CN110884474A - Anti-parking emergency braking system, control method, storage medium and automobile - Google Patents
Anti-parking emergency braking system, control method, storage medium and automobile Download PDFInfo
- Publication number
- CN110884474A CN110884474A CN201911223682.1A CN201911223682A CN110884474A CN 110884474 A CN110884474 A CN 110884474A CN 201911223682 A CN201911223682 A CN 201911223682A CN 110884474 A CN110884474 A CN 110884474A
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- China
- Prior art keywords
- parking
- friction plate
- brake
- brake system
- vehicle speed
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Classifications
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- 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
- B60T8/58—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 responsive to speed and another condition or to plural speed conditions
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- 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
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- 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
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
Abstract
The invention discloses an anti-parking emergency braking system, a control method, a storage medium and an automobile.
Description
Technical Field
The invention relates to a vehicle parking braking system, in particular to an anti-parking emergency braking system, a control method, a storage medium and an automobile.
Background
When an existing vehicle runs, if a service brake system fails or a parking system of the vehicle is started carelessly, the parking system of the vehicle can cause serious drift of the vehicle when the vehicle running at a high speed stops, and if a driver cannot control the vehicle when the vehicle drifts, traffic accidents such as rollover and the like are likely to happen.
Disclosure of Invention
The invention mainly aims to provide an anti-parking emergency braking system, a control method, a storage medium and an automobile, and aims to solve the problem of traffic accidents such as serious drifting and even rollover of the automobile when the automobile is stopped by using a parking system of the automobile when a service braking system fails or the parking system of the automobile is started carelessly.
In order to achieve the aim, the control method of the parking emergency brake tail-flick prevention system provided by the invention comprises the following steps:
acquiring parking state and vehicle speed information;
and controlling a brake to work according to the parking state and the vehicle speed information.
Optionally, the step of controlling the brake to work according to the parking state and the vehicle speed information comprises:
judging whether the parking state and the vehicle speed information meet the brake condition for controlling the brake to work or not;
and when the parking state and the vehicle speed information meet the braking condition, controlling the brake to start.
Optionally, the parking state comprises a state with a parking instruction and a state without the parking instruction;
the braking condition comprises a parking instruction and a vehicle speed v > m, wherein m ranges from 20km/h to 25 km/h.
Alternatively, m is 20 km/h.
The invention also provides an anti-parking emergency braking system, which comprises:
the brakes are respectively arranged at the wheel ends of the automobile;
the brake motor is in driving connection with the plurality of brakes;
the signal collection module is used for collecting vehicle speed information and parking information; and the number of the first and second groups,
the controller module is electrically connected with the brakes, the brake motor and the signal collecting module, and comprises a memory, a processor and a control program of the anti-parking emergency brake system, wherein the control program of the anti-parking emergency brake system is stored in the memory and can be operated on the processor, and the control program of the anti-parking emergency brake system is configured to realize the steps of the control method of the anti-parking emergency brake system.
Optionally, the brake comprises:
the friction plate set comprises a first friction plate and a second friction plate, and the first friction plate and the second friction plate are oppositely arranged at intervals to form a clamping space;
the brake disc is clamped in the clamping space; and the number of the first and second groups,
and the transmission mechanism is used for driving and connecting the brake motor and the first friction plate and the second friction plate so as to enable the first friction plate and the second friction plate to approach or separate from each other, so as to clamp or release the brake disc.
Optionally, the transmission mechanism comprises:
the transmission part extends along the axial direction of the brake disc, is provided with external threads and is in driving connection with an output shaft of the brake motor;
the pressing pull rod extends along the axial direction of the brake disc, one end of the pressing pull rod is used for installing the first friction plate, and the other end of the pressing pull rod is installed at one end, far away from the friction plate group, of the transmission part;
the compressing push rod is arranged along the axial extension of the brake disc, a threaded hole matched with the first external thread is formed, the threaded hole is in threaded connection with the first external thread, and one end of the compressing push rod is used for installing the second friction plate.
