WO2016084291A1 - 車両用開閉部材の制御装置及び制御方法 - Google Patents
車両用開閉部材の制御装置及び制御方法 Download PDFInfo
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- WO2016084291A1 WO2016084291A1 PCT/JP2015/004879 JP2015004879W WO2016084291A1 WO 2016084291 A1 WO2016084291 A1 WO 2016084291A1 JP 2015004879 W JP2015004879 W JP 2015004879W WO 2016084291 A1 WO2016084291 A1 WO 2016084291A1
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- drive motor
- control unit
- switch
- control
- signal
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- 238000000034 method Methods 0.000 title description 26
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 17
- 239000005357 flat glass Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/655—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings specially adapted for vehicle wings
- E05F15/659—Control circuits therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/695—Control circuits therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
- H02P7/05—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors by means of electronic switching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/08—Windows; Windscreens; Accessories therefor arranged at vehicle sides
- B60J1/10—Windows; Windscreens; Accessories therefor arranged at vehicle sides fixedly mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/02—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes
- B60J7/04—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of sliding type, e.g. comprising guide shoes with rigid plate-like element or elements, e.g. open roofs with harmonica-type folding rigid panels
- B60J7/057—Driving or actuating arrangements e.g. manually operated levers or knobs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
Definitions
- the present invention relates to a control device and control method for a vehicle opening / closing member.
- Patent Document 1 A technique is known in which an open / close member such as a roof of a vehicle is electrically opened and closed by driving a motor (see Patent Document 1).
- the control technique of Patent Document 1 is to open and close the roof by driving the front and rear portions of the roof separately.
- the rotation direction of the drive motor is controlled by switching on / off of a relay connected to the drive motor for driving the roof, and the opening / closing direction of the roof is controlled.
- an object of the present invention is to provide a control device and a control method for a vehicle opening / closing member that realizes fail-safe against the fixing of a switching unit that switches the rotation of the drive motor of the vehicle opening / closing member. .
- the opening / closing member provided in the vehicle is driven to close by rotating in the first direction, and the opening / closing member is driven to open by rotating in the second direction opposite to the first direction.
- a control unit that controls the start operation of the drive motor and the direction of rotation of the drive motor by outputting a control signal for switching the connection of the switching unit, and outputs a signal indicating the direction of rotation of the drive motor to the control unit
- a control unit that determines whether the switching unit is fixed based on a signal from the detection unit, and when the control unit determines that there is a fixing, the control unit stops the drive motor and
- a control device for a vehicle opening / closing member that outputs a control signal for switching the connection of the switching unit so as to maintain the above.
- the control device and control method for a vehicle opening / closing member can realize fail-safe against the sticking of the switching unit that switches the rotation of the drive motor of the vehicle opening / closing member.
- FIG. 3 is a timing chart showing a relationship such as ON / OFF of a transistor according to the first embodiment.
- FIG. 3 is a timing chart showing a relationship such as ON / OFF of a transistor according to the first embodiment.
- FIG. 3 is a timing chart showing a relationship such as ON / OFF of a transistor according to the first embodiment.
- FIG. 3 is a timing chart showing a relationship such as ON / OFF of a transistor according to the first embodiment.
- FIG. 6 is a timing diagram illustrating a relationship such as ON / OFF of a transistor according to a second embodiment. It is a control flowchart of the opening-and-closing member for vehicles concerning the modification of a 2nd embodiment.
- FIG. 1A is a schematic configuration diagram of a power sunroof unit 100.
- FIG. 1B is a schematic configuration diagram of the power window unit 106.
- FIG. 1A shows a power sunroof unit 100 including a roof panel 102a and a shade panel 102b as an example of a vehicle opening / closing member, and a control device 200 for the vehicle opening / closing member.
- the roof panel 102 a opens and closes the opening 103 formed in the vehicle roof 101
- the shade panel 102 b is disposed below the roof panel 102 a and adjusts the amount of light entering from the opening 103.
- the roof panel 102 a and the shade panel 102 b are movably supported by a guide plate 104 installed along the inner edge of the opening 103.
- the user can electrically open and close the roof panel 102a and the shade panel 102b by operating the open / close switch 110 installed at a desired position in the vehicle.
- a signal instructing opening or closing drive of the roof panel 102 a and the shade panel 102 b is output from the open / close switch 110 to the control device 200.
- the control device 200 rotates the drive motor 209 to move the roof panel 102a and the shade panel 102b in the front-rear direction of the vehicle along the guide plate 104 via gears and a belt (not shown).
- the user can drive the roof panel 102a and the shade panel 102b independently of each other.
- FIG. 1B shows a power window unit 106 including a window glass 102c as an example of a vehicle opening / closing member and a control device 200 for the vehicle opening / closing member.
- One end of the window glass 102 c is fixed to the lifting mechanism 109, and the window glass 102 c opens and closes the opening 108 formed in the door frame 107 according to the movement of the lifting mechanism 109.
- the user can electrically open and close the window glass 102c by operating the open / close switch 110. That is, a signal instructing opening or closing of the window glass 102 c is output from the open / close switch 110 to the control device 200.
