CN101879891A - Simulator for feeling automobile brake pedal - Google Patents
Simulator for feeling automobile brake pedal Download PDFInfo
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- CN101879891A CN101879891A CN 201010214778 CN201010214778A CN101879891A CN 101879891 A CN101879891 A CN 101879891A CN 201010214778 CN201010214778 CN 201010214778 CN 201010214778 A CN201010214778 A CN 201010214778A CN 101879891 A CN101879891 A CN 101879891A
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Abstract
The invention discloses a simulator for feeling an automobile brake pedal, comprising an oil storage cup, a brake master cylinder and a brake pedal which is provided with a pedal stroke sensor; a simulator valve block is connected between the first chamber and second chamber of the brake master cylinder and an ABS valve block; the hydraulic oil in the first chamber of the brake master cylinder is accessed into the simulator valve block and then is divided into two paths after passing a pressure sensor; one path of the hydraulic oil in series connection with a third electromagnetic valve is connected with the ABS valve block, the other path in series connection with a fourth electromagnetic valve is connected with stimulator-free spring chamber of a stimulator cylinder body; the hydraulic oil in the second chamber of the brake master cylinder is accessed into the simulator valve block and then is divided into two paths; one path of the hydraulic oil in series connection with a second electromagnetic valve is connected with the ABS valve block, the other path in series connection with a first electromagnetic valve is connected with the oil storage cup; and the stimulator spring chamber of the stimulator cylinder body is connected with the oil storage cup. The simulator has simple structure, is convenient for being installed in an automobile, can accurately obtain the brake intention of a driver and truly feed back the feeling of the driver stamping the pedal, and can realize emergent brake function of an electronic control braking system; and the property of the pedal is stable.
Description
Technical field
The present invention relates to automobile electrically-controlled brake system device, especially relate to a kind of simulator for feeling automobile brake pedal.
Background technology
Brake system is the important leverage of vehicle safety travel.Compare traditional hydraulic brake system, electric controlled brake system has simple in structure, and braking response is fast, control accuracy height, flexible arrangement, plurality of advantages such as pedal characteristic unanimity; And easy and Automobile Dynamic control system is integrated, and can satisfy the regeneration brake system demand of electronlmobil and hybrid vehicle, has bright development prospect.But electric controlled brake system has been cancelled the direct connection of brake pedal and brake wheel cylinder, must adopt specific device to come simulating brake pedal feedback force, guarantees that chaufeur obtains the braking feedback information.Therefore, can accurately, reliably reflect chaufeur braking intention, can provide the pedal sense simulator of the good brake pedal feel of chaufeur to become indispensable link in the electric controlled brake system research again.
Through consulting data of literatures, brake-force generating device has the patent (US6464306B2) of the U.S., has set forth the pedal simulator of a kind of integrated force gauge and stroke sensor; Germany Lucas Automotive Gmbh (patent publication No. CN101341055A) has designed the brake-force generating device that is used for the hydraulic vehicle brake system.These devices only carry out design and research from obtaining chaufeur braking intention, do not consider that glancing impact feeds back to the important information of chaufeur.
Technology about electric controlled brake system treadle effort analog machine mainly contains two classes: a class is to adopt elastic element to simulate the feedback force of pedal sense; Another kind of is to utilize ECU (Electrical Control Unit) control actuator to simulate the feedback force of pedal sense.
The master cylinder that Delphi company utilizes the rubber element nonlinear characteristic to design the integrated rubber spring comes the feedback force (SAE 1999-01-0481) of simulating brake pedal sense, this structure needs the structure of traditional master brake cylinder is improved to rubber spring material requirements strictness simultaneously; The mode that Delphi company also utilizes air bellow and cone-shaped spring to combine is come the feedback force (SAE 2003-01-0324) of simulating brake pedal sense, and simulator adopts the built-in two-stage spring of notch cuttype cylinder body, this complex structure, tooling cost height.
And have a kind of action simulation device (patent publication No. CN1419505A) in the vehicle electrically controlling hydraulic brake system of BOSCH company development, utilized the feedback force of high pressure accumulator and pneumatic spring combination simulating brake pedal sense, wherein high pressure accumulator needs motor and Hydraulic Pump to drive, and pneumatic spring needs external air source to regulate; This action simulation device also needs to use micro controller system to be controlled the unlatching and the closure of two electromagnetic valves, can realize the feedback force according to the Changing Pattern simulating brake pedal sense of brake pedal ideal behavior.But the last relatively analoglike device of this simulator structure is more complicated, and needs a large amount of observed datas, sets up the ideal behavior data bank of different operating mode brake pedals.
