WO2018181808A1 - 車両用ブレーキシステム - Google Patents
車両用ブレーキシステム Download PDFInfo
- Publication number
- WO2018181808A1 WO2018181808A1 PCT/JP2018/013436 JP2018013436W WO2018181808A1 WO 2018181808 A1 WO2018181808 A1 WO 2018181808A1 JP 2018013436 W JP2018013436 W JP 2018013436W WO 2018181808 A1 WO2018181808 A1 WO 2018181808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- controller
- sub
- vehicle
- driver
- brake system
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/10—ABS control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/20—ASR control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/30—ESP control system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/402—Back-up
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/404—Brake-by-wire or X-by-wire failsafe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
- B60T2270/413—Plausibility monitoring, cross check, redundancy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/82—Brake-by-Wire, EHB
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
- B60T8/3255—Systems in which the braking action is dependent on brake pedal data
Definitions
- the present invention relates to a highly reliable vehicle brake system including an electric brake.
- a system including a central control device and a motor control device for each wheel has been proposed as an electric control system for a vehicle brake system (Patent Document 1).
- a motor is controlled via a drive IC by a main microcomputer mounted on each motor control device, and a failure of the main microcomputer can be detected by a monitoring microcomputer provided corresponding to the main microcomputer.
- a monitoring microcomputer provided corresponding to the main microcomputer.
- An object of the present invention is to provide a vehicle brake system including an electric brake, which is low-cost and highly reliable.
- the present invention has been made to solve at least a part of the above-described problems, and can be realized as the following aspects or application examples.
- a brake system for a vehicle comprising: an electric brake including at least one electric actuator for pressing the friction pad toward the rotor; a driver that drives the electric actuator; and a control device including a plurality of controllers connected to each other.
- the electric brake is provided on each wheel of the vehicle,
- the plurality of controllers are: A master controller including a driver control unit that controls the driver, a braking force calculation unit that calculates a braking force of the electric brake, and a behavior control unit that controls the behavior of the vehicle; A sub-controller including a driver control unit that controls the driver, and a braking force calculation unit that calculates a braking force of the electric brake; Including The electric brake provided on at least one of the wheels can be controlled from both the master controller and the sub-controller.
- the electric brake provided on at least one of the wheels can be controlled from both the master controller and the sub-controller. Even in the case of a failure, the electric brake can be controlled by the other, so that redundancy is realized and the reliability of the system is improved.
- the electric brake provided on at least one of the wheels can be controlled from both the master controller and the sub-controller. Control is possible.
- the vehicle brake system it is possible to achieve a reduction in cost by not using a plurality of relatively expensive master controllers while achieving redundancy by using a plurality of controllers.
- the at least one of the wheels may be a front wheel of the vehicle.
- the control of the electric brake having a large braking force provided on the front wheels is made redundant, the reliability of the system is further improved.
- the control device includes a first control device and a second control device,
- the first control device includes: The master controller and the sub-controller can be provided.
- the communication line between the master controller and the sub-controller is shortened. System reliability is also improved.
- the control device includes a first control device and a second control device, A brake pedal, A stroke simulator connected to the brake pedal; A stroke sensor for detecting an operation amount of the brake pedal,
- the first control device includes: The stroke simulator and the stroke sensor may be provided integrally.
- a control device on which the master controller and the sub controller are mounted is provided integrally with the stroke simulator and the stroke sensor, so that space saving is realized and the mounting capability on the vehicle is improved. improves.
- the master controller and the sub-controller are The same driver can be controlled.
- the electric actuator provided in the electric brake provided in any of the wheels can be driven from both the master controller and the sub-controller via the driver. Even if one of the controller and the sub-controller fails, the electric brake can be controlled by the other, so that redundancy is realized and the reliability of the system is improved.
- One aspect of the vehicle brake system is as follows.
- a plurality of drivers that respectively drive a plurality of the electric actuators provided in the electric brake provided in the at least one of the wheels;
- the master controller controls one of the plurality of drivers;
- the sub-controller can control another one of the plurality of the drivers.
- the driver controlled by the master controller and the driver controlled by the sub-controller are provided separately, even if one driver fails, the electric actuator is operated by the other driver.
- the system can be driven, and the redundancy and reliability of the system are improved.
- the electric brake can be more precisely controlled, and the controllability of the electric brake is improved.
- the behavior control unit is As control of the behavior of the vehicle, at least one of control for preventing the wheels from locking, control for suppressing idling of the wheels, and control for suppressing side slip of the vehicle can be performed.
- the electric brake provided on at least one of the wheels can be controlled from both the master controller and the sub-controller, various controls can be performed on the electric brake. Is possible.
- FIG. 1 is an overall configuration diagram showing a vehicle brake system according to the present embodiment.
- FIG. 2 is a block diagram showing the master controller and the first to third sub-controllers of the vehicle brake system according to the present embodiment.
- FIG. 3 is an overall configuration diagram showing a vehicle brake system according to a first modification.
- FIG. 4 is an overall configuration diagram showing a vehicle brake system according to a second modification.
- the vehicle brake system includes an electric brake including at least one electric actuator for pressing the friction pad toward the rotor, a driver for driving the electric actuator, and a plurality of controllers connected to each other.
- a brake system for a vehicle comprising: a control device comprising: the electric brake provided on each wheel of the vehicle; the plurality of controllers including a driver control unit that controls the driver; and a braking force of the electric brake.
- a master controller including a braking force calculation unit that calculates, a behavior control unit that controls the behavior of the vehicle, a driver control unit that controls the driver, and a braking force calculation unit that calculates the braking force of the electric brake; Including at least one of the wheels.
- the electric brake is characterized in that is controllable from both said master controller and said sub controller.