Optionally, the transmission mechanism further comprises a connecting piece, the connecting piece is arranged between the output shaft of the brake motor and the transmission piece, and the connecting piece is connected with the transmission piece through a spline; and/or the presence of a gas in the gas,
the transmission part is provided with a limiting bulge, and the limiting bulge is abutted to one end, far away from the friction plate group, of the pressing push rod.
The invention also provides a storage medium, wherein the storage medium stores a control program of the anti-parking emergency brake system, and the control program of the anti-parking emergency brake system realizes the steps of the control method of the anti-parking emergency brake system when being executed by the processor.
The invention also provides an automobile, which is characterized by comprising an anti-parking emergency braking system, wherein the anti-parking emergency braking system is used for realizing the steps of the control method of the anti-parking emergency braking system, and the anti-parking emergency braking system comprises:
the brakes are respectively arranged at the wheel ends of the automobile;
the brake motor is in driving connection with the plurality of brakes;
the signal collection module is used for collecting vehicle speed information and parking information; and the number of the first and second groups,
the controller module is electrically connected with the brakes, the brake motor and the signal collecting module, and comprises a memory, a processor and a control program of the anti-parking emergency brake system, wherein the control program of the anti-parking emergency brake system is stored in the memory and can be operated on the processor, and the control program of the anti-parking emergency brake system is configured to realize the steps of the control method of the anti-parking emergency brake system.
According to the technical scheme provided by the invention, parking information and speed information are acquired, and the brake is controlled to work according to the acquired parking state and speed information, so that the problem of traffic accidents such as serious drifting and even rollover of the vehicle when the vehicle running at high speed is stopped by using the parking system of the vehicle when a service brake system fails or the parking system of the vehicle is started carelessly is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of an anti-park emergency brake system provided by the present invention;
FIG. 2 is a schematic diagram of a controller module of the hardware operating environment according to the embodiment of FIG. 1;
FIG. 3 is a schematic structural view of the brake of FIG. 1;
fig. 4 is a flowchart illustrating a control method of the anti-parking emergency brake system according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Parking-prevention |
1311 | |
| 1 | |
132 | |
| 11 | |
133 | |
| 111 | |
134 | Connecting |
| 112 | |
2 | |
| 12 | |
3 | |
| 13 | |
4 | |
| 131 | Transmission member |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
When an existing vehicle runs, if a service brake system fails or a parking system of the vehicle is started carelessly, the parking system of the vehicle can cause serious drift of the vehicle when the vehicle running at a high speed stops, and if a driver cannot control the vehicle when the vehicle drifts, traffic accidents such as rollover and the like are likely to happen.
Fig. 1 to 4 are schematic views of an embodiment of an anti-parking emergency braking system, a control method, a storage medium and an automobile provided by the invention.
The invention further provides an automobile, which comprises an anti-parking emergency braking system 100, please refer to fig. 1 to 3, wherein the anti-parking emergency braking system 100 comprises a plurality of brakes 1, a brake motor 2, a signal collection module 3 and a controller module 4, the plurality of brakes 1 are respectively arranged at the wheel ends of the automobile, the brake motor 2 is in driving connection with the plurality of brakes 1, the signal collection module 3 is used for collecting vehicle speed information and parking information, the controller module 4 is electrically connected with the plurality of brakes 1, the brake motor 2 and the signal collection module 3, the controller module 4 comprises a memory, a processor and a control program of the anti-parking emergency braking system, the control program of the anti-parking emergency braking system is stored in the memory and can be operated on the processor, the controller module 4 controls the brake motor 2 to work through the control program of the anti-parking emergency braking system, the brakes 1 are driven to brake the wheels correspondingly arranged, so that the vehicle is decelerated to stop, and the problem of traffic accidents such as serious drift of the vehicle and even rollover when the vehicle running at high speed stops by using the parking system of the vehicle when a service braking system fails or the parking system of the vehicle is started carelessly is solved.