- the control device 200 controls the drive motor 209, and the drive motor 209 moves the window glass 102c in the vertical direction of the vehicle via the lifting mechanism 109.
- the roof panel 102a is assumed as an example of a vehicle opening / closing member, and the relays 206 to 208 are assumed as examples of a switching unit.
- the vehicle opening / closing member may be the shade panel 102b or the window glass 102c, or may be another opening / closing member (for example, a bonnet or a fuel filler door) installed in the vehicle.
- FIG. 2 is a functional block diagram of the control device 200 for a vehicle opening / closing member.
- the control device 200 includes a control unit 201, an input circuit 202, a power supply circuit 203, an output circuit 204, a drive circuit 205, and a pulse sensor 210.
- the control device 200 is a device that controls a drive motor 209 that opens and closes the roof panel 102a.
- the control device 200 may further include hardware elements such as an oscillator that provides a clock frequency and a counter circuit.
- the control unit 201 includes a CPU (Central Processing Unit) 201a, a memory 201b, and the like. In cooperation with the CPU 201a and the memory 201b, the control unit 201 processes an input signal and controls a drive of the vehicle opening / closing member. It has a function.
- the CPU 201a performs arithmetic processing for realizing a predetermined function
- the memory 201b includes a ROM (Read Only Memory) for storing a program, a RAM (Random Access Memory) for temporary storage, and the like.
- the function of the control unit 201 may be stored in the memory 201b as a software program executed by the CPU 201a, or may be implemented in the control unit 201 as a hardware element.
- the input circuit 202 includes an A / D converter, an amplifier, and the like, and converts signals from the open / close switch 110, the ignition (IG) switch 113, and the pulse sensor 210 into digital signals that can be processed by the control unit 201.
- the power supply circuit 203 includes a DC-DC converter or the like, and converts the battery voltage (V B ) of the vehicle battery power supply + B into a voltage usable by the control unit 201.
- the output circuit 204 includes a D / A converter, an amplifier, and the like, and converts a control signal from the control unit 201 into a signal that can be used by the warning device 112.
- the warning device 112 is installed at a desired location in the vehicle, and gives a warning to the user by generating light or sound or displaying a warning content in accordance with a control signal from the control unit 201.
- the IG switch 113 outputs a signal indicating start / stop of the vehicle engine (or power supply) to the control unit 201, and the control unit 201 starts / stops the vehicle engine (or power supply) based on the signal. The stop can be recognized.
- the drive circuit 205 includes relays (switching units) 206 and 207 and transistors 206d and 207d.
- the terminal 206b of the relay 206 is connected to the battery power source + B, the terminal 206c is connected to the ground GND, and the terminal 206a is connected to the drive motor 209.
- a terminal 207a of the relay 207 is connected to the drive motor 209, a terminal 207b is connected to the battery power source + B, and a terminal 207c is connected to the ground GND.
- the drive circuit 205 may include other elements such as a resistor and a capacitor as necessary.
- the transistors 206d and 207d function as a switch and an amplifying element for switching the relays 206 and 207 by a control signal output from the control unit 201.
- the transistors 206d and 207d can be composed of bipolar transistors, FETs (Field Effect Transistors), or the like.
- the control unit 201 switches ON / OFF by changing the voltage of the base terminals of the transistors 206d and 207d. Accordingly, the control unit 201 can control the current flowing through the solenoids of the relays 206 and 207 and switch the connection destination of the relays 206 and 207.
- the terminal 206a of the relay 206 and the terminal 207a of the relay 207 are connected to the ground GND.
- the control unit 201 turns on the transistor 206d to connect the terminal 206a of the relay 206 to the battery power source + B (connection between the terminals 206b and 206a), and turns off the transistor 206d to turn off the transistor 206d.
- the terminal 206a is connected to the ground GND (connection between the terminals 206c and 206a).
- control unit 201 turns on the transistor 207d to connect the terminal 207a of the relay 207 to the battery power source + B (connection between the terminals 207b and 207a), and turns off the transistor 207d to turn off the terminal 207a of the relay 207. Is connected to the ground GND (connection between terminals 207a and 207c).
- the switching terminal of each relay is connected to the battery power source + B when ON, and is connected to the ground GND when OFF.
- the control unit 201 can connect the relay 206 to the battery power source + B and connect the relay 207 to the ground GND, thereby causing the drive motor 209 to “forward” and the roof panel 102 a to be “closed”.
- the control unit 201 can “invert” the drive motor 209 and “open drive” the roof panel 102a by connecting the relay 206 to the ground GND and connecting the relay 207 to the battery power source + B.
- the control unit 201 can “stop” the rotation of the drive motor 209 and “stop” the roof panel 102a by connecting both the relay 206 and the relay 207 to the battery power source + B or the ground GND.
- control unit 201 controls the voltage supplied to the drive motor 209 from the vehicle battery power source + B, thereby starting and stopping the rotation of the drive motor 209 and the direction of rotation (forward and reverse). Can be controlled.
- the drive motor 209 may be configured to “open drive” during “forward rotation” and “close drive” during “reverse”.
