CN114670763A - Vehicle control structure - Google Patents
Vehicle control structure Download PDFInfo
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- CN114670763A CN114670763A CN202111479262.7A CN202111479262A CN114670763A CN 114670763 A CN114670763 A CN 114670763A CN 202111479262 A CN202111479262 A CN 202111479262A CN 114670763 A CN114670763 A CN 114670763A
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- 238000012986 modification Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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Abstract
The invention provides a vehicle control structure, and relates to the technical field of electronic appliances. The structure includes: the system comprises at least two vehicle integration units, a vehicle data center, an automatic driving data center and a cabin data center; the at least two vehicle integration units are connected in a ring shape; and the whole vehicle data center, the automatic driving data center and the cabin data center are all connected with at least one whole vehicle integration unit. According to the vehicle control structure provided by the embodiment of the invention, the data computing center is added with a physical framework of the vehicle integrated units, the vehicle integrated units adopt a ring network form, and the data computing center is connected with the vehicle integrated units in a double-path manner, so that communication redundancy is realized and physical support is provided for the design of a service-oriented communication structure. The vehicle control structure of the embodiment of the invention effectively ensures the safety and reliability of vehicle operation while ensuring that the vehicle can meet the quick low-delay response of various intelligent functions.
Description
Technical Field
The invention relates to the technical field of electronic appliances, in particular to a vehicle control structure.
Background
The automobile industry has evolved over the centuries from traditional mechanical-based vehicles to modern third smart mobile spaces based on electronic and electrical systems. In the rapid development of the intellectualization of the electric automobile and the almost popular days of automatic driving level, the safety and the reliability of the automobile are still the least neglected. The existing electronic and electrical frameworks are mainly distributed, a part of domain controllers are used, and in other versions, a plurality of domain controllers are used, so that once communication between the domain controllers and a gateway fails, the communication of a vehicle integrated unit under the whole domain controller is influenced. Therefore, the existing vehicle control structure cannot effectively guarantee the safety and reliability of vehicle operation while meeting the quick low-delay response of various intelligent functions.
Disclosure of Invention
The embodiment of the invention provides a vehicle control structure, which is used for solving the problem that the vehicle control structure in the prior art cannot meet the requirements of quick low-delay response of various intelligent functions and effectively ensure the safety and reliability of vehicle operation.
In order to solve the technical problem, the invention adopts the following technical scheme:
An embodiment of the present invention provides a vehicle control structure, including:
the system comprises at least two vehicle integration units, a vehicle data center, an automatic driving data center and a cabin data center;
the at least two vehicle integration units are connected in a ring shape;
and the whole vehicle data center, the automatic driving data center and the cabin data center are all connected with at least one whole vehicle integration unit.
Further, each vehicle integrated unit is connected with each other through a gigabit Ethernet;
the two whole car integrated units include:
a first vehicle integration unit, a second vehicle integration unit, a third vehicle integration unit, and a fourth vehicle integration unit.
Further, be cyclic annular connection between two at least whole car integrated unit, include:
the first end of the first vehicle integration unit is connected with the first end of the second vehicle integration unit, the second end of the second vehicle integration unit is connected with the first end of the third vehicle integration unit, the second end of the third vehicle integration unit is connected with the first end of the fourth vehicle integration unit, and the second end of the fourth vehicle integration unit is connected with the second end of the first vehicle integration unit.
Further, whole car data center, autopilot data center and passenger cabin data center all with at least one whole car integrated unit connects, includes:
the whole vehicle data center is connected with the first vehicle integrated unit and the third vehicle integrated unit through a gigabit Ethernet;
the automatic driving data center is connected with the first vehicle integrated unit through a gigabit Ethernet;
the cabin data center is connected with the first vehicle integrated unit through a gigabit Ethernet.
Further, the cabin data center is connected to the body area bus of the vehicle through a flexible data rate controller area network.
Further, a storage battery of the vehicle is connected with at least one whole vehicle integration unit through a battery manager;
and an intelligent short-circuiting device is arranged between the whole vehicle integrated unit connected with the storage battery and the storage battery.
Further, the autonomous driving data center is connected to a brake bus of the vehicle through a flexible data rate controller area network.
Further, the whole vehicle data center is connected with a chassis domain bus of the vehicle through a controller local area network.
Further, the cabin data center is connected to the infotainment domain bus of the vehicle through a controller area network.
Further, the automatic driving data center is connected with an anti-collision early warning system of the vehicle through a controller local area network.
