CN115246361A - Domain centralized automobile electronic and electric system - Google Patents
Domain centralized automobile electronic and electric system Download PDFInfo
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- CN115246361A CN115246361A CN202210984438.2A CN202210984438A CN115246361A CN 115246361 A CN115246361 A CN 115246361A CN 202210984438 A CN202210984438 A CN 202210984438A CN 115246361 A CN115246361 A CN 115246361A
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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
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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Abstract
The invention relates to a domain centralized type automobile electronic and electric system, which comprises: the system comprises a vehicle control domain controller, an automatic driving domain controller and an intelligent cabin domain controller; the automatic driving domain controller is in communication connection with each sensor on the vehicle, generates a control instruction of the whole vehicle control domain controller after fusing the received information of each sensor and sends the control instruction to the whole vehicle control domain controller; the whole vehicle control domain controller integrates all functions of a power domain, a chassis domain and a vehicle body electronic domain, after receiving a control command, carries out safety level prediction on the command, carries out safety limit on command data, and then carries out coordination control by combining a driving module, a braking module and a steering module of the intelligent line control chassis; the intelligent cabin domain controller is in communication connection with the plurality of sub-function modules through the Ethernet and is used for integrating functions of the plurality of sub-function modules. The invention can be compatible with the central drive and distributed drive configuration automobiles, and fits the development trend of current intelligent automobiles.
Description
Technical Field
The invention relates to the field of vehicle control, in particular to a domain centralized type automobile electronic and electric system.
Background
Under the current trend of software-defined vehicles and vehicle intelligentization and networking, the traditional Electronic Control Unit (ECU) based distributed Electronic Architecture (EEA) gradually exposes more problems and challenges.
Disclosure of Invention
In order to solve the problems, the invention provides a domain centralized type automobile electronic and electric system.
The specific scheme is as follows:
a domain-centralized automotive electronics-electrical system, comprising: the intelligent control system comprises a whole vehicle control domain controller, an automatic driving domain controller and an intelligent cabin domain controller, wherein each domain controller is not only an arithmetic unit, but also has a protocol conversion function of a gateway, and the three domain controllers are communicated with one another in an Ethernet mode through a central gateway;
the automatic driving domain controller is in communication connection with each sensor on the vehicle, generates a control instruction of the whole vehicle control domain controller after fusing the received information of each sensor and sends the control instruction to the whole vehicle control domain controller;
the whole vehicle control domain controller integrates all functions of a power domain, a chassis domain and a vehicle body electronic domain, after receiving a control command sent by the automatic driving domain controller, carries out safety level prediction on a command of an intelligent system, carries out safety limit value on command data, and then carries out coordination control by combining a driving module, a braking module and a steering module of the intelligent drive-by-wire chassis;
the intelligent cabin domain controller is in communication connection with the plurality of sub-function modules through the Ethernet and is used for integrating functions of the plurality of sub-function modules.
Further, the internal network of each domain controller transmits information by adopting one or more combination modes of Ethernet, CANFD, CAN and LIN according to the information quantity requirement.
Furthermore, the automatic driving domain controller comprises an auxiliary driving module and an automatic driving module.
Further, the system further comprises a cloud server and a vehicle-mounted T-BOX, the system performs vehicle information storage and remote vehicle control through a central gateway-the vehicle-mounted T-BOX-the cloud server, wherein the central gateway and the vehicle-mounted T-BOX are communicated in an Ethernet mode, and the vehicle-mounted T-BOX and the cloud server are communicated by adopting a 5G communication technology.
Further, the controller of the control domain of the whole vehicle is provided with 6 paths of CAN communication, wherein CAN1 is used for communicating with each module in the power domain, CAN 2-CAN 5 are used for communicating with each module in the chassis domain, and CAN6 is used for communicating with each module in the electronic domain of the vehicle body.
Further, the modules in the power domain include: the system comprises a battery management module, a charging module, a whole vehicle thermal management module, a high-voltage distribution module and a DC/AC electric accessory module.
