CN112140889B - Vehicle power-on and power-off control method and vehicle - Google Patents

Vehicle power-on and power-off control method and vehicle Download PDF

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Publication number
CN112140889B
CN112140889B CN202010966325.0A CN202010966325A CN112140889B CN 112140889 B CN112140889 B CN 112140889B CN 202010966325 A CN202010966325 A CN 202010966325A CN 112140889 B CN112140889 B CN 112140889B
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power
operating system
mode
vehicle
display
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CN112140889A (en
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回姝
蔡旭
杨宇
郑红丽
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FAW Group Corp
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FAW Group Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Sources (AREA)

Abstract

The method comprises the step that a controller sends a power supply control instruction to a system-level chip in a standby mode, wherein a Linux operating system and an Android operating system are operated on the system-level chip, the power supply control instruction carries vehicle power-on information or vehicle power-off information, and the system-level chip controls the vehicle to be powered on or powered off according to the power supply control instruction. By the method, the single controller can control the plurality of operating systems, and the plurality of systems can realize interaction and information sharing among the systems in a hardware sharing mode, so that the production cost is reduced on the premise of ensuring the information transmission efficiency and realizing the functions.

Description

Vehicle power-on and power-off control method and vehicle
Technical Field
The embodiment of the application relates to a data processing technology, in particular to a vehicle power-on and power-off control method and a vehicle.
Background
In a vehicle control system, a single operating system is usually used as a main control system, and a controller performs related control on a vehicle, for example, in a vehicle power management system, a single power management system is controlled by the controller to realize related functions of the power management system. However, the implementation of a single controller controlling a single operating system for the entire vehicle results in high production costs and does not guarantee information transmission efficiency.
Disclosure of Invention
In order to solve at least one of the above technical problems, embodiments of the present application provide the following solutions.
In a first aspect, an embodiment of the present application further provides a vehicle power on and power off control method, where the method includes:
the controller sends a power control instruction to the system-on-chip in the standby mode;
the system level chip is provided with a Linux operating system and an Android operating system in operation, and the power control instruction carries vehicle power-on information or vehicle power-off information;
and the system-level chip controls the vehicle to be powered on or powered off according to the power control instruction.
In a second aspect, an embodiment of the present application further provides a vehicle, including: the vehicle power-on and power-off control method comprises a controller, a system level chip, a memory and a computer program which is stored in the memory and can run on the controller and the system level chip, wherein a Linux operating system and an Android operating system run on the system level chip, and when the controller and the system level chip execute the computer program, the vehicle power-on and power-off control method provided by the embodiment of the application is realized.
The embodiment of the application provides a vehicle power-on and power-off control method and a vehicle, and the method can include the steps that a controller sends a power supply control instruction to a system-level chip in a standby mode, wherein a Linux operating system and an Android operating system are operated on the system-level chip, the power supply control instruction carries vehicle power-on information or vehicle power-off information, and the system-level chip controls the vehicle to be powered on or powered off according to the power supply control instruction. By the method, the single controller can control the plurality of operating systems, and the plurality of systems can realize interaction and information sharing among the systems in a hardware sharing mode, so that the production cost is reduced on the premise of ensuring the information transmission efficiency and realizing the functions.
Drawings
FIG. 1 is a schematic illustration of the hard-wired connections of the various components in an embodiment of the present application;
FIG. 2 is a flow chart of a method for controlling power on and power off of a vehicle according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a vehicle according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
In addition, in the embodiments of the present application, the words "optionally" or "exemplarily" are used for indicating as examples, illustrations or explanations. Any embodiment or design described herein as "optionally" or "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the words "optionally" or "exemplarily" etc. is intended to present the relevant concepts in a concrete fashion.
For ease of understanding, some of the concepts related to the present application are illustratively presented for reference. As follows:
a System-on-a-Chip (Soc) may include a startup state, an operation state, and a shutdown state.
The startup state may include a guest Mode (Welcome Mode) and a Standby Mode (Standby Mode). In the welcome mode, the display plays a welcome video, and after a user opens a Vehicle door, an In-Vehicle Infotainment (IVI) and a Vehicle instrument display a welcome interface together.
The operating state may include an operating Mode (Operation Mode) in which the system is fully functional and Operation of various functions of the vehicle may be achieved.
The power-off state may include a standby power-off Mode (TT Mode), an energy saving Mode (energy saving Mode), and a power-off Mode (Shutdown Mode). In the standby shutdown mode, the vehicle IVI screen closes the display, and the vehicle instrument screen displays a shutdown Signal (OFF Signal).
A controller (MCU) may include a standby state, a sleep state, an awake state, and an operating state.