- FIG. 1 is an overall configuration diagram showing a vehicle brake system 1 according to this embodiment
- FIG. 2 shows a master controller 30 and first to third sub-controllers 40 to 42 of the vehicle brake system 1 according to this embodiment.
- FIG. 1 is an overall configuration diagram showing a vehicle brake system 1 according to this embodiment
- FIG. 2 shows a master controller 30 and first to third sub-controllers 40 to 42 of the vehicle brake system 1 according to this embodiment.
- FIG. 1 is an overall configuration diagram showing a vehicle brake system 1 according to this embodiment
- FIG. 2 shows a master controller 30 and first to third sub-controllers 40 to 42 of the vehicle brake system 1 according to this embodiment.
- the vehicle brake system 1 includes electric brakes 16a to 16d including at least one motor 80, 82, 84, 85 that are electric actuators for pressing a friction pad (not shown) to a rotor side (not shown). And drivers 60, 62, 64, 65 for driving the motors 80, 82, 84, 85, and a plurality of mutually connected controllers (master controller 30, first sub-controller 40, second sub-controller 41, third And a control device (10, 11) including a sub-controller 42).
- a rotor (not shown) is provided on each of the wheels Wa to Wd of the vehicle VB that is a four-wheeled vehicle and rotates integrally with the wheels Wa to Wd.
- the vehicle VB is not limited to a four-wheeled vehicle.
- a plurality of motors may be provided for one electric brake, and a plurality of electric brakes may be provided for one wheel.
- Electric brake The electric brake 16a provided on the front wheel left wheel (FL) is applied to a brake caliper 5a, a motor 80 fixed to the brake caliper 5a via a speed reducer 4a, and a friction pad (not shown) by the motor 80.
- the motor 80 includes a rotation angle sensor 90 that detects the relative position of the rotation shaft with respect to its own stator.
- the detection signal of the load sensor 6 a is input to the first sub controller 40, and the detection signal of the rotation angle sensor 90 is input to the master controller 30 and the first sub controller 40 via the driver 60.
- the electric brake 16b provided on the front wheel (FR) wheel Wb includes a brake caliper 5b, a motor 82 fixed to the brake caliper 5b via the speed reducer 4b, and a load applied to a friction pad (not shown) by the motor 82.
- the motor 82 includes a rotation angle sensor 92 that detects the relative position of the rotation shaft with respect to its own stator.
- the detection signal of the load sensor 6 b is input to the second sub controller 41, and the detection signal of the rotation angle sensor 92 is input to the master controller 30 and the second sub controller 41 via the driver 62.
- the electric brake 16c provided on the rear wheel (RL) wheel Wc includes a brake caliper 5c, a motor 84 fixed to the brake caliper 5c via the speed reducer 4c, and a load applied to a friction pad (not shown) by the motor 84. And a load sensor 6c for detecting.
- the motor 84 includes a rotation angle sensor 94 that detects the relative position of the rotation shaft with respect to its own stator. The detection signal of the load sensor 6 c is input to the third sub controller 42, and the detection signal of the rotation angle sensor 94 is input to the third sub controller 42 via the driver 64.
- the electric brake 16d provided on the rear wheel (RR) wheel Wd includes a brake caliper 5d, a motor 85 fixed to the brake caliper 5d via the speed reducer 4d, and a load applied to a friction pad (not shown) by the motor 85.
- the motor 85 includes a rotation angle sensor 95 that detects the relative position of the rotation shaft with respect to its own stator.
- the detection signal of the load sensor 6 d is input to the third sub controller 42, and the detection signal of the rotation angle sensor 95 is input to the third sub controller 42 via the driver 65.
- the brake calipers 5a to 5d are integrally formed with claw portions that are formed in a substantially C shape and extend to the opposite side across a rotor (not shown).
- Reduction gears 4a to 4d are fixed to brake calipers 5a to 5d, and transmit torque generated by rotation of motors 80, 82, 84, and 85 to a linear motion mechanism (not shown) built in brake calipers 5a to 5d.
- the linear motion mechanism As the linear motion mechanism, a known mechanism in the electric brake can be adopted.
- the linear motion mechanism converts the rotation of the motors 80, 82, 84, 85 into a linear motion of the friction pad via the speed reducers 4a to 4d.
- the linear motion mechanism presses the friction pad against the rotor and suppresses the rotation of the wheels Wa to Wd.
- motors 80, 82, 84, and 85 known electric motors can be adopted, for example, brushless DC motors.
- the friction pads are moved via the speed reducers 4a to 4d and the linear motion mechanism.
- adopted the motor as an electric actuator is demonstrated, you may employ
- the vehicle brake system 1 includes a brake pedal 2 that is an input device, and a stroke simulator 3 connected to the brake pedal 2.
- the brake pedal 2 includes a second stroke sensor 21 and a third stroke sensor 22 that detect an operation amount of the driver's brake pedal 2.
- the stroke simulator 3 includes a first stroke sensor 20 that detects an operation amount of the brake pedal 2.
- Each of the stroke sensors 20 to 22 generates an electrical detection signal corresponding to a depression stroke and / or a depression force, which is a kind of operation amount of the brake pedal 2, independently of each other.
- the first stroke sensor 20 transmits a detection signal to a master controller 30 to be described later
- the second stroke sensor 21 transmits a detection signal to a first sub-controller 40 to be described later
- the third stroke sensor 22 is a second sub-controller to be described later.
- a detection signal is transmitted to 41 and a third sub-controller 42 described later.
- the vehicle VB includes a plurality of control devices (hereinafter referred to as “other control devices 1000”) provided in systems other than the vehicle brake system 1 as input devices to the vehicle brake system 1.
- the other control device 1000 is connected to the master controller 30 of the first control device 10 and the third sub-controller 42 of the second control device 11 by CAN (Controller Area Network), and communicates information regarding brake operation with each other. .