Summary of the invention
For the complex structure that overcomes existing brake pedal simulator, need deficiencies such as customized design master brake cylinder and external air source, the object of the present invention is to provide a kind of simulator for feeling automobile brake pedal.This device makes full use of the parts of conventional hydraulic brake system, has simplified the simulator structure, is convenient to install in automobile; Can accurately obtain chaufeur braking intention and true feedback driver pedal sensation; Can realize the emergency brake function of electric controlled brake system; The pedal stability of characteristics.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention includes oil storage cup, master brake cylinder has the brake pedal of pedal stroke sensor; First chamber at master brake cylinder is connected a simulator valve piece with second chamber with the abs valve interblock.
Described simulator valve piece comprises four electromagnetic valves, pressure sensor, simulator cylinder body; Be divided into two-way behind the pressure sensor of the hydraulic oil access simulator valve piece in first chamber of master brake cylinder, the one tunnel is connected in series the 3rd electromagnetic valve is connected with the abs valve piece, and another road is connected in series the 4th electromagnetic valve and is connected with the no simulator spring chamber of simulator cylinder body; Hydraulic oil in second chamber of master brake cylinder is divided into two-way after inserting simulator valve piece, and one the tunnel is connected in series second electromagnetic valve is connected with the abs valve piece, and another road is connected in series first electromagnetic valve and is connected with oil storage cup; The simulator spring chamber that has of simulator cylinder body is connected with oil storage cup.
The beneficial effect that the present invention has is:
1) simulator for feeling automobile brake pedal of the present invention is simple in structure.At the conventional hydraulic brake system structure, can connect into a simulator valve piece with any hydraulic tubing location strings of abs valve interblock at master brake cylinder, be easy to realize that simulator valve piece installs in real vehicle; Common components such as simulator valve piece and integrated simulator spring thereof, electromagnetic valve, piston, pressure sensor, bump rubber, spring perch are easy to design and processing; Traditional hydraulic brake system structure need not to change, and only needs according to the suitable hydraulic oil pipe length of simulator valve piece installation position selection.
2) simulator for feeling automobile brake pedal of the present invention can accurately obtain chaufeur braking intention and in time feed back the driver pedal sensation.On the traditional braking pedal, pedal stroke sensor is installed, can be accurately obtained stroke and speed that chaufeur is stepped on brake pedal; The pressure sensor on the simulator valve piece and the data of pedal stroke sensor are handled through redundant, guarantee to obtain the reliability of chaufeur braking intention; Treadle effort realizes by the simulation of hydraulic fluid pressure and spring force, and the principle that produces treadle effort with traditional hydraulic brake system is identical, and therefore the brake pedal feel of feedback is true, and has eliminated " pinching " phenomenon of traditional braking pedal.
3) simulator for feeling automobile brake pedal of the present invention can be realized electric controlled brake system emergency brake function.Under the situation of electric controlled brake system inefficacy or pedal simulator electromagnetic valve dead electricity, four electromagnetic valves are in initially often to be opened and normally off, adopts traditional hydraulic brake system function to realize emergency brake.
4) simulator for feeling automobile brake pedal pedal stability of characteristics of the present invention.Hydraulic oil infiltrates the treadle effort characteristic changing that causes behind the simulator cylinder body by leather cup and casing wall gap in the long-term use process in order to overcome, the simulator cylinder body is communicated with oil storage cup by hydraulic oil pipe, be that the anti-power of work is only provided by simulation spring or bump rubber on the emulator piston, can too much not increase the additionally anti-power of work, guarantee brake pedal feel simulator pedal characteristic long-term stability because of hydraulic oil infiltrates.
The present invention can use in electric control hydraulic braking system (EHB) and mechanical type brake system electric (EMB), also can use in new-energy automobile regeneration brake systems such as hybrid vehicle, pure electric automobile.
Description of drawings
Fig. 1 is the structural principle scheme drawing of simulator for feeling automobile brake pedal.
Fig. 2 is the oil channel structures figure of simulator for feeling automobile brake pedal valve piece.
Fig. 3 is the treadle effort and the pedal stroke graph of relation of simulator for feeling automobile brake pedal.
