CN102749892A - Network management method for electronic control system in parking braking of automobile - Google Patents
Network management method for electronic control system in parking braking of automobile Download PDFInfo
- Publication number
- CN102749892A CN102749892A CN2012100689918A CN201210068991A CN102749892A CN 102749892 A CN102749892 A CN 102749892A CN 2012100689918 A CN2012100689918 A CN 2012100689918A CN 201210068991 A CN201210068991 A CN 201210068991A CN 102749892 A CN102749892 A CN 102749892A
- Authority
- CN
- China
- Prior art keywords
- electronic control
- control unit
- dormancy
- node
- network management
- 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.)
- Pending
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Regulating Braking Force (AREA)
Abstract
The invention discloses a network management method for an electronic control system in parking braking of an automobile. Electronic control units are divided into a static electronic control unit and a sleep electronic control unit. The static electronic control unit stops working in parking braking the automobile, the aim of saving electric energy in parking braking of the automobile is achieved by conversion of four states of the sleep electronic control unit including sleep, awakening wait, normal operation and sleep wait. The network management method can remarkably reduce electric energy consumed by the electronic control units, reduces electric energy consumption of a storage battery, can simultaneously control the electronic control units of the whole automobile such as a power system and a chassis system, and is simple, convenient, rapid, efficient and easy to achieve.
Description
Technical field
The present invention relates to the Vehicle Electronic Control field, electronic control system network management when referring in particular to a kind of automobile parking braking.
Background technology
At present, automobile need be in running order under normal electricity in electronic control system under the situation of parking braking; And under normal electricity condition, can only electric energy be provided by accumulator; But the electric energy that accumulator can supply is limited; Therefore how to realize that the low-power consumption of electronic control system when automobile stops just becoming a very important problem, but the network management of low-power consumption when automobile parking now is mainly used in bodywork system and entertainment systems, and lacks effective management power system and chassis system; And network management is general, and what adopt is each system module of straight-forward network management, and method is comparatively loaded down with trivial details.
Chinese patent publication number CN100341283C; In open day on October 3rd, 2007, name is called and discloses a kind of automobile mounted network system central control unit in the patent of invention of " In-vehicle networking central control unit and to In-vehicle networking management, control method " and to network management and system configuration, method of diagnosing.Vehicle netbios is made up of the electronic control unit of several bands CAN interface; All nodes of central control unit and In-vehicle networking keep communicating by letter; Co-ordination; So there is the node database of system's original configuration among the central control unit CPU; Other nodes of central control unit and In-vehicle networking are through " configuration data request, reply ", and " network management request, reply " digital communication carries out alternately, realize whole In-vehicle networking is configured, diagnosis, dormancy, a series of network managements such as wakes up.But this control method is through the central control unit supervising the network, according to the physical address and the diagnosis address of the node of each electronic control unit, carries out system configuration, management and diagnosis, and is comparatively complicated loaded down with trivial details, consuming time higher on the program.
Chinese patent publication number CN101456392A; Open day on June 17th, 2009; Name is called in the patent of invention of " automobile complete vehicle electronic appliance CANBUS network control system " and discloses a kind of novel automobile complete vehicle electronic appliance CANBUS network control system, respectively is connected to the terminal resistance of two series connection in the CAN node ECU at the two ends of high-speed CAN bus; The initialization time and the bus time away from keyboard of system's each CAN node ECU of control; Node be divided into host node ,+30 nodes and+15 nodes, the CAN of all+15 nodes does not work when+15 lines power on, after+15 lines powered on, all+15 nodes were waken up; + 30 lines have electricity ,+situation that 15 lines do not power under, host node can wake up+30 node CAN buses.This system has guaranteed the high efficiency and the real-time of transmission information; Reduced the offered load rate; But the scheme that this system provides is applicable to the network management strategy in vehicle traveling process; Can only provide under the situation of electric energy by accumulator when reckoning without automobile parking, need whole network to be in low power consumpting state.
Summary of the invention
The objective of the invention is to overcome automobile electronic control system under the state of Parking in the prior art lacks the management method of low-power consumption, especially lacks shortcoming to the management method of the low-power consumption of power system, chassis system; Electronic control system network management when a kind of automobile parking braking is provided; Under the automobile parking state electronic control unit can operate as normal again can saves energy, realized the supervising the network of low-power consumption.