- Table 1 shows the relationship between ON / OFF of the transistors 206d and 207d, normal rotation, inversion and stop of the drive motor 209, and the driving direction of the roof panel 102a. As described above, these relationships are not limited to the configurations shown in Table 1, and can be changed as appropriate. In the following description, the transistors 206d and 207d, the drive motor 209, and the roof panel 102a operate based on Table 1. Shall.
- the pulse sensor 210 includes a Hall element as a detection unit for detecting the rotation of the drive motor 209, and outputs a pulse signal corresponding to the rotation of the drive motor 209 to the control unit 201.
- the control unit 201 can determine the rotation state (normal rotation, reverse rotation, or stop) of the drive motor 209 based on the number of pulses of the pulse signal from the pulse sensor 210, the pulse duration, the pulse cycle, and the like. Further, the control unit 201 can determine the opening amount of the roof panel 102a by counting the number of pulses of the pulse signal from the pulse sensor 210.
- Control method for vehicle opening / closing member> A control method by the vehicle opening / closing member control apparatus according to the present embodiment will be described.
- the control device according to the present embodiment detects the pinching and outputs a signal for stopping the open drive or the close drive, and then monitors whether the relay is stuck, and if there is the stick, the operation of the vehicle opening / closing member Is output and a signal is output so as to maintain the stopped state.
- the relationship between relay ON / OFF and the like is based on Table 1.
- the present invention can be similarly applied by appropriately replacing the explanation of
- FIG. 3 is a control flowchart after the pinch detection of the roof panel 102a as an example of the vehicle opening / closing member by the vehicle opening / closing member control device 200 during the closing drive.
- the vehicular opening / closing member is driven to close.
- the control unit 201 detects that an object is caught in the vehicle opening / closing member, the control flow of FIG. 3 is executed.
- the pinching can be detected based on a change in the rotational speed of the drive motor 209 that can be calculated by a pulse signal or the like output from the pulse sensor 210 to the control unit 201. For example, it can be determined that pinching has occurred when the amount of change in the rotational speed exceeds a predetermined value while the roof panel 102a is being opened or closed. Further, pinching determination may be performed based on the magnitude of the load applied to the drive motor 209, or pinching may be detected by a sensor or the like.
- step S301 the control unit 201 of the control device 200 outputs a voltage signal for stopping the driving of the drive motor 209 to the control terminal (base terminal) of the transistor 206d.
- This signal is a signal for switching the drive motor 209 from normal rotation to stop by turning off the transistor 206d and switching the relay 206 from ON to OFF.
- a signal transmitted from the control unit 201 to turn on the relay is referred to as an ON signal
- a signal transmitted from the control unit 201 to turn off the relay is referred to as an OFF signal.
- step S302 the control unit 201 starts monitoring the pulse signal input from the pulse sensor 210 in order to detect the fixation of the relays 206 and 207.
- the control unit 201 acquires the duration of the pulse signal after the output of the OFF signal in step S301 and uses it for control.
- the signal from the pulse sensor 210 may be monitored at a timing other than step S302.
- a signal indicating the start of the vehicle engine from the IG switch 113 may be used as a trigger, or a signal from the open / close switch 110 that instructs to open the roof panel 102a may be used as a trigger.
- step S303 the control unit 201 counts the duration of the signal input from the pulse sensor 210, and determines whether or not the value is equal to or greater than a predetermined value.
- the drive circuit 205 outputs the relay 206 OFF signal, but the closed drive of the roof panel 102a cannot be stopped within the specified time. It is in.
- the control unit 201 determines that the relay 206 is fixed in the ON state, and proceeds to step S304. If the duration is less than the specified value (No in S303), it is determined that the closing drive of the roof panel 102a is stopped, but the presence or absence of sticking is unknown. In this case, the process proceeds to step S305.
- the reason why the pulse duration is set as the monitoring condition of the signal input from the pulse sensor 210 is that when the driving of the roof panel 102a is stopped due to the load generated by the object being caught, it is erroneously determined that there is no sticking. This is to reduce the possibility of being performed.
- the relay 206 is not fixed, the driving current does not flow to the driving motor 209 when the relay 206 is turned off, and the closing driving of the roof panel 102a is stopped in a short time. Therefore, when it takes a long time to stop the roof panel 102a, it is estimated that the relay is stuck.
- the specified value used for the determination in step S303 is preferably set to a value between the stop time required when there is no sticking and the stop time required when there is sticking. The stopping time when there is sticking becomes longer as the sandwiched object becomes softer, so it is possible to set the specified value so that false detection is least likely to occur after assuming an object that may be sandwiched in advance. More desirable.
- step S304 the control unit 201 of the control device 200 continues to output an ON signal to the control terminal (base terminal) of the transistor 207d so as to maintain the ON state of the relay 207.
- both the relays 206 and 207 are turned on, and the control flow ends with the drive motor 209 maintaining a stopped state. Since the relay 206 is fixed and cannot be turned OFF, the relay 207 needs to remain ON after the flow is completed. However, when the completion of repair such as replacement of the relay 206, confirmation of the elimination of pinching, etc. are performed and the user clearly indicates that the roof panel 102a may be driven to close, the control unit 201 turns off the relay 207. Functions that can be made may be added.
- step S305 the control unit 201 of the control device 200 outputs an OFF signal to the transistor 206d and an ON signal to the transistor 207d.
