WO2023279950A1 - Procédé, dispositif et système de commutation de mode de conduite, procédé de détermination de relation, et véhicule - Google Patents

Procédé, dispositif et système de commutation de mode de conduite, procédé de détermination de relation, et véhicule Download PDF

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Publication number
WO2023279950A1
WO2023279950A1 PCT/CN2022/100086 CN2022100086W WO2023279950A1 WO 2023279950 A1 WO2023279950 A1 WO 2023279950A1 CN 2022100086 W CN2022100086 W CN 2022100086W WO 2023279950 A1 WO2023279950 A1 WO 2023279950A1
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WIPO (PCT)
Prior art keywords
mode
driving
terrain
driving mode
vehicle
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PCT/CN2022/100086
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English (en)
Chinese (zh)
Inventor
刘天培
牛小锋
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长城汽车股份有限公司
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Publication of WO2023279950A1 publication Critical patent/WO2023279950A1/fr

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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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
    • 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
    • B60W2756/00—Output or target parameters relating to data
    • B60W2756/10—Involving external transmission of data to or from the vehicle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the present application relates to the technical field of automobiles, and in particular to a driving mode switching method, a relationship determination method, a device, a system and a vehicle.
  • Embodiments of the present application provide a driving mode switching method, a relationship determination method, device, system, and vehicle, aiming at addressing the problems existing in the above special circumstances.
  • the embodiment of the present application provides a driving mode switching method, the method including: determining the current driving section of the vehicle;
  • the all-terrain mode includes multiple non-standard driving modes, Different driving sections correspond to different non-standard driving modes;
  • the current driving section of the vehicle is switched from the current driving mode to the target non-standard driving mode.
  • the method also includes:
  • the moment when the all-terrain system switch is triggered is determined as the first moment
  • the current driving mode is switched to the target non-standard driving mode on the current driving section of the vehicle.
  • the method also includes:
  • the vehicle yaw rate value is greater than the vehicle yaw rate threshold, and the vehicle yaw rate response time is greater than the vehicle yaw rate response time threshold, it is determined that the dynamic flag of the current driving section is activated, and the The current driving section and the dynamic mark are uploaded to the cloud platform;
  • the driving section is determined as a dynamic section.
  • switching the current driving mode to the target non-standard driving mode on the current driving section of the vehicle includes:
  • the current driving section of the vehicle is a dynamic section and the all-terrain system switch for switching the all-terrain mode is not triggered, switch the current driving mode to a sports mode on the current driving section of the vehicle;
  • the method also includes:
  • the current driving section of the vehicle is the dynamic section and the all-terrain system switch for switching the all-terrain mode is triggered, the user is prompted to switch the current driving mode to the sports mode on the dynamic section.
  • the method also includes:
  • the driving mode currently corresponding to the all-terrain system switch is a non-standard driving mode and the operating time of the driving mode currently corresponding to the all-terrain system switch is greater than a first preset time threshold
  • the current driving section and the The current corresponding driving mode of the all-terrain system switch is uploaded to the cloud platform, so that the cloud platform can establish the relationship between the driving section and the non-standard driving mode under the all-terrain mode by collecting different vehicles.
  • an embodiment of the present application provides a method for determining a relationship, the method including:
  • the number of times different vehicles are actively switched to non-standard driving modes through the all-terrain switch on the same driving section is collected, including:
  • the driving section and the driving mode currently corresponding to the all-terrain system switch are determined by the vehicle at the current time of the all-terrain system switch Upload when the corresponding driving mode is a non-standard driving mode and the running time of the driving mode corresponding to the all-terrain system switch is greater than the first preset time threshold;
  • the number of times the same driving section is actively switched to a non-standard driving mode through the all-terrain switch is counted.
  • an embodiment of the present application provides a driving mode switching device, the device comprising:
  • the first determining module used to determine the current driving section of the vehicle
  • the second determining module used to determine the target non-standard driving mode corresponding to the current driving section of the vehicle according to the relationship between the predetermined driving section and the non-standard driving mode under the all-terrain mode, the all-terrain mode includes A variety of non-standard driving modes, different driving modes correspond to different driving sections;
  • the switching module is configured to switch the current driving mode to the target non-standard driving mode in the current driving section of the vehicle when the all-terrain system switch for switching the all-terrain mode is not triggered.