- CAN Controller Area Network
- the control device includes a first control device 10 and a second control device 11.
- the first control device 10 is arranged at a predetermined position of the vehicle VB independently of the second control device 11.
- the first control device 10 and the second control device 11 are electronic control units (ECUs).
- ECUs electronice control units
- Each of the first control device 10 and the second control device 11 is housed in a synthetic resin casing. Therefore, redundancy is achieved by two control devices, the first control device 10 and the second control device 11.
- the example using two control apparatuses is demonstrated, it is good also considering the arrangement
- the first control device 10 and the second control device 11 are connected by CAN and communicate with each other. In CAN communication, unidirectional and bidirectional information is transmitted. Communication between ECUs is not limited to CAN.
- the first control device 10 and the second control device 11 are electrically connected to three batteries 100, 101, 102 that are independent from each other.
- the batteries 100, 101, and 102 supply power to the electronic components included in the first control device 10 and the second control device 11.
- the batteries 100, 101, 102 of the vehicle brake system 1 are arranged at predetermined positions of the vehicle VB.
- the first control device 10 includes a master controller 30, a first sub controller 40, a second sub controller 41, and drivers 60 and 62, and the second control device 11 includes a third sub controller 42 and drivers 64 and 65.
- Each of the master controller 30 and the first to third sub-controllers 40 to 42 is a microcomputer. Since the first control device 10 includes a plurality of controllers, redundancy and reliability in the first control device 10 are improved. Further, since a plurality of relatively expensive master controllers are not installed, cost reduction can be realized.
- the master controller 30 requires high performance in order to provide the behavior control unit 303 (the behavior control unit 303 will be described later), and is a relatively expensive controller compared to the first to third sub-controllers 40 to 42.
- the master controller 30 includes a driver control unit 301 that controls the drivers 60 and 62, a braking force calculation unit 302 that calculates the braking force of the electric brakes 16a to 16d, and the behavior of the vehicle VB. And a behavior control unit 303 for controlling
- the first sub-controller 40 includes a driver control unit 400 that controls the driver 60, and a braking force calculation unit 402 that calculates the braking force of the electric brakes 16a to 16d.
- the second sub-controller 41 includes a driver control unit 410 that controls the driver 62, and a braking force calculation unit 412 that calculates the braking force of the electric brakes 16a to 16d.
- the third sub-controller 42 includes a driver control unit 420 that controls the drivers 64 and 65, and a braking force calculation unit 422 that calculates the braking force of the electric brakes 16a to 16d. Since the first to third sub-controllers 40 to 42 do not include the behavior control unit, a microcomputer that is less expensive than the master controller 30 can be adopted, which contributes to cost reduction.
- Drivers 60, 62, 64, and 65 control driving of motors 80, 82, 84, and 85. Specifically, the driver 60 controls the driving of the motor 80, the driver 62 controls the driving of the motor 82, the driver 64 controls the driving of the motor 84, and the driver 65 controls the driving of the motor 85.
- the drivers 60, 62, 64, and 65 control the motors 80, 82, 84, and 85 by, for example, a sine wave driving method. Further, the drivers 60, 62, 64, 65 are not limited to the sine wave driving method, and may be controlled by, for example, a rectangular wave current.
- the drivers 60, 62, 64, and 65 include a power supply circuit and an inverter that supply power to the motors 80, 82, 84, and 85 according to instructions from the driver control units 301, 400, 410, and 420.
- the braking force calculation units 302, 402, 412, and 422 calculate the braking force (required value) based on the detection signals of the stroke sensors 20 to 22 corresponding to the operation amount of the brake pedal 2. Further, the braking force calculation units 302, 402, 412, 422 can calculate the braking force (required value) based on a signal from another control device 1000.
- the driver control units 301, 400, 410, and 420 include the braking force (required value) calculated by the braking force calculation units 302, 402, 412, and 422, the detection signals of the load sensors 6a to 6d, and the rotation angle sensors 90 and 92, respectively. , 94, 95 based on the detection signals of the drivers 60, 62, 64, 65.
- the drivers 60, 62, 64, 65 supply driving sine wave currents to the motors 80, 82, 84, 85 in accordance with instructions from the driver control units 301, 400, 410, 420.
- the current supplied to the motors 80, 82, 84, 85 is detected by current sensors 70, 72, 74, 75.
- the behavior control unit 303 outputs a signal for controlling the behavior of the vehicle VB to the driver control units 301, 400, 410, and 420.
- the behavior is other than simple braking according to the operation of the normal brake pedal 2, for example, ABS (Antilock Brake System) which is a control to prevent the wheel from being locked, and TCS (Control which suppresses idling of the wheels Wa to Wd). (Traction Control System), behavior stabilization control that is a control that suppresses the side slip of the vehicle VB.
- the master controller 30 and the first to third sub-controllers 40 to 42 include determination units 304, 404, 414, and 424 that determine the braking force by comparing the braking force calculation results of other controllers. Since the master controller 30 and the first to third sub-controllers 40 to 42 have the determination units 304, 404, 414, and 424, the controllers (30, 40, 41, and 42) are selectively used according to the braking force calculation result. Therefore, the vehicle brake system 1 can be made redundant.
- Determination units 304, 404, 414, and 424 determine the braking force by comparing the braking force calculation results of other controllers.
- the other controllers are the first sub controller 40, the second sub controller 41, and the third sub controller 42 for the determination unit 304, and the master controller 30, the second sub controller 41, and the third sub controller for the determination unit 404. 42, the master controller 30, the first sub-controller 40, and the third sub-controller 42 for the determination unit 414, and the master controller 30, the first sub-controller 40, and the second sub-controller 41 for the determination unit 424.