- the drive motor 209 is in a reverse state.
- step S306 the control unit 201 determines whether or not a pulse signal is input from the pulse sensor 210 within a specified time.
- the pulse signal is input within the specified time (Yes in S306), it is determined that the roof panel 102a is driven to eliminate the jamming and there is no sticking, and this control flow ends.
- the control unit 201 determines that the relay 206 is fixed in the ON state, and proceeds to step S304.
- the processing in step S304 is the same as that described above.
- FIG. 6 is a timing chart showing the rotation direction of the drive motor 209. Note that each transistor is turned on when the operation timing shown in (a) and (b) is at a high level, and each transistor is turned off when the operation timing is at a low level. Further, (c) shows a state in which a forward rotation pulse is output in the case of + Vp and an inversion pulse is output in the case of -Vp, and a pulse is not output in the case of 0, indicating a stop. And
- the operation timings of FIGS. 4A, 4B, and 4C will be described in order, but overlapping description of steps in which similar processing is performed throughout the drawings will be omitted.
- FIG. 4A is a control timing chart in a normal state in which the relay 206 is not fixed.
- control according to the timing diagram of FIG. 4A is performed.
- the control unit 201 transmits an ON signal to the transistor 206d.
- the relay 206 is turned on and the relay 207 is turned off, the drive motor 209 rotates forward, and the closing drive of the roof panel 102a is started.
- a signal (+ Vp) indicating normal rotation of the drive motor 209 is input from the pulse sensor 210 to the control unit 201.
- step S301 the control unit 201 transmits an OFF signal to the transistor 206d.
- the relay 206 is turned off, the drive motor 209 is stopped, and the roof panel 102a is also stopped.
- a signal input from the pulse sensor 210 to the control unit 201 indicates that the drive motor 209 is stopped.
- step S302 the control unit 201 starts monitoring the signal from the pulse sensor 210.
- step S303 the control unit 201 determines whether or not the duration of the signal from the pulse sensor 210 is equal to or greater than a specified value. In the timing chart of FIG. 4A, since the drive motor 209 is stopped immediately after the output of the OFF signal, it is determined in step S303 that the duration is not more than the specified value (determined No in S303), and the process proceeds to step S305.
- step S305 control in step S305 is performed. That is, the control unit 201 transmits an ON signal to the transistor 207d, the relay 206 is turned off, the relay 207 is turned on, and the drive motor 209 is reversed. Thereby, the opening drive of the roof panel 102a is started, and the object sandwiched between the roof panels 102a is released. At this time, a signal ( ⁇ Vp) indicating inversion of the drive motor 209 is input from the pulse sensor 210 to the control unit 201. In the case of the timing diagram of FIG.
- FIG. 4B is an example of a control timing chart in an abnormal state where the relay 206 is stuck. This timing diagram assumes a case where the object sandwiched between the roof panels 102a is a soft object and the closing drive of the roof panel 102a is not stopped by the sandwiching itself. In the flowchart of FIG. 3, when it is determined YES in step S303, control according to the timing diagram of FIG. 4B is performed.
- step S303 the control unit 201 determines that the duration of the signal from the pulse sensor 210 is equal to or longer than the specified value (determined as Yes in S303), and proceeds to step S304.
- step S305 control in step S305 is performed. That is, the control unit 201 transmits an ON signal to the transistor 207d, and the relay 207 is turned on. Since the relay 206 remains on, the drive motor 209 stops. Thereafter, when the transistor 207d returns to OFF, the drive motor 209 rotates in the normal direction again, so that the control unit 201 continues to transmit an ON signal to the transistor 207d so that the relay 207 continues to be in the ON state. In this flow, it is determined that the relay 206 is stuck.
- FIG. 4C is another example of a control timing diagram in an abnormal state where the relay 206 is stuck.
- This timing diagram assumes a case where the object sandwiched between the roof panels 102a is a hard object and the closing drive of the roof panel 102a is stopped by the sandwiching itself.
- control according to the timing diagram of FIG. 4C is performed.
- the control unit 201 transmits an OFF signal to the transistor 206d.
- the relay 206 is fixed in the ON state, the relay 206 is not turned off.
- the control unit 201 determines that the duration of the signal from the pulse sensor 210 is equal to or less than the specified value (determined No in S303), and proceeds to step S305.
- the roof panel 102a does not move, but since current is supplied to the drive motor 209, a load is continuously applied to the sandwiched object.
- step S305 control in step S305 is performed. That is, the control unit 201 transmits an ON signal to the transistor 207d. Although the relay 207 is turned on, the drive motor 209 maintains the stopped state because the relay 206 remains fixed on. Therefore, the signal input from the pulse sensor 210 to the control unit 201 does not change. Therefore, it is determined that the pulse is not input to the control unit 201 within the specified time (determined No in S306), and the process proceeds to step S304. The subsequent steps are the same as in FIG. 4B. By this control, the state in which the roof panel 102a is stopped is not different from the sandwiched state before time t3, but it can be solved that the load is continuously applied from the drive motor to the sandwiched object. In this flow, it is determined that the relay 206 is stuck.
