专利摘要:
The present invention relates to a method for improving control of a vehicle's performance with respect to vehicle speed, comprising the steps of continuously determining (S1) the prevailing vehicle speed for detecting changes in vehicle speed; continuously determining (S2) a vehicle speed desired by a vehicle operator by means of throttle control and / or vehicle braking means; and determining whether or not a change in said prevailing vehicle speed is desired by the vehicle operator. The present invention also relates to a system for improving control of a vehicle's performance. The present invention also relates to a motor vehicle. The present invention also relates to a computer program and a computer program product. (Fig. 4)
公开号:SE1350074A1
申请号:SE1350074
申请日:2013-01-24
公开日:2014-07-25
发明作者:Linus Bredberg;Olof Larsson
申请人:Scania Cv Ab;
IPC主号:
专利说明:

10152025An object of the present invention is to provide a system forimprove the steering of a vehicle's driving that facilitates reductionfuel consumption of the vehicle.
SUMMARY OF THE INVENTIONThese and other objects, which appear from the following description,achieved by a method and a system, a motor vehicle and acomputer programs and a computer program product of the kind initially indicated andwhich further exhibits the features set forth in the characterizing part ofappended independent claims 1, 6, 11, 12,embodiments of the method and system are defined in the accompanyingdependent claims 2-5 and 7-10.13. PreferredAn object of the present invention is to provide a method forimprove the control of a vehicle's performance in terms of vehicle speed,including the steps for continuously determining the prevailing vehicle speeddetection of changes in vehicle speed; continuously determine one by onevehicle operator by means of throttle control and / or vehicle brake means desiredvehicle speed; and determine whether a change of the said prevailingvehicle speed is desired or not desired by the vehicle operator. Herebyallows the use of a reference speed in the same way as attravel by means of cruise control without the use of cruise control. Hereby is obtainedconsequently a good estimate of the desired speed of the vehicle operator whichmakes it possible to determine whether there is a change in said prevailing vehicle speedby the vehicle operator desired or not as a basis for submittingproposals for measures to the vehicle operator and / or data for assessment ofthe actions of the vehicle operator so that unnecessary proposals for action can be avoidedand a more accurate assessment of the vehicle operator's actions can be provided.
Consequently, facilitation offuel consumption of the vehicle without reference speed from ais thereby made possible to reduce10152025Cruise control needs to be used to determine an economic speed profilefor improving fuel economy.
According to one embodiment, the method comprises the step of updating the saiddesired vehicle speed to said prevailing vehicle speed in those casesthe vehicle is in a predetermined stationary state, the vehicleaccelerated to a new prevailing speed higher than the previous prevailing speed,or the vehicle is braked to a new prevailing speed lower than previously prevailingspeed. With the feature that the vehicle is accelerated to a new prevailing speedhigher than the prevailing speed refers to the acceleration performed by the driver andfor example not due to acceleration that occurs when the vehicle is traveling ina downhill slope. l / led the feature that the vehicle is braked to a new prevailingspeed lower than the prevailing speed is intended by the driver performedbraking and, for example, no deceleration due to an uphill slope.
This improves the estimation of the desired speed of the vehicle operatorcurrentwhich makes it possible to determine whether a change of the saidvehicle speed is desired or not desired by the vehicle operator.
According to one embodiment of the method, said stationary state is characterized bythat the prevailing vehicle speed is predeterminedspeed range and current torque output are within a predetermined rangetorque output intervals. improvethe desired speed of the vehicle operator.within oneHereby the estimate ofAccording to one embodiment of the method, the predetermined are characterizedspeed range of a prevailing speed less than a predeterminedhigher value and exceeds a predetermined lower value, and wherein saidpredetermined torque output intervals are characterized by a torque output asfalls below a predetermined higher value and exceeds a predetermined lowervalue. This improves the estimation of the vehicle operator's desiredspeed.1015202530According to one embodiment of the method, the step of determining one is usedchange of said prevailing vehicle speed is by the vehicle operatordesired or notthe vehicle operator and / or data for assessment by the vehicle operatoras a basis for submitting proposals for action toacting. In this way, unnecessary eating suggestions can be avoided and / or one morecorrect assessment of the vehicle operator's actions is given.