Further, the modules in the chassis domain include: the system comprises a distributed driving system electronic differential control system, an all-wheel independent steering system steer-by-wire control system, an all-wheel independent braking system brake-by-wire, a brake stability and anti-lock brake control system, a transverse and longitudinal dynamic coordination control system and a redundant safety control system.
Furthermore, the modules in the electronic domain of the vehicle body comprise an upper vehicle body module and a lower vehicle body module; the lower vehicle body module is responsible for controlling electrical appliances of the chassis system, and the upper vehicle body module is responsible for controlling electrical appliances of the upper vehicle body; the internal communication networks of the upper body module and the lower body module are mutually independent.
According to the technical scheme, a plurality of small dispersed sensors are integrated into a single sensor with stronger functions, a plurality of dispersed ECUs are divided into a Domain Controller (DCU) with stronger computing capability according to functional domains, and therefore the Domain centralized automobile electronic and electric system compatible with a central driving and distributed driving configuration automobile is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a system according to an embodiment of the present invention.
Detailed Description
To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures.
The invention will now be further described with reference to the accompanying drawings and detailed description.
The first embodiment is as follows:
the embodiment of the invention provides a domain centralized type automobile electronic and electric system, as shown in figure 1, the system comprises: the intelligent control system comprises a whole vehicle control domain controller, an automatic driving domain controller and an intelligent cabin domain controller, wherein each domain controller is not only an arithmetic unit, but also has a protocol conversion function of a gateway, and the three domain controllers are communicated with each other in an Ethernet mode through a central gateway.
And the internal network of each domain controller transmits information by adopting one or more combination modes of Ethernet, CANFD, CAN, LIN and the like according to the information quantity requirement.
(1) Automatic driving area
The automatic driving domain belongs to an upper system of a vehicle and is mainly responsible for information fusion processing, vehicle positioning, path planning and decision control of multiple sensors (such as radars, cameras and the like). Through perception, planning and decision algorithm, the control instruction aiming at the whole vehicle control domain is output, and the transverse and longitudinal control of the vehicle is realized through the whole vehicle control domain.
In this embodiment, the set autopilot domain controller includes an L3-level driver assistance module and an L4-level or above autopilot module. In order to improve the utilization efficiency of the sensor equipment, the auxiliary driving module and the automatic driving module share one set of sensing system, and the processed sensor signals are subjected to resource sharing.
(2) Vehicle control domain
The whole vehicle control domain is used as an important part of the embodiment, is in communication connection with each module in the power domain, the chassis domain and the vehicle body electronic domain, integrates all functions of the power domain, the chassis domain and the vehicle body electronic domain, and can realize independent control on the full-wire control intelligent slide plate chassis, thereby realizing a mobile chassis in a real sense. And after receiving the control instruction sent by the automatic driving domain controller, the whole vehicle control domain controller controls the corresponding modules in the power domain, the chassis domain or the vehicle body electronic domain corresponding to the control instruction.
As shown in fig. 1, the vehicle control area controller has 6 paths of CAN communication, wherein CAN1 is used for communicating with each module in the power area, CAN 2-CAN 5 are used for communicating with each module in the chassis area, and CAN6 is used for communicating with each module in the vehicle body electronic area.
The module in setting the power domain in this embodiment includes: the system comprises a battery management module, a charging module, a whole vehicle heat management module (an integrated heat management scheme of a battery, a motor and an electric accessory), a high-voltage power distribution module and a DC/AC electric accessory module. The modules included in the power domain may be increased or decreased by those skilled in the art according to actual needs, and are not limited herein.
