CN208931324U - A kind of braking system with dual control independent control function - Google Patents
A kind of braking system with dual control independent control function Download PDFInfo
- Publication number
- CN208931324U CN208931324U CN201821579737.3U CN201821579737U CN208931324U CN 208931324 U CN208931324 U CN 208931324U CN 201821579737 U CN201821579737 U CN 201821579737U CN 208931324 U CN208931324 U CN 208931324U
- Authority
- CN
- China
- Prior art keywords
- control
- parking
- control unit
- brak
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a kind of braking systems with dual control independent control function, and the first brak control unit (S1) and the second brak control unit (S2) is arranged；First brak control unit (S1) and the second brak control unit (S2) are the control unit of respective complete independently parking control function.By adopting the above technical scheme, both it had been able to satisfy complete normal parking function, by way of dual independent control, in different power supplys, functional module, circuit malfunction, the braking of satisfaction safety and parking function, with high security, application process is simple, convenient and portability, is convenient for the advantages of arrangement.
Description
Technical field
The utility model belongs to the technical field of motor vehicle braking systems control.More specifically, the utility model relates to one
Kind has the braking system of dual control independent control function.
Background technique
With the gradually development of electric controlled brake system, Brake Control makes rapid progress, new parking control technology scheme
Application direction has produced the demand of dual independent control, to meet the greater security of vehicle；Meanwhile it is extensive with EPB
Using, must there are more methods to realize the promotion of the parking safety sexual function of EPB, and become new generation parking scheme must
So selection, is particularly applied to new energy vehicle, automatic driving vehicle.
But in the prior art, there are utility power failure, control brain failure, switch failures etc. for EPB electronic parking
Problem leads to entire EPB thrashing, and the technical solution of mature and feasible is also lacked for multiple independent parking braking control.
Utility model content
The utility model provides a kind of braking system with dual control independent control function, and the purpose is to improve vehicle parking
Safety.
To achieve the goals above, the technical solution that the utility model is taken are as follows:
The braking system with dual control independent control function of the utility model, it is described applied to the braking of motor vehicle
Motor vehicle is equipped with vehicle communication network, power supply；The first brak control unit and the second braking is arranged in the braking system
Control unit；First brak control unit and the second brak control unit are the control list of respective complete independently brake control function
Member.
First brak control unit and the second brak control unit passes through the first telecommunication circuit, the second communication respectively
Circuit is connect with vehicle communication network.
First brak control unit and the second brak control unit is respectively equipped with parking request module.
First brak control unit is equipped with the first control decision module, the first parking drive module and the first parking
Executing agency；The first control decision module is connect by signal line with the first telecommunication circuit and parking request module；
The first parking drive module is connected with the first control decision module, the first control device respectively by signal line
It connects；
Second brak control unit is equipped with the second control decision module, the second parking drive module and the second parking
Executing agency；The second control decision module is connect by signal line with the second telecommunication circuit and parking request module；
The second parking drive module is connected with the second control decision module, the second control device respectively by signal line
It connects；
The first control decision module, the second control decision module pass through the first telecommunication circuit, the second communication respectively
Circuit and vehicle communication network carry out location mode information exchange, for braking parking control.
The first control decision module is mutually communicated with the second control decision module by signal line；It is described
The first brak control unit, pass through the first control decision module, the second control decision module between the second brak control unit
Realize mutually communication.
First brak control unit and the second brak control unit is connect with power supply respectively.
In order to realize goal of the invention identical with above-mentioned technical proposal, the utility model, which additionally provides, above-described to be had
The control method of the braking system of dual control independent control function, technical solution is:
It, will be by the two control units point when the first brak control unit, the second brak control unit work normally
Other the first parking of independent control drive module, the second parking drive module, are independently driven by the two parking drive modules
Dynamic first control device, the second control device, realize service brake or parking braking function；
When failing during power supply supplies the first brak control unit, the second brak control unit is according to control
Logic processed drives the second control device by the second parking drive module, to realize auxiliary service brake or parking braking；
When failing during power supply supplies the second brak control unit, the first brak control unit is according to control
Logic processed drives the first control device by the first parking drive module, to realize auxiliary service brake or parking braking；
When one of the first control decision module, the first parking drive module, the first driving control device fail
When, auxiliary service brake or parking braking are executed by the second brak control unit；
When one of the second control decision module, the second parking drive module, the second driving control device fail
When, auxiliary service brake or parking braking are executed by the first brak control unit；
When parking request module, failing, pass through the first telecommunication circuit, the received whole vehicle state of the second telecommunication circuit
Information；According to vehicle demand in necessary situation, the first brak control unit, the second brak control unit are calculated by the control of setting
Method makes vehicle slowly brake stopping with certain deceleration, to realize safety auxiliary service brake or parking braking.