The invention has the beneficial effects that:
according to the vehicle control structure provided by the embodiment of the invention, the data computing center is added with a physical framework of the vehicle integrated units, the vehicle integrated units adopt a ring network form, and the data computing center is connected with the vehicle integrated units in a double-path manner, so that communication redundancy is realized and physical support is provided for the design of a service-oriented communication structure. The vehicle control structure of the embodiment of the invention effectively ensures the safety and reliability of vehicle operation while ensuring that the vehicle can meet the quick low-delay response of various intelligent functions.
Drawings
Fig. 1 is a schematic configuration diagram showing a vehicle control structure according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The invention provides a vehicle control structure aiming at the problem that the vehicle control structure in the prior art cannot meet the requirements of quick low-delay response of various intelligent functions and effectively ensure the safety and reliability of vehicle operation.
An embodiment of the present invention provides a vehicle control structure, including:
at least two Vehicle Integrated Units (VIU), a Vehicle Data Center (VDC), an automatic driving Data Center (ADC), and a Cockpit Data Center (CDC);
the at least two vehicle integration units are connected in a ring shape;
and the whole vehicle data center, the automatic driving data center and the cabin data center are all connected with at least one whole vehicle integration unit.
According to the vehicle control structure provided by the embodiment of the invention, the whole vehicle integration units are connected through the annular network, the communication redundancy design is carried out on each whole vehicle integration unit, and after the communication between the two whole vehicle integration units is abnormal, the communication data between the two whole vehicle integration units can be achieved through the annular network. The whole vehicle data center, the automatic driving data center and the cabin data center are all connected with at least one whole vehicle integration unit, and communication is guaranteed through redundant communication channels after communication between the data computing center and the data computing center is abnormal.
According to the vehicle control structure provided by the embodiment of the invention, the data computing center is added with a physical framework of the vehicle integrated units, the vehicle integrated units adopt a ring network form, and the data computing center is connected with the vehicle integrated units in a double-path manner, so that communication redundancy is realized and physical support is provided for the design of a service-oriented communication structure. The vehicle control structure of the embodiment of the invention effectively ensures the safety and reliability of vehicle operation while ensuring that the vehicle can meet the quick low-delay response of various intelligent functions.
As shown in fig. 1, each of the vehicle integrated units is connected with each other through a gigabit ethernet;
the two whole car integrated units include:
a first vehicle integration unit VIU-MR, a second vehicle integration unit VIU-F, a third vehicle integration unit VIU-ML, and a fourth vehicle integration unit VIU-R.
Optionally, be annular connection between at least two whole car integrated unit, include:
the first end of the first vehicle integrated unit VIU-MR is connected with the first end of the second vehicle integrated unit VIU-F through a first gigabit Ethernet 1, the second end of the second vehicle integrated unit VIU-F is connected with the first end of the third vehicle integrated unit VIU-ML through a second gigabit Ethernet 2, the second end of the third vehicle integrated unit VIU-ML is connected with the first end of the fourth vehicle integrated unit VIU-R through a third gigabit Ethernet 3, and the second end of the fourth vehicle integrated unit VIU-R is connected with the second end of the first vehicle integrated unit VIU-MR through a fourth gigabit Ethernet 4.
In an embodiment of the present invention, if the first gigabit ethernet 1 between the first vehicle integrated unit VIU-MR and the second vehicle integrated unit VIU-F fails, and the communication between the first vehicle integrated unit VIU-MR and the second vehicle integrated unit VIU-F is abnormal, data transmission can be performed through the paths of the second gigabit ethernet 2, the third gigabit ethernet 3, and the fourth gigabit ethernet 4. The communication redundancy is provided for the vehicle control structure through the ring structure of the gigabit Ethernet, and the high safety and the high real-time performance of communication are ensured.
Optionally, the first vehicle integration unit VIU-MR is configured to collect and route first status information including a vehicle body right side door, a wheel, a brake system, and a seat;
the second vehicle integration unit is used for acquiring second state information comprising a front cabin storage battery, a vehicle lamp and a loudspeaker and performing information routing;
the third vehicle integration unit is used for acquiring third state information including a vehicle body left side door, wheels, a brake system and a seat and performing information routing;
the fourth vehicle integration unit is used for collecting fourth state information including a charging port, a back door and a back lamp and performing information routing.
According to the vehicle control structure, a master control framework network of three calculation centers and four zone controllers is adopted, the number of the zone controllers CAN be cut according to vehicle types, the calculation centers, the zone controllers and other main networks all adopt gigabit Ethernet, other sub-networks use CANFD and CAN networks according to requirements, and LIN communication is adopted in a traditional vehicle body simple function part. The safety and the reliability of the running of the vehicle are effectively guaranteed while the vehicle is guaranteed to meet the quick low-delay response of various intelligent functions.