The objective of the invention is to be achieved through following technical proposals:
Electronic control system network management during a kind of automobile parking braking; When the motorcar electric parking braking; The electronic control unit that connects on the CAN bus is divided into static electronic control unit and dormancy electronic control unit; Wherein, the dormancy electronic control unit can be activated by the CAN bus, and the process of activation is divided into four steps:
The first step, the node of a certain dormancy electronic control unit be as host node wake-up sequence, and host node begin to send on the CAN bus wake frame up after, the timer on the CAN bus picks up counting;
In second step, node on all the other dormancy electronic control units wakes frame up as receiving from node, and the dormancy electronic control unit is in the wake-up waiting state, and the timer on the dormancy electronic control unit picks up counting;
The 3rd step; If the dormancy electronic control unit in second step is not received the application program frame in the certain hour of timer; The dormancy electronic control unit will go back to and be dormant state; If the timer in second step has been received the application program frame within a certain period of time, and this electronic control unit confirm it is that the CAN communication needs from node, this dormancy electronic control unit will transfer normal operating conditions to; If this electronic control unit confirm it is that the CAN communication is unwanted from node, this dormancy electronic control unit will transfer dormant state to.
In the 4th step, the dormancy electronic control unit is when normal operating conditions, if do not receive the application program frame within a certain period of time from node; The dormancy electronic control unit will get into the dormancy waiting status; The dormancy waiting timer picks up counting, and after timing is accomplished, the dormancy electronic control unit will get into dormant state.
Electronic control unit quits work in automobile parking state lower part; Become static electronic control unit; Like ABS anti-lock electronic control unit, air bag electronic control unit etc.; These electronic control units do not need work under the automobile parking state, so the electron-like control module stops under the automobile parking state and the getting in touch of CAN bus, practiced thrift electric energy; All the other electronic control units become the dormancy electronic control unit, are in dormant state at ordinary times, in case receive the CAN bus wake frame up after will be in the wake-up waiting state, will get into normal operating conditions after receiving the application program frame of CAN bus again; If after not receiving the application program frame for a long time; To get into the dormancy waiting status, behind certain hour, will get into dormant state, whole process is consumed power when normal operating conditions only; Under other states, do not consume or only consume electric energy seldom, reached the purpose of saves energy.
As a kind of preferred version, the timer timing in second step is 200ms, during host node in 200ms, send and wake frame up with 20ms one second periodicity.Every 20ms once sends and wakes frame up and guarantee that the dormancy electronic control unit that wakes up on the whole C AN bus all can wake up in the cycle of 200ms.
As a kind of preferred version; After the dormancy electronic control unit in the 4th step gets into the dormancy waiting status; If this dormancy electronic control unit receive the application program frame from node from the CAN bus, and this node is CAN communication needs, this dormancy electronic control unit will be got back to normal operating conditions.This process transfers the inverse process of dormancy waiting status to as normal operating conditions; Guarantee to transfer the dormancy waiting status to after the dormancy electronic control unit does not receive the application program frame within a certain period of time; This moment, the CAN bus still needed this dormancy electronic control unit to return normal operating conditions after during this period of time; Dormancy this moment electronic control unit need not transfer dormant state to, get into normal operating conditions through the wake-up waiting state again, and directly transfers normal operating conditions to from the dormancy waiting status.
As a kind of preferred version, if the dormancy electronic control unit receive the application program frame from node from the CAN bus, and this node is that the CAN communication is unwanted, described dormancy waiting timer will make zero again and pick up counting.The benefit of the method is that the CAN bus is still in communication; But be to send and oneself irrelevant application program frame; This moment, the dormancy electronic control unit remained on still that the dormancy waiting status is guaranteed if can be back to normal operating conditions fast self need carry out relevant action the time, had guaranteed the efficientibility of whole network management.
As a kind of preferred version, network management comprises special dormancy electronic control unit, special dormancy electronic control unit receive wake frame up after, special dormancy electronic control unit will directly transfer normal operating conditions to from dormant state.This type of special dormancy electronic control unit is from belt sensor; In case received the frame that wakes up of CAN bus; Special dormancy electronic control unit will directly get into normal operating conditions and start working, and the sensor that carry this moment will receive the action of sensing data control self.This type of special dormancy electronic control unit has car door locking/system for unlocking, alarm switch etc.