A further object of the present invention is to provide onesystems for improving the control of the driving performance of a vehiclevehicle speed, including means for continuously determining prevailingvehicle speed for detecting changes in vehicle speed; funds forto continuously determine one by a vehicle operator by means of throttle controland / or vehicle braking means desired vehicle speed; and means todetermine whether a change in said prevailing vehicle speed is offvehicle operator desired or not. This enables the utilization of areference speed in the same way as when traveling by cruise control withoutuse cruise control. As a result, a good estimate ofthe desired speed of the vehicle operator, which makes it possible to determine whetherchange of said prevailing vehicle speed is by the vehicle operatordesired or not as a basis for submitting proposals for action tothe vehicle operator and / or data for assessment by the vehicle operatoracting so that unnecessary eating suggestions can be avoided and a more correct oneassessment of action can be given. Consequently, this is made possiblefacilitating reduced fuel consumption of the vehicle withoutreference speed from a cruise control needs to be used to determine oneeconomic speed profile for improving fuel economy.
According to one embodiment, the system comprises means for updating the saiddesired vehicle speed to said prevailing vehicle speed in those casesthe vehicle is in a predetermined stationary state, the vehicleaccelerated to a new prevailing speed higher than the previous prevailing speed,or the vehicle is braked to a new prevailing speed lower than previously prevailing10152025speed. With the feature that the vehicle is accelerated to a new prevailing speedhigher than the prevailing speed refers to the acceleration performed by the driver andfor example not due to acceleration that occurs when the vehicle is traveling ina downhill slope. With the feature that the vehicle is braked to a new prevailingspeed lower than the prevailing speed is intended by the driver performedbraking and, for example, no deceleration due to an uphill slope.
This improves the estimation of the desired speed of the vehicle operatorwhich allows to determine ifvehicle speed is desired or not desired by the vehicle operator.change of the said prevailingAccording to an embodiment of the system, said stationary state is characterized bythat the prevailing vehicle speed is predeterminedspeed range and current torque output are within a predetermined rangetorque output intervals. improvethe desired speed of the vehicle operator.within oneHereby the estimate ofAccording to an embodiment of the system, the predetermined are characterizedspeed range of a prevailing speed less than a predeterminedhigher value and exceeds a predetermined lower value, and wherein saidpredetermined torque output intervals are characterized by a torque output asfalls below a predetermined higher value or exceeds a predetermined onelower value. This improves the estimation of the vehicle operator'sdesired speed.
According to an embodiment of the system, said means are used to determineprevailing vehicle speed is offas a basis for submittingon a change of the saidvehicle operator desired or notproposals for measures to the vehicle operator and / or data for assessment ofthe actions of the vehicle operator. This allows unnecessary action suggestionsavoided and / or a more accurate assessment by the vehicle operatoracting is given.10152025DESCRIPTION OF FIGURESThe present invention will be better understood with reference tothe following detailed description read together with the attachedthe drawings, where like reference numerals refer to like partsthroughout the many views, and in which:Fig. 1 schematically illustrates a motor vehicle according to an embodiment ofpresent invention;Fig. 2 schematically illustrates a system for improving the steering of a vehicleperformance according to an embodiment of the present invention;Fig. 3 schematically illustrates an actual and desired speed profile andtorque profile when traveling along a route profile according to an embodiment ofpresent invention;Fig. 4 schematically illustrates a block diagram of a method forimprove the steering of a vehicle in accordance with an embodiment ofpresent invention; andFig. 5 schematically illustrates a computer according to an embodiment of the presentinvention.
DESCRIPTION OF EMBODIMENTSHere, the term "link" refers to a communication link that may be onephysical cable, such as an opto-electronic communications cable, or anon-physical wiring, such as a wireless connection, such as a radio ormicrowave link.
