CN108639038A - A kind of double MCU control systems applied to automotive electronic parking braking - Google Patents
A kind of double MCU control systems applied to automotive electronic parking braking Download PDFInfo
- Publication number
- CN108639038A CN108639038A CN201810757846.8A CN201810757846A CN108639038A CN 108639038 A CN108639038 A CN 108639038A CN 201810757846 A CN201810757846 A CN 201810757846A CN 108639038 A CN108639038 A CN 108639038A
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- microcontroller
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- parking
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- 230000001133 acceleration Effects 0.000 claims abstract description 17
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The present invention relates to a kind of double MCU control systems applied to automotive electronic parking braking, it is characterised in that：Including microcontroller 1#, microcontroller 2#, control switched circuit, H Bridge driving circuits, parking switch circuit and double-shaft acceleration sensor；The microcontroller 1#With microcontroller 2#For the nucleus module of electronic brake control system, the microcontroller 1#With microcontroller 2#By detecting parking switch circuit and double-shaft acceleration sensor signal, control of the control switched circuit realization to parking motor is executed；Two-way MCU system is the core of the control system, it is capable of the control of independent control driving circuit realization electronic brake motor, wherein all the way after MCU controls failure, another way is can switch to continue to control, realize the redundancy backup of control system, better system backup can be obtained, realizes high security, the high reliability of system.
Description
Technical field
The present invention relates to automotive electronic parking braking control system fields, more particularly to one kind being applied to automotive electronic parking
Double MCU control systems of braking.
Background technology
Applied to double MCU control systems of automotive electronic parking braking, mainly by microcontroller 1#, microcontroller
MCU2#, control switched circuit, H-Bridge driving circuits, parking switch circuit and double-shaft acceleration sensor composition.Microcontroller
Device MCU1# 、MCU2#It is composition electronic brake system kernel control module.It is single in automobile electronic parking braking system
For MCU as mainstream control device, there are certain malfunction and failure risks, may influence the safety of automobile parking braking.This hair
It is bright because it uses double MCU to be used as control core, after single MCU failures, still the MCU of backup can be used to pass through control exchange
Circuit realizes parking braking control, can solve the problems, such as this.Originally single microcontroller is designed MCU in pairs by the present invention
The controller of redundancy greatly enhances the safety of system so that whole system is more widely applied.
Invention content
The technical problem to be solved in the present invention is to provide a kind of double MCU applied to automotive electronic parking braking to control system
System, can solve in general vehicle electronic brake system, single MCU is as mainstream control device, and there are the mistakes of certain failure
Risk is imitated, the problem of the safety of automobile parking braking may be influenced.
In order to solve the above technical problems, the technical scheme is that：A kind of pair applied to automotive electronic parking braking
MCU control systems, innovative point are：Including microcontroller 1#, microcontroller 2#, control switched circuit, H-Bridge
Driving circuit, parking switch circuit and double-shaft acceleration sensor；The microcontroller 1#With microcontroller 2#For electronics
The nucleus module of parking braking control system, the microcontroller 1#With microcontroller 2#By detecting parking switch electricity
Road and double-shaft acceleration sensor signal, by controlling control of the switched circuit execution to parking motor；
The microcontroller 1#With microcontroller 2#Parking switch circuit and double-shaft acceleration sensor letter are monitored simultaneously
Number, and the control to parking braking system motor can independently but when different be realized by control switched circuit mutually.
Further, the parking switch circuit and double-shaft acceleration sensor side are provided with and microcontroller 1#
The application-specific integrated circuit of connection, and with microcontroller 1#The storage chip of connection；The parking switch circuit and twin shaft add
The velocity sensor other side is provided with and microcontroller 2#The application-specific integrated circuit of connection, and with microcontroller 2#Even
The storage chip connect.
Further, the microcontroller 1#With microcontroller 2#It exports and the control signal of H-Bridge is carried out
Isolation processing is realized when MCU breaks down all the way for certain, can switch to control of the another way to parking braking system motor.
Further, further include that MOSFET constitutes motor driving bridge circuit, while H-Bridge being coordinated to drive in the system
Circuit realizes the control to parking braking motor.
The advantage of the invention is that：
1）This in the present invention controls conversion circuit, two-way MCU using two-way MCU system, two-way motor driving bridge module and double MCU
System is the core of the control system, it is capable of the control of independent control driving circuit realization electronic brake motor,
After wherein all the way MCU control failures, it can switch to another way and continue to control, realize the redundancy backup of control system, can obtain
High security, the high reliability of system are realized in better system backup.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structural schematic diagram of double MCU control systems applied to automotive electronic parking braking of the present invention.
