the low speed course, the elevation of the vehicle body by the driver with the use of the feet can be aided by the L1 weight change roll assist control. . The L1 weight change scroll assist control continues up to about 10 km / h, the L3 single effect scroll absorber control continues up to about 15 km / h, and the L2 double effect scroll absorber control. continues until about 20 km / h.
    [0070] In addition, after the vehicle has started to move, the L4 steering assistance assist control raises its effect force in order to replace the L1 weight change assistance assistance control or similar. Consequently, it is possible to cause the vehicle body to oscillate over the driver's control while maintaining the roll controllability achieved by steering.
    [0071] In the intermediate speed range of about 30 to 50 km / h, the L4 steering assistance control rePetition 870170072498, of 27/09/2017, p. 57/105
    23/27 gradually reduces its effect force according to an increase in vehicle speed, and the effect force is adjusted to 0 in about 50 km / h.
    [0072] Furthermore, in the vehicle speed range where the high rigidity self-supporting control L6 and the self-supporting auxiliary spring control L5 are not started, there is no difference if the second oscillation control switch 45 is in the state ON or OFF, and it is possible to roll the vehicle body even when the second swing control switch 45 is on. [0073] Meanwhile, when the acceleration is completely closed and the second swing control switch 45 is on, the L5 self-supporting auxiliary spring control starts from a point of time when the vehicle speed reaches the speed range. low speed (about 15 km / h or less). The L5 self-supporting auxiliary spring control gradually increases the effect force (oscillating restraint force) from the low speed range to the lowest speed range (about 3 km / h or less). Consequently, wobbling at a low speed can be reduced during deceleration while allowing vehicle body to roll, and it is possible to establish both self-support during standstill and similar controllability to a vehicle with two wheels.
    [0074] When the very low speed range is reached, the high stiffness self-supporting control L6 is initiated by instead of the self-supporting auxiliary spring control L5. Consequently, self-support of the vehicle can be performed before stoppage. In this way, since the high stiffness self-supporting control L6 is continued with the self-supporting auxiliary spring control L5, it is easily and safely possible to stop the oscillating vehicle with two front wheels 1 in a state of selfPetition 870170072498, from 09/27/2017, p. 58/105
    24/27 support.
    [0075] In addition, during the restart of the high rigidity self-support, even when several rolling moments (due to a load, luggage or similar) are applied to the vehicle body, since the oscillation torque during the rigidity self-support high is maintained by the L7 offset cancellation control, it is possible to reduce wobbling during the release of self-support.
    [0076] As described above, the sway control device for the oscillating vehicle with two front wheels 1, according to the modality, includes a high stiffness self-supporting controller 56 that performs a high stiffness self-supporting control L6 that locks the oscillation of the oscillating vehicle with two front wheels 1 and which assists the self-support of the oscillating vehicle with two wheels 1, a switch that switches the high stiffness self-sustaining control L6 to ON or OFF, and an offset cancellation controller 57 that performs a travel cancellation control L7 that maintains the self-sustaining state of the oscillating vehicle with two front wheels 1 until a predetermined travel state is established when the high rigidity self-sustaining control is switched off. [0077] According to this configuration, when the L6 high stiffness self-support control is turned off during the L6 high stiffness self-support control, since the L6 high stiffness self-support control is maintained up to a speed of vehicle, distance traveled, and so on, becomes a predetermined travel state, variation in rolling posture when the high stiffness self-support control L6 is released and can be suppressed.
    [0078] Additionally, in the oscillation control device paPetição 870170072498, of 09/27/2017, p. 59/105
    25/27 for the oscillating vehicle with two front wheels 1, depending on the mode, the high rigidity self-supporting control L6 is released when a vehicle speed of the oscillating vehicle with two front wheels 1 exceeds a predetermined speed.
    [0079] According to this configuration, as the oscillation lock is released when the predetermined speed is exceeded, an appropriate rolling drive state can be provided even when the oscillation lock is applied on a sloping road or the like.
    [0080] In addition, in the oscillation control device for the oscillating vehicle with two front wheels 1, according to the modality, a self-supporting auxiliary spring controller 55 that performs an L5 self-supporting auxiliary spring control that applies a force Restriction to oscillation of the oscillating vehicle with two front wheels 1 and suppressing oscillation of the oscillating vehicle with two front wheels 1 before reaching the high stiffness self-supporting control L6 is provided.
    [0081] According to this configuration, once the oscillating vehicle 1 with two front wheels achieves the high rigidity self-supporting control L6 through the self-supporting auxiliary spring control L5 that works in a direction in which the oscillating vehicle oscillates with two front wheels 1 is suppressed, the self-supporting properties can be enhanced while allowing the vehicle body to roll, and the oscillating vehicle with two front wheels 1 can be guided naturally towards self-support.