Fig. 1 schematically illustrates a motor vehicle 1 according to an embodiment ofpresent invention. The exemplary vehicle 1 consists of a heavyvehicles in the form of a truck. The vehicle can alternatively be any10152025suitable vehicle such as a bus or a car. The vehicle includes onesystem I according to the present invention.
Fig. 2 schematically illustrates a block diagram of a system I for improvementcontrolling the driving of a vehicle according to an embodiment of the presentinvention.
System I comprises an electronic control unit 100 for said control.
System 1 includes speed determining means 110 for continuousdetermine the speed of the vehicle. Said speed determining means 110according to a variant includes speedometer means.
System 1 includes throttle determining means 120 for determiningdegree of throttle by means of a throttle control of the vehicle, where saidthrottle control according to a Mentionvariant consists of an accelerator pedal.throttle determining means 120 includes according to a variantaccelerator pedal position determining means for determining if and in which case ito what extent, ie. to which position the accelerator pedal is depressed.
System 1 includes torque determining means 130 for continuous operationdetermine the vehicle's torque, ie. from the vehicle's enginedrive torque to determine a during a certain time intervaltorque withdrawal process during said time interval. Mentionedtorque determining means 130 includes any suitable means fordetermination of the vehicle's torque and includes according to a variantsensor means for determining the amount of fuel injected and / or atorque meter.
The system 1 further includes brake activation determining means 140 fordetermine if and to what extent the braking means of the vehicleduring travel along a route is activated.10152025Said brake activation determining means 140 includesservice brake determining means (not shown in figure) to determine if and in suchcases to which extent service brake means, such as foot brakes, have been used.
Said brake activation determining means 140 further includesauxiliary brake determining means (not shown in figure) to determine if and in sàcases to which extent auxiliary brake means, such as retarders,used.
Said brake activation determining means 140 further includesengine brake determining means (not shown in figure) to determine if and in suchcases to which extent engine braking means have been used.
Said brake activation determining means 140 further includesexhaust brake determining means (not shown in figure) to determine if and in sàcases to which extent exhaust brake means have been used.
Said brake activation determining means 140 further includeselectric brake determining means (not shown in figure) to determine if and if so inthe extent to which electric brake means such as induction brake means and / orhybrid brake means have been used.
The system 1 further includes driveline status determining means 150 fordetermine the status of the vehicle's driveline, ie. if gear is engaged or ifchangeover process with up- or down-shifting takes place, in order to be able todetermine if torque output is driver-induced or induced at onechangeover process where, for example, when downshifting, a warm-up takes place, whichleads to a temporary increase in torque output / nail indriveline status determining means 150 includes, according to a variant, means forthe moment. Mentionedsensing the gear position of the driveline.
The electronic control unit 100 is signal connected to the said110 via a link 10. The electronicthe control unit 100 is arranged via the link 10 to receive a signal fromspeed determinants10152025said speed determining means 110 representing speed datafor the speed of the vehicle.
The electronic control unit 100 is mentionedthrottle determination means 120 via a link 20. The electronicsignal connected tothe control unit 100 is arranged via the link 20 to receive a signal from120throttle data to determine the degree of throttle.said throttle determinants representingThe electronic control unit 100 is mentionedtorque determination means 130 via a link 30. The electronic control unitsignal connected to100 is arranged via the link 30 to receive a signal from saidtorque determining means 130 representing torque data for the socketdrive torque.
The electronic control unit 100 is mentionedbrake activation determining means 140 via a link 40. The electronicsignal connected tothe control unit 100 is arranged via the link 40 to receive a signal from140brake data for the type of brake means used and in whichextent when driving the vehicle.said brake activation determining agentThe electronic control unit 100 is mentioneddriveline status determining means 150 via a link 50. The electronicthe control unit 100 is arranged via the link 50 to receive a signal fromsaid driveline status determining means 150driveline status data to determine if torque output is driver-induced orinduced during a shift process.signal connected torepresentativeThe electronic control unit 100 is arranged to process the saidspeed data, braking data anddriveline status data to determine the desired vehicle speed is used atdriving the vehicle.throttle data, torque data,1015202510The electronic control unit 100 is arranged to process the saidvelocity data from the velocity determining means 110 to continuouslydetermine prevailing vehicle speed vc. The electronic control unit 100 isarranged to process speed datathe speed determining means 110 for continuously determining changes inprevailing vehicle speed vc.mentioned fromThe electronic control unit 100 is arranged to process the saidthrottle data and / or brake data and said torque data tocontinuously determine if a change in prevailing vehicle speed vc is offvehicle operator desired or not.