The invention is based on the physical architecture form of three data computing centers and four area controllers, and the backbone adopts gigabit Ethernet connection. The method can realize the definition and deployment of multilayer services in the vehicle by adopting a Service Oriented Architecture (SOA) design concept, and realize the design of the SOA Service Architecture of the whole vehicle by combining local Signal-Oriented design and whole vehicle Service-Oriented design.
1) The architecture adopts a master control architecture network comprising three calculation centers and four zone controllers, the number of the zone controllers CAN be cut according to vehicle types, the calculation centers, the zone controllers and other main networks all adopt gigabit Ethernet, other sub-networks use CANFD and CAN networks according to requirements, and LIN communication is adopted in a traditional simple function part of a vehicle body. The backbone kilomega is connected with the extranet in a ring shape, multi-network-segment communication redundancy is realized, and a calculation center, area control, a chassis and the like adopt double-path redundancy communication and power supply. Two paths of power supplies are separated by the intelligent short-circuiting device, and one pressure converter is used for supplying power to the two low-voltage storage batteries.
The three data computing centers integrate the computing resources of the ECU of a related system (Electronic Control Unit) to realize the deep integration of the operation of functional software; the VDC is responsible for whole vehicle function domain control, whole vehicle program flashing and SOA service design, the CDC is responsible for cabin domain function control and SOA service design, and the ADC is responsible for intelligent driving domain function control and SOA service design.
VIU adopts regional controller to arrange at local position, realizes corresponding regional I/0 information's collection and the execution of function and information routing, VIU _ F is responsible for the information acquisition of front deck battery state, car light, loudspeaker etc., executor drive and information routing work, VIU _ MR is responsible for the information acquisition of automobile body right side annex, right side seat and executor drive and information routing work, VIU _ ML is responsible for the information acquisition of left side automobile body annex, seat etc. or executor drive and information routing work, VIU _ R is responsible for the information acquisition of charge mouth, back tail gate, back light etc. and executor drive work and information routing work.
The four regional controllers realize the abstraction of all hardware I/O according to regions, complete the atomic service conversion, transmit to the three data centers through Ethernet to call the service, and convert the traditional bus transmission function signals in the sub-networks through regional control and transmit to the computing center. The upstream computing center runs an application program directly sensed by a user, the application program calls an atomic service through a platform API (application program interface), an extended service and an application service are extended, and decoupling of the whole vehicle application software, downstream sensing and execution hardware is realized.
The service type low-voltage power supply management integrates a software module with a power supply management function into a computing center, follows SOA service software design, does not depend on a hardware platform, reduces the low-voltage wiring harness of the whole vehicle and the power consumption of the whole vehicle, and improves the power supply reliability and the electric safety.
Optionally, the whole vehicle data center, the automatic driving data center and the cabin data center are all connected with at least one whole vehicle integration unit, including:
the whole vehicle data center VDC is connected with the first vehicle integrated unit VIU-MR and the third vehicle integrated unit VIU-ML through a fifth gigabit Ethernet 5 and a sixth gigabit Ethernet 6;
the automatic driving data center ADC is connected with the first vehicle integrated unit VIU-MR through a seventh gigabit Ethernet 7;
the cabin data center CDC and the first vehicle integration unit VIU-MR are connected through an eighth gigabit ethernet 8.
Optionally, the cockpit data center is connected to the body domain bus of the vehicle through a flexible data rate controller area network CANFD.
Optionally, the storage battery of the vehicle is connected with at least one whole vehicle integration unit through a battery manager;
and an intelligent short-circuiting device is arranged between the whole vehicle integrated unit connected with the storage battery and the storage battery.
Optionally, the autonomous driving data center is connected to a brake bus of the vehicle through a flexible data rate controller area network CANFD.
Optionally, the vehicle data center is connected to a chassis domain bus of the vehicle through a controller area network CAN.
Optionally, the cabin data center is connected to an infotainment domain bus of the vehicle via a controller area network, CAN.
Optionally, the automatic driving data center is connected with an anti-collision early warning system of the vehicle through a controller area network CAN.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (10)
1. A vehicle control structure characterized by comprising:
the system comprises at least two vehicle integration units, a vehicle data center, an automatic driving data center and a cabin data center;
the at least two vehicle integration units are connected in a ring shape;
and the whole vehicle data center, the automatic driving data center and the cabin data center are all connected with at least one whole vehicle integration unit.