    [0082] In addition, in the oscillation control device for the oscillating vehicle with two front wheels 1, according to the modality, the self-supporting auxiliary spring control L5 reinforces an oscillation restraining force according to a reduction of one
    Petition 870170072498, of 9/27/2017, p. 60/105
    26/27 vehicle speed.
    [0083] According to this configuration, the oscillating vehicle with two front wheels 1 can be gradually guided to self-support according to a reduction in vehicle speed while allowing vehicle body to roll.
    [0084] In addition, in the oscillation control device for the oscillating vehicle with two front wheels 1, according to the modality, the L7 travel cancellation control weakens an oscillation restraining force according to an increase in the speed of vehicle.
    [0085] According to this configuration, since rolling is allowed gradually according to an increase in vehicle speed, the transition to a naturally rolling state is possible as long as the variation during the release of the oscillation lock is suppressed.
    [0086] Additionally, the present invention is not limited to the modality and, for example, the oscillating vehicle with two front wheels is not limited to a vehicle with three wheels that has two front wheels and a single rear wheel and that also includes a vehicle with four wheels that has two front wheels and two rear wheels. Although the travel cancellation control maintains an oscillating restraint force until it reaches a predetermined distance traveled after starting the control, the oscillating restraint force can be maintained until a vehicle speed exceeds a predetermined value. Similarly, the self-supporting auxiliary spring control can be configured to weaken the oscillating restraining force according to a vehicle speed instead of a distance traveled.
    [0087] Although preferred embodiments of the invention have been described and illustrated above, it should be understood that the same
    Petition 870170072498, of 9/27/2017, p. 61/105
    27/27 are exemplary of the invention and should not be considered as limiting. Additions, omissions, substitutions, and other modifications can be made without departing from the scope of the present invention. Consequently, the invention should not be considered as limited by the aforementioned description, and is only limited by the scope of the appended claims.
    Petition 870170072498, of 9/27/2017, p. 62/105
    1/2
    权利要求:
    Claims (5)
    [1]
    1. Swing control device for an oscillating vehicle with two front wheels (1) that has a pair of right and left front wheels (2L, 2R) and is configured to swing a vehicle body sideways, the swing control device for an oscillating vehicle with two front wheels characterized by the fact that it comprises:
    a high rigidity self-supporting controller (56) that performs a high rigidity self-supporting control (L6) that stops the oscillation of the oscillating vehicle with two front wheels (1) and that assists in self-sustaining the oscillating vehicle with two wheels, a switch that switches the high stiffness self-support control (L6) to the ON or OFF state, and a travel cancellation controller (57) that performs a travel cancellation control (L7) that maintains the self-sustaining state of the oscillating vehicle with two front wheels (1) until a predetermined travel state is established when the high rigidity self-support control (L6) is turned off.
    [2]
    2. Swing control device for an oscillating vehicle with two front wheels, according to claim 1, characterized by the fact that the high rigidity self-support control (L6) is released when a vehicle speed of the oscillating vehicle with two front wheels exceeds a predetermined speed.
    [3]
    3. Oscillation control device for an oscillating vehicle with two front wheels, according to claim 1 or 2, characterized by the fact that it comprises a self-supporting auxiliary spring controller (55) that performs a self-supporting auxiliary spring control (L5) that applies a restraining force to
    Petition 870170072498, of 9/27/2017, p. 63/105
    2/2 an oscillation of the oscillating vehicle with two front wheels (1) and that suppresses the oscillation of the oscillating vehicle with two front wheels (1) before reaching the high rigidity self-supporting control (L6).
    [4]
    4. Oscillation control device for an oscillating vehicle with two front wheels, according to claim 3, characterized by the fact that the self-supporting auxiliary spring control (L5) reinforces an oscillation restraining force according to a reduction of a vehicle speed.
    [5]
    5. Oscillation control device for an oscillating vehicle with two front wheels according to any one of claims 1 to 4, characterized in that the displacement cancellation control (L7) weakens an oscillating restraining force according to with an increase in vehicle speed.
    Petition 870170072498, of 9/27/2017, p. 64/105
    1/6
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    法律状态:
    2018-06-12| B03A| Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]|
    2021-08-10| B08F| Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]|Free format text: REFERENTE A 4A ANUIDADE. |
    2021-11-30| B08K| Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]|Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2640 DE 10-08-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |
    优先权:
    申请号 | 申请日 | 专利标题
    JP2016191066A|JP6469060B2|2016-09-29|2016-09-29|Swing control device for front two-wheel swing vehicle|
    JP2016-191066|2016-09-29|
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