While the above process, executes service brake and parking braking includes the request of vehicle communication network signal, switch
Request signal, the first brak control unit, the second brak control unit execute certain braking function, are also able to achieve above-mentioned safety
Braking and parking function.
The utility model by adopting the above technical scheme, improves secure safety: the braking system of dual control independence parking function,
Wherein crucial parking solicited message, whole vehicle information interaction, control brain are arranged two sets and are completely independent, and relatively independent can run,
It is equivalent to two sets of EPB running, parking of driving a vehicle the safety is improved two orders of magnitude；It realizes portable: dual control independence parking
The braking of function can be used as two sets of EPB systems and be respectively arranged and develop；It can also be integrated in respectively in another control system, solely
It is vertical to realize respective braking function；Energy-saving effect: can be completely covered and cancel traditional P grades of parking, and vehicle does not need P grades of lockings of configuration
Mechanism mitigates complete vehicle weight, is beneficial to energy conservation emission reduction；Brake disc brake(-holder) block drags power, reduction oil consumption after can reducing.
Detailed description of the invention
Label in content and figure shown in attached drawing is briefly described as follows:
Fig. 1 is the control logic structural schematic diagram of the utility model；
In the figure, it is marked as
1, vehicle communication network；2, power supply；3, the first parking request module, the 4, second parking request module；5,
One control decision module；6, the second control decision module；7, the first parking drive module；8, the second parking drive module；9,
One control device；10, the second control device；11, the first telecommunication circuit；12, the second telecommunication circuit；S1, the first system
Dynamic control unit 1, S2, the second brak control unit.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to specific embodiment of the present utility model further detailed
Thin explanation, with help those skilled in the art to the inventive concept of the utility model, technical solution have it is more complete, accurate and
Deep understanding.
Structure as shown in Figure 1 is the braking system with dual control independent control function of the utility model, is applied to motor-driven
The parking and braking of vehicle.
Motor vehicle described in the utility model, vehicle, including but not limited to passenger car, commercial vehicle.
In Fig. 1:
Indicate signal trend；
Indicate EPB connection；
Indicate the block diagram line of composition parking control unit.
In order to overcome the drawbacks of the prior art, the goal of the invention for improving the safety of vehicle parking, the utility model are realized
The technical solution taken are as follows:
As shown in Figure 1, the first control for brake is arranged in the braking system with dual control independent control function of the utility model
Cell S 1 and the second brak control unit S2；First brak control unit S1 and the second brak control unit S2 is respectively independent
Complete the control unit of brake control function.
It can both be transported independently of each other completely between the first brak control unit S1 and the second brak control unit S2
Row, it is non-interference, meanwhile, and can be in communication with each other, realize co-ordination.
The utility model applies protection in the following manner:
1, the first brak control unit S1 and the second brak control unit S2 are in parallel, and two sets of control system units are completely independent
Operation；
2, the first brak control unit S1 and the second brak control unit S2 is separately connected the first parking drive module 7 and
Two parking drive modules 8 make two sets of drive modules that the failure mode for interfering control simultaneously not occur；
3, control logic: the first brak control unit S1 and the second brak control unit S2 both mutually monitor with vehicle it
Between working condition, meet dual control independence parking control unit real-time judge, so as to timely respond to braking and parking request；
4, from CAN network, the braking of parking request module and parking signal, the first brak control unit S1 and second
Brak control unit S2 can be responded respectively, and apply parking by above-mentioned function logic.