Among the figure: 1. oil storage cup; 2. master brake cylinder; 3. pedal push rod; 4. brake pedal; 5. pedal stroke sensor; 6. first piston; 7. first pull back spring; 8. pressure sensor; 9. second piston; 10. second pull back spring; 11. hydraulic oil pipe; 12. first electromagnetic valve; 13. second electromagnetic valve; 14. the 3rd electromagnetic valve; 15. the 4th electromagnetic valve; 16. emulator piston; 17. simulator spring; 18. bump rubber; 19. simulator cylinder body; 20.ABS valve piece; 21. brake wheel cylinder; 22. simulator valve piece; 23. first oil inlet; 24. second oil inlet; 25. leather cup; 26. spring perch; 27. jump ring; 28. first oil outlet; 29. second oil outlet; 30. return opening.
The specific embodiment
Below in conjunction with drawings and Examples invention is described further.
As shown in Figure 1, the present invention includes oil storage cup 1, master brake cylinder 2 has the brake pedal 4 of pedal stroke sensor 5.First chamber at master brake cylinder 2 is connected a simulator valve piece 22 with 20 of second chamber and abs valve pieces.
Described simulator valve piece 22 comprises four electromagnetic valves 12,13,14,15, pressure sensor 8, simulator cylinder body 19; Be divided into two-way behind the pressure sensor 8 of the hydraulic oil access simulator valve piece 22 in first chamber of master brake cylinder 2, one the tunnel is connected in series the 3rd electromagnetic valve 14 is connected with abs valve piece 20, and another road is connected in series the 4th electromagnetic valve 15 and is connected with no simulator spring 17 chambers of simulator cylinder body 19; Hydraulic oil in second chamber of master brake cylinder 2 is divided into two-way after inserting simulator valve piece 22, and one the tunnel is connected in series second electromagnetic valve 13 is connected with abs valve piece 20, and another road is connected in series first electromagnetic valve 12 and is connected with oil storage cup 1; Simulator spring 17 chambers that have of simulator cylinder body 19 are connected with oil storage cup 1.
Principle of work of the present invention is as follows:
As shown in Figure 1, during the electric controlled brake system normal operation, chaufeur is stepped on brake pedal 4, and electronic control unit obtains chaufeur braking intention by pedal stroke sensor 5 and pressure sensor 8, comprises pedal stroke and pedal speed; Second electromagnetic valve 13 and the 3rd electromagnetic valve 14 of automobile brake pedal simulator are closed, no machinery and hydraulic pressure direct connection between brake pedal 4 and the brake wheel cylinder 21; First electromagnetic valve 12 and the 4th electromagnetic valve 15 are opened, second chamber of master brake cylinder 2 is communicated with oil storage cup 1, second chamber of master brake cylinder 2 build-up pressure no longer when second piston 9 moves, guaranteed that brake pedal 4 has enough strokes, this moment, second pull back spring 10 played the cooresponding treadle effort of the little stroke of simulation, as the AB section of simulating brake pedal curve among Fig. 3; When continuing to step on brake pedal 4, pedal push rod 3 promotes first piston 6 and moves to left, first chamber of master brake cylinder 2 increases in the effect downforce of first pull back spring 7 and simulator spring 17, realizes the treadle effort simulation of middle of stroke, as the BC section of simulating brake pedal curve among Fig. 3; Brake pedal 4 is during near range, and first chamber of master brake cylinder 4 sharply increases with bump rubber 18 combined action downforce at first pull back spring 7, simulator spring 17, realizes the treadle effort simulation of big stroke, as the CD section of simulating brake pedal curve among Fig. 3.When electric controlled brake system inefficacy or simulator dead electricity, second electromagnetic valve 13 and the 3rd electromagnetic valve 14 are often opened, first electromagnetic valve 12 and the 4th electromagnetic valve 15 are normally closed, realize conventional hydraulic brake system function, promptly step on brake pedal 4, two chamber pressures of master brake cylinder 2 increase by hydraulic fluid pressure in the abs valve piece 20 direct drive brake wheel cylinders 21.