As a kind of preferred version, the node of arbitrary dormancy electronic control unit both can be used as host node, can be used as again from node, and the function of dormancy electronic control unit can be changed mutually.Arbitrary dormancy electronic control unit all can send when needed and wake frame up and wake the dormancy electronic control unit on the whole C AN bus up, also can be used as receiving end and receives and wake frame up, makes network management easy, quick, has practiced thrift electric energy.
As a kind of preferred version, the node of dormancy electronic control unit is as from node the time, and when the wake-up waiting state, the function of the transmission application program frame of node is closed.The method is guaranteed the application program frame that can not exist a plurality of dormancy electronic control units to send on the CAN bus, the disorder that causes The whole control system.
The invention has the beneficial effects as follows; When automobile parking braking; This network management can make the electric energy of electronic control unit consumption significantly reduce; Reduce the power consumption of accumulator, this network management can comprise that power system, chassis system all control to the electronic control unit of full car simultaneously, and easy, quick, efficient, the easy realization of network management.
Description of drawings
Fig. 1 is a kind of circuit theory synoptic diagram of the present invention.
Fig. 2 is a kind of process flow diagram of the present invention.
Wherein: 1, static electronic control unit, 2, the dormancy electronic control unit, 3, special dormancy electronic control unit, 4, sensor, 5, the CAN bus.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Embodiment: electronic control system network management during a kind of automobile parking braking of the present invention; The circuit theory synoptic diagram of its electronic control system is as shown in Figure 1, comprising: static electronic control unit 1, dormancy electronic control unit 2, special dormancy electronic control unit 3, sensor 4, CAN bus 5.CAN bus 5 connects static electronic control unit 1, dormancy electronic control unit 2 and special dormancy electronic control unit 3 simultaneously, and special dormancy electronic control unit 3 also is connected with sensor 4.Wherein, Static electronic control unit 1 comprises air bag electronic control unit, ABS anti-lock electronic control unit, engine controller electronic control unit etc., and dormancy electronic control unit 2 comprises electric parking and braking electronic control unit, combination instrument Electronic Control control module, car body controller electronic control unit etc.Special dormancy electronic control unit 3 is as a kind of classification of dormancy electronic control unit 2, and it comprises Body Control electronic control unit etc.
The flow process of electronic control system network management of the present invention is as shown in Figure 2, and when automobile parking braking, electronic control unit quits work; After this; The node of a certain dormancy electronic control unit 2 is as host node wake-up sequence, and host node begin to send on the CAN bus 5 wake frame up after, corresponding timer picks up counting; The timer timing is 200ms, wakes frame every 20ms one second periodicity transmission in 200ms up and wakes frame up; Judge whether electronic control unit is dormancy electronic control unit 2 this moment; If then the dormancy electronic unit gets into the wake-up waiting state after accepting to wake up frame; Timer on this dormancy electronic unit picks up counting; Timing is 2000ms, as not being that electronic control unit then is static electronic control unit 1, the action that wakes frame up is not made a response.Timer on the dormancy electronic unit is not received the application program frame within a certain period of time; Dormancy electronic control unit 2 will go back to and be dormant state or normal operating conditions; The prerequisite that transfers normal operating conditions to is that this dormancy electronic control unit 2 is special dormancy electronic control unit 3; Special dormancy electronic control unit 3 receives sensing datas by the sensor that carries 4, and makes according to sensing data and self to begin operate as normal; If the timer in second step has been received the application program frame within a certain period of time; And this electronic control unit confirm it is that the CAN communication needs from node; This dormancy electronic control unit 2 will transfer normal operating conditions to; If this electronic control unit confirm it is that the CAN communication is unwanted from node, this dormancy electronic control unit 2 will transfer dormant state to.Dormancy electronic control unit 2 when normal operating conditions, if sleep block do not receive the application program frame within a certain period of time from node, dormancy electronic control unit 2 will get into the dormancy waiting status; The dormancy waiting timer picks up counting; Timing