The Standby state includes a Standby Mode (Standby Mode). In this mode, during power-down, only a Controller Area Network (CAN) bus and an Analog-to-digital converter (Analog-to-digital converter) of the MCU operate, and other peripheral modules (e.g., Soc, Liquid Crystal Display (LCD), etc.) are powered down. The Sleep state includes a Sleep Mode (Sleep Mode) in which a wake-up CAN be performed by a CAN signal or an external wake-up interrupt.
As shown in fig. 1, the controller may be connected to the Soc through a General Purpose Input/Output (GPIO) via a hard wire, and the Soc runs two operating systems, which are a Linux operating system and an Android operating system, respectively, and the start times of the Linux operating system and the Android operating system are different.
Further, the controller can also perform transmission of control instructions with the Soc in a software communication manner.
The content in the Linux operating system can be displayed in the first display through a Low-Voltage Differential Signaling (LVDS) line, and the content in the Android operating system can be displayed in the second display through an LVDS line. Alternatively, the first display may be a vehicle instrument display, the second display may be a central control display of the vehicle, and the output display of the content displayed in the first display and the second display is controlled by the controller.
On the basis of the hard-wired connection frame, fig. 2 is a flowchart of a vehicle power-on and power-off control method provided by an embodiment of the present application, and as shown in fig. 2, the method may include the following steps:
s201, the controller sends a power control instruction to the system-on-chip in the standby mode.
In the embodiment of the present application, the power control command may carry vehicle power-ON information (e.g., Ignition ON) or vehicle power-OFF information (e.g., Ignition OFF). The vehicle power-on information is used for indicating that the vehicle enters a power-on process, and the vehicle power-off information is used for indicating that the vehicle enters the power-on process.
The controller can control the Linux operating system and the Android operating system running on the Soc to execute corresponding operations by sending a power control instruction to the Soc in the standby mode, so that the vehicle is powered on or powered off.
Illustratively, the various state transitions of the control may be as follows:
when the controller is in a working state, if a network sleep state signal and vehicle power-off information are received, the controller enters a standby state; when the controller is in a dormant state, if a power supply control instruction carrying power-on information or any CAN bus signal is received, the controller enters a standby state; when the Linux operating system enters a shutdown mode, the Soc finishes powering off and informs the controller, and the controller enters a standby state; under the standby state, if a network sleep state signal is received, the controller is switched from the standby state to the dormant state; when the controller is in a dormant state, if a signal of vehicle power-on information or any other CAN bus signal is detected, the controller enters a standby state; the controller enters a working state if receiving an Soc power-on completion signal or a signal of detecting vehicle power-on information in a standby state; and the controller enters a standby state if detecting the power-off information of the vehicle and the network sleep state signal in the working state.
And S202, controlling the vehicle to be powered on or powered off by the system-on-chip according to the power control instruction.
For example, in a case that the power control instruction carries vehicle power-on information, the implementation manner of this step may be that the Linux operating system on the Soc controls a second display to display a power-on interface according to the power control instruction, where the second display is a display correspondingly controlled by the Android operating system. Because the start time of the Linux operating system is shorter than that of the Android operating system, the Linux operating system can simultaneously light the first display and the second display to control the first display and the second display to display a start interface, for example, the first display and the second display both display a welcome picture. Meanwhile, an Android operating system on the Soc is started in a standby mode according to a power control instruction.
Under the condition that the power control instruction carries the vehicle power-off information, the implementation manner of the step may be that the Android operating system on the Soc closes the system according to the power control instruction, and sends a closing completion instruction to the Linux operating system on the Soc, and the Linux operating system on the Soc closes the system according to the closing completion instruction.
The embodiment of the application provides a vehicle power-on and power-off control method, a controller sends a power supply control instruction to a system-on chip in a standby mode, wherein a Linux operating system and an Android operating system are operated on the system-on chip, the power supply control instruction carries vehicle power-on information or vehicle power-off information, and the system-on chip controls the vehicle to be powered on or powered off according to the power supply control instruction. By the method, the single controller can control the plurality of operating systems, and the plurality of systems can realize interaction and information sharing among the systems in a hardware sharing mode, so that the production cost is reduced on the premise of ensuring the information transmission efficiency and realizing the functions.
In an example, in step S202, an implementation manner of the Linux operating system controlling the second display to display the boot interface according to the power control instruction may include: the Linux operating system on the Soc is switched to the running mode according to the power supply control instruction in the non-running mode, and controls the second display to display a starting interface;
the non-operation mode may include any one of a standby mode, a welcome mode, an energy saving mode, and a standby mode. For example, in the standby mode, the controller may send a power-on signal to the Soc through the GPIO to pull the Soc up to power on. In this way, the Linux operating system and the Android operating system running on the Soc can enter a standby mode. Within a certain preset time, if the controller does not detect a signal that the door is opened, the controller can send a corresponding instruction to control the Linux operating system to switch to a standby shutdown mode, and at the moment, a shutdown signal (OFF signal) is displayed on a display of the vehicle instrument. If the controller detects a door opening signal, the controller may send a door opening instruction to control the Linux operating system to enter the guest-greeting mode, and correspondingly, a first display controlled by the Linux operating system may display a related interface, such as playing a guest-greeting animation. Optionally, the Linux operating system may light the first display and the second display at the same time, and control the first display and the second display to display the welcome screen.