The oil circuit annexation as shown in Figure 2, during the electric controlled brake system normal brake application, hydraulic oil enters first oil inlet 23 of simulator valve piece 22 in first chamber of master brake cylinder 2 through hydraulic oil pipe 11, the 3rd electromagnetic valve 14 is closed, stop hydraulic oil flow to go out first oil outlet 28 of simulator valve piece 22, the 4th electromagnetic valve 15 is opened, allow hydraulic oil to enter the chamber of the no simulator spring 17 of simulator cylinder body 19 by the 4th electromagnetic valve 15, after hydraulic fluid pressure can overcome simulator spring 17 predetermincd tensions in first chamber of master brake cylinder 2, promote emulator piston 16 and move to right, the interior hydraulic pressure of first chamber of master brake cylinder 2 is also along with the amount of compression of simulator spring 17 increases simultaneously; Hydraulic oil enters second oil inlet 24 of simulator valve piece 22 in second chamber of master brake cylinder 2 through hydraulic oil pipe 11, second electromagnetic valve 13 is closed, stop hydraulic oil flow to go out second oil outlet 29 of simulator valve piece 22, first electromagnetic valve 12 is opened, allow hydraulic oil by first electromagnetic valve 12, flow back in the oil storage cup 1 through return opening 30, the hydraulic oil pipe 11 of simulator valve piece 22.When electric controlled brake system lost efficacy, hydraulic oil enters first oil inlet 23 of simulator valve piece 22 in first chamber of master brake cylinder 2 through hydraulic oil pipe 11, the 4th electromagnetic valve 15 is closed, stop hydraulic oil to enter the chamber that simulator spring 17 is arranged of simulator cylinder body 19, the 3rd electromagnetic valve 14 is opened, allow hydraulic oil by the 3rd electromagnetic valve 14, enter brake wheel cylinder 21 through first oil outlet 28, the abs valve piece 20 of simulator valve piece 22; Hydraulic oil enters second oil inlet 24 of simulator valve piece 22 in second chamber of master brake cylinder 2 through hydraulic oil pipe 11, first electromagnetic valve 12 is closed, stop the interior hydraulic oil of second chamber and oil storage cup 1 circulation of master brake cylinder 2, second electromagnetic valve 13 is opened, allow fluid by second electromagnetic valve 13, enter brake wheel cylinder 21 through second oil outlet 29, the abs valve piece 20 of simulator valve piece 22.In addition, when emulator piston 16 moved to right, hydraulic oil flowed back to oil storage cup 1 through return opening 30, the hydraulic oil pipe 11 of simulator valve piece 22 in the chamber that simulator spring 17 is arranged of simulator cylinder body 19; When simulator spring 17 restoring forces promote emulator piston 16 and move to left, the hydraulic oil in the oil storage cup 1, the chamber that simulator spring 17 is arranged that enters simulator cylinder body 19 through the return opening 30 of hydraulic oil pipe 11, simulator valve piece 22 replenishes.The chamber that simulator spring 17 is arranged of simulator cylinder body 19 separates with emulator piston 16 and leather cup 25 with the chamber of no simulator spring 17, and simulator spring 17 1 ends are connected with emulator piston 16, and the other end is connected with spring perch 26; The predetermincd tension of simulator spring 17 is regulated by jump ring 27 and pad.
Fig. 3 is the treadle effort and the pedal stroke graph of relation of simulator for feeling automobile brake pedal.By the rigidity of suitable design of simulators spring stiffness and bump rubber, the simulating brake pedal characteristic curve of simulator for feeling automobile brake pedal is very near desirable brake pedal characteristic curve in this example.
Claims (2)
1. a simulator for feeling automobile brake pedal comprises oil storage cup (1), and master brake cylinder (2) has the brake pedal (4) of pedal stroke sensor (5); It is characterized in that: between first chamber of master brake cylinder (2) and second chamber and abs valve piece (20), be connected a simulator valve piece (22).