The controller module 4 may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
In the controller module 4 shown in fig. 2, the anti-parking emergency brake system control program stored in the memory 1005 is called by the processor 1001, and the following operations are performed:
acquiring parking state and vehicle speed information;
and controlling a brake to work according to the parking state and the vehicle speed information.
Based on the hardware structure, the invention provides a control method of an anti-parking emergency braking system, the control method of the anti-parking emergency braking system obtains parking state and vehicle speed information through a signal collection module, and a controller module controls a brake to work according to the parking state and the vehicle speed information, so that the problem of traffic accidents such as serious tail flicking and even side turning of a vehicle caused by stopping the vehicle running at high speed by using the parking system of the vehicle when a service braking system fails or the parking system of the vehicle is started carelessly is solved.
Specifically, referring to fig. 4, the control method of the parking-prevention emergency brake system configured by the control program of the parking-prevention emergency brake system includes the steps of:
step S10, obtaining parking state and vehicle speed information;
and step S20, controlling the brake to work according to the parking state and the vehicle speed information.
The step of controlling the brake operation in step S20 based on the parking state and the vehicle speed information includes:
step S201, judging whether the parking state and the vehicle speed information meet a brake condition for controlling a brake to work;
specifically, the parking state comprises a state with a parking instruction and a state without the parking instruction, and the braking condition comprises the parking instruction and the vehicle speed v > m, wherein m ranges from 20km/h to 25 km/h.
In the technical solution of the present application, m is 20 km/h.
And S202, when the parking state and the vehicle speed information meet the braking condition, controlling the brake to start.
Specifically, in the technical solution of the present invention, when the signal collection module 3 obtains a parking instruction and does not obtain vehicle speed information, the controller module controls the brake motor 2 not to be activated, so the brake 11 is not activated. When the signal collection module 3 obtains a parking instruction and vehicle speed information, wherein the vehicle speed v is greater than 20km/h, the controller module controls the brake motor 2 to start, and the brake 11 brakes to decelerate the vehicle to stop. When the signal collection module 3 does not obtain the parking instruction and the vehicle speed information, the controller module controls the brake motor 2 not to be started, so the brake 11 is not started. When the signal collection module 3 obtains the vehicle speed information, wherein the vehicle speed v is more than 20km/h, and a parking instruction is not obtained, the controller module controls the brake motor 2 not to be started, so that the brake 11 is not started. When the signal collection module 3 obtains the vehicle speed information and the parking instruction, wherein the vehicle speed v is less than or equal to 20km/h, the controller module controls the brake motor 2 not to be started, so the brake 11 is not started. When the signal collection module 3 obtains the vehicle speed information, wherein the vehicle speed v is less than or equal to 20km/h, and a parking instruction is not obtained, the controller module controls the brake motor 2 not to be started, so the brake 11 is not started.
Specifically, referring to fig. 3, in the technical solution provided by the present invention, the brake 1 includes a friction plate set 11, a brake disc 12 and a transmission mechanism 13, the friction plate set includes a first friction plate 111 and a second friction plate 112, the first friction plate 111 and the second friction plate 112 are relatively arranged at an interval to form a clamping space, and the brake disc 12 is clamped in the clamping space, because the transmission mechanism 13 is in transmission connection with the brake motor 2 and the first friction plate 111 and the second friction plate 112, the transmission mechanism 13 enables the first friction plate 111 and the second friction plate 112 to approach or separate from each other, so as to clamp or release the brake disc 12, thereby realizing braking of the vehicle.