- step S303 the control unit 201 determines whether or not the relay 206 is fixed to ON when the jamming occurs, and can stop the closing drive of the roof panel 102a even if the relay 206 is fixed.
- steps S305 and S306 the possibility of erroneous detection that there is no sticking when the closed drive is stopped while a hard object is sandwiched is reduced.
- the sticking determination method is not limited to the combination of S303, S305, and S306 shown in FIG. Either step S303 or step S306 may be omitted, or another step may be added.
- the determination method of the sticking the operation control of the roof panel 102a by the pinching detection has been described.
- the method for determining sticking is not limited to the operation of the roof panel 102a by detecting pinching. For example, when the user wants to control the operation of the roof panel 102a at an arbitrary position, step S305 and step S306 may be omitted.
- step S303 if the control unit 201 determines that the duration of the signal from the pulse sensor 210 is less than a specified value (determined No in step 303), it does not take into account the pinching of a hard object. It can be determined that the closing operation of the roof panel 102a has stopped. On the other hand, if the control unit 201 determines in step S303 that the duration of the signal from the pulse sensor 210 is equal to or longer than the specified value (Yes in step S303), it is determined that the roof panel 102a is closed. The operation will continue. In this case, it is necessary to stop the closing operation of the roof panel 102a (step S304). For this reason, it is not necessary to perform Step S305 and Step S306 for preventing erroneous detection without sticking when a hard object is sandwiched.
- a specified value determined No in step 303
- the control unit 201 can determine the presence or absence of sticking. Using this determination result, a step of giving a warning to the user when it is determined that sticking has occurred may be added. In this additional step, the control unit 201 outputs a control signal to the warning device 112. In response to the control signal, the warning device 112 gives a warning to the user by generating light or sound or displaying a warning content. For example, the warning device 112 may warn the user that the roof panel 102a does not operate, or may warn the user to replace or repair parts. This warning may be performed by playing a voice in the vehicle or may be displayed on a screen of a navigation device installed in the vehicle. Further, when the relay is fixed, the control unit 201 may not accept a signal from the opening / closing switch 110 and do not open / close the roof panel 102a even if the user operates the opening / closing switch 110.
- the control unit 201 may acquire position information of the roof panel 102a based on the output of the pulse sensor 210, and use this position information for control.
- This position information may be binary data indicating whether the roof panel 102a is in an open state or a closed state, or may be multi-value data in which the opening width of the roof panel 102a is quantified. .
- the control unit 201 may determine whether to execute this control flow based on the position information of the roof panel 102a. For example, this control flow may be executed only when the roof panel 102a is nearly fully closed. This is because if this control flow is executed while the roof panel 102a is wide open, the roof panel 102a may be fixed in the open state, which may impair user convenience. If the control unit 201 detects the possibility of pinching when the roof panel 102a is wide open, the stop state may be held for a certain period of time, and then the relay 207 may be turned off to perform the closing drive again. . By doing so, the roof can be fully closed while pinching is suppressed.
- FIG. 5 is a functional block diagram of a control device 500 for a vehicle opening / closing member.
- the control device 500 includes a control unit 201, an input circuit 202, a power supply circuit 203, an output circuit 204, a drive circuit 501, and a pulse sensor 210.
- the configurations of the control unit 201, the input circuit 202, the power supply circuit 203, and the output circuit 204 are substantially the same as those in the first embodiment, and a description thereof is omitted.
- the control device 500 may further include hardware elements such as a power cutoff circuit, an oscillator that provides a clock frequency, and a counter circuit.
- the drive circuit 501 includes relays 206 to 208 and transistors 206d to 208d. That is, the drive circuit 501 of this embodiment is different from the drive circuit 205 according to the first embodiment in that it further includes an emergency relay 208 and a transistor 208d.
- the terminal 206b of the relay 206 is connected to the battery power source + B, the terminal 206c is connected to the ground GND, and the terminal 206a is connected to the terminal 208b of the relay 208.
- the terminal 208b of the relay 208 is connected to the terminal 206a of the relay 206, the terminal 208c is connected to the ground GND, and the terminal 208a is connected to the drive motor 209.
- the terminal 207a of the relay 207 is connected to the drive motor 209, the terminal 207b is connected to the battery power source + B, and the terminal 207c is connected to the ground GND.
- the drive circuit 501 may include other elements such as a resistor and a capacitor as necessary.
- the control unit 201 controls the current flowing through the solenoids of the relays 206 to 208 by switching the transistors 206d to 208d on and off, and switches the connection destination of the relays 206 to 208.
- the terminal 208a of the relay 208 is connected to the ground GND when the transistor 208d is ON, and is connected to the relay 206 when the transistor 208d is OFF.
- the control unit 201 turns off the transistor 208d to connect the terminal 208a of the relay 208 to the relay 206 (connection between the terminals 208b and 208a), and turns on the transistor 208d to turn the relay 208 to the ground GND. Connect (connection between terminals 208c and 208a).
- the control of the relays 206 and 207 is the same as that in the first embodiment, and a description thereof is omitted.
- the control unit 201 connects the relay 206 to the battery power source + B, connects the relay 208 to the relay 206, and connects the relay 207 to the ground GND, thereby causing the drive motor 209 to rotate forward and the roof panel 102a. Can be driven closed.