2. a kind of simulator for feeling automobile brake pedal according to claim 1 is characterized in that: described simulator valve piece (22) comprises four electromagnetic valves (12,13,14,15), pressure sensor (8), simulator cylinder body (19); Be divided into two-way behind the pressure sensor (8) of the hydraulic oil access simulator valve piece (22) in first chamber of master brake cylinder (2), one the tunnel is connected in series the 3rd electromagnetic valve (14) is connected with abs valve piece (20), and another road is connected in series the 4th electromagnetic valve (15) and is connected with no simulator spring (17) chamber of simulator cylinder body (19); Hydraulic oil in second chamber of master brake cylinder (2) is divided into two-way after inserting simulator valve piece (22), and one the tunnel is connected in series second electromagnetic valve (13) is connected with abs valve piece (20), and another road is connected in series first electromagnetic valve (12) and is connected with oil storage cup (1); Simulator spring (17) chamber that has of simulator cylinder body (19) is connected with oil storage cup (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102147784A CN101879891B (en) | 2010-06-29 | 2010-06-29 | Simulator for feeling automobile brake pedal |
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| CN2010102147784A CN101879891B (en) | 2010-06-29 | 2010-06-29 | Simulator for feeling automobile brake pedal |
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| CN101879891A true CN101879891A (en) | 2010-11-10 |
| CN101879891B CN101879891B (en) | 2012-08-15 |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294997A (en) * | 2011-06-15 | 2011-12-28 | 浙江亚太机电股份有限公司 | Sensation simulator of automobile brake pedal |
| CN103253146A (en) * | 2013-05-09 | 2013-08-21 | 同济大学 | Pedal decoupling type electro-hydraulic composite braking system for integrated pedal displacement measurement |
| CN104271415A (en) * | 2012-03-30 | 2015-01-07 | 本田技研工业株式会社 | Stroke simulator and bush for stroke simulator |
| CN104699080A (en) * | 2015-03-27 | 2015-06-10 | 吉林大学 | Testing and calibration system of pedal feeling simulator of line controlling moving system |
| CN105015531A (en) * | 2015-02-05 | 2015-11-04 | 南京理工大学 | Brake system for vehicle and vehicle having same |
| CN107121054A (en) * | 2016-02-23 | 2017-09-01 | 舍弗勒技术股份两合公司 | The equipment that power simulation is carried out on trailer reversing element, preferably pedal force simulator |
| CN107200001A (en) * | 2017-06-05 | 2017-09-26 | 重庆大学 | HEV/EV regenerative braking control pressurer systems based on front and back wheel bi-motor |
| CN107310537A (en) * | 2017-07-22 | 2017-11-03 | 华东交通大学 | A kind of brake pedal feel simulator of differential piston structure |
| CN107472223A (en) * | 2017-08-15 | 2017-12-15 | 宁波拓普智能刹车***有限公司 | A kind of analogue means of adjustable automobiles brake pedal feel |
| CN107697043A (en) * | 2017-09-01 | 2018-02-16 | 安徽诺电动科技有限公司 | A kind of brakes of electric car |
| CN107891852A (en) * | 2017-12-18 | 2018-04-10 | 浙江力邦合信智能制动***股份有限公司 | A kind of pedal simulator |
| CN108087384A (en) * | 2017-12-25 | 2018-05-29 | 芜湖盛力科技股份有限公司 | A kind of hydraulic brake valve reliability test system and method |
| CN109204270A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN109204278A (en) * | 2018-10-15 | 2019-01-15 | 瑞立集团瑞安汽车零部件有限公司 | A kind of the intelligent brake force aid system and its working method of motor driven and ECU control |
| CN109649364A (en) * | 2018-10-15 | 2019-04-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of control unit and its control method of motor driven brake actuator |
| CN109733356A (en) * | 2018-12-28 | 2019-05-10 | 上海擎度汽车科技有限公司 | The electronic hydraulic brake system of power simulator and its composition |
| CN110228456A (en) * | 2019-06-29 | 2019-09-13 | 华南理工大学 | A kind of integral type pedal sense simulator with fail safe function |
| CN111301378A (en) * | 2020-03-05 | 2020-06-19 | 吉林大学 | Controllable drive-by-wire braking system of simulation footboard sensation |
| US10919508B2 (en) | 2019-07-10 | 2021-02-16 | Bwi (Shanghai) Co., Ltd. | Master cylinder and brake-by-wire system |
| CN112776782A (en) * | 2019-11-08 | 2021-05-11 | 比亚迪股份有限公司 | Brake-by-wire system of automobile and brake control method and device thereof |
| CN112937528A (en) * | 2021-02-04 | 2021-06-11 | 武汉元丰汽车电控***有限公司 | Electronic hydraulic brake assembly |