The beneficial effect is that:
1, secure safety: the braking system of dual control independence parking function is provided with two sets of completely self-contained parking systems
Dynamic control unit, relatively independent can run, and can control the input terminal of two sets of braking drive modules respectively, be equivalent to two sets of EPB
It is running, is increasing redundancy backup；
2, portable: the braking of dual control independence parking function can be used as two sets of EPB systems and be respectively arranged and develop, can also
To be integrated in another control system, such as body electronics systems stabilisation, car body controller, vehicle control device, electrical steering control
Device processed, safety air sac controller, battery management controller；
3, energy saving: traditional P grades of parking can be completely covered, vehicle does not need P grades of lockable mechanisms of configuration, mitigates weight, favorably
In energy-saving and emission-reduction.
1, secure safety: the braking system of dual control independence parking function, wherein crucial parking solicited message, whole vehicle information
Interaction, control brain are arranged two sets and are completely independent, and relatively independent can run, be equivalent to two sets of EPB and running, parking of driving a vehicle
The safety is improved two orders of magnitude；
2, portable: the braking of dual control independence parking function can be used as two sets of EPB systems (S1, S2 in diagram) cloth respectively
It sets and develops；It can also be integrated in respectively in another control system, it is independent to realize respective braking function；
3, energy saving: can be completely covered and cancel traditional P grades of parking, vehicle does not need P grades of lockable mechanisms of configuration, mitigates vehicle
Weight is beneficial to energy conservation emission reduction；Brake disc brake(-holder) block drags power, reduction oil consumption after can reducing.
The first brak control unit S1 and the second brak control unit S2 passes through the first telecommunication circuit 11, respectively
Two telecommunication circuits 12 are connect with vehicle communication network 1.
First telecommunication circuit 11, the second telecommunication circuit 12 are that parking decision-making module receives other network signals of vehicle
Connecting path, logic calculation and function-driven can be carried out according to the real time information of acquisition by the module parking system and realized.
Two parking braking control units receive whole vehicle state information by corresponding CAN communication circuit, stay for decision
Vehicle control for brake；The whole vehicle state information includes but is not limited to switching signal, engine signal, speed signal, accelerates letter
Number, brake signal, wheel speed signal, pressure signal, turn signal, temperature signal etc..
Specifically, the first brak control unit S1 and the second brak control unit S2 is requested with the first parking respectively
Module 3, the connection of the second parking request module 4.The signal wire of first parking request module 3 and the connection of the second parking request module 4
Lu Zhong, including whole vehicle state signal, including but not limited to parking switch signal, acceleration signal, braking distance signal, master cylinder pressure
Force signal, temperature signal.
The second parking request module 4 is the connecting path that parking decision-making module receives external request, the request packet
It includes and is not limited to EPB switch, P gear switch, network request signal.After parking decision-making module receives the signal, according to vehicle signal
The parking function that state computation is implemented.
The first brak control unit S1 is equipped with the first control decision module 5, the first parking drive module 7 and first
Control device 9；The first control decision module 5 is asked by signal line and the first telecommunication circuit 11 and the first parking
Modulus block 3 connects；The first parking drive module 7 is stayed with the first control decision module 5, first respectively by signal line
Vehicle executing agency 9 connects；
The first control decision module 5 is connect by controlling route with the first parking drive module 7；Described first
Parking drive module 7 is connect by controlling route with the first control device 9.
The second brak control unit S2 is equipped with the second control decision module 6, the second parking drive module 8 and second
Control device 10；The second control decision module 6 passes through signal line and the second telecommunication circuit 12 and the second parking
Request module 4 connects；The second parking drive module 8 by signal line respectively with the second control decision module 6, second
Control device 10 connects；
The second control decision module 6 is connect by controlling route with the second parking drive module 8；Described second
Parking drive module 8 is connect by controlling route with the second control device 10.
The first parking request module 3, the second parking request module 4 by signal line independently with the first system
Dynamic control unit S1 and the second brak control unit S2 connection.
The second parking request module 4 is not limited to a kind of parking switch, network signal.
The first control decision module 5 and the second control decision module 6 by corresponding first telecommunication circuit 11,
Second telecommunication circuit 12 receives whole vehicle state information, controls for parking braking.