- the control unit 201 can reverse the drive motor 209 and open the roof panel 102a by connecting the relay 207 to the battery power source + B and connecting the relay 208 to the ground GND.
- the control unit 201 connects the relay 207 to the battery power source + B, connects the relay 208 to the relay 206, and connects the relay 206 to the ground GND, thereby inverting the drive motor 209 and opening the roof panel 102a. can do.
- control unit 201 can stop the rotation of the drive motor 209 and stop the roof panel 102a by connecting both the relay 206 and the relay 207 to the battery power source + B or the ground GND. Further, the control unit 201 can stop the rotation of the drive motor 209 and stop the roof panel 102a by connecting both the relay 207 and the relay 208 to the ground GND. In this way, the control unit 201 controls the voltage supplied to the drive motor 209 from the vehicle battery power source + B, thereby starting and stopping the rotation of the drive motor 209 and the direction of rotation (forward and reverse). Can be controlled.
- Table 2 shows a relationship between ON / OFF of the transistors 206d to 208d and normal rotation, reverse rotation, and stop of the drive motor 209.
- FIG. 6 is a control flowchart of the roof panel 102a as a vehicle opening / closing member by the vehicle opening / closing member control device 200. Steps S301 and S302 are the same as those in the first embodiment, and a description thereof will be omitted.
- step S601 the control unit 201 determines whether or not the relay 206 is fixed.
- the determination of fixation may be performed by the same procedure as steps S303, S305, and S306 of the first embodiment, may be performed only by step S303, or may be performed by other methods. If there is sticking, the process proceeds to step S602. If there is no sticking, the process proceeds to step S603.
- step S601 If it is determined in step S601 that the relay 206 is stuck, the control unit 201 outputs an ON signal to the emergency relay 208 in step S602. As a result, the relay 206 is fixed ON, the relay 207 is OFF, and the relay 208 is ON, so the drive motor 209 stops. Thereafter, the process proceeds to step S603.
- step S603 the control unit 201 outputs an ON signal to the transistor 207d.
- the relay 206 is fixed ON, the relay 207 is turned ON, and the relay 208 is turned ON, so that the drive motor 209 is reversed, and the object is not caught by the roof panel 102a.
- FIG. 7 shows (a) ON / OFF of the transistor 206d, (b) ON / OFF of the transistor 207d, (b) ON / OFF of the transistor 208d, (d) signal voltage (+ Vp, ⁇ Vp) from the pulse sensor 210. And (e) is a timing chart showing the rotation direction of the drive motor 209. In the flowchart of FIG. 6, when it is determined YES in step S601, control according to the timing diagram of FIG. 7 is performed.
- the control unit 201 transmits an ON signal to the transistor 206d and transmits an OFF signal to the transistor 208d.
- the relay 206 is turned on and the relay 208 is turned off, the drive motor 209 rotates forward, and the closing drive of the roof panel 102a is started.
- a signal (+ Vp) indicating normal rotation of the drive motor 209 is input from the pulse sensor 210 to the control unit 201.
- step S602 control in step S602 is performed. That is, the control unit 201 outputs an ON signal to the transistor 208d, and the drive motor 209 stops. Thereafter, at time t4, the control unit 201 transmits an ON signal to the transistor 207d, and the drive motor 209 is reversed.
- the reverse driving similar to the normal operation can be performed. Accordingly, when the object is caught while the relay is fixed, not only the vehicle opening / closing member can be stopped, but also the load applied to the object by the reverse drive can be released.
- FIG. 8 is a flowchart according to a modification of the second embodiment.
- step S604 for outputting the ON signal to the transistor 207d is provided before step S602 for outputting the ON signal to the relay 208.
- step S604 since the relay 206 is fixed to ON, the relay 207 is turned ON, and the relay 208 is turned OFF, the drive motor 209 is stopped. Thereafter, in step S ⁇ b> 602, the control unit 201 outputs an ON signal to the relay 208.
- the relay 206 is fixed ON, the relay 207 is turned ON, and the relay 208 is turned ON, so that the drive motor 209 is reversed, and the object is not caught by the roof panel 102a. Therefore, the same control as in the flowchart of FIG. 6 is also realized in this modification.
- the relay 208 may be used as an alternative circuit of the relay 206 in the circuit of FIG.
- the control unit 201 outputs a signal to the relay 208 so as to perform an operation opposite to that of the relay 206.
- Table 3 shows the relationship between ON / OFF of the transistors 206d to 208d during normal operation and normal rotation, inversion, and stop of the drive motor 209.
- PWM Pulse Width Modulation
- a switching element switch
- a control device for a vehicle opening / closing member may be configured using FETs instead of the relays 206 to 208.
- the control unit 201 may be configured to output a control signal based on PWM control to the FET provided as the switching unit.