| CN113276811A (en) * | 2021-06-17 | 2021-08-20 | 中汽创智科技有限公司 | Pedal feel transmission control method and control system based on braking system |
| CN113306533A (en) * | 2021-06-22 | 2021-08-27 | 重庆长安汽车股份有限公司 | Pedal simulator for automobile brake-by-wire system and vehicle |
| CN114834410A (en) * | 2022-05-17 | 2022-08-02 | 南京航空航天大学 | Air spring type automobile brake pedal feeling simulator and control method |
| CN114834407A (en) * | 2022-03-28 | 2022-08-02 | 东风汽车集团股份有限公司 | Vehicle brake pedal simulation device and pedal feel adjusting method |
| CN115071653A (en) * | 2021-09-26 | 2022-09-20 | 南京理工大学紫金学院 | Vehicle pedal feel simulation control system |
| EP4101710A4 (en) * | 2020-03-09 | 2023-03-29 | Huawei Technologies Co., Ltd. | Brake system, brake method and vehicle |
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| CN102294997A (en) * | 2011-06-15 | 2011-12-28 | 浙江亚太机电股份有限公司 | Sensation simulator of automobile brake pedal |
| CN102294997B (en) * | 2011-06-15 | 2013-03-13 | 浙江亚太机电股份有限公司 | Sensation simulator of automobile brake pedal |
| CN104271415A (en) * | 2012-03-30 | 2015-01-07 | 本田技研工业株式会社 | Stroke simulator and bush for stroke simulator |
| US9878694B2 (en) | 2012-03-30 | 2018-01-30 | Honda Motor Co., Ltd. | Stroke simulator and bush for stroke simulator |
| CN104271415B (en) * | 2012-03-30 | 2016-09-28 | 本田技研工业株式会社 | Stroke simulator and the lining of stroke simulator |
| CN103253146A (en) * | 2013-05-09 | 2013-08-21 | 同济大学 | Pedal decoupling type electro-hydraulic composite braking system for integrated pedal displacement measurement |
| CN103253146B (en) * | 2013-05-09 | 2016-01-20 | 同济大学 | The pedal decoupling type Electro-hydraulic brake system that integrated pedal displacement is measured |
| CN105015531A (en) * | 2015-02-05 | 2015-11-04 | 南京理工大学 | Brake system for vehicle and vehicle having same |
| CN104699080B (en) * | 2015-03-27 | 2017-05-17 | 吉林大学 | Testing and calibration system of pedal feeling simulator of line controlling moving system |
| CN104699080A (en) * | 2015-03-27 | 2015-06-10 | 吉林大学 | Testing and calibration system of pedal feeling simulator of line controlling moving system |
| CN107121054A (en) * | 2016-02-23 | 2017-09-01 | 舍弗勒技术股份两合公司 | The equipment that power simulation is carried out on trailer reversing element, preferably pedal force simulator |
| CN107200001A (en) * | 2017-06-05 | 2017-09-26 | 重庆大学 | HEV/EV regenerative braking control pressurer systems based on front and back wheel bi-motor |
| CN109204270A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Brake pedal simulator, brake system of car and vehicle |
| CN107310537A (en) * | 2017-07-22 | 2017-11-03 | 华东交通大学 | A kind of brake pedal feel simulator of differential piston structure |
| CN107472223A (en) * | 2017-08-15 | 2017-12-15 | 宁波拓普智能刹车***有限公司 | A kind of analogue means of adjustable automobiles brake pedal feel |
| CN107697043A (en) * | 2017-09-01 | 2018-02-16 | 安徽诺电动科技有限公司 | A kind of brakes of electric car |
| CN107891852A (en) * | 2017-12-18 | 2018-04-10 | 浙江力邦合信智能制动***股份有限公司 | A kind of pedal simulator |
| CN108087384A (en) * | 2017-12-25 | 2018-05-29 | 芜湖盛力科技股份有限公司 | A kind of hydraulic brake valve reliability test system and method |
| CN109204278A (en) * | 2018-10-15 | 2019-01-15 | 瑞立集团瑞安汽车零部件有限公司 | A kind of the intelligent brake force aid system and its working method of motor driven and ECU control |
| CN109649364A (en) * | 2018-10-15 | 2019-04-19 | 瑞立集团瑞安汽车零部件有限公司 | A kind of control unit and its control method of motor driven brake actuator |
| CN109733356A (en) * | 2018-12-28 | 2019-05-10 | 上海擎度汽车科技有限公司 | The electronic hydraulic brake system of power simulator and its composition |
| CN109733356B (en) * | 2018-12-28 | 2022-06-28 | 上海擎度汽车科技有限公司 | Force simulator and electronic hydraulic brake system formed by same |
| CN110228456A (en) * | 2019-06-29 | 2019-09-13 | 华南理工大学 | A kind of integral type pedal sense simulator with fail safe function |
| US10919508B2 (en) | 2019-07-10 | 2021-02-16 | Bwi (Shanghai) Co., Ltd. | Master cylinder and brake-by-wire system |
| CN112776782A (en) * | 2019-11-08 | 2021-05-11 | 比亚迪股份有限公司 | Brake-by-wire system of automobile and brake control method and device thereof |
| CN111301378A (en) * | 2020-03-05 | 2020-06-19 | 吉林大学 | Controllable drive-by-wire braking system of simulation footboard sensation |
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