Specific implementation mode
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of double MCU control systems applied to automotive electronic parking braking as shown in Figure 1, including microcontroller
MCU1#（1）, microcontroller 2#（2）, control switched circuit（3）, H-Bridge driving circuits（4）, parking switch circuit（5）
And double-shaft acceleration sensor（6）；The microcontroller 1#（1）With microcontroller 2#（2）It is controlled for electronic brake
The nucleus module of system, the microcontroller 1#（1）With microcontroller 2#（2）By detecting parking switch circuit and double
Axle acceleration sensor signal, by controlling control of the switched circuit execution to parking motor.
Microcontroller 1#（1）With microcontroller 2#（2）Monitor parking switch circuit simultaneously（5）And two-axis acceleration
Sensor（6）Signal, and control switched circuit can be passed through when independent mutually but difference（3）It realizes to parking braking system motor
Control.
Parking switch circuit（5）And double-shaft acceleration sensor（6）Side is provided with and microcontroller 1#（1）Connection
Application-specific integrated circuit（7）, and with microcontroller 1#（1）The storage chip of connection（8）；The parking switch circuit（5）
And double-shaft acceleration sensor（6）The other side is provided with and microcontroller 2#（2）The application-specific integrated circuit of connection（7）, and
With microcontroller 2#（2）The storage chip of connection（8）.
Microcontroller 1#（1）With microcontroller 2#（2）Output carries out at isolation the control signal of H-Bridge
Reason is realized when MCU breaks down all the way for certain, can switch to control of the another way to parking braking system motor.
Further include that MOSFET constitutes motor driving bridge circuit in the system（9）, while coordinating H-Bridge driving circuits（4）
Realize the control to parking braking motor.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of double MCU control systems applied to automotive electronic parking braking, it is characterised in that：Including microcontroller 1#,
Microcontroller 2#, control switched circuit, H-Bridge driving circuits, parking switch circuit and double-shaft acceleration sensor；Institute
State microcontroller 1#With microcontroller 2#For the nucleus module of electronic brake control system, the microcontroller
MCU1#With microcontroller 2#By detecting parking switch circuit and double-shaft acceleration sensor signal, electricity is exchanged by controlling
Road executes the control to parking motor；
The microcontroller 1#With microcontroller 2#Parking switch circuit and double-shaft acceleration sensor letter are monitored simultaneously
Number, and the control to parking braking system motor can independently but when different be realized by control switched circuit mutually.
2. a kind of double MCU control systems applied to automotive electronic parking braking according to claim 1, feature exist
In：The parking switch circuit and double-shaft acceleration sensor side are provided with and microcontroller 1#The special of connection integrates
Circuit, and with microcontroller 1#The storage chip of connection；The parking switch circuit and double-shaft acceleration sensor are another
Side is provided with and microcontroller 2#The application-specific integrated circuit of connection, and with microcontroller 2#The storage chip of connection.
3. a kind of double MCU control systems applied to automotive electronic parking braking according to claim 1, feature exist
In：The microcontroller 1#With microcontroller 2#Export to the control signal of H-Bridge by control switched circuit into
Row isolation processing is realized when MCU breaks down all the way for certain, can switch to control of the another way to parking braking system motor
System.