time is 2000ms, and dormancy electronic control unit 2 receives the application program frame from node in the timing time scope; And this node is CAN communication needs, and this dormancy electronic control unit 2 will be got back to normal operating conditions; If this node is that the CAN communication is unwanted, described dormancy waiting timer will make zero again and pick up counting.In timing time scope 2000ms, do not receive the application program frame, dormancy electronic control unit 2 will be got back to dormant state.The node of arbitrary dormancy electronic control unit 2 promptly can be used as host node; Can be used as again from node; The function of dormancy electronic control unit 2 can be changed mutually, and the node of dormancy electronic control unit 2 is as from node the time, when the wake-up waiting state; The function of the transmission application program frame of node is closed, and guarantees the application program frame that can not exist a plurality of dormancy electronic control units 2 to send on the CAN bus 5, the disorder that causes The whole control system.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. electronic control system network management during an automobile parking braking; It is characterized in that; When the motorcar electric parking braking, CAN bus (5) goes up the electronic control unit that connects and is divided into static electronic control unit (1) and dormancy electronic control unit (2), wherein; Dormancy electronic control unit (2) can be activated by CAN bus (5), and the process of activation is divided into four steps:
The first step, the node of a certain dormancy electronic control unit (2) be as host node wake-up sequence, and host node begin to CAN bus (5) go up send wake frame up after, the timer on the CAN bus picks up counting;
In second step, node on all the other dormancy electronic control units (2) wakes frame up as receiving from node, and dormancy electronic control unit (2) is in the wake-up waiting state, and the timer on the dormancy electronic control unit (2) picks up counting;
The 3rd step; If the dormancy electronic control unit in second step is not received the application program frame in the certain hour of timer; Dormancy electronic control unit (2) will go back to and be dormant state; If the timer in second step has been received the application program frame within a certain period of time, and this electronic control unit confirm it is that the CAN communication needs from node, this dormancy electronic control unit (2) will transfer normal operating conditions to; If this electronic control unit confirm it is that the CAN communication is unwanted from node, this dormancy electronic control unit (2) will transfer dormant state to;
The 4th step; Dormancy electronic control unit (2) is when normal operating conditions; If do not receive the application program frame within a certain period of time from node, dormancy electronic control unit (2) will get into the dormancy waiting status, and the dormancy waiting timer picks up counting; After timing is accomplished, dormancy electronic control unit (2) will get into dormant state.
2. the electronic control system network management is characterized in that the timer timing in described second step is 200ms during a kind of automobile parking braking according to claim 1, during host node in 200ms, send and wake frame up with 20ms one second periodicity.
3. electronic control system network management during a kind of automobile parking braking according to claim 1; It is characterized in that; After the dormancy electronic control unit (2) in described the 4th step gets into the dormancy waiting status; If this dormancy electronic control unit (2) receive the application program frame from node from CAN bus (5), and this node is CAN communication needs, this dormancy electronic control unit (2) will be got back to normal operating conditions.
4. electronic control system network management during according to claim 1 or 3 described a kind of automobile parking brakings; It is characterized in that; If dormancy electronic control unit (2) receive the application program frame from node from CAN bus (5); And this node is that the CAN communication is unwanted, and described dormancy waiting timer will make zero again and pick up counting.
5. electronic control system network management during a kind of automobile parking braking according to claim 1; It is characterized in that; Described network management also includes special dormancy electronic control unit (3); Special dormancy electronic control unit (3) receive wake frame up after, special dormancy electronic control unit (3) will directly transfer normal operating conditions to from dormant state.
6. electronic control system network management during a kind of automobile parking braking according to claim 5; It is characterized in that; The node of arbitrary dormancy electronic control unit (2) both can be used as host node, can be used as again from node, and the function of dormancy electronic control unit (2) can be changed mutually.