The first control decision module 5 and the second control decision module 6 passes through a plurality of signal line and second respectively
The connection of 12 module of telecommunication circuit.
The control decision module passes through logic circuit with parking drive module respectively and connect.The parking drives mould
Block passes through signal line with control device respectively and connect.The parking request module passes through signal line and control decision
Module connection.The control decision module is connected with each other by signal line between the two.
The first control decision module 5 is connect with the second control decision module 6 by signal line, can be interconnected
Communication；Pass through the first control decision module 5, the between first brak control unit S1, the second brak control unit S2
Two control decision modules 6 realize mutual communication.
The first control decision module 5 and the second control decision module 6 is the core of whole system control unit
Brain is controlled, intelligent brain control, logic circuit control are not limited to.It connect and is realized between modules with each circuit module
Signal interaction, logic calculation, control.
The first parking drive module 7 and the second parking drive module 8 is that the control parking of parking decision-making module executes
The connecting path of mechanism is to drive control device and feed back the maincenter of parking process signal.
First control device 9 and the second control device 10 is two sets of completely independent mechanisms, whole
Arrangement in vehicle is set to transmission shaft or wheel side, but is not limited to transmission shaft or wheel side.Generally motor executes the mechanism braked.
Above-described signal line is the general designation of general or specialized logic circuit.
The first brak control unit S1 and the second brak control unit S2 is connect with power supply 2 respectively.
Power supply 2 is to be respectively supplied to two parking control units by the independent working power of two-way.
The braking system of the dual control independence parking function is by completely self-contained first brak control unit S1 and second
Brak control unit S2 and independent power supply 2 form, the respective function of complete independently.The power supply 2 includes two
The independent working power in road.The power supply 2 provides two-way power supply to the system of the first brak control unit S1 and second respectively
Dynamic control unit S2.
In order to realize goal of the invention identical with above-mentioned technical proposal, the utility model, which additionally provides, above-described to be had
The control method of the braking system of dual control independent control function, technical solution is:
It, will be single by the two controls when the first brak control unit S1, the second brak control unit S2 are worked normally
Member independently controls the first parking drive module 7, the second parking drive module 8, is distinguished by the two parking drive modules
Independent driving the first control device 9, the second control device 10, realize parking braking function；
Parking control request signal is received according to the first brak control unit S1, the second brak control unit S2, by the
One control decision module 5 and the second control decision module 6 are by certain logical algorithm control parking drive module；To control the
One control device 9, the second control device 10, to realize the parking braking function of safety.
The intercommunication of first brak control unit S1 and the second brak control unit S2: when the normal work of two units
When making, dual control independence parking braking system realizes global function operation.
When failing during power supply 2 supplies the first brak control unit S1, the second brak control unit S2
According to control logic, the second control device 10 is driven by the second parking drive module 8, to realize parking braking；
At this moment, the second control decision module 6 is according to control logic and algorithm, passes through the second parking drive module 8 driving the
Two control devices 10 are to realize parking and safety braking functions.
When failing during power supply 2 supplies the second brak control unit S2, the first brak control unit S1
According to control logic, the first control device 9 is driven by the first parking drive module 7, to realize parking braking；
At this moment, the first control decision module 5 is according to control logic and algorithm, passes through the first parking drive module 7 driving the
One control device 9 is to realize parking and safety braking functions.
The EPB dual control independence parking braking system of the utility model, in the case where capable of guaranteeing any element failure,
Another unit can control parking drive module driving control device and realize braking and parking:
When one of the first control decision module 5, the first parking drive module 7, first driving control device 9 are lost
When effect, the second control decision module 6 executes parking braking according to control logic algorithm, by the second brak control unit S2, with
Realize parking；
When one of the second control decision module 6, the second parking drive module 8, second driving control device 10 occur
When failure, the first control decision module 5 executes parking braking according to control logic algorithm, by the first brak control unit S1；
When the first parking request module 3, the second parking request module 4 fail, pass through the first telecommunication circuit 11,
The received whole vehicle state information of two telecommunication circuit 12, the first brak control unit S1, the second brak control unit S2 pass through setting
Control algolithm, so that vehicle is slowly braked stopping with certain deceleration, to realize safe parking braking.