Further, the transmission mechanism 13 includes a transmission member 131, a pressing pull rod 132 and a pressing push rod 133, the transmission member 131 is disposed along the axial extension of the brake disc 12, the transmission member 131 is provided with an external thread and is drivingly connected to the output shaft of the brake motor 2, the pressing pull rod 132 is disposed along the axial extension of the brake disc 12, one end of the pressing pull rod 132 is provided for installing the first friction plate 111, the other end of the pressing pull rod 132 is installed at one end of the transmission member 131 far away from the friction plate set 11, the pressing push rod 133 is disposed along the axial extension of the brake disc 12, a threaded hole matched with the first external thread is formed, the threaded hole is in threaded connection with the first external thread, and one end of the pressing push rod 133 is provided for installing the second friction plate 112.
In the above implementation manner, the brake motor 2 drives the transmission member 131 to rotate, because the threaded hole is in threaded connection with the first external thread, the transmission member 131 and the pressing push rod 133 move in opposite directions along the axial direction of the brake disc 12, and because the pressing pull rod 132 is mounted to the transmission member 131, the first friction plate 111 mounted to the pressing pull rod 132 and the second friction plate 112 mounted to the pressing push rod 133 move in opposite directions, so that the first friction plate 111 and the second friction plate 112 are driven to approach or move away from each other to clamp or loosen the brake disc 12, so that the structure is simple and easy to operate.
In order to effectively connect the brake motor 2 and the transmission member 131 in a driving manner, the transmission mechanism 13 further includes a connecting member 134, the connecting member 134 is disposed between the output shaft of the brake motor 2 and the transmission member 131, wherein the connecting member 134 is connected with the transmission member 131 through a spline, and thus, the structure is simple.
In order to prevent the pressing push rod 133 from moving too far away from the friction plate set 11, the transmission piece 131 is provided with a limiting protrusion 1311, the limiting protrusion 1311 is used for abutting against one end, away from the friction plate set 11, of the pressing push rod 133, and thus, the movement stroke of the pressing push rod 133 towards the direction away from the friction plate set 11 is limited, so that the pressing push rod 133 can rapidly push the second friction plate 112 to abut against the brake disc 12 to realize braking.
It should be noted that the features of the connecting element 134 arranged between the output shaft of the braking motor 2 and the transmission element 131 and the limiting protrusion 1311 arranged on the transmission element 131 may be arranged at the same time or alternatively, and the technical effects are the same as those of the above-mentioned techniques, which are not repeated herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A control method of an anti-parking emergency brake system is characterized by comprising the following steps:
acquiring parking state and vehicle speed information;
and controlling a brake to work according to the parking state and the vehicle speed information.
2. The control method of the anti-parking emergency brake system according to claim 1, wherein the step of controlling the operation of the brake according to the parking state and the vehicle speed information comprises:
judging whether the parking state and the vehicle speed information meet the brake condition for controlling the brake to work or not;
and when the parking state and the vehicle speed information meet the braking condition, controlling the brake to start.
3. The control method of the parking-prevention emergency brake system according to claim 2, wherein the parking state includes a state with a parking command and a state without a parking command;
the braking condition comprises a parking instruction and a vehicle speed v > m, wherein m ranges from 20km/h to 25 km/h.
4. The control method of the anti-parking emergency brake system according to claim 3, wherein m is 20 km/h.
5. An anti-park emergency brake system, comprising:
the brakes are respectively arranged at the wheel ends of the automobile;
the brake motor is in driving connection with the plurality of brakes;
the signal collection module is used for collecting vehicle speed information and parking information; and the number of the first and second groups,
a controller module electrically connected to the plurality of brakes, the brake motor and the signal collecting module, and including a memory, a processor and a control program of an anti-parking emergency brake system stored in the memory and executable on the processor, the control program of the anti-parking emergency brake system being configured to implement the steps of the control method of the anti-parking emergency brake system according to any one of claims 1 to 4.
6. The anti-park emergency brake system of claim 5, wherein the brake comprises:
the friction plate set comprises a first friction plate and a second friction plate, and the first friction plate and the second friction plate are oppositely arranged at intervals to form a clamping space;
the brake disc is clamped in the clamping space; and the number of the first and second groups,
and the transmission mechanism is used for driving and connecting the brake motor and the first friction plate and the second friction plate so as to enable the first friction plate and the second friction plate to approach or separate from each other, so as to clamp or release the brake disc.