  • a driving mode switching system is proposed, and the system includes:
  • a vehicle controller connected to the all-terrain system switch, the vehicle controller is used to execute the driving mode switching method described in the first aspect of the present application;
  • the fifth aspect of the embodiment of the present application provides a vehicle, including the driving mode switching system provided in the fourth aspect of the embodiment of the present application or the driving mode switching device provided in the third aspect.
  • the driving mode switching method, relationship determination method, device, system, and vehicle described in this application have the following advantages:
  • the current driving section of the vehicle is determined, and according to the predetermined driving section and the full
  • the relationship between the non-standard driving modes under the terrain mode determines the target non-standard driving mode corresponding to the current driving section of the vehicle.
  • the all-terrain mode includes a variety of non-standard driving modes, and different driving sections correspond to different non-standard driving modes.
  • the standard driving mode if the all-terrain system switch for switching the all-terrain mode is not triggered, switch the current driving mode of the vehicle to the target non-standard driving mode for the current driving route.
  • the cloud platform summarizes user habits, thereby helping inexperienced drivers choose the correct mode, improving the driving experience of inexperienced drivers and improving driving safety. And the correct driving mode is adopted to improve the passability of the model and reduce the damage to the vehicle during driving.
  • FIG. 1 is a flow chart of the steps of a driving mode switching method in an embodiment of the present application
  • Fig. 2 is a non-standard driving mode upload flow chart in a driving mode switching method in the embodiment of the present application
  • FIG. 3 is a flow chart of the steps of a method for determining a relationship in an embodiment of the present application
  • Fig. 4 is a schematic diagram of a driving mode switching device in an embodiment of the present application.
  • Fig. 5 is a schematic diagram of a driving mode switching system in an embodiment of the present application.
  • Figure 6 schematically illustrates a block diagram of a computing processing device for performing a method according to the present disclosure.
  • Fig. 7 schematically shows a storage unit for holding or carrying program codes implementing the method according to the present disclosure.
  • this application proposes a driving mode switching method, which aims to determine the current driving section of the vehicle, and according to the relationship between the predetermined driving section and the driving mode in the all-terrain mode,
  • the all-terrain mode includes A variety of non-standard driving modes. Different driving sections correspond to different non-standard driving modes.
  • the all-terrain system switch for switching the all-terrain mode is not triggered, the current driving section of the vehicle will be changed to the current driving mode. The mode switches to the target non-standard driving mode.
  • the cloud platform summarizes user habits, thereby helping inexperienced drivers choose the correct mode, improving the driving experience of inexperienced drivers and improving driving safety. And the correct driving mode is adopted to improve the passability of the vehicle and reduce the damage to the vehicle.
  • the embodiment of the present application provides a driving mode switching method, referring to Fig. 1, which shows a flow chart of the steps of a driving mode switching method in the embodiment of the present application, and the method includes the following steps:
  • Step S101 Determine the current driving section of the vehicle.
  • the specific location information of the vehicle can be obtained through GPS positioning, and the road section where the vehicle is located at this time can be determined according to the specific location information, so as to obtain the specific road section where the vehicle is located.
  • information for example, the identification information of the road section is Xinhua Road, then it is determined that the vehicle is located on the road section of Xinhua Road.
  • Step S102 Determine the target non-standard driving mode corresponding to the current driving section of the vehicle according to the relationship between the predetermined driving section and the non-standard driving mode in the all-terrain mode, and the all-terrain mode includes a variety of non-standard driving modes. Driving mode, different driving sections correspond to different non-standard driving modes.
  • the determined driving section and the all-terrain mode can be pushed through the cloud platform, or data can be stored on the local side of the vehicle.
  • the target non-standard driving mode corresponding to the current driving section.
  • the vehicle is located on Xinhua Road, and the non-standard driving mode under the all-terrain mode corresponding to Xinhua Road is the economic mode, it is determined that the current driving mode of the vehicle should be the economic mode.
  • the terrain mode includes standard driving mode and non-standard driving mode
  • the non-standard driving mode includes economical driving mode, sports driving mode, snow driving mode, mud driving mode and mountain road driving mode, and the above-mentioned different driving modes are aimed at different road conditions Execution can improve the passing performance of the vehicle.
  • Step S103 In the case that the all-terrain system switch for switching the all-terrain mode is not triggered, switch the current driving mode to the target non-standard driving mode on the current driving section of the vehicle.