- 102 Opening / closing member for vehicle
- 110 Opening / closing switch
- 112 Warning device
- 113 IG switch
- 200 Control device for opening / closing member for vehicle
- 201 Control unit
- 202 Input circuit
- 203 Power supply circuit
- 204 Output Circuit:
- 205 Drive circuit
- 206 Relay (switching unit);
- 207 Relay (switching unit);
- 208 Relay (switching unit); 209: Drive motor;
- 210 Detection unit (pulse sensor) of the rotation direction of the drive motor
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- Control Of Direct Current Motors (AREA)
Abstract
Description
図1Aは、パワーサンルーフユニット100の概略構成図である。図1Bは、パワーウィンドウユニット106の概略構成図である。
図2は、車両用開閉部材の制御装置200の機能ブロック図である。図2に示すように、制御装置200は、制御部201、入力回路202、電源回路203、出力回路204、駆動回路205及びパルスセンサ210を備える。制御装置200は、ルーフパネル102aを開閉駆動する駆動モータ209を制御する装置である。なお、制御装置200は、クロック周波数を提供する発振器や、カウンタ回路等のハードウェア素子をさらに備えていてもよい。
制御部201は、トランジスタ206d、207dのベース端子の電圧を変化されることにより、ON/OFFを切り替える。これにより、制御部201は、リレー206、207のソレノイドに流れる電流を制御し、リレー206、207の接続先を切り替えることができる。トランジスタ206d、207dがOFFのとき、リレー206の端子206a及びリレー207の端子207aは、グラウンドGNDに接続される。各トランジスタ206d、207dがONになると、リレー206、207のソレノイドに流れる電流が変化し、端子206a、207aがバッテリ電源+Bに接続される。換言すれば、制御部201は、トランジスタ206dをONすることで、リレー206の端子206aをバッテリ電源+Bに接続し(端子206bと206aとの接続)、トランジスタ206dをOFFすることで、リレー206の端子206aをグラウンドGNDに接続する(端子206cと206aとの接続)。また、制御部201は、トランジスタ207dをONすることで、リレー207の端子207aをバッテリ電源+Bに接続し(端子207bと207aとの接続)、トランジスタ207dをOFFすることで、リレー207の端子207aをグラウンドGNDに接続する(端子207aと207cとの接続)。上述のように、本明細書において各リレーの切替端子はONのときにバッテリ電源+Bに接続され、OFFのときにグラウンドGNDに接続されるものとする。
本実施形態に係る車両用開閉部材の制御装置による制御方法について説明する。本実施形態に係る制御装置は、挟み込みを検出して開駆動又は閉駆動を停止させる信号を出力した後に、リレーの固着の有無を監視し、該固着がある場合には車両用開閉部材の動作を停止させ、かつ停止状態を維持させるように信号を出力する。以下の説明では車両用開閉部材の閉駆動時に物体が挟み込まれた場合を想定するが、開駆動時に挟み込み等が生じた場合であっても、表1に基づいてリレーのON/OFF等の関係についての説明を適宜読み替えることにより、本発明は同様に適用可能である。
本発明の第2実施形態に係る車両用開閉部材の制御装置及び制御方法について説明する。
図5は、車両用開閉部材の制御装置500の機能ブロック図である。図5に示すように、制御装置500は、制御部201、入力回路202、電源回路203、出力回路204、駆動回路501及びパルスセンサ210を備える。制御部201、入力回路202、電源回路203及び出力回路204の構成は、第1実施形態と略同様であり、説明を省略する。なお、制御装置500は、電源遮断回路、クロック周波数を提供する発振器、カウンタ回路等のハードウェア素子等をさらに備えていてもよい。
本実施形態に係る車両用開閉部材の制御装置による制御方法について説明する。
図8は第2実施形態の変形例に係るフローチャートである。図6との違いは、リレー208にON信号を出力するステップS602の前にトランジスタ207dにON信号を出力するステップS604を設けている点である。ステップS604において、リレー206はON固着、リレー207はON、リレー208はOFFになるため、駆動モータ209は停止する。その後、ステップS602において、制御部201はリレー208にON信号を出力する。これにより、リレー206はON固着、リレー207はON、リレー208はONになるため、駆動モータ209は反転し、ルーフパネル102aによる物体の挟み込みが解消される。したがって、本変形例においても図6のフローチャートと同様の制御が実現される。
第2実施形態の別の変形例として、図5の回路において、リレー208をリレー206の代替回路として用いてもよい。制御部201は、リレー208にリレー206と反対の動作をするように信号を出力する。通常動作時のトランジスタ206d~208dのON/OFFと、駆動モータ209の正転、反転及び停止との関係を表3に示す。