Each module in the chassis domain is used for dynamic control of the entire drive-by-wire chassis, and in this embodiment, the setting of the modules in the chassis domain includes: the system comprises a distributed driving system electronic differential control system, an all-wheel independent steering system steer-by-wire control system, an all-wheel independent braking system brake-by-wire, a brake stability and anti-lock brake control system, a transverse and longitudinal dynamic coordination control system and a redundant safety control system. The improvement of vehicle safety, stability, controllability and economy is realized through the transverse and longitudinal coordinated control, and the redundancy of motor braking force and differential control on steering control and braking control is realized through the coordinated control. In addition, the redundant safety control is realized through communication redundancy (such as CAN2, CAN3, CAN4 and CAN5 in figure 1), power redundancy, control redundancy and the like. The modules included in the power domain may be increased or decreased by those skilled in the art according to actual needs, and are not limited herein.
Each module in the electronic domain of the vehicle body is used for controlling the vehicle body, and the module in the electronic domain of the vehicle body comprises an upper vehicle body module and a lower vehicle body module; the lower vehicle body module is responsible for electrical appliance control of the chassis system, and the upper vehicle body module is responsible for electrical appliance control of the upper vehicle body. The function of quickly separating the upper car body from the lower car body can be realized through the control of the modularized car bodies separated from the upper car body and the lower car body. As in fig. 1, the upper body module includes: the system comprises a low-voltage power distribution module, a lamp control module, a tire pressure monitoring module, a friction plate wear monitoring module, a charging cabin door monitoring module and the like; the lower vehicle body module includes: the intelligent remote control system comprises an air conditioner adjusting module, a wireless receiving module, an intelligent remote control key module, a door control module, a lamp control module, an electric vehicle window module, a windscreen wiper washing module and the like. The upper vehicle body module and the lower vehicle body module carry out information interaction with a controller of a control domain of the whole vehicle through a communication network (CAN 6) on the same road, and the internal communication networks of the upper vehicle body module and the lower vehicle body module are mutually independent.
(3) Intelligent cabin domain
The intelligent cabin domain controller is in communication connection with the plurality of vehicle sub-function modules through the Ethernet, is used for integrating the functions of the plurality of sub-function modules and simultaneously ensures low delay and large flow of data transmission. The vehicle sub-function module in this embodiment includes: the system comprises a full liquid crystal instrument display system, a head-up display module, a 360-degree look-around, a large-screen central control module, an information entertainment module, a vehicle-mounted interconnection system and the like, and is responsible for audio-video entertainment, information display, vehicle-mounted interconnection and the like. The person skilled in the art can increase or decrease the sub-function modules connected with the intelligent cockpit area controller according to actual needs, which is not limited herein.
Further, the system also comprises a cloud server and a vehicle-mounted T-BOX, and the system stores vehicle information and controls remote vehicles through a central gateway, the vehicle-mounted T-BOX and the cloud server. The central gateway and the vehicle-mounted T-BOX adopt an Ethernet mode for information transmission, and the T-BOX and the cloud server adopt a 5G communication technology, so that the time delay of information transmission is reduced, and the real-time performance is enhanced. The cloud service not only comprises real-time monitoring of vehicle state information, but also comprises a remote control function and a remote upgrading function, the control instruction can be issued to any vehicle action executing mechanism through the cloud server, program remote upgrading can be carried out on any subsystem, and the real-time performance of vehicle information transmission can be greatly improved under the additional holding of an Ethernet communication mode and a 5G communication technology. In addition, in the aspect of fault diagnosis, a unified diagnosis interface based on the Ethernet is adopted for message analysis, fault diagnosis and program updating of any subsystem.
The system is not only suitable for a central-driven new energy automobile type, but also suitable for a distributed-drive new energy automobile, and particularly has strong applicability to a full-wire-control distributed-drive electric automobile.