The electronic control unit is consequently arranged to continuouslydetermine the desired vehicle speed vccc based on the prevailing vehicle speedvc, vehicle speed before change vmcv of the vehicle speed andmoment takeout M.
The electronic control unit 100 is arranged to process the saidvelocity data to determine continuously over a certain time interval tcif changes in the vehicle speed during said time interval arewithin a predetermined speed range vc - vT s vc s vc + vT, where vT is aconstant. According to a variant, the time interval tc is of the order of somesecond or a few seconds.
The electronic control unit 100 is arranged to process the saidtorque data from the torque determining means 130 to continuously duringa certain time interval tc determine the torque output process during saidtime interval is within a predetermined torque output interval Mmm s M sMmm, where Mmm is a lower torque output limit, where less thanMmm, for example, can be achieved when driving downhill, and Mmcx is an uppertorque withdrawal limit, where exceeding Mmm, for example, can be achieved atuphill, at high acceleration or the like, with the intervalbetween Mmm and Mmm constitutes so-called partial load.1015202511In this case, the prevailingvehicle speed vc when the torque outlet M was within the range lvlmic s M slvlmcx during said determined time interval tc. The time interval tc is according to avc a vehicle speed that is updated tovariant on the order of a few seconds or a few seconds.
The electronic control unit is arranged to determine whether the vehicleis in a predetermined steady state by re-determining itprevailing vehicle speed vc isspeed interval and current torque output M are within the saidpredetermined torque withdrawal intervals. The stationary state constitutes onenormal case and is consequently used to identify the vehicle operator'sdesired speed vccc.within said predeterminedThe electronic control unit 100 is arranged to process the saidvelocity data and throttle data to continuously determine accelerationto a new prevailing speed vc, where the change in vehicle speed exceedsa predetermined value which according to a variant is greater than v0 + vT then prevailingthe speed vc is greater than the desired speed vccc andthe vehicle operator performs the acceleration.
The electronic control unit 100 is arranged to process the saidspeed data and braking data to continuously determine braking to anew prevailing speed vc, where the change in vehicle speed to its amountexceeds a predetermined value which in its amount is greater than vo-vT thenthe prevailing speed vc is less than the desired speed vccc andthe vehicle operator performs the braking.
The electronic control unit 100 is arranged to update the desiredvehicle speed vccc to said prevailing vehicle speed vc in those casesthe vehicle is in a predetermined stationary state, the vehicleaccelerated to a new prevailing speed vc higher than previously prevailingspeed, or the vehicle is braked to a new prevailing speed vc lower thanpreviously prevailing speed. Other cases when the vehicle speed changes1015202512is considered to be due to factors the vehicle operator can not influence, whereby itdesired speed is not updated to the current speed.
The electronic control unit 100 is arranged to process the saidtorque data and drive status data to continuously re-determinetorque outlet M is driver-induced or induced during a shifting process, whereintorque output induced during a shift process is not taken into account when determiningthe desired vehicle speed is set as above.
The system 1 makes it possible to utilize a reference speed in the form ofsaid desired speed is applied in the same manner as when traveling by means ofcruise control without using cruise control. As a result, one is obtainedgood estimation of the vehicle operator's desired speed is vdes which enablesto determine if the change in said prevailing vehicle speed is offthe vehicle operator wanted or not as a basis for issuingproposals for measures to the vehicle operator and / or data for assessment ofthe actions of the vehicle operator so that unnecessary proposals for action can be avoidedand a more accurate assessment of action can be given. Consequently, it is possiblethereby facilitating reduced fuel consumption of the vehiclewithout the need for reference speed from a cruise control to be used todetermine an economic speed profile for improving fuel economy.