7. the electronic control system network management is characterized in that during a kind of automobile parking braking according to claim 6, and the node of dormancy electronic control unit (2) is as from node the time, and when the wake-up waiting state, the function of the transmission application program frame of node is closed
Close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100689918A CN102749892A (en) | 2012-03-15 | 2012-03-15 | Network management method for electronic control system in parking braking of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100689918A CN102749892A (en) | 2012-03-15 | 2012-03-15 | Network management method for electronic control system in parking braking of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102749892A true CN102749892A (en) | 2012-10-24 |
Family
ID=47030175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100689918A Pending CN102749892A (en) | 2012-03-15 | 2012-03-15 | Network management method for electronic control system in parking braking of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102749892A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078756A (en) * | 2012-12-28 | 2013-05-01 | 长城汽车股份有限公司 | Mode switching method and CAN (Controller Area Network) |
| CN103200035A (en) * | 2013-03-29 | 2013-07-10 | 北京经纬恒润科技有限公司 | Network dormancy method, network dormancy device and electronic control unit (ECU) based on open system and the corresponding interfaces for automotive electronics (OSEK) standard |
| CN103235566A (en) * | 2013-03-29 | 2013-08-07 | 安徽江淮汽车股份有限公司 | Remote automobile monitoring system |
| CN103312548A (en) * | 2013-06-21 | 2013-09-18 | 北京经纬恒润科技有限公司 | Dormancy control method and device based on OSEK standard |
| CN104850109A (en) * | 2014-04-17 | 2015-08-19 | 北汽福田汽车股份有限公司 | Vehicle electronic system constant-electric node state switching method, network and vehicle |
| CN106020177A (en) * | 2016-07-29 | 2016-10-12 | 北京车和家信息技术有限责任公司 | Control method of electronic control unit, electronic control unit and vehicle |
| CN107493215A (en) * | 2016-12-22 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Condition control method, system and the vehicle of automobile controller |
| CN107888472A (en) * | 2017-11-20 | 2018-04-06 | 北京新能源汽车股份有限公司 | A kind of vehicle network management method, control gateway, controller and automobile |
| CN108933719A (en) * | 2018-06-21 | 2018-12-04 | 北京车和家信息技术有限公司 | Vehicle-mounted CAN network management, vehicle-mounted CAN network, vehicle |
| CN109606338A (en) * | 2018-12-05 | 2019-04-12 | 武汉科德斯汽车电子股份有限公司 | A kind of electronic brake system and the method for waking up the system under suspend mode |
| CN113438140A (en) * | 2021-05-20 | 2021-09-24 | 江铃汽车股份有限公司 | Electric automobile CAN bus control method and system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939998A (en) * | 1995-12-15 | 1999-08-17 | Ut Automotive Dearborn, Inc. | System and method for reducing quiescent current in a microcontroller |
| CN100341283C (en) * | 2005-03-24 | 2007-10-03 | 袁光辉 | On vehicle network central control unit and its managing and controlling method for on-vehicle network |
| US20080008103A1 (en) * | 2006-07-10 | 2008-01-10 | Nissan Motor Co., Ltd. | Communication network system and wakeup method for un-wakeup node |
| CN102112718A (en) * | 2008-07-30 | 2011-06-29 | 富士通天株式会社 | Fuel saving driving diagnostic equipment, in-vehicle system, drive control apparatus, and fuel saving driving diagnostic program |
| CN201989734U (en) * | 2011-02-23 | 2011-09-28 | 浙江吉利汽车研究院有限公司 | Low-power consumption car control system |
-
2012
- 2012-03-15 CN CN2012100689918A patent/CN102749892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5939998A (en) * | 1995-12-15 | 1999-08-17 | Ut Automotive Dearborn, Inc. | System and method for reducing quiescent current in a microcontroller |
| CN100341283C (en) * | 2005-03-24 | 2007-10-03 | 袁光辉 | On vehicle network central control unit and its managing and controlling method for on-vehicle network |
| US20080008103A1 (en) * | 2006-07-10 | 2008-01-10 | Nissan Motor Co., Ltd. | Communication network system and wakeup method for un-wakeup node |
| CN102112718A (en) * | 2008-07-30 | 2011-06-29 | 富士通天株式会社 | Fuel saving driving diagnostic equipment, in-vehicle system, drive control apparatus, and fuel saving driving diagnostic program |
| CN201989734U (en) * | 2011-02-23 | 2011-09-28 | 浙江吉利汽车研究院有限公司 | Low-power consumption car control system |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078756A (en) * | 2012-12-28 | 2013-05-01 | 长城汽车股份有限公司 | Mode switching method and CAN (Controller Area Network) |
