• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    There is described a device and a method for controlling a tilting aircraft door (3) movable about a tilting axis (21) substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism and having a stairway (31) integrated boarding. The method includes capturing electromagnetic or ultrasonic radiation using at least one sensor (401,501); detecting a presence on the stairway based on the captured electromagnetic or ultrasonic radiation, to infer whether or not a detection condition is met; and controlling the motorized mechanism for controlling the closing of the door in response to a closing command except in the event of detection of presence on the staircase.
    公开号:FR3031081A1
    申请号:FR1463514
    申请日:2014-12-31
    公开日:2016-07-01
    发明作者:La Bardonnie Jean De；Eric Delbos；Bertrand Prouzet
    申请人:Ratier Figeac SAS；
    IPC主号:
    专利说明:

    [0001] FIELD OF THE INVENTION The present invention relates generally to aviation, and more specifically to business aviation. It relates more particularly to a method and a control device for an aircraft door, in particular a business jet or a business helicopter, for example for the transport of personalities (VIP), as well as a door for aircraft incorporating such a device. BACKGROUND In the aviation industry, business jets are classified into several categories or classes of aircraft: very light business aircraft, light business aircraft, mid-size business aircraft, etc. They are used commercially for the transport of a limited number of passengers (a few tens at most in general). Whatever their class, business aircraft have at least one door, including the cabin access door, having on one side facing the interior of the aircraft in its closed position a staircase with steps and risers. The access door opens and closes by pivoting about a horizontal axis substantially parallel to the line of faith of the aircraft that is to say the fixed reference line corresponding to the longitudinal axis of the -this. The tendency is to replace the door opening / closing maneuver currently performed manually by an operator standing inside the aircraft near the door, by an automatic maneuver provided by a motorized mechanism properly controlled. In this context, the door opening / closing maneuver could then be commanded without direct visibility of the operator on the door itself, for example from the cockpit of the aircraft by one of the crew members (" cockpit crew ") and no longer by a cabin crew member (" commercial crew ").
    [0002] 3031081 2 To avoid the risk of closing the door when, for example, a person or object is still on the open door, specifications require the use of safety devices to detect an abnormal load (eg about 30 pounds, or 13.6 kilograms) present on the door at the time of initiation of the closing sequence of the door and to inhibit it. Prior art Such known safety devices operate by comparison with a threshold of a current value in an electric drive motor of the door, which translates the torque provided by the motor. Exceeding the threshold indicates an abnormal effort that is required to start the door closing sequence. In this case, it is concluded that there is a load on the door, and the sequence is immediately interrupted. This type of device gives an indirect detection of the presence of a charge.
    [0003] With reference to the accompanying drawings, FIG. 1A schematically shows an example of a door opening / closing system 1 of an aircraft integrated in the cabin 2 of the aircraft. Similarly, Figure 1B shows a similar system, but integrated in the door 3 of the aircraft. Figure 1C is a block diagram of the main control elements of the system 1. The door 3 of the aircraft is a tilting door movable about a tilting axis 21 substantially parallel to the longitudinal axis (line of faith) of the aircraft. The door 3 has an integrated boarding stair 31, on its side facing the interior of the aircraft in the closed position of the door.
    [0004] The staircase 31 comprises steps 32 and risers 33 respectively associated. The door 3 can swing around the axis 21 from an open position to a closed position, or vice versa, thanks to a motorized mechanism. In the closed position, the door 3 obscures the opening that is provided in the cabin 2 for boarding, that is to say access on board the aircraft. In the fully open position, the staircase 31 indeed allows access to the aircraft by the users (crew members, passengers, etc.) from the tarmac 300 of the airport.
    [0005] The system 1 for opening / closing the door comprises an electric box 100 for opening / closing the door 3. In the example shown, the housing 100 contains a pulley 101 for driving a cable 103 of operation of the door 3 of the aircraft.
    [0006] In the case of Figure 1A, the housing 100 is disposed in the cabin 2. The cable 103 is coupled to the door 3 through for example a return pulley 104, which is secured to the cabin 2. Under the effect of the traction exerted via the cable 103 by the pulley 101 when it rotates in a given direction, the door passes from the open position to the closed position.