  • the all-terrain system switch is used for the user to switch the driving mode. Press the switch once, the current driving mode will be displayed through the instrument display or text information, and the switching of the driving mode and the all-terrain system will be completed by triggering the switch. mode on and off. When the all-terrain system switch is not triggered, it means that the all-terrain mode function is not turned on at this time.
  • the current driving section of the vehicle is Xinhua Road, switch the current driving mode of the vehicle to the economical driving mode, and set the all-terrain mode to The request signal of the economical driving mode is sent to various subsystems, and the subsystems include the ESP system, the EPS system, the engine, the transmission and the four-wheel drive system.
  • each subsystem After each subsystem receives the request signal that the all-terrain mode is the economical driving mode, as shown in the all-terrain function strategy table shown in Table 1, the subsystem enters the corresponding mode according to the corresponding relationship of the strategy table, and feeds back the state of the subsystem.
  • the target non-standard driving mode corresponding to the current driving section of the vehicle is determined through the relationship between the predetermined driving section and the non-standard driving mode in the all-terrain mode, which can allow inexperienced drivers to Determine the current driving mode according to the relationship between the preset driving section and the non-standard driving mode in the all-terrain mode, thereby avoiding inexperienced drivers from being unclear about the road conditions or unable to select the driving mode according to the road conditions, And the problem of unsafe driving and the problem of no driving experience.
  • the method also includes:
  • the moment when the all-terrain system switch is triggered is determined as the first moment
  • the current driving mode is switched to the target non-standard driving mode on the current driving section of the vehicle.
  • the cloud platform will push the target non-standard driving mode corresponding to the current driving section of the vehicle, that is, the current driving section of the vehicle is Xinhua Road, and the corresponding target non-standard driving mode is the economical driving mode.
  • the current driving mode of the vehicle is switched to the sports driving mode currently corresponding to the all-terrain system switch; if the T2 is later than the T1, the current driving mode of the vehicle is switched to the target on Xinhua Road
  • the economical driving mode corresponding to the non-standard driving mode Therefore, it can allow experienced drivers to automatically switch driving modes through the target non-standard driving mode pushed by the cloud platform when they want to take a rest, or allow drivers to actively switch driving modes according to their own judgment on road conditions. It can also allow the driver to coexist the automatic switching of driving modes and the active switching of driving modes, which facilitates the driving process of experienced drivers, improves driving safety, and reduces the risk of manual switching modes during driving. .
  • the vehicle yaw rate value and the vehicle yaw rate response time of the vehicle in the current driving section are collected;
  • the vehicle yaw rate value is greater than the vehicle yaw rate threshold, and the vehicle yaw rate response time is greater than the vehicle yaw rate response time threshold, it is determined that the dynamic flag of the current driving section is activated, and the The current driving section and the dynamic mark are uploaded to the cloud platform;
  • the driving section is determined as a dynamic section.
  • the vehicle yaw rate value and the response time of the vehicle yaw rate during the vehicle process are collected by the dynamic road condition judgment module, that is, when the vehicle is driving on Xinhua Road, it will Collect the vehicle yaw rate value and the vehicle yaw rate response time. After the collected vehicle yaw rate value is compared with the vehicle yaw rate value threshold value, if the vehicle yaw rate value is greater than the vehicle yaw rate value threshold value Then continue to execute the judgment.
  • a dynamic flag which can be 1, 1 means that the dynamic marking of the current driving section is activated, and the information of the dynamic marking of Xinhua Road as activated is uploaded to the cloud platform.
  • the cloud platform collects the dynamic markings of Xinhua Road uploaded by different vehicles.
  • the record If the ratio of the number (50) to the sum of the records that are dynamically marked as active (50) and the number of records that are dynamically marked as inactive (25) is greater than 50% of the threshold, then it is determined that Xinhua Road is a dynamic road section.
  • the non-standard driving mode includes a sports mode; if the all-terrain system switch for switching the all-terrain mode is not triggered, the current driving mode is switched on the current driving section of the vehicle
  • Non-standard driving modes for the stated targets including:
  • the current driving section of the vehicle is a dynamic section and the all-terrain system switch for switching the all-terrain mode is not triggered, switch the current driving mode to a sports mode on the current driving section of the vehicle;
  • the method further includes: when the current driving section of the vehicle is the dynamic section and the all-terrain system switch for switching the all-terrain mode is triggered, prompting the user to switch the current driving mode on the dynamic section for sport mode.