Fig. 3 schematically illustrates an actual and desired speed profile andtorque profile when traveling along a route profile according to an embodiment ofpresent invention.
When traveling along a route with a route profile, the vehicle travelsinitially on a substantially flat portion of the route profile with substantiallyconstant speed up to a position (i). The torque outlet is in this case inthe interval below lVlmaX and exceeding lVlmin. This is wherethe vehicle is consequently in a stationary state, at the desired speedcoincides with the prevailing speed.1015202513From position (i) along the route profile to a position (ii) while traveling on onesubstantially flat section, the vehicle is accelerated from a prevailing speed to anew prevailing speed higher than previous prevailing speed, whereby thedesired speed is updated to the current speed. Here exceedstorque outlet Mmax, which does not affect the fact that the desired speedupdated to the prevailing speed as the acceleration to new prevailsthe speed constitutes a change of prevailing desired by the vehicle operatorspeed.
From position (ii) to a position (iii) along the route profile, the vehicle travelson a substantially flat portion at said new speed. The torque outletis in this case in the interval below Mmax and exceeding lvlmin. Herebythe vehicle is consequently in a stationary state, the desired onethe speed coincides with the prevailing speed.
From position (iii) to position (iv) along the route profile, the vehicle travelsuphill. This is donethe vehicle speed to a new prevailing vehicle speed lower than thatpreviously prevailing vehicle speed, without the vehicle operator taking anya change of the prevailingbraking action. Furthermore, the torque output exceeds lVlmaX. Hereby locatedthe vehicle is not in a stationary state and the change of the prevailingthe speed is determined as not desired by the vehicle operator, whereby itdesired speed does not change to the current speed. The wished forthe velocity is the dashed line in the velocity profile in Fig. 3.
From position (iv) to a position (v) along the route profile, the vehicle travelsThis is donethe vehicle speed to a new prevailing vehicle speed that is higher than thaton a downhill slope. a change of the prevailingpreviously prevailing vehicle speed, without the vehicle operator taking anyaccelerating action. In this case, the torque output is less than lvlmin. Herebythe vehicle is not in a stationary state and the change of itthe prevailing speed is determined as not desired by the vehicle operator whereby1015202514the desired speed does not change to the prevailing speed. The wished forthe velocity is the dashed line in the velocity profile in Fig. 3.
From the position (v) to a position (vi) along the route profile, the vehicle travelson a substantially flat section where the vehicle speed is reduced withoutthe driver has taken any braking action or given any throttle. Herebyis less than the torque output Mmm. In this case, the vehicle is not stationarycondition and the change of the prevailing speed is determined as notdesired by the vehicle operator whereby the desired speed is not changed toprevailing speed. The desired speed is the dashed line inthe velocity profile in Fig. 3.
From the position (vi) to a position (vii) along the route profile, the vehicle travelson a substantially flat portion where the vehicle speed is substantially maintainedby the driver accelerating. The torque output rises so that itis in the range below Mmax and above Mmm. Hereby locatedthe vehicle is consequently in a stationary state, at the desired speedupdated to the prevailing speed.
As a result, a good estimate is obtained of the vehicle operatordesired speed is vdes which makes it possible to determine whether change of saidprevailing vehicle speed is desired by the vehicle operator or not. This canadvantageously used as a basis for submitting proposals for action tothe vehicle operator and / or data for assessment by the vehicle operatoracting so that unnecessary proposals for action can be avoided and / or one morecorrect assessment of the vehicle operator's actions can be given.
Fig. 4 schematically illustrates a block diagram of a method forimprove control of a vehicle's performance in terms of vehicle speedaccording to an embodiment of the present invention.
According to one embodiment, the method comprises improving control of onevehicle driving with regard to vehicle speed a first step S1. In this1015202515step, the current vehicle speed is continuously determined for the detection ofchanges in vehicle speed.