7. The anti-park emergency brake system of claim 6, wherein the transmission comprises:
the transmission part extends along the axial direction of the brake disc, is provided with external threads and is in driving connection with an output shaft of the brake motor;
the pressing pull rod extends along the axial direction of the brake disc, one end of the pressing pull rod is used for installing the first friction plate, and the other end of the pressing pull rod is installed at one end, far away from the friction plate group, of the transmission part;
the compressing push rod is arranged along the axial extension of the brake disc, a threaded hole matched with the first external thread is formed, the threaded hole is in threaded connection with the first external thread, and one end of the compressing push rod is used for installing the second friction plate.
8. The anti-park emergency brake system according to claim 7, wherein the transmission mechanism further comprises a connecting piece, the connecting piece is arranged between the brake motor output shaft and the transmission piece, and the connecting piece is connected with the transmission piece through a spline; and/or the presence of a gas in the gas,
the transmission part is provided with a limiting bulge, and the limiting bulge is abutted to one end, far away from the friction plate group, of the pressing push rod.
9. A storage medium, characterized in that the storage medium has stored thereon a control program of the anti-parking emergency brake system, which when executed by the processor implements the steps of the control method of the anti-parking emergency brake system according to any one of claims 1 to 4.
10. An automobile, characterized in that it comprises an anti-parking emergency brake system according to any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223682.1A CN110884474A (en) | 2019-11-28 | 2019-11-28 | Anti-parking emergency braking system, control method, storage medium and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911223682.1A CN110884474A (en) | 2019-11-28 | 2019-11-28 | Anti-parking emergency braking system, control method, storage medium and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN110884474A true CN110884474A (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911223682.1A Pending CN110884474A (en) | 2019-11-28 | 2019-11-28 | Anti-parking emergency braking system, control method, storage medium and automobile |
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| CN (1) | CN110884474A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012006423A (en) * | 2010-06-22 | 2012-01-12 | Akebono Brake Ind Co Ltd | Emergency brake mechanism |
| CN103863293A (en) * | 2013-08-12 | 2014-06-18 | 中国科学院合肥物质科学研究院 | Vehicle parking braking system and control method for same |
| CN105517866A (en) * | 2013-09-13 | 2016-04-20 | 罗伯特·博世有限公司 | Driver assistance system with increased reliability and availability |
| CN107697046A (en) * | 2017-09-26 | 2018-02-16 | 安徽江淮汽车集团股份有限公司 | Automatic emergency brake method and system |
| WO2019015762A1 (en) * | 2017-07-20 | 2019-01-24 | Volvo Lastvagnar Ab | Utilizing a park brake system to improve the deceleration of a vehicle in the event of failure of the service brake system |
-
2019
- 2019-11-28 CN CN201911223682.1A patent/CN110884474A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012006423A (en) * | 2010-06-22 | 2012-01-12 | Akebono Brake Ind Co Ltd | Emergency brake mechanism |
| CN103863293A (en) * | 2013-08-12 | 2014-06-18 | 中国科学院合肥物质科学研究院 | Vehicle parking braking system and control method for same |
| CN105517866A (en) * | 2013-09-13 | 2016-04-20 | 罗伯特·博世有限公司 | Driver assistance system with increased reliability and availability |
| WO2019015762A1 (en) * | 2017-07-20 | 2019-01-24 | Volvo Lastvagnar Ab | Utilizing a park brake system to improve the deceleration of a vehicle in the event of failure of the service brake system |
| CN107697046A (en) * | 2017-09-26 | 2018-02-16 | 安徽江淮汽车集团股份有限公司 | Automatic emergency brake method and system |
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Application publication date: 20200317 |