| CN103200035A (en) * | 2013-03-29 | 2013-07-10 | 北京经纬恒润科技有限公司 | Network dormancy method, network dormancy device and electronic control unit (ECU) based on open system and the corresponding interfaces for automotive electronics (OSEK) standard |
| CN103235566A (en) * | 2013-03-29 | 2013-08-07 | 安徽江淮汽车股份有限公司 | Remote automobile monitoring system |
| CN103200035B (en) * | 2013-03-29 | 2016-02-17 | 北京经纬恒润科技有限公司 | Based on the net dormancy method of OSEK standard, device and ECU |
| CN103312548A (en) * | 2013-06-21 | 2013-09-18 | 北京经纬恒润科技有限公司 | Dormancy control method and device based on OSEK standard |
| CN103312548B (en) * | 2013-06-21 | 2016-03-16 | 北京经纬恒润科技有限公司 | Based on dormancy control method and the device of OSEK standard |
| CN104850109A (en) * | 2014-04-17 | 2015-08-19 | 北汽福田汽车股份有限公司 | Vehicle electronic system constant-electric node state switching method, network and vehicle |
| CN106020177A (en) * | 2016-07-29 | 2016-10-12 | 北京车和家信息技术有限责任公司 | Control method of electronic control unit, electronic control unit and vehicle |
| CN107493215A (en) * | 2016-12-22 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Condition control method, system and the vehicle of automobile controller |
| CN107888472A (en) * | 2017-11-20 | 2018-04-06 | 北京新能源汽车股份有限公司 | A kind of vehicle network management method, control gateway, controller and automobile |
| CN107888472B (en) * | 2017-11-20 | 2021-04-23 | 北京新能源汽车股份有限公司 | Vehicle network management method, control gateway, controller and automobile |
| CN108933719A (en) * | 2018-06-21 | 2018-12-04 | 北京车和家信息技术有限公司 | Vehicle-mounted CAN network management, vehicle-mounted CAN network, vehicle |
| CN108933719B (en) * | 2018-06-21 | 2021-06-04 | 北京车和家信息技术有限公司 | Vehicle-mounted CAN network management method, vehicle-mounted CAN network and vehicle |
| CN109606338A (en) * | 2018-12-05 | 2019-04-12 | 武汉科德斯汽车电子股份有限公司 | A kind of electronic brake system and the method for waking up the system under suspend mode |
| CN109606338B (en) * | 2018-12-05 | 2021-02-02 | 武汉瑞立科德斯汽车电子有限责任公司 | Electronic parking brake system and method for waking up system in sleep mode |
| CN113438140A (en) * | 2021-05-20 | 2021-09-24 | 江铃汽车股份有限公司 | Electric automobile CAN bus control method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102749892A (en) | Network management method for electronic control system in parking braking of automobile | |
| CN101700762A (en) | Electricity-saving method of vehicle-mounted CAN bus network | |
| CN103200035B (en) | Based on the net dormancy method of OSEK standard, device and ECU | |
| CN104615037B (en) | A kind of CAN bus based mobile unit Rouser and method | |
| CN201989734U (en) | Low-power consumption car control system | |
| CN105882439A (en) | Electric quantity monitoring device, navigation system and vehicle | |
| CN207937961U (en) | The dormancy awakening system of remote information processor | |
| CN102231705B (en) | Power controller area network (CAN) control method | |
| CN107415741B (en) | Control method and device for working state of vehicle-mounted charger controller and electric vehicle | |
| CN104859565A (en) | Power management circuit, method and system | |
| CN204870844U (en) | Car monitoring device and system | |
| CN207399265U (en) | A kind of onboard system control device | |
| CN202135147U (en) | Power can network system | |
| CN205930591U (en) | Normal electrified carbone controller power | |
| CN103507729B (en) | Vehicle control unit of electric vehicle power supply self-sustaining system | |
| CN203119950U (en) | Vehicle-mounted information service terminal for internet of vehicles | |
| CN105425774A (en) | Control method and apparatus of vehicle-mounted diagnostic joint and vehicle-mounted diagnostic joint | |
| CN104850109A (en) | Vehicle electronic system constant-electric node state switching method, network and vehicle | |
| CN205920369U (en) | Long electrified carbone controller power | |
| CN210721140U (en) | Simple and easy car networking terminal awakening circuit based on CPLD | |
| CN113625689B (en) | Vehicle-mounted low-power-consumption CAN (controller area network) awakening system and method thereof | |
| CN207955543U (en) | A kind of MCU module Low-power-consumptiodormancy dormancy circuit | |
| CN207758725U (en) | A kind of new-energy automobile remote monitoring terminal | |
| CN116094857A (en) | CAN wake-up circuit, domain controller and vehicle | |
| CN207731125U (en) | The two-in-one controller waken up with clock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121024 |