  • Xinhua Road when Xinhua Road is a dynamic road section, it means that Xinhua Road is a multi-curved road section at this time.
  • the mode is switched to sports mode to ensure driving safety. By judging whether the road is a dynamic road section, when the vehicle travels to this area, it will remind the driver to ensure the safety of the driving process.
  • the driving mode currently corresponding to the all-terrain system switch is a non-standard driving mode and the operating time of the driving mode currently corresponding to the all-terrain system switch is greater than a first preset time threshold
  • the current driving section and the The current corresponding driving mode of the all-terrain system switch is uploaded to the cloud platform, so that the cloud platform can establish the relationship between the driving section and the non-standard driving mode under the all-terrain mode by collecting different vehicles.
  • FIG. 3 is a flow chart of the steps of a method for determining a relationship in an embodiment of the present application. The method includes the following steps:
  • Step 301 Collect the number of times that different vehicles actively switch to non-standard driving modes through the all-terrain switch in the same driving section;
  • a single vehicle will upload the non-standard driving mode adopted on its Xinhua Road as driving data, and the cloud platform will collect the driving data of the non-standard driving mode adopted by different vehicles on Xinhua Road, and Carry out corresponding analysis and judgment, and count the number of adoptions of different driving modes.
  • Step 302 When the number of times of the same non-standard driving mode exceeds a preset number of times, establish a corresponding relationship between the non-standard driving mode currently corresponding to the all-terrain system switch and the driving section.
  • the driving section uploaded by a single vehicle and the driving mode currently corresponding to the all-terrain system switch are received; wherein, the driving section and the driving mode currently corresponding to the all-terrain system switch are determined by the The vehicle uploads when the driving mode currently corresponding to the all-terrain system switch is a non-standard driving mode and the running time of the driving mode currently corresponding to the all-terrain system switch is greater than a first preset time threshold;
  • the number of times the same driving section is actively switched to a non-standard driving mode through the all-terrain switch is counted.
  • the driving mode corresponding to the current active switching of the vehicle through the all-terrain system switch is a non-standard driving mode.
  • the timer if the timer is turned on, continue to execute the judgment of the activation time, when the activation time is greater than the preset threshold of 5 minutes, it is determined that the data is valid data, that is, the driver has driven in the economical driving mode on Xinhua Road In 8 minutes, Xinhua Road and the corresponding economical driving mode for active switching through the all-terrain system switch will be uploaded to the cloud platform, and the driving experience summary of the corresponding driving mode for active switching by experienced drivers using the all-terrain system switch , to help inexperienced drivers to automatically switch driving modes through cloud platform push, and realize driving data collection and sending of driving data for corresponding applications.
  • FIG. 4 is a schematic diagram of a driving mode switching device in an embodiment of the present application. As shown in FIG. 4, the device includes:
  • the first determining module 401 used to determine the current driving section of the vehicle
  • the second determining module 402 used to determine the target non-standard driving mode corresponding to the current driving section of the vehicle according to the relationship between the predetermined driving section and the non-standard driving mode under the all-terrain mode, the all-terrain mode Including a variety of non-standard driving modes, different driving sections correspond to different non-standard driving modes;
  • the switching module 403 is configured to switch the current driving mode to the target non-standard driving mode in the current driving section of the vehicle when the all-terrain system switch for switching the all-terrain mode is not triggered.
  • FIG. 5 shows a schematic diagram of the driving mode switching system.
  • the system includes:
  • an embodiment of the present application provides a vehicle, including the driving mode switching device system proposed in the fourth aspect of the embodiment of the present application, and the system includes:
  • a vehicle controller connected to the all-terrain system switch, the vehicle controller is used to execute the driving mode switching method described in the first aspect of the present application;
  • the driver presses the switch of the all-terrain system switch to display the current driving mode through the instrument display or text information, and completes the switching of the driving mode and the opening and closing of the all-terrain mode by triggering the switch.
  • the device is used to execute the driving mode switching method described in the first aspect of the present application
  • the cloud platform is used to execute the relationship determination method described in the second aspect of the present application
  • a dynamic road condition judgment module which is used to analyze the vehicle's lateral movement during the driving process. Acquisition of yaw rate value and vehicle yaw rate response time, that is, during the driving process of the vehicle on Xinhua Road, the vehicle yaw rate value and vehicle yaw rate response time will be collected.