- the determination units 304, 404, 414, 424 calculate the calculation result in the braking force calculation unit 302 of the master controller 30, the calculation result in the braking force calculation unit 402 of the first sub controller 40, and the braking force calculation of the second sub controller 41.
- Three of the calculation results in the unit 412 and the calculation results in the braking force calculation unit 422 of the third sub-controller 42 are compared, and it is determined which calculation result is adopted as the braking force by majority vote.
- the master controller 30 controls the driver 60 and the driver 62. That is, the determination units 304, 404, 414, and 424 make the vehicle brake system 1 redundant.
- the electric brakes 16a and 16b provided on the wheels Wa and Wb are connected between the master controller 30 and the sub-controller (the first sub-controller 40 or the second sub-controller 41). It can be controlled from both. More specifically, the motor 80 included in the electric brake 16 a is driven by the driver 60, and the master controller 30 and the first sub controller 40 can control the same driver 60. The motor 82 provided in the electric brake 16b is driven by a driver 62, and the master controller 30 and the second sub controller 41 can control the same driver 62. Therefore, according to the vehicle brake system 1 according to the present embodiment, even if one of the master controller 30 and the first sub-controller 40 fails, the electric brake 16a can be controlled by the other.
- the motor 80 included in the electric brake 16 a is driven by the driver 60, and the master controller 30 and the first sub controller 40 can control the same driver 60.
- the motor 82 provided in the electric brake 16b is driven by a driver 62, and the master controller 30 and the second sub controller 41 can control the same driver
- the electric brake 16b can be controlled by the other, so that redundancy is realized and reliability is improved.
- the control of the electric brakes 16a and 16b provided on the wheels Wa and Wb as the front wheels is made redundant, so that the reliability is further improved.
- the electric brakes 16 a and 16 b provided on the wheels Wa and Wb are supplied from both the master controller 30 and the first sub controller 40 or the second sub controller 41. Since control is possible, various control is possible with respect to the electric brake 16a.
- a comparison is achieved while achieving redundancy by using a plurality of controllers (the master controller 30, the first sub controller 40, and the second sub controller 41).
- the cost can be reduced by not installing multiple expensive master controllers.
- the master controller 30, the first sub-controller 40, and the second sub-controller 41 are mounted on the first controller 10, so that the master controller 30, the first sub-controller 41, Since the communication line between the sub-controller 40 and the second sub-controller 41 is shortened, cost reduction is realized and reliability is improved.
- FIG. 3 is an overall configuration diagram showing a vehicle brake system 1a according to the first modification.
- the same components as those in the vehicle brake system 1 of FIGS. 1 and 2 are denoted by the same reference numerals in FIG. 3, and detailed description thereof is omitted.
- the electric brake 16a further includes a motor 81 that is an electric actuator fixed to the brake caliper 5a via the speed reducer 4a with respect to the configuration of FIG. Since the motor 81 is coaxial with the motor 80, a rotation angle sensor is unnecessary (the motor 80 and the rotation angle sensor 90 are shared).
- the electric brake 16b further includes a motor 83 that is an electric actuator fixed to the brake caliper 5b via the speed reducer 4b. Since the motor 83 is coaxial with the motor 82, a rotation angle sensor is unnecessary (the motor 82 and the rotation angle sensor 92 are shared).
- known electric motors can be adopted, for example, brushless DC motors.
- the first control device 10 further includes drivers 61 and 63 that drive the motors 81 and 83.
- the load sensor 6a detects a load applied to a friction pad (not shown) by the motors 80 and 81, a detection signal of the load sensor 6a is input to the first sub-controller 40, and a detection signal of the rotation angle sensor 90 is a driver 60 , 61 to the first sub controller 40 and the master controller 30.
- the load sensor 6b detects a load applied to a friction pad (not shown) by the motors 82 and 83, a detection signal of the load sensor 6b is input to the second sub-controller 41, and a detection signal of the rotation angle sensor 92 is a driver 62. , 63 to the second sub-controller 41 and the master controller 30.
- the reduction gear 4a transmits the torque generated by the rotation of the motors 80 and 81 to a linear motion mechanism (not shown) built in the brake caliper 5a.
- This linear motion mechanism converts the rotation of the motors 80 and 81 into a linear motion of the friction pad via the speed reducer 4a, and presses the friction pad against the rotor to suppress the rotation of the wheel Wa.
- the speed reducer 4b transmits torque generated by the rotation of the motors 82 and 83 to a linear motion mechanism (not shown) built in the brake caliper 5b.
- This linear motion mechanism converts the rotation of the motors 82 and 83 into a linear motion of the friction pad via the speed reducer 4b, and presses the friction pad against the rotor to suppress the rotation of the wheel Wb.
- the configuration of the master controller 30 and the first to third sub-controllers 40 to 42 is the same as that shown in FIG. However, some functions of the master controller 30 are different from those of the vehicle brake system 1. That is, in the master controller 30, the driver control unit 301 controls the drivers 61 and 63.
- Drivers 61 and 63 control driving of motors 81 and 83. Specifically, the driver 61 controls the driving of the motor 81, and the driver 63 controls the driving of the motor 83.
- the drivers 61 and 63 control the motors 81 and 83 by, for example, a sine wave driving method. Further, the drivers 61 and 63 are not limited to the sine wave driving method, and may be controlled by a rectangular wave current, for example.
- the drivers 61 and 63 include a power supply circuit and an inverter that supply electric power according to a command from the driver control unit 301 to the motors 81 and 83.
- the drivers 61 and 63 supply a driving sine wave current to the motors 81 and 83 in accordance with a command from the driver control unit 301.
- Currents supplied to the motors 81 and 83 are detected by current sensors 71 and 73.
