CN-122027672-A - Vehicle control method, vehicle domain controller, vehicle and storage medium

Abstract

The application relates to the technical field of vehicle control, and discloses a vehicle control method, a vehicle domain controller, a vehicle and a storage medium, wherein the method is applied to the vehicle domain controller; the vehicle domain controller comprises an MCU, a first SOC, a second SOC and a switching chip, wherein the MCU is started in response to a power-on signal aiming at the vehicle domain controller, the switching chip is powered on and initialized, a target SOC which is required to be started currently is determined, the target SOC comprises at least one of the first SOC and the second SOC, the target SOC is controlled to be powered on, and a data channel is established after the target SOC is instructed to be powered on. The application utilizes the unique MCU to uniformly control the first SOC, the second SOC and the exchange chip, and can improve the integration level of a hardware system, thereby realizing cost reduction, and the MCU does not need to transfer or switch control rights, thereby reducing the complexity of a control strategy.

Inventors

• GUO LING

Assignees

• 广州小鹏汽车科技有限公司

Dates

Publication Date

20260512

Application Date

20260305

Claims (11)

1. 1. The vehicle control method is characterized by being applied to a vehicle domain controller, wherein the vehicle domain controller comprises an MCU, a first SOC, a second SOC and a switching chip, and the first SOC, the second SOC and the switching chip are all connected with the MCU, and the method comprises the following steps: in response to a power-on signal for the vehicle domain controller, starting the MCU; powering up and initializing the exchange chip, and determining a target SOC which is required to be started currently, wherein the target SOC comprises at least one of the first SOC and the second SOC; And controlling the target SOC to power up, and indicating the target SOC to establish a first data channel with the exchange chip after the target SOC is powered up, and/or establishing a second data channel between the target SOCs.
2. 2. The method of claim 1, wherein the vehicle domain controller further comprises a power management chip; The power management chip is connected with the MCU and is used for carrying out power management on each component in the vehicle domain controller according to the instruction of the MCU.
3. 3. The method of claim 2, wherein the activating the MCU in response to a power-on signal to the vehicle domain controller comprises: Acquiring a power-on enabling signal generated by the power management chip after receiving a power-on signal aiming at the vehicle domain controller; And responding to the power-on enabling signal, and starting the MCU.
4. 4. The method of claim 2, wherein said powering up and initializing the switching chip comprises: Sending a first power-on instruction aiming at the exchange chip to the power management chip so as to instruct the power management chip to supply power to the exchange chip; and configuring a register of the exchange chip through a communication channel between the MCU and the exchange chip.
5. 5. The method of claim 2, wherein the controlling the target SOC to power up comprises: Sending a second power-on instruction aiming at the target SOC to the power management chip; the second power-on instruction comprises a power supply configuration parameter aiming at the target SOC, and the power-on instruction is used for indicating the power supply management chip to supply power to the target SOC according to the power supply configuration parameter; and sending an enabling signal to the target SOC to indicate the target SOC to power up.
6. 6. The method according to claim 1, wherein the method further comprises: Monitoring a power-on process of the target SOC; If the heartbeat signal sent by the target SOC is detected within a first preset time corresponding to the target SOC, determining that the target SOC is powered on; If the heartbeat signal sent by the target SOC is not detected within a first preset time corresponding to the target SOC, the target SOC is controlled to be electrified again, or a first alarm message is generated.
7. 7. The method according to claim 1, wherein the method further comprises: controlling the target SOC to power down in response to a power down signal for the vehicle domain controller; After the target SOC is powered down, controlling the exchange chip to power down; And after the switching chip is powered down, controlling the MCU to power down.
8. 8. The method of claim 7, wherein the controlling the target SOC to power down comprises: Sending a power-down message to the target SOC through a communication channel between the MCU and the target SOC to instruct the target SOC to carry out data disc dropping, and feeding back a power-down completion signal to the MCU; if the power-down completion signal is received within a second preset time corresponding to the target SOC, power supply to the target SOC is disconnected; If the power-down completion signal is not received within a second preset time corresponding to the target SOC, the target SOC is subjected to forced power-off or a second alarm message is generated.
9. 9. The vehicle domain controller is characterized by comprising an MCU, a first SOC, a second SOC and an exchange chip, wherein the first SOC, the second SOC and the exchange chip are all connected with the MCU; The MCU is configured to execute the vehicle control method according to any one of claims 1 to 8.
10. 10. A vehicle comprising a vehicle domain controller as set forth in claim 9.
11. 11. A computer-readable storage medium having stored thereon computer instructions for causing a computer to execute the vehicle control method according to any one of claims 1 to 8.