Further, if the controller does not detect a signal that the user starts the vehicle within another preset time, that is, the vehicle does not enter the power-on state, the controller controls the Linux operating system to return to the standby power-off mode again through the instruction. And in another preset time, if the controller does not receive a signal of information display of the first display controlled by the Linux operating system, controlling the Linux operating system to enter an energy-saving mode by the controller.
In any stage, if the Soc receives the power control instruction carrying the power-on information, the Linux operating system may enter an operating mode to control the second display to display the power-on interface.
It should be noted that the preset times may be the same time length or different time lengths, and a person skilled in the art may set corresponding time lengths when switching between different modes or judging according to different instructions according to actual needs, which is not distinguished in detail in the embodiment of the present application.
In an example, since the boot time of the Linux operating system is shorter than that of the Android operating system, the Android operating system enters the running mode after being started according to the power control instruction in the standby mode, and a boot completion signal can be sent to the Linux operating system, so that the Linux operating system can send a cancel display of the boot interface to the second display according to the boot completion signal, that is, withdraw the control of the boot interface of the second display, and the Android operating system controls the second display to display the content in the Android operating system. Thus, both systems on the Soc are in run mode, i.e. vehicle power up is complete. And after the vehicle is electrified, the controller enters a working state.
In an example, in step S202, an implementation manner of the Android operating system on the Soc, according to the power control instruction, to turn off the system may include: and the Android operating system is switched from the running mode to the standby mode according to the power supply control instruction, and is switched to the closing mode to close the system according to the network sleep state signal after receiving the network sleep state signal in the standby mode.
The network sleep state signal may be a signal sent by a vehicle system, and indicates that the vehicle network does not transmit any signal within a preset communication time.
In one example, in step S202, before the Linux operating system on the Soc shuts down the system according to the shutdown completion instruction, the Linux operating system may switch from the running mode to the standby shutdown mode according to the power control instruction carrying the vehicle power-off information; and in a preset time, if the Linux operating system does not receive the display instruction in the standby power-off mode, the Linux operating system is switched from the standby power-off mode to the energy-saving mode.
Optionally, after the Linux operating system shuts down the system according to the shutdown completion instruction, that is, after the Soc completes powering down, the Soc may send a power down completion instruction to the controller, and the controller switches from the operating state to the standby state according to the power down completion instruction. And if the controller receives the network sleep state signal in the standby state, switching from the standby state to the dormant state according to the network sleep state signal. At this point, the vehicle lower current trip is completed.
As shown in fig. 3, an embodiment of the present application further provides a vehicle, which may include a controller 301, a Soc302, a memory 303, an input device 304, and an output device 305; the controller may be a controller for vehicle power management, and the controller 301 and the Soc302 in the vehicle may be connected through GPIO or software communication, and connected with the memory 303, the input device 304, and the output device 305 through a bus or other means, which is exemplified in fig. 3.
The memory 303 is a computer-readable storage medium for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the power-on/off control method of the vehicle in the embodiment of the present invention. The controller 301 executes various functional applications and data processing of the vehicle by executing software programs, instructions, and modules stored in the memory 303, that is, implements the vehicle power-on and power-off control method described above.
The Soc302 runs a Linux operating system and an Android operating system, and realizes corresponding functions in the Linux operating system and the Android operating system through interaction with the controller 301, so as to realize the vehicle power-on and power-off control method.
The memory 303 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use, and the like. Further, the memory 303 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 302 may further include memory located remotely from the controller 301, which may be connected to the vehicle over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 304 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control. Output device 305 may include a display device such as a display.
From the above description of the embodiments, it is obvious for those skilled in the art that the present application can be implemented by software and necessary general hardware, and certainly can be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods described in the embodiments of the present application.
It should be noted that the modules included in the data instruction processing apparatus are merely divided according to functional logic, but are not limited to the above division manner as long as the corresponding functions can be implemented; in addition, specific names of modules such as the view module are only for convenience of distinguishing and are not used for limiting the protection scope of the present application.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims (8)