2. The vehicle control structure according to claim 1, characterized in that each of the vehicle integrated units is connected to each other via a gigabit ethernet;
the whole car integrated unit of at least two includes:
the vehicle integration system comprises a first vehicle integration unit, a second vehicle integration unit, a third vehicle integration unit and a fourth vehicle integration unit.
3. The vehicle control structure according to claim 2, wherein the at least two vehicle integration units are connected in a ring shape, and the vehicle control structure comprises:
the first end of the first vehicle integration unit is connected with the first end of the second vehicle integration unit, the second end of the second vehicle integration unit is connected with the first end of the third vehicle integration unit, the second end of the third vehicle integration unit is connected with the first end of the fourth vehicle integration unit, and the second end of the fourth vehicle integration unit is connected with the second end of the first vehicle integration unit.
4. The vehicle control structure of claim 2, wherein the full vehicle data center, the automatic driving data center, and the cabin data center are all connected to at least one of the full vehicle integration units, comprising:
The whole vehicle data center is connected with the first vehicle integrated unit and the third vehicle integrated unit through a gigabit Ethernet;
the automatic driving data center is connected with the first vehicle integrated unit through a gigabit Ethernet;
the cabin data center is connected with the first vehicle integrated unit through a gigabit Ethernet.
5. The vehicle control architecture of claim 1, wherein the cabin data center is connected to a body area bus of the vehicle via a flexible data rate controller area network.
6. The vehicle control structure according to claim 1, characterized in that a storage battery of the vehicle and at least one of the entire vehicle integration units are connected through a battery manager;
and an intelligent short-circuiting device is arranged between the whole vehicle integrated unit connected with the storage battery and the storage battery.
7. The vehicle control architecture of claim 1, wherein the autonomous driving data center is connected to a brake bus of the vehicle through a flexible data rate controller area network.
8. The vehicle control architecture of claim 1, wherein the full vehicle data center is connected to a chassis domain bus of the vehicle via a controller area network.
9. The vehicle control architecture of claim 1, wherein the cabin data center is connected to an infotainment domain bus of the vehicle through a controller area network.
10. The vehicle control structure of claim 1, wherein the autonomous driving data center is connected to a pre-crash warning system of the vehicle through a controller area network.
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| CN202111479262.7A CN114670763A (en) | 2021-12-06 | 2021-12-06 | Vehicle control structure |
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| CN202111479262.7A CN114670763A (en) | 2021-12-06 | 2021-12-06 | Vehicle control structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008219353A (en) * | 2007-03-02 | 2008-09-18 | Auto Network Gijutsu Kenkyusho:Kk | Network system for vehicle |
| CN111131463A (en) * | 2019-12-26 | 2020-05-08 | 北京国科天迅科技有限公司 | Vehicle-mounted Ethernet architecture compatible with TSN and introducing FC protocol |
| CN210578605U (en) * | 2019-12-10 | 2020-05-19 | 上海怿星电子科技有限公司 | Automobile electronic and electrical architecture topological structure based on zone controller |
| CN111314420A (en) * | 2020-01-16 | 2020-06-19 | 清华大学深圳国际研究生院 | Flexible vehicle-mounted network system and vehicle for intelligent driving |
| US20210235243A1 (en) * | 2019-09-12 | 2021-07-29 | Huawei Technologies Co., Ltd. | System and Method for Implementing Automobile Electronic Control Function, and Automobile |
| CN113859148A (en) * | 2021-09-09 | 2021-12-31 | 北京新能源汽车股份有限公司 | Vehicle control system and method and vehicle |
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- 2021-12-06 CN CN202111479262.7A patent/CN114670763A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008219353A (en) * | 2007-03-02 | 2008-09-18 | Auto Network Gijutsu Kenkyusho:Kk | Network system for vehicle |
| US20210235243A1 (en) * | 2019-09-12 | 2021-07-29 | Huawei Technologies Co., Ltd. | System and Method for Implementing Automobile Electronic Control Function, and Automobile |
| CN210578605U (en) * | 2019-12-10 | 2020-05-19 | 上海怿星电子科技有限公司 | Automobile electronic and electrical architecture topological structure based on zone controller |
| CN111131463A (en) * | 2019-12-26 | 2020-05-08 | 北京国科天迅科技有限公司 | Vehicle-mounted Ethernet architecture compatible with TSN and introducing FC protocol |
| CN111314420A (en) * | 2020-01-16 | 2020-06-19 | 清华大学深圳国际研究生院 | Flexible vehicle-mounted network system and vehicle for intelligent driving |
| CN113859148A (en) * | 2021-09-09 | 2021-12-31 | 北京新能源汽车股份有限公司 | Vehicle control system and method and vehicle |
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Application publication date: 20220628 |