4. a kind of double MCU control systems applied to automotive electronic parking braking according to claim 1, feature exist
In：Further include that MOSFET constitutes motor driving bridge circuit, while H-Bridge driving circuits being coordinated to realize to parking in the system
The control of braking motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757846.8A CN108639038B (en) | 2018-07-11 | 2018-07-11 | Double MCU control system applied to automobile electronic parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757846.8A CN108639038B (en) | 2018-07-11 | 2018-07-11 | Double MCU control system applied to automobile electronic parking brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108639038A true CN108639038A (en) | 2018-10-12 |
| CN108639038B CN108639038B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757846.8A Active CN108639038B (en) | 2018-07-11 | 2018-07-11 | Double MCU control system applied to automobile electronic parking brake |
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| Country | Link |
|---|---|
| CN (1) | CN108639038B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228453A (en) * | 2019-06-04 | 2019-09-13 | 中国第一汽车股份有限公司 | A kind of parking control method, device and the vehicle of vehicle |
| CN110281896A (en) * | 2019-05-29 | 2019-09-27 | 浙江亚太机电股份有限公司 | The electronic control unit control system of EPB+P grades of dual control dual redundant backups |
| CN111169451A (en) * | 2018-11-12 | 2020-05-19 | 比亚迪股份有限公司 | Parking control system, control method and vehicle with parking control system |
| CN111907505A (en) * | 2020-08-07 | 2020-11-10 | 格陆博科技有限公司 | Automobile electronic parking execution controller with double-MCU redundancy design |
| WO2020246868A1 (en) * | 2019-06-07 | 2020-12-10 | 주식회사 만도 | Structure of control device in brake system |
| CN112389399A (en) * | 2019-08-16 | 2021-02-23 | 罗伯特·博世有限公司 | Electronic control unit for a motor vehicle and method for controlling a parking brake system |
| CN112622845A (en) * | 2020-12-23 | 2021-04-09 | 万向钱潮股份有限公司 | Hot standby electronic parking brake system coordination control method |
| CN113949311A (en) * | 2021-09-23 | 2022-01-18 | 东风柳州汽车有限公司 | Electronic parking backup control circuit, method, controller and automobile |
| CN117148704A (en) * | 2023-10-31 | 2023-12-01 | 格陆博科技有限公司 | Intelligent chassis domain controller with hardware full redundancy design |
| CN117734657A (en) * | 2023-12-14 | 2024-03-22 | 磐吉奥科技股份有限公司 | Parking actuator control method, system, electronic device and readable storage medium |
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| CN107757593A (en) * | 2017-09-22 | 2018-03-06 | 芜湖伯特利汽车安全***股份有限公司 | A kind of electronic parking control system and its control method with redundancy parking function |
| CN208484676U (en) * | 2018-07-11 | 2019-02-12 | 格陆博科技有限公司 | A kind of double MCU control systems applied to automotive electronic parking braking |
-
2018
- 2018-07-11 CN CN201810757846.8A patent/CN108639038B/en active Active
Patent Citations (4)
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| KR20090128716A (en) * | 2008-06-11 | 2009-12-16 | 주식회사 만도 | Electronic control unit of vehicle |
| CN102431530A (en) * | 2011-10-28 | 2012-05-02 | 吉林大学 | Intelligent parking braking and auxiliary starting control method |
| CN107757593A (en) * | 2017-09-22 | 2018-03-06 | 芜湖伯特利汽车安全***股份有限公司 | A kind of electronic parking control system and its control method with redundancy parking function |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111169451A (en) * | 2018-11-12 | 2020-05-19 | 比亚迪股份有限公司 | Parking control system, control method and vehicle with parking control system |
| CN110281896A (en) * | 2019-05-29 | 2019-09-27 | 浙江亚太机电股份有限公司 | The electronic control unit control system of EPB+P grades of dual control dual redundant backups |
| CN110228453A (en) * | 2019-06-04 | 2019-09-13 | 中国第一汽车股份有限公司 | A kind of parking control method, device and the vehicle of vehicle |
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| WO2020246868A1 (en) * | 2019-06-07 | 2020-12-10 | 주식회사 만도 | Structure of control device in brake system |
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| CN112389399A (en) * | 2019-08-16 | 2021-02-23 | 罗伯特·博世有限公司 | Electronic control unit for a motor vehicle and method for controlling a parking brake system |
| CN111907505A (en) * | 2020-08-07 | 2020-11-10 | 格陆博科技有限公司 | Automobile electronic parking execution controller with double-MCU redundancy design |
| CN112622845A (en) * | 2020-12-23 | 2021-04-09 | 万向钱潮股份有限公司 | Hot standby electronic parking brake system coordination control method |
| CN113949311A (en) * | 2021-09-23 | 2022-01-18 | 东风柳州汽车有限公司 | Electronic parking backup control circuit, method, controller and automobile |
| CN113949311B (en) * | 2021-09-23 | 2023-10-31 | 东风柳州汽车有限公司 | Electronic parking backup control circuit and method, controller and automobile |
| CN117148704A (en) * | 2023-10-31 | 2023-12-01 | 格陆博科技有限公司 | Intelligent chassis domain controller with hardware full redundancy design |
| CN117734657A (en) * | 2023-12-14 | 2024-03-22 | 磐吉奥科技股份有限公司 | Parking actuator control method, system, electronic device and readable storage medium |
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|---|---|
| CN108639038B (en) | 2024-03-15 |
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Inventor after: Liu Zhaoyong Inventor after: Wang Jun Inventor after: Gu Qindong Inventor after: Yu Zixiang Inventor before: Wang Jun Inventor before: Gu Qindong Inventor before: Yu Zixiang Inventor before: Liu Zhaoyong |
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