According to one embodiment, the method comprises improving control of onevehicle driving with respect to vehicle speed a second step S2. In thisstep is continuously determined one by a vehicle operator by means of throttle controland / or vehicle braking means desired vehicle speed.
According to one embodiment, the method comprises improving control of onevehicle driving in terms of vehicle speed a third step S3. In thisstep is determined if a change of said rescuing vehicle speed is offvehicle operator desired or not.
Referring to Fig. 5, a diagram of an embodiment of a device is shown500. The control unit 100 described with reference to Fig. 2 may in oneembodiment include the device 500. The device 500 includes a non-volatile memory 520, a data processing unit 510 and a read / write memory 550.
The non-volatile memory 520 has a first memory portion 530 wherein onecomputer programs, such as an operating system, are stored to control the operationof the device 500. Furthermore, the device 500 comprises a bus controller,a serial communication port, I / O means, an A / D converter, a time anddate input and transfer unit, an event counter and ainterrupt controller (not shown). The non-volatile memory 520 also has onesecond memory part 540.
A computer program P is provided which includes routines for improvementcontrol of a vehicle's performance in terms of vehicle speed accordinglyinnovative procedure. Program P includes routines for continuousdetermine rescue vehicle speed for detection of changes invehicle speed. Program P includes routines for continuousdetermine one by onevehicle braking means desired vehicle speed. The program P includesroutines forvehicle operator by means of throttle control and / ordetermine whether a change of said rescue1015202516vehicle speed is desired or not desired by the vehicle operator. The program P canbe stored in an executable manner or in a compressed manner in a memory 560and / or in a read / write memory 550.
When it is described that the data processing unit 510 performs a certain functionit should be understood that the data processing unit 510 performs a certain part ofthe program which is stored in the memory 560, or a certain part of the program whichis stored in the read / write memory 550.
The data processing device 510 can communicate with a data port 599 viaa data bus 515. The non-volatile memory 520 is for communicationwith the data processing unit 510 via a data bus 512. The separate memory560 is intended to communicate with the data processing unit 510 via adata bus 511.the data processing unit 510 via a data bus 514. To the data port 599 canfor example the links connected to the control unit 100 are connected.
The read / write memory 550 is arranged to communicate withWhen data is received on data port 599, it is temporarily stored in the otherreceived input has been temporarily stored, isthe data processing unit 510 prepared to perform code execution onmemory part 540. Whena manner described above. The received signals on the data port 599 canused by the device 500 to continuously determine prevailingvehicle speed for detecting changes in vehicle speed. Thethe received signals on the data port 599 can be used by the device 500to continuously determine one by a vehicle operator by means of throttle controland / or vehicle braking means desired vehicle speed. The receivedthe signals on the data port 599 may be used by the device 500 todetermine whether a change in said prevailing vehicle speed is offvehicle operator desired or not.
Parts of the methods described herein may be performed by the device 500 by means ofof the data processing unit 510 running the program stored in the memory 5601017or read / write memory 550. When the device 500 is running the program, it is executedprocedures described herein.
The above description of the preferred embodiments of the present inventioninvention has been provided for illustrative and descriptive purposes. It isnot intended to be exhaustive or to limit the invention to thosedescribed variants. Obviously, there will be a lot of modifications andvariations to be apparent to those skilled in the art. The embodiments have been selected anddescribed to best explain the principles of the invention and its practicalityapplications, thus enabling one skilled in the art to understand the inventionfor different embodiments and with the various modifications that are appropriatefor the intended use.
权利要求:
Claims (13)
[1]
A method for improving control of a vehicle's performance with respect to vehicle speed, characterized by the steps of continuously determining (S1) the prevailing vehicle speed (vc) for vehicle speed; continuously determining (S2) a vehicle speed (vccc) desired by a vehicle operator by means of throttle control and / or vehicle braking means; and determining whether or not a change in said prevailing vehicle speed (vc) is desired by the vehicle operator. detection of changes in
[2]
A method according to claim 1, comprising the step of updating said desired vehicle speed (vccc) to said prevailing vehicle speed (vc) in cases where the vehicle is in a predetermined stationary state, the vehicle is accelerated to a new prevailing speed (vc) higher than previously prevailing speed, or the vehicle is braked to a new prevailing speed (vc) lower than the previous prevailing speed.