    [0007] Conversely, when the pulley 101 rotates in the other direction, the door moves from the open position to the closed position. In the case of Figure 1 B, the housing 100 is disposed in the door 3. The cable 103 is then coupled to the cabin 2. Under the effect of the traction exerted via the cable 103 by the pulley 101 when it rotates in a given direction, the door moves from the open position to the closed position. Conversely, when the pulley 101 rotates in the opposite direction, the door moves from the closed position to the open position. In the embodiments described above, the mechanical coupling between the door 3 and the electrical box 100 is made by a pulley 101 and a cable 103. However, it is of course possible to envisage other embodiments for coupling the movement. mechanical rotation of the door 3 to the control box 100. Referring to the functional diagram of Figure 1C, regardless of the architecture of the system, ie whether it is integrated with the cabin 2 as shown in Figure 1A or it is integrated in the door 3 as shown in Figure 1B, the pulley 101 is moved by a motorized mechanism 102. The mechanism 102 is controlled by a control unit 105. The unit 105 is associated with a unit 106 of current monitoring in the motorized mechanism 102. On control of the operator, the control unit 105 controls the motorized mechanism 102 which drives the pulley 101 for winding / unrolling the cable 103. The winding of the cable 103 entered the closing of the door. Conversely, the unwinding of the cable causes the door to open.
    [0008] 303 10 81 4 In the closing phase of the door, the power consumption in the motorized mechanism 102 reflects the torque that must be generated to close the door. If a given current threshold is exceeded, the monitoring unit 106 generates an abnormal load detection signal on the gate, which is transmitted to the control unit 105. In response to this detection signal, the control unit stops closing the door, and possibly it can control its reopening, via the commands it applies to the motorized mechanism 102. However, the value of the load to be detected is low compared to the mass of the door to move. In addition, it is low compared to the equivalent effort that wind, for example, can generate on the door. Finally, the mass of the door can be different from one aircraft to another, even identical brands and models, depending for example on the options chosen. In other words, many factors can affect the value of the current in the motorized mechanism 102, regardless of the presence or not of a load on the door 3. These factors go from the state of the system itself (mechanical friction) the meteorological conditions (wind, temperature) passing through the supply network voltage (in principle equal to 28 volts in an aircraft, but subject to inevitable variations, in particular according to the conditions of use). All these reasons can lead to false alarms or, conversely, to the non-detection of the presence of people or objects on the door, according to the system settings. Moreover, not only is the definition of the initial parameters difficult, but in addition the inevitable drifts over time can generate significant false alarm rates. SUMMARY OF THE INVENTION The invention aims to eliminate, or at least mitigate, all or part of the disadvantages of the aforementioned prior art. For this purpose, a first aspect of the invention proposes to do not a physical measurement but a direct observation of the staircase of the door, either by electromagnetic means, for example optical in the visible range and / or in the infra-red field, either by acoustic means, for example ultrasonic.
    [0009] Thus, a first aspect of the invention relates to a device for controlling a moving tilting aircraft door about an axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism and having a integrated boarding stairs. The device comprises: at least one sensor adapted to capture electromagnetic or ultrasonic radiation; a detection unit configured to detect a presence on the staircase by reacting to the captured electromagnetic or ultrasonic radiation, to deduce whether a detection condition is fulfilled or not; and a driving unit of the motorized mechanism, configured to control the closing of the door in response to a closing command except in the event of detection of presence on the staircase by the detection device. Presence detection on the staircase can be performed before triggering the closing of the door, and / or during this closing. Thus, even if a passenger climbs the stairs while closing the door is triggered, the device can react by preventing further closing of the door. According to embodiments of the device, taken alone or in combination, furthermore: the detection unit is configured to analyze captured electromagnetic or ultrasonic radiation with respect to predetermined signals; the sensor is an imager arranged to capture images of the staircase, and the detection unit comprises image analysis means configured to perform an analysis of an image captured by the imager; the image analysis means are configured to compare an image captured by the imager with a predetermined reference image; the reference image corresponds to an image of the staircase captured by the imager in the absence of any person or object on the staircase; the sensor is an ultrasonic transducer arranged to capture an ultrasonic wave reflected by a person or an object present on the staircase; and / or, 3031081 6 - elements of the detection unit are included in the sensor and / or in the control unit. A second aspect of the invention relates to a tilting aircraft door, movable about a tilting axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism, and having an integrated boarding stairway. , the door comprising a control device according to the first aspect. The staircase having steps and risers, the sensor of the control device is integrated in one of the risers at one end of the staircase, on the side of the tilt axis of the door, and pointing to the other end of the stairs, opposite to the swing axis of the door. According to embodiments of the door, taken separately or in combination, furthermore: - the door having an opening and a frame, the sensor of the control device is an imager integrated in an amount of the frame of the door, and the tip towards the staircase; the staircase having respectively associated steps and risers, the control device comprises one or more ultrasonic transducers respectively integrated in risers and each arranged to monitor one or more steps, for example the stair or steps immediately downstream in the staircase; in another example, the device comprises at least one ultrasonic transducer respectively integrated into each of the risers associated with the steps to be monitored; 25 and / or, - the stair having steps and at least one "French-style" loam, the detection unit comprises one or more ultrasonic transducers respectively integrated in the stringer and each arranged to monitor one or more steps, for example for example, the step (s) immediately downstream on the staircase; in another example, the device comprises at least one ultrasonic transducer respectively integrated in the silt at each of the steps to be monitored.