  • the subsystem includes ESP system, EPS system, engine, transmission and four-wheel drive system. After each subsystem receives the request signal that the all-terrain mode is the economical driving mode, as shown in the all-terrain function strategy table shown in Table 1, the subsystem enters the corresponding mode and feeds back the state of the subsystem.
  • the current driving section of the vehicle is determined, and the target non-standard driving mode corresponding to the current driving section of the vehicle is determined according to the relationship between the predetermined driving section and the non-standard driving mode in the all-terrain mode,
  • the all-terrain mode includes a variety of non-standard driving modes, and different driving sections correspond to different non-standard driving modes.
  • the current Switch the current driving mode to the target non-standard driving mode for the driving section.
  • the cloud platform summarizes user habits, thereby helping inexperienced drivers choose the correct mode, improving the driving experience of inexperienced drivers and improving driving safety. And the correct driving mode is adopted to improve the passability of the model and reduce the damage to the vehicle during driving.
  • the device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without any creative efforts.
  • the various component embodiments of the present disclosure may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof.
  • a microprocessor or a digital signal processor (DSP) may be used in practice to implement some or all functions of some or all components in the computing processing device according to the embodiments of the present disclosure.
  • DSP digital signal processor
  • the present disclosure can also be implemented as an apparatus or apparatus program (eg, computer program and computer program product) for performing a part or all of the methods described herein.
  • Such a program realizing the present disclosure may be stored on a computer-readable medium, or may have the form of one or more signals.
  • Such a signal may be downloaded from an Internet site, or provided on a carrier signal, or provided in any other form.
  • FIG. 6 illustrates a computing processing device that may implement methods according to the present disclosure.
  • the computing processing device conventionally includes a processor 1010 and a computer program product in the form of a memory 1020 or a computer readable medium.
  • Memory 1020 may be electronic memory such as flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM.
  • the memory 1020 has a storage space 1030 for program code 1031 for performing any method steps in the methods described above.
  • the storage space 1030 for program codes may include respective program codes 1031 for respectively implementing various steps in the above methods. These program codes can be read from or written into one or more computer program products.
  • These computer program products comprise program code carriers such as hard disks, compact disks (CDs), memory cards or floppy disks.
  • Such a computer program product is typically a portable or fixed storage unit as described with reference to FIG. 7 .
  • the storage unit may have storage segments, storage spaces, etc. arranged similarly to the memory 1020 in the computing processing device of FIG. 6 .
  • the program code can eg be compressed in a suitable form.
  • the storage unit includes computer readable code 1031', i.e. code readable by, for example, a processor such as 1010, which code, when executed by a computing processing device, causes the computing processing device to perform the above-described methods. each step.
  • embodiments of the embodiments of the present application may be provided as methods, devices, or computer program products. Therefore, the embodiment of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • Embodiments of the present application are described with reference to flowcharts and/or block diagrams of methods, terminal devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and a combination of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor or processor of other programmable data processing terminal equipment to produce a machine such that instructions executed by the computer or processor of other programmable data processing terminal equipment Produce means for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing terminal to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the The instruction means implements the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

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Abstract

Procédé, dispositif et système de commutation de mode de conduite, procédé de détermination de relation, et véhicule. Le procédé de commutation de mode de conduite consiste à : déterminer la section de route de conduite actuelle d'un véhicule ; déterminer, selon une relation entre la section de route de conduite prédéterminée et des modes de conduite non standard dans un mode tout-terrain, un mode de conduite non standard cible correspondant à la section de route de conduite actuelle du véhicule, et des sections de route de conduite différentes correspondant à des modes de conduite non standard différents ; et, dans le cas où un commutateur de système tout-terrain destiné à commuter le mode tout-terrain n'est pas déclenché, commuter le mode de conduite actuelle du véhicule vers le mode de conduite non standard cible. Par conséquent, une commutation automatique d'un mode de conduite ou d'un mode tout-terrain est assurée.
PCT/CN2022/100086 2021-07-07 2022-06-21 Procédé, dispositif et système de commutation de mode de conduite, procédé de détermination de relation, et véhicule WO2023279950A1 (fr)

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