- the electric brake 16a provided to the wheel Wa can be controlled from both the master controller 30 and the first sub-controller 40, and the electric brake provided to the wheel Wb.
- the brake 16b can be controlled from both the master controller 30 and the second sub-controller 41.
- the plurality of motors 80 and 81 included in the electric brake 16a are driven by the plurality of drivers 60 and 61, and the master controller 30 controls the driver 61 that is one of the plurality of drivers 60 and 61.
- the first sub-controller 40 controls a driver 60 that is one of the plurality of drivers 60 and 61.
- the plurality of motors 82 and 83 included in the electric brake 16b are driven by the plurality of drivers 62 and 63, and the master controller 30 controls the driver 63 that is one of the plurality of drivers 62 and 63, and the second sub
- the controller 41 controls a driver 62 that is one of the plurality of drivers 62 and 63. Therefore, according to the vehicle brake system 1a according to the first modification, even if one of the master controller 30 and the first sub-controller 40 breaks down, the electric brake 16a can be controlled by the other. Even if one of the second sub-controllers 41 breaks down, the electric brake 16b can be controlled by the other, so that redundancy is realized and reliability is improved. In particular, according to the vehicle brake system 1a according to the modified example 1, since the control of the electric brakes 16a and 16b provided on the wheels Wa and Wb as the front wheels is made redundant, the reliability is further improved.
- the driver 61 controlled by the master controller 30 and the driver 60 controlled by the first sub-controller 40 are provided separately. Even if the motor fails, the other of the motors 80 and 81 can be driven by the other of the drivers 60 and 61. Further, since the driver 63 controlled by the master controller 30 and the driver 62 controlled by the second sub-controller 41 are provided separately, even if one of the drivers 62, 63 breaks down, the motor by the other of the drivers 62, 63 The other of 82 and 83 can be driven. Therefore, according to the vehicle brake system 1a according to the first modification, redundancy and reliability are improved.
- the electric brakes 16a and 16b can be more precisely controlled, and the controllability of the electric brakes 16a and 16b is improved.
- FIG. 4 is an overall configuration diagram showing a vehicle brake system 1b according to the second modification.
- the same components as those in the vehicle brake systems 1 and 1a of FIGS. 1 to 3 are denoted by the same reference numerals in FIG. 4 and detailed description thereof is omitted.
- the configuration of the master controller 30 and the first to third sub-controllers 40 to 42 is the same as that shown in FIG.
- the first control device 10 is provided integrally with the stroke simulator 3 and the stroke sensors 20-22.
- the stroke simulator 3 and the stroke sensors 20 to 22 are housed in a synthetic resin casing, and one surface of the housing in which the first control device 10 is housed, and the stroke simulator 3 and the stroke sensors 20 to 22 are housed.
- the first controller 10 may be provided integrally with the stroke simulator 3 and the stroke sensors 20 to 22 by bonding one surface of the casing.
- the first controller 10 and the stroke sensor 20 to 22 are bonded to one surface of the housing in which the stroke simulator 3 is accommodated, so that the first controller 10 becomes the stroke simulator. 3 and the stroke sensors 20 to 22 may be provided integrally.
- the first controller 10 on which the master controller 30, the first sub-controller 40, and the second sub-controller 41 are mounted includes the stroke simulator 3 and the stroke sensors 20-22.
- the present invention includes configurations that are substantially the same as the configurations described in the embodiments (for example, configurations that have the same functions, methods, and results, or configurations that have the same objects and effects).