    [0010] A third aspect of the invention relates to a method of controlling a moving tilting aircraft door about a tilting axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism and having a integrated boarding ladder, the method comprising the capture of electromagnetic or ultrasonic radiation using at least one sensor; the detection of a presence on the staircase on the basis of the captured electromagnetic or ultrasonic radiation, to deduce whether a detection condition is fulfilled or not; and, - controlling the motorized mechanism for controlling the closing of the door in response to a closing command except in the event of detection of presence on the staircase. According to embodiments of the method, taken separately or in combination, in addition: the sensor being an imager arranged to capture images of the staircase, the presence detection on the staircase comprises the comparison of a image captured by the imager to a reference image; the reference image corresponds to a control image of the staircase captured by the imager in the absence of any person and object on the staircase; and / or, the sensor being an ultrasonic transducer, the presence detection on the staircase comprises the analysis of an ultrasonic wave reflected by a person or an object present on the staircase. Brief Description of the Drawings Other features and advantages of the invention will become apparent upon reading the following description. This is purely illustrative and should be read with reference to the accompanying drawings in which: FIGS. 1A and 1B, already analyzed, are diagrams showing the general architecture of an integrated aircraft door control system in the cabin of the aircraft or in the door, respectively; - Figure 1C, also already analyzed, is a functional diagram of the architecture of the control system according to the prior art; Figure 2 is a block diagram of the control system architecture according to embodiments; - Figure 3 is a diagram of a first embodiment; Figure 4 is a diagram of a second embodiment; and, Figure 5 is a diagram of a third embodiment. DETAILED DESCRIPTION OF EMBODIMENTS In the present description and in the figures of the drawings, the same elements bear the same references. The embodiments that will now be presented apply to a door opening / closing system 1 of an aircraft that can be integrated into the cabin 2 of the aircraft as described above with reference to FIG. 1A, or integrated in the door 3 of the aircraft as described above with reference to FIG. 1B. FIG. 2 is a block diagram showing the main control elements of the system 1 according to embodiments. Among these elements, the pulley 101, the motorized mechanism 102, the control unit 205 is substituted for the control unit 105 of FIG. 1C, and the detection unit 206 is substituted for the detection unit 106 of FIG. 1C, for example are integrated in the electrical box 100. Other integration schemes are of course conceivable. For example, the control unit 205 can be part of a functional unit incorporating other functions than that associated with the management of the opening / closing of the door, and can therefore be integrated elsewhere in the aircraft. . Furthermore, the detection, control and motorized mechanism functions can, according to the integration constraints, be grouped into one or more boxes. With respect to the architecture of a system according to the prior art described in introduction with reference to the functional diagram of FIG. 1C, the functional architecture of a system as proposed comprises a sensor function 400. Structural view, this sensor function is provided by a determined number of sensors, between 1 and N, where N is an integer strictly greater than unity. An information processing function provided by this sensor or by these sensors is included in the detection unit 206. The latter is configured to send corresponding alarm signals to the control unit 205. motorized mechanism 102 which drives the winding pulley 101 of the cable 103 is not different from that of the architectures of the prior art.