1. A vehicle power-on/off control method, characterized by comprising:
the controller sends a power control instruction to the system-on-chip in the standby mode;
the system level chip is provided with a Linux operating system and an Android operating system in operation, and the power control instruction carries vehicle power-on information or vehicle power-off information;
the system-level chip controls the vehicle to be powered on or powered off according to the power control instruction;
under the condition that the power control instruction carries vehicle power-on information, the system-on-chip controls the vehicle to be powered on according to the power control instruction, and the method comprises the following steps:
the Linux operating system on the system level chip controls a second display to display a starting interface according to the power supply control instruction, the second display is correspondingly controlled by the Android operating system, and the first display is correspondingly controlled by the Linux operating system;
the Android operating system on the system-on-chip is started in a standby mode according to the power control instruction;
under the condition that the power supply control instruction carries vehicle power-off information, the system-on-chip controls the vehicle power-off according to the power supply control instruction, and the method comprises the following steps:
the Android operating system on the system level chip closes the system according to the power control instruction, and sends a closing completion instruction to the Linux operating system on the system level chip;
and the Linux operating system on the system level chip closes the system according to the closing completion instruction.
2. The method according to claim 1, wherein the controlling, by the Linux operating system on the system on a chip, the second display to display a boot interface according to the power control command comprises:
the Linux operating system on the system level chip is switched to an operating mode according to the power supply control instruction in a non-operating mode, and a second display is controlled to display a starting interface;
the non-operation mode comprises any one of a standby mode, a welcome mode, an energy-saving mode and a standby power-off mode.
3. The method according to claim 1 or 2, wherein after the Android operating system is started, the method further comprises:
the Android operating system enters an operating mode and sends a starting completion signal to the Linux operating system;
the Linux operating system sends a startup display cancelling interface to the second display according to the startup completion signal;
and the Android operating system is switched to a running mode from the standby mode.
4. The method according to claim 1, wherein the Android operating system on the system-on-chip shuts down a system according to the power control instruction, comprising:
the Android operating system is switched from an operating mode to a standby mode according to the power supply control instruction;
and after receiving the network sleep state signal in the standby mode, the Android operating system switches to a closing mode to close the system according to the network sleep state signal.
5. The method according to claim 4, wherein before the Linux operating system on the system on chip shuts down the system according to the shutdown completion instruction, the method further comprises:
the Linux operating system is switched to a standby power-off mode from an operating mode according to the power control instruction;
and in a preset time, if the Linux operating system does not receive a display instruction in the standby power-off mode, the Linux operating system is switched from the standby power-off mode to the energy-saving mode.
6. The method of claim 1, wherein after the system-on-chip controls the vehicle to power down according to the power control command, the method further comprises:
the system-level chip sends a power-off completion instruction to the controller;
and the controller is switched to a standby state according to the power-off completion instruction.
7. The method of claim 1 or 6, further comprising:
and after receiving the network sleep state signal in the standby state, the controller is switched to the dormant state from the standby state according to the network sleep state signal.
8. A vehicle, comprising: the vehicle power-on and power-off control method comprises a controller, a system-on-chip, a memory and a computer program which is stored in the memory and can run on the controller and the system-on-chip, wherein a Linux operating system and an Android operating system run on the system-on-chip, and when the controller and the system-on-chip execute the computer program, the vehicle power-on and power-off control method according to any one of claims 1 to 7 is realized.
CN202010966325.0A 2020-09-15 2020-09-15 Vehicle power-on and power-off control method and vehicle Active CN112140889B (en)

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DE102010013569A1 (en) * 2010-03-30 2011-10-06 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Supply circuit for the electrical supply of a vehicle
JP6024106B2 (en) * 2011-12-27 2016-11-09 株式会社Ihi Transfer device and mobile vehicle
CN110386081A (en) * 2018-04-16 2019-10-29 比亚迪股份有限公司 Multimedia entertainment system, method and the vehicle of vehicle
CN111332224B (en) * 2018-12-19 2021-06-25 广州汽车集团股份有限公司 Control method and device of vehicle-mounted multimedia system
CN210324144U (en) * 2019-07-19 2020-04-14 深圳市瑞联高科通讯有限公司 Single-screen double-system switching display touch system for vehicle-mounted extension line expansion
CN110706370A (en) * 2019-09-12 2020-01-17 佛吉亚好帮手电子科技有限公司 Remote monitoring system and method for realizing dual-system mode on vehicle-mounted platform
CN110704116A (en) * 2019-09-17 2020-01-17 一汽解放汽车有限公司 Method for realizing one-machine multi-screen system based on embedded processor
CN111195919B (en) * 2019-12-13 2021-06-01 上海捷勃特机器人有限公司 Robot teaching platform and construction method thereof

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