- the invention includes a configuration in which a non-essential part of the configuration described in the embodiment is replaced.
- the present invention includes a configuration that exhibits the same operational effects as the configuration described in the embodiment or a configuration that can achieve the same object.
- the invention includes a configuration in which a known technique is added to the configuration described in the embodiment.
- Braking force calculation unit 404 ... Determination unit 41 ... Second sub controller 410 ... Driver Control unit, 412 ... braking force calculation unit, 414 ... determination unit, 42 ... third sub-controller, 420 ... driver control unit, 422 Braking force calculation unit, 424 ... determination unit, 60-65 ... driver, 70-75 ... current sensor, 80-85 ... motor, 90, 92, 94, 95 ... rotation angle sensor, 100-102 ... battery, 1000 ... other Control device, VB ... vehicle, Wa-Wd ... wheel
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
本発明に係る車両用ブレーキシステムの一態様は、
摩擦パッドをロータ側に押圧するための電動アクチュエータを少なくとも1つ備える電動ブレーキと、前記電動アクチュエータを駆動するドライバと、相互に接続された複数のコントローラを備える制御装置と、を備える車両用ブレーキシステムにおいて、
前記電動ブレーキは、前記車両の各車輪に備えられ、
前記複数のコントローラは、
前記ドライバを制御するドライバ制御部と、前記電動ブレーキの制動力を演算する制動力演算部と、前記車両の挙動を制御する挙動制御部と、を含むマスタコントローラと、
前記ドライバを制御するドライバ制御部と、前記電動ブレーキの制動力を演算する制動力演算部と、を含むサブコントローラと、
を含み、
少なくともいずれかの前記車輪に備えられた前記電動ブレーキは、前記マスタコントローラと前記サブコントローラとの両方から制御可能であることを特徴とする。
上記車両用ブレーキシステムの一態様において、
前記少なくともいずれかの前記車輪は、前記車両の前輪であるようにすることができる。
上記車両用ブレーキシステムの一態様において、
前記制御装置は、第1の制御装置と第2の制御装置とを含み、
前記第1の制御装置は、
前記マスタコントローラと、前記サブコントローラと、を備えることができる。
上記車両用ブレーキシステムの一態様は、
前記制御装置は、第1の制御装置と第2の制御装置とを含み、
ブレーキペダルと、
前記ブレーキペダルに接続されたストロークシミュレータと、
前記ブレーキペダルの操作量を検出するストロークセンサと、をさらに備え、
前記第1の制御装置は、
前記ストロークシミュレータ及び前記ストロークセンサと一体に設けられることができる。
上記車両用ブレーキシステムの一態様において、
前記マスタコントローラ及び前記サブコントローラは、
同じ前記ドライバを制御可能であるようにすることができる。
上記車両用ブレーキシステムの一態様は、
前記少なくともいずれかの前記車輪に備えられた前記電動ブレーキが備える複数の前記電動アクチュエータをそれぞれ駆動する複数の前記ドライバを備え、
前記マスタコントローラは、前記複数の前記ドライバの1つを制御し、
前記サブコントローラは、前記複数の前記ドライバの他の1つを制御することができる。
上記車両用ブレーキシステムの一態様において、
前記挙動制御部は、
前記車両の挙動の制御として、前記車輪のロックを防ぐ制御、前記車輪の空転を抑制する制御及び前記車両の横滑りを抑制する制御の少なくともいずれかを行うことができる。
図1及び図2を用いて本実施形態に係る車両用ブレーキシステム1について詳細に説明する。図1は本実施形態に係る車両用ブレーキシステム1を示す全体構成図であり、図2は本実施形態に係る車両用ブレーキシステム1のマスタコントローラ30及び第1~第3サブコントローラ40~42を示すブロック図である。
前輪左側(FL)の車輪Waに設けられる電動ブレーキ16aは、ブレーキキャリパ5aと、ブレーキキャリパ5aに減速機4aを介して固定されたモータ80と、モータ80によって図示しない摩擦パッドに加えられる荷重を検出する荷重センサ6aと、を備える。モータ80は、自身のステータに対する回転軸の相対位置を検出する回転角センサ90を備える。荷重センサ6aの検出信号は、第1サブコントローラ40に入力され、回転角センサ90の検出信号は、ドライバ60を介してマスタコントローラ30及び第1サブコントローラ40に入力される。
車両用ブレーキシステム1は、入力装置であるブレーキペダル2と、ブレーキペダル2に接続されたストロークシミュレータ3と、を含む。ブレーキペダル2は、運転者のブレーキペダル2の操作量を検出する第2ストロークセンサ21及び第3ストロークセンサ22を備える。ストロークシミュレータ3は、ブレーキペダル2の操作量を検出する第1ストロークセンサ20を備える。
制御装置は、第1の制御装置10と第2の制御装置11とを含む。第1の制御装置10は、第2の制御装置11とは独立して車両VBの所定位置に配置される。第1の制御装置10及び第2の制御装置11は、電子制御ユニット(ECU)である。第1の制御装置10及び第2の制御装置11のそれぞれは、合成樹脂製の筐体に収容される。したがって、第1の制御装置10と第2の制御装置11という2つの制御装置によって、冗長化されている。なお、制御装置を2つ用いた例について説明するが、車両VBにおける配置を考慮して1つとしてもよいし、さらに冗長性を高めるために3つ以上としてもよい。
図3を用いて変形例1に係る車両用ブレーキシステム1aについて説明する。図3は変形例1に係る車両用ブレーキシステム1aを示す全体構成図である。以下の説明において、図1及び図2の車両用ブレーキシステム1と同じ構成については図3でも同じ符号を付し、詳細な説明を省略する。
図4を用いて変形例2に係る車両用ブレーキシステム1bについて説明する。図4は、変形例2に係る車両用ブレーキシステム1bを示す全体構成図である。以下の説明において、図1~図3の車両用ブレーキシステム1,1aと同じ構成については図4でも同じ符号を付し、詳細な説明を省略する。また、車両用ブレーキシステム1bにおいて、マスタコントローラ30及び第1~第3サブコントローラ40~42の構成は図2と同様であるため、その図示及び説明を省略する。
Claims (7)
- 摩擦パッドをロータ側に押圧するための電動アクチュエータを少なくとも1つ備える電動ブレーキと、前記電動アクチュエータを駆動するドライバと、相互に接続された複数のコントローラを備える制御装置と、を備える車両用ブレーキシステムにおいて、
前記電動ブレーキは、前記車両の各車輪に備えられ、
前記複数のコントローラは、
前記ドライバを制御するドライバ制御部と、前記電動ブレーキの制動力を演算する制動力演算部と、前記車両の挙動を制御する挙動制御部と、を含むマスタコントローラと、
前記ドライバを制御するドライバ制御部と、前記電動ブレーキの制動力を演算する制動力演算部と、を含むサブコントローラと、
を含み、
少なくともいずれかの前記車輪に備えられた前記電動ブレーキは、前記マスタコントローラと前記サブコントローラとの両方から制御可能であることを特徴とする、車両用ブレーキシステム。 - 請求項1において、
前記少なくともいずれかの前記車輪は、前記車両の前輪であることを特徴とする、車両用ブレーキシステム。 - 請求項1又は2において、
前記制御装置は、第1の制御装置と第2の制御装置とを含み、
前記第1の制御装置は、
前記マスタコントローラと、前記サブコントローラと、を備えることを特徴とする、車両用ブレーキシステム。 - 請求項3において、
ブレーキペダルと、
前記ブレーキペダルに接続されたストロークシミュレータと、