    [0011] FIG. 3 shows a first exemplary embodiment with a single sensor 401 which is an imager arranged to capture an image of the staircase. In the example shown, the imager 401 is arranged in the riser 331 the highest of the zone of the staircase 31 to be monitored, that is to say the riser closest to the axis 21 of tilting. In this configuration, the entire staircase 31 is monitored by the imager. But alternatively, the imager 401 can be arranged in another riser, downstream in the staircase 31, to monitor only the lower part of the staircase. As a further variant, more than one imager such as the imager 401, each respectively arranged in a riser of the staircase 31, can be provided. This then makes it possible to monitor respective parts of the staircase, each of which is the part of the staircase. directly downstream of the corresponding imager. The imager 401 operates for example in the visible or infra-red spectrum. It may be, for example, an imager in CMOS technology ("Complementary Metal-Oxide Semiconductor"), or CDD ("Charge Coupled Device 20"), or other. The detection unit comprises image analysis means configured to extract the detection signal from a presence on the door, either directly from the captured image by means of an algorithm of the type of a monitoring algorithm either by comparison of the captured image with a predetermined image, or by comparison of the image with a previously recorded control image in the absence of a person and object on the staircase. Such a control image can be acquired by the imager 401, for example during a preliminary learning phase, by which each start-up of the system can begin, for example just at the end of the opening phase of the system. the door. Alternatively, the imager 401 may also be attached to the cabin 2 of the aircraft. It may for example be integrated with the frame (frame) of the door, for example above the opening provided for the door 3. This may 3031081 10 allow a better viewing angle of the imager 401 on the stair 31 , being less bothered by the noses of steps that can hide an area of the walk directly downstream. Figure 4 shows a second embodiment, with only one acoustic sensor 501, for example arranged in the highest riser of the area of the staircase to be monitored. More particularly, the sensor 501 can be integrated in the riser at the end of the staircase 31 on the side of the pivot axis 21 of the door 3, and point towards the opposite end of the staircase said axis of tilting of the door.
    [0012] In this configuration, the entire staircase can be monitored by the sensor 501. The sensor is for example an ultrasonic transducer, the presence detection on the staircase by the detection unit 206 then comprising the analysis of an ultrasonic wave reflected by a person or object present on the staircase. The sensor 501 preferably has a fairly large detection range and the detection unit 206 can advantageously carry out a treatment not to take into account fixed echoes from the steps and ramps but also possible presence on the tarmac 300 to 20 close to the staircase 31 at the time of closing. It is also possible for the sensor 501 to be arranged in a riser associated with a lower step, ie further away from the tilting axis 21 of the door 3, in order to monitor only the lower part of the staircase 31. 5 shows a third embodiment with several acoustic sensors 503, 502, 503 and 504, at least one per monitor. This makes it possible to use very short range sensors, for example such as those used in automobile bumpers, and thus to overcome the problems of fixed echoes. If the staircase 31 is equipped with a "French" silt, the sensors can be integrated in this silt at 30 each of the steps to be monitored, respectively. Thus arranged, they make it possible to scan the step longitudinally, that is to say along the longitudinal axis of the step, which is orthogonal to the axis of rise / fall of the staircase 31.
    [0013] The invention also relates to a tilting aircraft door, mobile about a tilting axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism, and having an integrated boarding staircase, which comprises a control device 1 as described above. The present invention which has been described and illustrated in the present detailed description and in the Figures is not limited to the embodiments shown. Other variants and embodiments may be deduced and implemented by those skilled in the art upon reading the present description and the accompanying figures. For example, the distinction between the sensor (s), the detection unit and the control unit illustrated in Figure 3 may be a purely functional distinction. In particular, the elements (or elements) of the detection unit may be included in the sensor (s) or in the control unit, or may be distributed between the sensor (s). and the control unit, according to the specificities specific to each application of the invention. In the claims, the term "include" does not exclude other elements or other steps. The various features presented and / or claimed can be advantageously combined. Their presence in the description or in different dependent claims does not exclude this possibility. The reference signs can not be understood as limiting the scope of the invention.
    权利要求:
    Claims (16)
    [0001]
    REVENDICATIONS1. Device for controlling a moving tilting aircraft door about an axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism and having an integrated loading staircase, the device being characterized in that it comprises: at least one sensor adapted to capture electromagnetic or ultrasonic radiation; a detection unit configured to detect a presence on the staircase by reacting to the captured electromagnetic or ultrasonic radiation, to deduce whether a detection condition is fulfilled or not; and a driving unit of the motorized mechanism, configured to control the closing of the door in response to a closing command except in the event of detection of presence on the staircase by the detection device.
    [0002]
    The control device according to claim 1, wherein the detection unit is configured to analyze captured electromagnetic or ultrasonic radiation with respect to predetermined signals.