At this moment, by Vehicular status signal, the first brak control unit S1, the second brak control unit S2 pass through certain
Control algolithm judges whole vehicle state, drives control device to realize parking and safety arrestment function by parking drive module
Energy.
While the above process, if vehicle communication network 1 is requested, the first brak control unit S1, the second control for brake
Cell S 2 executes certain braking function, is also able to achieve above-mentioned safety arrestment parking function.
While the above process, if the above process passes through the external request brake signal of vehicle, parking braking control is single
Member is also able to achieve the parking function of emergency safety by certain control algolithm.
The function that the utility model above-mentioned technical proposal is realized is:
1, the first brak control unit S1, the second brak control unit S2 can be sentenced by the useful signal of parking request module
It is disconnected, it executes parking and clamps release function；
2, since the first brak control unit S1, the second brak control unit S2 is arranged, it can guarantee any one list
In the case where member failure, another unit can control motor drive module driving control device, realize parking, and unilateral
One parking control unit can satisfy the ramp parking function for being greater than 8% of laws and regulations requirement；
3, the first brak control unit S1, the second brak control unit S2, can receive vehicle communication network information, execute
Carry out the service braking demands of automatic network；
4, the first brak control unit S1, the received parking request signal of the second brak control unit S2, by vehicle
The braking anti-lock function in vehicle travel process is realized in the judgement of operating status；
5, the first brak control unit S1, the second brak control unit S2 can calculate parking by the numerical value of dip angle signal
The size of clamping force, to realize reliable parking.
The utility model can solve parking security risk in the case where cancelling P grades of lockable mechanisms, guarantee parking peace
Entirely；Two units controlled by dual control independence parking braking had both improved vehicle safety, have reduced energy consumption, by replacing P gear
Latch system reduces integral vehicle cost again.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as the various unsubstantialities carried out using the method concept and technical solution of the utility model change
Into, or it is not improved the conception and technical scheme of the utility model are directly applied into other occasions, in the utility model
Protection scope within.
Claims (6)
1. a kind of braking system with dual control independent control function, applied to the braking of motor vehicle, the motor vehicle is equipped with
Vehicle communication network (1), power supply (2)；It is characterized by: the first brak control unit (S1) is arranged in the braking system
With the second brak control unit (S2)；First brak control unit (S1) and the second brak control unit (S2) are respectively independent complete
At the control unit of brake control function.
2. the braking system described in accordance with the claim 1 with dual control independent control function, it is characterised in that: described first
Brak control unit (S1) and the second brak control unit (S2) pass through the first telecommunication circuit (11), the second telecommunication circuit respectively
(12) it is connect with vehicle communication network (1).
3. the braking system described in accordance with the claim 1 with dual control independent control function, it is characterised in that: described first
Brak control unit (S1) is connect with the first parking request module (3)；Second brak control unit (S2) and the second parking are requested
Module (4) connection.
4. the braking system described in accordance with the claim 3 with dual control independent control function, it is characterised in that:
First brak control unit (S1) is equipped with the first control decision module (5), the first parking drive module (7) and the
One control device (9)；The first control decision module (5) passes through signal line and the first telecommunication circuit (11) and the
The connection of one parking request module (3)；The first parking drive module (7) by signal line respectively with the first control decision
Module (5), the first control device (9) connection；
Second brak control unit (S2) is equipped with the second control decision module (6), the second parking drive module (8) and the
Two control devices (10)；The second control decision module (6) by signal line and the second telecommunication circuit (12) and
The connection of second parking request module (4)；The second parking drive module (8) is determined with the second control respectively by signal line
Plan module (6), the second control device (10) connection；
The first control decision module (5), the second control decision module (6) pass through the first telecommunication circuit (11), the respectively
Two telecommunication circuits (12) and vehicle communication network (1) carry out location mode information exchange, for braking parking control.
5. according to claim 4 with the braking system of dual control independent control function, it is characterised in that: described first
Control decision module (5) is mutually communicated with the second control decision module (6) by signal line；The first braking control
Pass through the first control decision module (5), the second control decision module between unit (S1) processed, the second brak control unit (S2)
(6) mutually communication is realized.