前記ブレーキペダルの操作量を検出するストロークセンサと、をさらに備え、
前記第1の制御装置は、
前記ストロークシミュレータ及び前記ストロークセンサと一体に設けられることを特徴とする、車両用ブレーキシステム。 - 請求項1乃至4のいずれか1項において、
前記マスタコントローラ及び前記サブコントローラは、
同じ前記ドライバを制御可能であることを特徴とする、車両用ブレーキシステム。 - 請求項1乃至4のいずれか1項において、
前記少なくともいずれかの前記車輪に備えられた前記電動ブレーキが備える複数の前記電動アクチュエータをそれぞれ駆動する複数の前記ドライバを備え、
前記マスタコントローラは、前記複数の前記ドライバの1つを制御し、
前記サブコントローラは、前記複数の前記ドライバの他の1つを制御することを特徴とする、車両用ブレーキシステム。 - 請求項1乃至6のいずれか1項において、
前記挙動制御部は、
前記車両の挙動の制御として、前記車輪のロックを防ぐ制御、前記車輪の空転を抑制する制御及び前記車両の横滑りを抑制する制御の少なくともいずれかを行うことを特徴とする、車両用ブレーキシステム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18774878.5A EP3604058B1 (en) | 2017-03-31 | 2018-03-29 | Vehicular brake system |
JP2019510182A JP6893239B2 (ja) | 2017-03-31 | 2018-03-29 | 車両用ブレーキシステム |
US16/499,046 US11648917B2 (en) | 2017-03-31 | 2018-03-29 | Vehicle brake system |
CN201880021648.3A CN110573394B (zh) | 2017-03-31 | 2018-03-29 | 车辆用制动*** |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017-071354 | 2017-03-31 | ||
JP2017071354 | 2017-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018181808A1 true WO2018181808A1 (ja) | 2018-10-04 |
Family
ID=63676465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2018/013436 WO2018181808A1 (ja) | 2017-03-31 | 2018-03-29 | 車両用ブレーキシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US11648917B2 (ja) |
EP (1) | EP3604058B1 (ja) |
JP (1) | JP6893239B2 (ja) |
CN (1) | CN110573394B (ja) |
WO (1) | WO2018181808A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7117290B2 (ja) * | 2017-03-31 | 2022-08-12 | 日立Astemo株式会社 | 車両用ブレーキシステム |
DE102021205581A1 (de) * | 2021-06-01 | 2022-12-01 | Robert Bosch Gesellschaft mit beschränkter Haftung | Elektromechanisches Bremssystem für ein Kraftfahrzeug, Verfahren |
DE102021205584A1 (de) * | 2021-06-01 | 2022-12-01 | Robert Bosch Gesellschaft mit beschränkter Haftung | Elektromechanisches Bremssystem für ein Kraftfahrzeug, Verfahren |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001138882A (ja) | 1999-09-02 | 2001-05-22 | Toyota Motor Corp | 車両用電気制御システム |
JP2013212814A (ja) * | 2012-04-04 | 2013-10-17 | Ntn Corp | 電動ブレーキ装置 |
JP2016170786A (ja) * | 2015-03-12 | 2016-09-23 | インフィネオン テクノロジーズ アクチエンゲゼルシャフトInfineon Technologies AG | セーフティクリティカルなエラーを処理するための方法と装置 |
WO2017047496A1 (ja) * | 2015-09-14 | 2017-03-23 | Ntn株式会社 | 電動制動システム |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4022671A1 (de) | 1990-07-17 | 1992-01-23 | Wabco Westinghouse Fahrzeug | Elektronisches bremssystem fuer stassenfahrzeuge |
DE69836301T2 (de) * | 1997-07-29 | 2007-06-06 | Toyota Jidosha Kabushiki Kaisha, Toyota | Elektrisch betätigte Bremsanlage mit Betätigungsvorrichtung eines elektrischen Bremsmotors zur Erlangung einer Beziehung zwischen Motorkraft und Bremsmoment |
JPH11148522A (ja) * | 1997-11-14 | 1999-06-02 | Toyota Motor Corp | 電動式ブレーキおよび電動式ブレーキシステム |
US6317675B1 (en) * | 1997-11-22 | 2001-11-13 | Continental Teves Ag & Co., Ohg | Electromechanical brake system |
US6345225B1 (en) * | 1997-11-22 | 2002-02-05 | Continental Teves Ag & Co., Ohg | Electromechanical brake system |
DE19756976C2 (de) | 1997-12-20 | 2000-05-11 | Daimler Chrysler Ag | Bremseinrichtung für Fahrzeuge |
DE19826131A1 (de) * | 1998-06-12 | 1999-12-16 | Bosch Gmbh Robert | Elektrisches Bremssystem für ein Kraftfahrzeug |
DE19826132C2 (de) * | 1998-06-12 | 2000-06-29 | Bosch Gmbh Robert | Elektrisches Bremssystem für ein Kraftfahrzeug |
JP2000225935A (ja) * | 1999-02-03 | 2000-08-15 | Toyota Motor Corp | 電気制御ブレーキシステム |
JP3740005B2 (ja) * | 1999-11-01 | 2006-01-25 | トヨタ自動車株式会社 | 制動トルク制御装置 |
JP2001208790A (ja) | 2000-01-26 | 2001-08-03 | Yazaki Corp | コネクタ導通検査具 |
DE10118262A1 (de) * | 2001-04-12 | 2002-10-17 | Bosch Gmbh Robert | Elektrisches Bremssystem |
JP2003175811A (ja) | 2001-12-13 | 2003-06-24 | Nissan Motor Co Ltd | 電動ブレーキ装置 |
JP2003220943A (ja) | 2002-01-30 | 2003-08-05 | Hitachi Unisia Automotive Ltd | 制動制御装置 |
JP2005140165A (ja) | 2003-11-04 | 2005-06-02 | Sumitomo Electric Ind Ltd | 電動式制動装置 |
US7630807B2 (en) | 2004-07-15 | 2009-12-08 | Hitachi, Ltd. | Vehicle control system |