    [0003]
    A control device according to claim 1 or claim 2, wherein the sensor is an imager arranged to capture images of the stairway, and wherein the sensor unit comprises image analysis means configured to perform an analysis of an image captured by the imager.
    [0004]
    The control device of claim 3, wherein the image analyzing means is configured to compare an image captured by the imager with a predetermined reference image.
    [0005]
    5. Control device according to claim 4, wherein the reference image corresponds to an image of the stair captured by the imager in the absence of any person and object on the staircase.
    [0006]
    6. Control device according to claim 1 or claim 2, wherein the sensor is an ultrasonic transducer arranged to capture an ultrasonic wave reflected by a person or an object on the staircase.
    [0007]
    7. Control device according to any one of claims 1 to 6, wherein elements of the detection unit are included in the sensor and / or in the control unit.
    [0008]
    8. Tiltable aircraft door, mobile about a tilting axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism, and having an integrated boarding staircase, characterized in that it comprises a device control device according to one of claims 1 to 10 7.
    [0009]
    9. Aircraft door according to claim 8 wherein, the staircase having steps and risers, the sensor of the control device is integrated in one of the risers at one end of the staircase, the side of the tilting axis of the door, and 15 pointing to the other end of the staircase, opposite to the axis of tilting of the door.
    [0010]
    10. Aircraft door according to claim 8 having an opening and a frame, wherein the sensor of the control device is an imager integrated in a door jamb of the frame, and points to the staircase. 20
    [0011]
    11. Aircraft door according to claim 8 wherein, the staircase having respectively associated steps and risers, the control device comprises one or more ultrasonic transducers respectively integrated in risers and each arranged to monitor one or more steps. 25
    [0012]
    12. Aircraft door according to claim 8 wherein the staircase having steps and at least one "French" loam, the detection unit comprises one or more ultrasonic transducers respectively integrated in the silt and each arranged to monitor one or more steps.
    [0013]
    13. A method of controlling a moving tilting aircraft door about a tilting axis substantially parallel to the longitudinal axis of the aircraft via a motorized mechanism and having an integrated boarding staircase, the method being characterized in that what it comprises: 3031081 14 - the capture of an electromagnetic or ultrasonic radiation using at least one sensor; the detection of a presence on the staircase on the basis of the captured electromagnetic or ultrasonic radiation, to deduce whether a detection condition is fulfilled or not; and, - controlling the motorized mechanism for controlling the closing of the door in response to a closing command except in the event of detection of presence on the staircase.
    [0014]
    14. A control method according to claim 13 wherein, the sensor being an imager arranged to capture images of the staircase, the presence detection on the staircase comprises comparing an image captured by the imager with a reference image.
    [0015]
    15. The control method according to claim 14, wherein the reference image corresponds to a control image of the staircase captured by the imager in the absence of any person or object on the staircase.
    [0016]
    16. Control method according to claim 13 wherein, the sensor being an ultrasonic transducer, the presence detection on the staircase comprises the analysis of an ultrasonic wave reflected by a person or an object on the staircase. 20
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    同族专利:
    公开号 | 公开日
    US9932103B2|2018-04-03|
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    FR3031081B1|2018-06-29|
    引用文献:
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    法律状态:
    2015-11-23| PLFP| Fee payment|Year of fee payment: 2 |
    2016-07-01| PLSC| Publication of the preliminary search report|Effective date: 20160701 |
    2016-10-28| PLFP| Fee payment|Year of fee payment: 3 |
    2017-10-27| PLFP| Fee payment|Year of fee payment: 4 |
    2019-10-30| PLFP| Fee payment|Year of fee payment: 6 |
    2020-12-28| PLFP| Fee payment|Year of fee payment: 7 |
    2021-11-26| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1463514|2014-12-31|
    FR1463514A|FR3031081B1|2014-12-31|2014-12-31|METHOD AND CONTROL DEVICE FOR AIRCRAFT DOOR, AND AIRCRAFT DOOR INCORPORATING THE SAME|FR1463514A| FR3031081B1|2014-12-31|2014-12-31|METHOD AND CONTROL DEVICE FOR AIRCRAFT DOOR, AND AIRCRAFT DOOR INCORPORATING THE SAME|
    US14/982,804| US9932103B2|2014-12-31|2015-12-29|Control method and device for aircraft door and aircraft door incorporating same|
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