第1又は第2の実施形態において、駆動モータ209の制御としてPWM(Pulse Width Modulation)制御を行い、切替部として、リレー以外のスイッチング素子(スイッチ)を用いてもよい。例えば、リレー206~208の代わりにFETを用いて車両用開閉部材の制御装置を構成してもよい。このとき、制御部201は、切替部として設けられたFETに対しPWM制御に基づく制御信号を出力するよう構成されていてもよい。上述のような構成とすることで、FETが故障により常にON、又はOFFになった場合においても、駆動モータの回転方向を検出することで、故障に対するフェールセーフを実現することができる。なお、切替部としてリレーの代わりにFETを用いる構成の場合には、上記第1又は第2の実施形態の説明の中で、「リレーの固着」を「FETの故障」に読み替えることにより、該構成は同様に説明される。
Claims (10)
- 第1の方向に回転することにより車両に設けられる開閉部材を閉駆動させ、前記第1の方向とは反対の第2の方向に回転することにより前記開閉部材を開駆動させる駆動モータの回転の開始動作及び前記駆動モータの回転の方向を、切替部の接続を切り替えるための制御信号を出力することにより制御する制御部と、
前記駆動モータの回転の方向を示す信号を前記制御部に出力する検出部とを備え、
前記制御部は、前記検出部からの信号を基に、前記切替部の固着の有無を判断し、
前記制御部は、前記固着があると判断した場合、前記駆動モータを停止させ、かつ停止状態を維持させるように前記切替部の接続を切り替えるための制御信号を出力する、車両用開閉部材の制御装置。 - 前記固着の有無の判断は、前記開閉部材が開駆動又は閉駆動する際に前記開閉部材に物体が挟み込まれたときに実行される、請求項1に記載の制御装置。
- 前記制御部は、前記制御部が前記駆動モータを停止させる信号を出力した後、前記駆動モータが前記第1の方向又は第2の方向に回転していることを示す信号が第1の規定時間以上前記検出部から入力され続けている場合に前記固着があると判断する、請求項1又は2に記載の制御装置。
- 前記制御部は、前記制御部が前記駆動モータを停止させる信号を出力し、その後前記駆動モータの回転方向を反転させる信号を出力した後、前記駆動モータが前記第1の方向又は第2の方向に回転していることを示す信号が第2の規定時間が経過するまでに入力されない場合に前記固着があると判断する、請求項1乃至3のいずれか1項に記載の制御装置。
- 前記切替部は、
前記制御部からの制御信号によりオン又はオフに制御される、第1のスイッチ及び第2のスイッチを有し、
前記第1のスイッチがオン、かつ前記第2のスイッチがオフの場合に前記駆動モータは前記第1の方向に回転し、
前記第1のスイッチがオフ、かつ前記第2のスイッチがオンの場合に前記駆動モータは前記第2の方向に回転し、
前記第1及び第2のスイッチがいずれもオン又はいずれもオフの場合に前記駆動モータは停止する
ように構成され、
前記制御部は、前記第1のスイッチに固着があると判断した場合に、前記第2のスイッチを切り替えることにより前記駆動モータを停止させ、又は停止状態を維持させる、請求項1乃至4のいずれか1項に記載の車両用開閉部材の制御装置。 - 前記切替部は、
前記制御部からの制御信号によりオン又はオフに制御される、第1のスイッチ、第2のスイッチ及び第3のスイッチを有し、
前記第1のスイッチがオン、前記第2のスイッチがオフ、かつ前記第3のスイッチがオフの場合に前記駆動モータは前記第1の方向に回転し、
前記第1のスイッチがオフ、かつ前記第2のスイッチがオンの場合に前記駆動モータは前記第2の方向に回転し、
前記第3のスイッチがオン、かつ前記第2のスイッチがオンの場合に前記駆動モータは前記第2の方向に回転し、
それ以外の場合に前記駆動モータは停止する
ように構成され、
前記制御部は、前記第1のスイッチを切り替えることができない固着が有ると判断した場合に、前記第3のスイッチを切り替えることにより前記駆動モータを停止させ、又は停止状態を維持させる、請求項1乃至5のいずれか1項に記載の車両用開閉部材の制御装置。 - 前記制御部は、さらに前記第2のスイッチを切り替えることにより前記駆動モータを反転動作させる、請求項6に記載の車両用開閉部材の制御装置。
- 前記制御部は、前記検出部からの信号を基に前記開閉部材の位置を判断し、
前記制御部は、前記駆動モータを停止させ、かつ停止状態を維持させるように前記切替部の接続を切り替えるための制御信号を出力するか否かを前記開閉部材の位置に基づいて決定する、請求項1乃至7のいずれか1項に記載の車両用開閉部材の制御装置。 - 前記制御部は、PWM制御に基づいて前記制御信号を出力する、請求項1乃至8のいずれか1項に記載の車両用開閉部材の制御装置。
- 車両に設けられる開閉部材の駆動モータの回転を停止させるために、切替部の接続を切り替えるための制御信号を出力するステップと、
前記駆動モータが回転していることを示す信号を入力するステップと、
前記駆動モータが前記開閉部材を閉駆動する方向に回転していることを示す信号を基に、前記切替部が固着していると判断するステップと、
前記固着があると判断した場合、前記駆動モータを停止させ、かつ停止状態を維持させるように前記切替部の接続を切り替える制御信号を出力するステップと
を備える車両用開閉部材の制御方法。
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- 2015-09-25 CN CN201580065517.1A patent/CN107002445B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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CN107002445A (zh) | 2017-08-01 |
US10253544B2 (en) | 2019-04-09 |
CA2968800C (en) | 2019-05-14 |
MX2017006106A (es) | 2017-07-27 |
CN107002445B (zh) | 2018-04-27 |
CA2968800A1 (en) | 2016-06-02 |
JP2016098625A (ja) | 2016-05-30 |
US20170342757A1 (en) | 2017-11-30 |
JP6471475B2 (ja) | 2019-02-20 |
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