[3]
A method according to claim 2, wherein said stationary condition is characterized in that the prevailing vehicle speed (vc) is within a predetermined speed range and the current torque output (l / l) is within a predetermined torque output interval. the one within
[4]
A method according to claim 3, predetermined speed intervals are characterized by a prevailing (vc) speed which is less than said predetermined higher value (v0 + vT) and exceeds a predetermined lower value (vc-VT), and wherein said predetermined torque output intervals are characterized by a torque output (l / l) which is less than a predetermined higher value (lvlmcx) and exceeds a predetermined lower value (Mmm).
[5]
A method according to any one of claims 1-4, wherein the step of determining whether a change of said prevailing vehicle speed (vc) is desired by the vehicle operator or not is used as a basis for submitting proposals to the vehicle operator and / or a basis for assessing the vehicle operator's actions. 10 15 20 25 19
[6]
System (I) for improving control of a vehicle's performance with respect to vehicle speed, characterized by means (100, 110) for continuously determining the prevailing vehicle speed (vc) for detecting changes in vehicle speed; means (100, 110, 120, 140) for continuously determining a vehicle speed (vccc) desired by a vehicle operator by means of throttle control and / or vehicle brake means; and means (100, 110, 120, 130, 140, 150) for determining whether or not a change in said prevailing vehicle speed (vc) is desired by the vehicle operator.
[7]
A system according to claim 6, comprising means (100) for updating said desired vehicle speed to said prevailing vehicle speed in cases of a predetermined stationary condition, the vehicle is accelerated to a new prevailing speed (vc) higher than previously prevailing speed, or the vehicle is decelerated to a new prevailing speed (vc) lower than the previous prevailing speed. the vehicle is in
[8]
A system according to claim 7, wherein said stationary condition is characterized in that the vehicle speed (vc) is within a predetermined speed range and the current torque output (l / l) is within a predetermined torque output interval. the prevailing within one
[9]
A system according to claim 8, wherein said predetermined speed range is characterized by a prevailing speed (vc) which is less than a predetermined higher value (v0 + vT) and exceeds a predetermined lower value (vc-VT), and wherein said predetermined torque withdrawal interval is characterized by a torque output (l / l) which is less than a predetermined higher value (Mmax) and exceeds a predetermined lower value (Mmm).
[10]
A system according to any one of claims 6-9, wherein said means (100, 110, 120, 130, 140, 150) for determining whether or not a change in said prevailing vehicle speed (vc) is desired by the vehicle operator is used as a basis for submission of proposed measures to the vehicle operator and / or documentation for assessing the vehicle operator's actions. 20
[11]
Motor vehicle comprising a system (1) according to any one of claims 6-10.
[12]
A computer program (P) for improving the control of the operation of a vehicle, said computer program (P) comprising program code which, when run by an electronic control unit (100) or another computer (500) connected to the electronic control unit (100) , the electronic control unit (100) is capable of performing the steps of claims 1-5.
[13]
A computer program product comprising a digital storage medium which stores the computer program according to claim 12.
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同族专利:
公开号 | 公开日
SE540493C2|2018-09-25|
DE102014000251A1|2014-07-24|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题

法律状态:
2020-09-01| NUG| Patent has lapsed|
2020-09-29| NUG| Patent has lapsed|
优先权:
申请号 | 申请日 | 专利标题
SE1350074A|SE540493C2|2013-01-24|2013-01-24|Procedures and systems for improving the control of a vehicle's performance|SE1350074A| SE540493C2|2013-01-24|2013-01-24|Procedures and systems for improving the control of a vehicle's performance|
DE201410000251| DE102014000251A1|2013-01-24|2014-01-08|Method for improving control of driving of e.g. meadow truck, involves detecting actual vehicle speed and desired vehicle speed prescribed by driver of vehicle and determining whether change of actual vehicle speed is desired by driver|
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