The embodiment of the invention provides a brand-new domain centralized automobile electronic and electric system based on the current automobile development direction, fully utilizes the characteristics of software defined automobiles, low-delay communication quality, convenience of one-key remote upgrading programs, unified and standardized fault diagnosis interfaces and the like in the communication mode and the communication technology, and meets the current development trend of intelligent automobiles.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A domain centralized automotive electronics and electrical system, comprising: the intelligent control system comprises a whole vehicle control domain controller, an automatic driving domain controller and an intelligent cabin domain controller, wherein each domain controller is not only an arithmetic unit, but also has a protocol conversion function of a gateway, and the three domain controllers are communicated with one another in an Ethernet mode through a central gateway;
the automatic driving domain controller is in communication connection with each sensor on the vehicle, generates a control instruction of the whole vehicle control domain controller after fusing the received information of each sensor and sends the control instruction to the whole vehicle control domain controller;
the whole vehicle control domain controller integrates all functions of a power domain, a chassis domain and a vehicle body electronic domain, after receiving a control command sent by the automatic driving domain controller, carries out safety level prediction on a command of an intelligent system, carries out safety limit value on command data, and then carries out coordination control by combining a driving module, a braking module and a steering module of the intelligent drive-by-wire chassis;
the intelligent cabin domain controller is in communication connection with the plurality of sub-function modules through the Ethernet and is used for integrating functions of the plurality of sub-function modules.
2. The domain centralized automotive electronics and electrical system of claim 1, wherein: and the internal network of each domain controller transmits information by adopting one or more combination modes of Ethernet, CANFD, CAN and LIN according to the information quantity requirement.
3. The domain centralized automotive electronics and electrical system of claim 1, wherein: the automatic driving domain controller comprises an auxiliary driving module and an automatic driving module.
4. The domain centralized automotive electronics and electrical system of claim 1, wherein: the system further comprises a cloud server and a vehicle-mounted T-BOX, the system performs vehicle information storage and remote vehicle control through a central gateway, the vehicle-mounted T-BOX and the cloud server, the central gateway and the vehicle-mounted T-BOX are communicated in an Ethernet mode, and the vehicle-mounted T-BOX and the cloud server are communicated through a 5G communication technology.
5. The domain centralized automotive electronics and electrical system of claim 1, wherein: the controller of the control domain of the whole vehicle is provided with 6 paths of CAN communication, wherein CAN1 is used for communicating with each module in the power domain, CAN 2-CAN 5 are used for communicating with each module in the chassis domain, and CAN6 is used for communicating with each module in the electronic domain of the vehicle body.
6. The domain centralized automotive electronics and electrical system of claim 5, wherein: the modules in the power domain include: the system comprises a battery management module, a charging module, a whole vehicle thermal management module, a high-voltage power distribution module and a DC/AC electric accessory module.
7. The domain centralized automotive electronics and electrical system of claim 5, wherein: the modules in the chassis domain include: the system comprises a distributed driving system electronic differential control system, an all-wheel independent steering system steer-by-wire control system, an all-wheel independent braking system brake-by-wire, a brake stability and anti-lock brake control system, a transverse and longitudinal dynamics coordination control system and a redundancy safety control system.
8. The domain centralized automotive electronics and electrical system of claim 5, wherein: the modules in the electronic domain of the vehicle body comprise an upper vehicle body module and a lower vehicle body module; the lower vehicle body module is responsible for controlling electrical appliances of the chassis system, and the upper vehicle body module is responsible for controlling electrical appliances of the upper vehicle body; the internal communication networks of the upper body module and the lower body module are mutually independent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210984438.2A CN115246361A (en) | 2022-08-17 | 2022-08-17 | Domain centralized automobile electronic and electric system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210984438.2A CN115246361A (en) | 2022-08-17 | 2022-08-17 | Domain centralized automobile electronic and electric system |
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| CN115246361A true CN115246361A (en) | 2022-10-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116527845A (en) * | 2023-04-27 | 2023-08-01 | 中国第一汽车股份有限公司 | Vehicle video monitoring method and device, electronic equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116527845A (en) * | 2023-04-27 | 2023-08-01 | 中国第一汽车股份有限公司 | Vehicle video monitoring method and device, electronic equipment and storage medium |
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