Description

Vehicle control method, vehicle domain controller, vehicle and storage medium Technical Field The application relates to the technical field of vehicle control, in particular to a vehicle control method, a vehicle domain controller, a vehicle and a storage medium. Background In a domain controlled electronic and electrical architecture, the autopilot and the intelligent cockpit are designed as two different conventional domains. To ensure that domain control functions are functioning properly, autopilot and intelligent cockpit domain control are typically divided into two distinct domain controllers. The scheme of the dual-domain controller has higher cost, and part of schemes have control right exchange problems, so that control logic is complex. Disclosure of Invention In view of the above, the present application provides a vehicle control method, a vehicle domain controller, a vehicle and a storage medium, so as to solve the problems of high cost and complex control logic of the vehicle multi-domain controller. In a first aspect, the application provides a vehicle control method, which is applied to a vehicle domain controller, wherein the vehicle domain controller comprises an MCU, a first SOC, a second SOC and a switching chip, the first SOC, the second SOC and the switching chip are all connected with the MCU, and the method comprises the following steps: in response to a power-on signal for the vehicle domain controller, starting the MCU; powering up and initializing the exchange chip, and determining a target SOC which is required to be started currently, wherein the target SOC comprises at least one of the first SOC and the second SOC; And controlling the target SOC to power up, and indicating the target SOC to establish a first data channel with the exchange chip after the target SOC is powered up, and/or establishing a second data channel between the target SOCs. In some alternative embodiments, the vehicle domain controller further comprises a power management chip; The power management chip is connected with the MCU and is used for carrying out power management on each component in the vehicle domain controller according to the instruction of the MCU. In some optional embodiments, the starting the MCU in response to a power-on signal to the vehicle domain controller includes: Acquiring a power-on enabling signal generated by the power management chip after receiving a power-on signal aiming at the vehicle domain controller; And responding to the power-on enabling signal, and starting the MCU. In some optional embodiments, the powering up and initializing the switch chip includes: Sending a first power-on instruction aiming at the exchange chip to the power management chip so as to instruct the power management chip to supply power to the exchange chip; and configuring a register of the exchange chip through a communication channel between the MCU and the exchange chip. In some alternative embodiments, the controlling the target SOC to power up includes: Sending a second power-on instruction aiming at the target SOC to the power management chip; the second power-on instruction comprises a power supply configuration parameter aiming at the target SOC, and the power-on instruction is used for indicating the power supply management chip to supply power to the target SOC according to the power supply configuration parameter; and sending an enabling signal to the target SOC to indicate the target SOC to power up. In some alternative embodiments, the method further comprises: Monitoring a power-on process of the target SOC; If the heartbeat signal sent by the target SOC is detected within a first preset time corresponding to the target SOC, determining that the target SOC is powered on; If the heartbeat signal sent by the target SOC is not detected within a first preset time corresponding to the target SOC, the target SOC is controlled to be electrified again, or a first alarm message is generated. In some alternative embodiments, the method further comprises: controlling the target SOC to power down in response to a power down signal for the vehicle domain controller; After the target SOC is powered down, controlling the exchange chip to power down; And after the switching chip is powered down, controlling the MCU to power down. In some alternative embodiments, the controlling the target SOC to power down includes: Sending a power-down message to the target SOC through a communication channel between the MCU and the target SOC to instruct the target SOC to carry out data disc dropping, and feeding back a power-down completion signal to the MCU; if the power-down completion signal is received within a second preset time corresponding to the target SOC, power supply to the target SOC is disconnected; If the power-down completion signal is not received within a second preset time corresponding to the target SOC, the target SOC is subjected to forced power-off or a second alarm message is generated. In