JP2007253930A (ja) | 2006-02-24 | 2007-10-04 | Advics:Kk | 車両用電子制御装置および車両ブレーキ用電子制御装置 |
JP4380659B2 (ja) | 2006-05-29 | 2009-12-09 | トヨタ自動車株式会社 | 電気制御ブレーキシステム |
JP2008055992A (ja) | 2006-08-30 | 2008-03-13 | Hitachi Ltd | ブレーキ制御装置 |
DE102007042481B4 (de) | 2007-09-06 | 2022-04-07 | Zf Cv Systems Hannover Gmbh | Fahrzeugsteuersystem für einen Kraftwagen |
GB0802212D0 (en) | 2008-02-06 | 2008-03-12 | Meritor Heavy Vehicle Braking | A brake system and method |
KR100957329B1 (ko) * | 2008-03-06 | 2010-05-13 | 현대자동차주식회사 | 전동식 브레이크 시스템용 디스크 브레이크 장치 |
US8489302B2 (en) * | 2010-09-14 | 2013-07-16 | Goodrich Corporation | Systems and methods for dynamically stable braking |
DE102011084534A1 (de) | 2010-10-18 | 2012-04-19 | Continental Teves Ag & Co. Ohg | Fehlersichere Parkbremse für Kraftfahrzeuge |
US8682559B2 (en) * | 2010-12-14 | 2014-03-25 | Nxp B.V. | Distributed electrical brake circuit and system |
EP2475206A1 (en) | 2011-01-07 | 2012-07-11 | Mitsubishi Electric R&D Centre Europe B.V. | Method and a device for adjusting the transmission power of signals transferred by plural mobile terminals |
FR2996509B1 (fr) * | 2012-10-09 | 2014-12-19 | Messier Bugatti Dowty | Architecture de systeme de freinage electromecanique. |
CN104002784B (zh) * | 2014-05-14 | 2017-01-11 | 西安航空制动科技有限公司 | 一种多轮系刹车机轮的刹车控制*** |
DE102015206572A1 (de) | 2014-05-15 | 2015-11-19 | Continental Teves Ag & Co. Ohg | Bremsanlage für Kraftfahrzeuge |
JP6407732B2 (ja) | 2015-01-08 | 2018-10-17 | Ntn株式会社 | 車両制御装置 |
JP6565388B2 (ja) | 2015-07-02 | 2019-08-28 | 三菱自動車工業株式会社 | 電動ブレーキ装置 |
JP6605248B2 (ja) | 2015-07-27 | 2019-11-13 | Ntn株式会社 | 摩擦ブレーキシステム |
US10501063B2 (en) * | 2016-08-29 | 2019-12-10 | GM Global Technology Operations LLC | Brake-by-wire system |
US20180141530A1 (en) * | 2016-11-22 | 2018-05-24 | GM Global Technology Operations LLC | Brake-by-wire system |
EP3604055A4 (en) * | 2017-03-31 | 2020-12-30 | Nissin Kogyo Co., Ltd. | VEHICLE BRAKING SYSTEM |
-
2018
- 2018-03-29 JP JP2019510182A patent/JP6893239B2/ja active Active
- 2018-03-29 WO PCT/JP2018/013436 patent/WO2018181808A1/ja active Application Filing
- 2018-03-29 US US16/499,046 patent/US11648917B2/en active Active
- 2018-03-29 CN CN201880021648.3A patent/CN110573394B/zh active Active
- 2018-03-29 EP EP18774878.5A patent/EP3604058B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001138882A (ja) | 1999-09-02 | 2001-05-22 | Toyota Motor Corp | 車両用電気制御システム |
JP2013212814A (ja) * | 2012-04-04 | 2013-10-17 | Ntn Corp | 電動ブレーキ装置 |
JP2016170786A (ja) * | 2015-03-12 | 2016-09-23 | インフィネオン テクノロジーズ アクチエンゲゼルシャフトInfineon Technologies AG | セーフティクリティカルなエラーを処理するための方法と装置 |
WO2017047496A1 (ja) * | 2015-09-14 | 2017-03-23 | Ntn株式会社 | 電動制動システム |
Non-Patent Citations (1)
Title |
---|
See also references of EP3604058A4 |
Also Published As
Publication number | Publication date |
---|---|
EP3604058B1 (en) | 2023-01-18 |
EP3604058A4 (en) | 2020-11-25 |
US20200031322A1 (en) | 2020-01-30 |
EP3604058A1 (en) | 2020-02-05 |
JPWO2018181808A1 (ja) | 2020-02-13 |
US11648917B2 (en) | 2023-05-16 |
JP6893239B2 (ja) | 2021-06-23 |
CN110573394A (zh) | 2019-12-13 |
CN110573394B (zh) | 2022-06-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6921183B2 (ja) | 車両用ブレーキシステム | |
JP6884206B2 (ja) | 車両用ブレーキシステム | |
WO2018181808A1 (ja) | 車両用ブレーキシステム | |
WO2018181806A1 (ja) | 車両用ブレーキシステム | |
WO2018181805A1 (ja) | 車両用ブレーキシステム | |
JP6905848B2 (ja) | 車両用ブレーキシステム | |
JP6893109B2 (ja) | 車両用ブレーキシステム | |
JP6920857B2 (ja) | 車両用ブレーキシステム | |
JP6902955B2 (ja) | 車両用ブレーキシステム | |
JP6818650B2 (ja) | 車両用ブレーキシステム | |
JP6890453B2 (ja) | 車両用ブレーキシステム | |
JP6895035B2 (ja) | 車両用ブレーキシステム | |
JP6895036B2 (ja) | 車両用ブレーキシステム | |
JP6921197B2 (ja) | 車両用ブレーキシステム | |
JP2018172034A (ja) | 車両用ブレーキシステム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18774878 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019510182 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2018774878 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2018774878 Country of ref document: EP Effective date: 20191031 |