6. the braking system described in accordance with the claim 1 with dual control independent control function, it is characterised in that: described first
Brak control unit (S1) and the second brak control unit (S2) are connect with power supply (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579737.3U CN208931324U (en) | 2018-09-27 | 2018-09-27 | A kind of braking system with dual control independent control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579737.3U CN208931324U (en) | 2018-09-27 | 2018-09-27 | A kind of braking system with dual control independent control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208931324U true CN208931324U (en) | 2019-06-04 |
Family
ID=66722662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821579737.3U Active CN208931324U (en) | 2018-09-27 | 2018-09-27 | A kind of braking system with dual control independent control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208931324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204281A (en) * | 2018-09-27 | 2019-01-15 | 芜湖伯特利汽车安全系统股份有限公司 | Braking system and its control method with dual control independent control function |
| CN112406842A (en) * | 2020-11-24 | 2021-02-26 | 东风汽车集团有限公司 | Modular redundancy control electronic parking brake system and brake method |
| CN113401095A (en) * | 2021-06-15 | 2021-09-17 | 中汽创智科技有限公司 | Electronic parking system, parking method, device and terminal |
| US11796052B2 (en) | 2021-08-12 | 2023-10-24 | Huawei Digital Power Technologies Co., Ltd. | Gear shifting apparatus, electric drive system, and new energy vehicle |
-
2018
- 2018-09-27 CN CN201821579737.3U patent/CN208931324U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204281A (en) * | 2018-09-27 | 2019-01-15 | 芜湖伯特利汽车安全系统股份有限公司 | Braking system and its control method with dual control independent control function |
| CN112406842A (en) * | 2020-11-24 | 2021-02-26 | 东风汽车集团有限公司 | Modular redundancy control electronic parking brake system and brake method |
| CN113401095A (en) * | 2021-06-15 | 2021-09-17 | 中汽创智科技有限公司 | Electronic parking system, parking method, device and terminal |
| US11796052B2 (en) | 2021-08-12 | 2023-10-24 | Huawei Digital Power Technologies Co., Ltd. | Gear shifting apparatus, electric drive system, and new energy vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109204281A (en) | Braking system and its control method with dual control independent control function | |
| CN208931324U (en) | A kind of braking system with dual control independent control function | |
| CN107757593A (en) | A kind of electronic parking control system and its control method with redundancy parking function | |
| CN207725389U (en) | A kind of electronic parking control system with redundancy parking function | |
| EP3628563A1 (en) | Rail train brake control system and train | |
| CN208053433U (en) | Vehicle redundant electronic braking in a turn system | |
| CN109572726B (en) | Rail transit traction braking fusion control system and method | |
| CN109878488B (en) | Hydraulic braking system of subway train | |
| CN109229081A (en) | Electronic parking system and electronic parking redundancy brake control method | |
| CN109572643B (en) | Train braking force distribution method in emergency traction mode | |
| CN208855622U (en) | A kind of redundance type electronic brake system based on electric control hydraulic braking | |
| CN109249873A (en) | A kind of automatic driving vehicle chassis system and Standby control method | |
| CN211417237U (en) | Rail vehicle electromechanical braking system | |
| CN111823881A (en) | Braking system and braking method for electric automobile | |
| CN114368372B (en) | Braking system and trolley bus | |
| CN209191847U (en) | A kind of automatic driving vehicle chassis system | |
| CN210391013U (en) | New energy automobile integrated controller and vehicle | |
| WO2023125453A1 (en) | Electric braking system based on can bus | |
| CN110194134A (en) | More compartments even hang trolleybus braking system | |
| CN110194135A (en) | Radial type rubber tire trolleybus braking system suitable for 3 to 5 section compartments | |
| CN110901569B (en) | Novel passenger car door safety system and control strategy | |
| CN106828194A (en) | The auxiliary power system and its control method of a kind of pure electric automobile | |
| CN109703370B (en) | Trusted network control power platform system of electric automobile and control method thereof | |
| CN114194161A (en) | Electric control braking system suitable for medium-weight truck | |
| CN112590745A (en) | Integrated electronic parking system for multi-axle vehicle and parking method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |