Adaptive ABS control method, device and system and vehicle
By pre-storing two sets of ABS parameters in the vehicle and selecting the appropriate ABS parameters according to environmental conditions, the applicability of the ABS system in different environments is solved, improving the stability and safety of the vehicle during emergency braking.
Patent Information
- Application Number
- CN202511769126.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-02-27
AI Technical Summary
Existing ABS systems are not well-suited for different environments, especially in low-temperature, high-adsorption environments.
By pre-storing two sets of ABS parameters in the vehicle, one for normal temperature high-adhesion environments and the other for low temperature high-adhesion environments, the current environment is determined based on the vehicle's slip ratio and depressurization time, and the corresponding ABS parameters are activated. In the low temperature high-adhesion environment, pressure control boost is limited to ensure the stability of the vehicle during emergency braking.
It improves the adaptability of the ABS system in different environments and enhances the vehicle's stability and safety during emergency braking.
Smart Images
Figure CN121572934A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of vehicle technology, and more specifically to an adaptive ABS control method, device, system, and vehicle. Background Technology
[0002] ABS, short for Anti-lock Braking System, is an active safety device that prevents the wheels from locking up completely (i.e., stopping rotating) during emergency braking of a vehicle. Research has revealed that existing ABS systems have poor environmental adaptability and their overall performance is less than ideal. Therefore, improving the performance of ABS systems in various environments is a pressing technical issue that the industry needs to address. Summary of the Invention
[0003] The present invention provides an adaptive ABS control method, apparatus, system and vehicle to solve the problem of poor environmental adaptability of ABS systems in the prior art, and at least provides a beneficial option or creates conditions.
[0004] This invention provides an adaptive ABS control method, comprising: determining that an ABS system function activation request has been received; determining whether the following conditions are met simultaneously: the slip ratios of both the left front wheel and the right front wheel are greater than a set slip ratio threshold; and the depressurization time is greater than a set depressurization time threshold; When it is determined that the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold, then the pre-calibrated low-temperature high-adhesion ABS parameters will be used as the working parameters for the ABS function. If the following conditions are not met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold; and the depressurization time is greater than the set depressurization time threshold, then the pre-calibrated room temperature high-adhesion ABS parameters will be used as the working parameters for the ABS function.
[0005] Furthermore, the adaptive ABS control method also includes: recording the pressure value when the ABS function is activated, and recording the pressure value as the activation pressure value; after enabling the low temperature high adhesion ABS parameters, during the ABS process, ensuring that the subsequent pressure control pressurization does not exceed the activation pressure.
[0006] Furthermore, it is determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold. Specifically, this includes setting a first flag parameter and a second flag parameter. The first flag parameter is used to reflect whether the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the second flag parameter is used to reflect whether the pressure relief time is greater than the set pressure relief time threshold. If the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold, then a flag is set in the first flag parameter; otherwise, the flag is cleared from the first flag parameter. If the pressure relief time exceeds the set pressure relief time threshold, a flag is set in the second flag parameter; otherwise, the flag is cleared. By checking the flag positions of the first and second flag parameters, it can be determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
[0007] Furthermore, the slip ratio threshold is set to 0.4.
[0008] Furthermore, the pressure relief time threshold is set to 80ms.
[0009] On the other hand, an adaptive ABS control device is provided, comprising: a processor and a memory, the memory being used to store a computer-readable program; when the computer-readable program is executed by the processor, the processor causes the processor to implement the adaptive ABS control method as described in any one of the above technical solutions.
[0010] On the other hand, an adaptive ABS control system is provided, including: a determination module, a judgment module, and an activation module; The determining module is used to: determine that an ABS system function activation request has been received; The judgment module is used to determine whether the following conditions are met simultaneously: the slip ratios of both the left front wheel and the right front wheel are greater than a set slip ratio threshold; and the pressure relief time is greater than a set pressure relief time threshold. The activation module is used to: activate the ABS function by using pre-calibrated low-temperature high-adhesion ABS parameters when it is determined that: both the slip ratios of the left front wheel and the right front wheel are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold; and when it is determined that: both the slip ratios of the left front wheel and the right front wheel are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold; and when these conditions are not met simultaneously, activate the ABS function by using pre-calibrated room-temperature high-adhesion ABS parameters.
[0011] Furthermore, the adaptive ABS control system also includes a recording module, which is used to: record the pressure value when the ABS function is activated, and record the pressure value as the activation pressure value; after enabling the low temperature high adhesion ABS parameters, during the ABS process, ensure that the subsequent pressure control pressurization does not exceed the activation pressure.
[0012] Furthermore, in the judgment module, it is determined whether the following conditions are met simultaneously: the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold; and the pressure relief time is greater than the set pressure relief time threshold. Specifically, this includes setting a first flag parameter and a second flag parameter. The first flag parameter is used to reflect whether the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold; and the second flag parameter is used to reflect whether the pressure relief time is greater than the set pressure relief time threshold. If the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold, then a flag is set in the first flag parameter; otherwise, the flag is cleared from the first flag parameter. If the pressure relief time exceeds the set pressure relief time threshold, a flag is set in the second flag parameter; otherwise, the flag is cleared. By checking the flag positions of the first and second flag parameters, it can be determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
[0013] On the other hand, a vehicle is provided that integrates an adaptive ABS control system as described in any one of the above-mentioned technical solutions.
[0014] This invention has at least the following beneficial effects: The method of this invention, through the study of vehicle operating conditions, derives two environments in which the vehicle operates: a normal temperature high-adhesion environment and a low temperature high-adhesion environment. Two sets of ABS parameters are then formed for these two environments and pre-stored in the vehicle. When the vehicle activates the ABS function, the environment of the vehicle is determined based on the current operating conditions, thereby activating the appropriate ABS parameters to maintain vehicle stability during emergency braking. This improves the adaptability of the ABS system and enhances vehicle safety. Simultaneously, this invention also provides corresponding devices, systems, and vehicles. The beneficial effects of these devices, systems, and vehicles are similar to those of the method and will not be repeated here. This invention is primarily applicable to the field of vehicle technology. Attached Figure Description
[0015] The accompanying drawings are provided to further understand the technical solutions of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.
[0016] Figure 1 This is a flowchart of the adaptive ABS control method. Figure 2 This is a schematic diagram of the adaptive ABS control device; Figure 3 This is the hardware structure of an adaptive ABS control device according to another embodiment; Figure 4This is a schematic diagram of the system connection structure of the adaptive ABS control system; Figure 5 This is a flowchart of a specific embodiment of the adaptive ABS control method. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.
[0018] It should be noted that although functional modules are divided in the system diagram and the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the system or the order in the flowchart. The terms "first," "second," etc., in the specification, claims, and the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0019] Before providing a detailed description of the embodiments of this application, some of the nouns and terms involved in the embodiments of this application will be explained first. The nouns and terms involved in the embodiments of this application are subject to the following interpretations.
[0020] ABS, short for Anti-lock Braking System, is an active safety device that prevents the wheels of a car from locking up completely (i.e. stopping rotating) during emergency braking.
[0021] In vehicle-related technologies, how to improve the performance of ABS systems in various environments is a technical issue that urgently needs to be studied in the industry.
[0022] Please refer to Figure 1 and Figure 5 , Figure 1 This is a flowchart of the adaptive ABS control method. Figure 5 This is a flowchart of a specific embodiment of the adaptive ABS control method.
[0023] Research has revealed that the primary environmental factor affecting the operation of ABS systems is temperature. Existing ABS systems use a set of parameters calibrated for normal temperature high-adhesion environments. However, due to differences in tire performance at low temperatures, these parameters, calibrated for normal temperature high-adhesion environments, exhibit a high slip ratio in low-temperature high-adhesion environments, resulting in poor ABS performance. Based on this research, this application discloses an adaptive ABS control method. This adaptive ABS control method can be executed by a software program. When the software program is executed, the steps include: Step 1, confirming that an ABS system function activation request has been received.
[0024] When the driver needs to perform emergency braking, the vehicle generates a specific signal to request activation of the ABS system. The software program receives this signal and determines that the ABS system needs to be activated.
[0025] Step 2: Determine if the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
[0026] This step mainly checks whether two conditions are met simultaneously. The first condition is that the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold. The second condition is that the depressurization time is greater than the set depressurization time threshold.
[0027] After confirming receipt of the ABS system activation request, the software program uses the sideslip rates of the left and right front wheels, as well as the depressurization time, to determine the vehicle's response to the environment. Research has shown that when both the sideslip rates of the left and right front wheels exceed a certain value, and the depressurization time exceeds a certain value, the vehicle can be considered to be in a low-temperature, high-adhesion environment; otherwise, it can be considered to be in a normal-temperature, high-adhesion environment.
[0028] This research revealed that this application sets two sets of parameters for the vehicle's ABS system, selecting which set to activate based on specific circumstances. These two sets of parameters are standard temperature high-adhesion ABS parameters and low temperature high-adhesion ABS parameters. These parameters are obtained through prior testing and are pre-stored in the vehicle's storage unit.
[0029] Step 3: If it is determined that the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold, then the pre-calibrated low-temperature high-adhesion ABS parameters will be used as the operating parameters for the ABS function. If it is determined that the following conditions are not met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold, then the pre-calibrated normal-temperature high-adhesion ABS parameters will be used as the operating parameters for the ABS function.
[0030] In some further specific embodiments, the slip ratio threshold is set to 0.4 and the depressurization time threshold is set to 80ms.
[0031] Once the software program determines the vehicle's environment, it will activate the corresponding ABS system parameters accordingly. The software program accesses the storage unit to retrieve two pre-stored sets of parameters. Specifically, if the slip ratios of both the left and right front wheels exceed the set slip ratio thresholds, and the depressurization time exceeds the set depressurization time threshold, the vehicle is considered to be in a low-temperature, high-adhesion environment. Therefore, the software program will activate the low-temperature, high-adhesion ABS parameters as the operating parameters for the ABS function.
[0032] To make vehicle braking smoother, in some further embodiments, the adaptive ABS control method further includes: recording the pressure value when the ABS function is activated, and recording the pressure value as the activation pressure value. After enabling the low-temperature high-adhesion ABS parameters, during the ABS process, it is ensured that the subsequent pressure control boost does not exceed the activation pressure. To cope with low-temperature high-adhesion environments, in addition to enabling the low-temperature high-adhesion ABS parameters, the control boost is also limited during the ABS process to ensure that the control boost does not exceed the activation pressure. This allows the vehicle to brake more smoothly.
[0033] When the slip ratio of the vehicle's left and right front wheels is not greater than the set slip ratio threshold, or the depressurization time is not greater than the set depressurization time threshold, the vehicle can be considered to be in a normal temperature high-adhesion environment. Therefore, the software program will use the normal temperature high-adhesion ABS parameters as the operating parameters for the ABS function.
[0034] This invention, through research on vehicle operating conditions, identifies two environments in which vehicles operate: a normal temperature high-adhesion environment and a low temperature high-adhesion environment. Two sets of ABS parameters are then developed for these two environments and pre-stored in the vehicle. When the vehicle's ABS function is activated, the system determines the vehicle's environment based on the current operating conditions and activates the appropriate ABS parameters to maintain vehicle stability during emergency braking. This improves the adaptability of the ABS system and enhances vehicle safety.
[0035] To facilitate identification and judgment, in some further specific embodiments, determining whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than a set slip ratio threshold; and the depressurization time is greater than a set depressurization time threshold, specifically includes: setting a first flag parameter and a second flag parameter. The first flag parameter is used to reflect whether the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold. The second flag parameter is used to reflect whether the depressurization time is greater than the set depressurization time threshold.
[0036] If the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold, a flag is set in the first flag parameter; otherwise, the flag is cleared.
[0037] If the pressure relief time exceeds the set pressure relief time threshold, a flag is set in the second flag parameter; otherwise, the flag is cleared.
[0038] By checking the flag positions of the first and second flag parameters, it can be determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
[0039] By setting a first flag parameter, the system reflects whether the slip ratios of both the left and right front wheels exceed a set slip ratio threshold. This method of setting the first flag parameter quickly indicates whether the condition is met, improving the speed of program calls.
[0040] A second flag parameter is set to reflect whether the pressure relief time exceeds a set pressure relief time threshold. This method of setting the second flag parameter quickly indicates whether the condition is met, improving the speed of program calls.
[0041] refer to Figure 2 , Figure 2 This is a schematic diagram of the adaptive ABS control device.
[0042] On the other hand, an adaptive ABS control device is provided, comprising: a processor and a memory, the memory being used to store a computer-readable program. When the computer-readable program is executed by the processor, the processor causes the processor to implement the adaptive ABS control method as described in any of the above specific embodiments.
[0043] Those skilled in the art will understand that all or some of the steps and systems in the methods disclosed above can be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer-readable medium, which can include computer storage media (or non-transitory media) and communication media (or transient media). As is known to those skilled in the art, the term computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and is accessible to a computer. As is known to those skilled in the art, communication media typically contain computer-readable instructions, data structures, program modules, or other data in modulated data signals such as carrier waves or other transmission mechanisms, and may include any information delivery medium.
[0044] Please see Figure 3 , Figure 3 This is another embodiment of the hardware structure of an adaptive ABS control device. The adaptive ABS control device includes: a processor 901, a memory 902, an input / output interface 903, a communication interface 904, and a bus 905.
[0045] The processor 901 can be implemented using a general-purpose CPU (Central Processing Unit), microprocessor, application-specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the adaptive ABS control method provided in the embodiments of this application.
[0046] The memory 902 can be implemented as a read-only memory (ROM), static storage device, dynamic storage device, or random access memory (RAM). The memory 902 can store the operating system and other application programs. When the technical solutions provided in the embodiments of this specification are implemented through software or firmware, the relevant program code is stored in the memory 902 and is called and executed by the processor 901 using the methods described in the embodiments of this application.
[0047] The input / output interface 903 is used to implement information input and output.
[0048] The communication interface 904 is used to enable communication and interaction between this device and other devices. Communication can be achieved through wired means (such as USB, Ethernet cable, etc.) or wireless means (such as mobile network, WIFI, Bluetooth, etc.).
[0049] Bus 905 transmits information between various components of the device, such as processor 901, memory 902, input / output interface 903, and communication interface 904.
[0050] The processor 901, memory 902, input / output interface 903, and communication interface 904 are connected to each other within the device via bus 905.
[0051] On the other hand, reference Figure 4 , Figure 4 This is a schematic diagram of the system connection structure of the adaptive ABS control system.
[0052] An adaptive ABS control system is provided, including: a determination module, a judgment module, and an activation module.
[0053] The determining module is used to: determine that an ABS system function activation request has been received.
[0054] When the driver needs to perform emergency braking, the vehicle generates a specific signal to request activation of the ABS system. The determination module receives this signal and thus determines that the vehicle currently requires activation of the ABS system.
[0055] The judgment module is used to determine whether the following conditions are met simultaneously: the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold; and the pressure relief time is greater than the set pressure relief time threshold.
[0056] After confirming receipt of the ABS system activation request, the judgment module uses the sideslip ratios of the left and right front wheels, as well as the depressurization time, to determine the vehicle's response to the environment. Research has shown that when both the sideslip ratios of the left and right front wheels exceed a certain value, and the depressurization time exceeds a certain value, the vehicle can be considered to be in a low-temperature, high-adhesion environment; otherwise, it can be considered to be in a normal-temperature, high-adhesion environment.
[0057] This research revealed that this application sets two sets of parameters for the vehicle's ABS system, selecting which set to activate based on specific circumstances. These two sets of parameters are standard temperature high-adhesion ABS parameters and low temperature high-adhesion ABS parameters. These parameters are obtained through prior testing and are pre-stored in the vehicle's storage unit.
[0058] The activation module is used to: activate the ABS function by using pre-calibrated low-temperature high-adhesion ABS parameters when it is determined that: both the slip ratios of the left front wheel and the right front wheel are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold; and when it is determined that: both the slip ratios of the left front wheel and the right front wheel are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold; and when these conditions are not met simultaneously, activate the ABS function by using pre-calibrated room-temperature high-adhesion ABS parameters.
[0059] In some further specific embodiments, the slip ratio threshold is set to 0.4 and the depressurization time threshold is set to 80ms.
[0060] Once the activation module determines the vehicle's environment, it will activate the corresponding ABS system parameters accordingly. The activation module retrieves two pre-stored sets of parameters by accessing the storage unit. Specifically, if the slip ratios of both the left and right front wheels exceed a set slip ratio threshold, and the depressurization time exceeds a set depressurization time threshold, the vehicle is considered to be in a low-temperature, high-adhesion environment. Therefore, the activation module will use the low-temperature, high-adhesion ABS parameters as the operating parameters for the ABS function.
[0061] To ensure smoother vehicle braking, in some further embodiments, the adaptive ABS control system also includes a recording module. The recording module records the pressure value when the ABS function is activated, and designates this pressure value as the activation pressure value. After activating the low-temperature, high-adhesion ABS parameters, during the ABS process, it ensures that subsequent pressure control boost does not exceed the activation pressure. To cope with low-temperature, high-adhesion environments, in addition to activating the low-temperature, high-adhesion ABS parameters, pressure control is also limited during the ABS process to ensure that the pressure control boost does not exceed the activation pressure. This allows for smoother vehicle braking.
[0062] When the slip ratio of the vehicle's left and right front wheels is not greater than the set slip ratio threshold, or the depressurization time is not greater than the set depressurization time threshold, the vehicle can be considered to be in a normal temperature high-adhesion environment. Therefore, the software program will use the normal temperature high-adhesion ABS parameters as the operating parameters for the ABS function.
[0063] To facilitate identification and judgment, in some further specific embodiments, determining whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than a set slip ratio threshold; and the depressurization time is greater than a set depressurization time threshold, specifically includes: setting a first flag parameter and a second flag parameter. The first flag parameter is used to reflect whether the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold. The second flag parameter is used to reflect whether the depressurization time is greater than the set depressurization time threshold.
[0064] If the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold, a flag is set in the first flag parameter; otherwise, the flag is cleared.
[0065] If the pressure relief time exceeds the set pressure relief time threshold, a flag is set in the second flag parameter; otherwise, the flag is cleared.
[0066] By checking the flag positions of the first and second flag parameters, it can be determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
[0067] By setting a first flag parameter, the system reflects whether the slip ratios of both the left and right front wheels exceed a set slip ratio threshold. This method of setting the first flag parameter quickly indicates whether the condition is met, improving the speed of program calls.
[0068] A second flag parameter is set to reflect whether the pressure relief time exceeds a set pressure relief time threshold. This method of setting the second flag parameter quickly indicates whether the condition is met, improving the speed of program calls.
[0069] On the other hand, a vehicle is provided that integrates the adaptive ABS control system described in the above-described specific embodiments.
[0070] On the other hand, a computer-readable storage medium is provided, wherein a processor-executable program is stored, which, when executed by a processor, is used to implement the adaptive ABS control method as described in any of the above specific embodiments.
[0071] This application also discloses a computer program product, including a computer program or computer instructions, which are stored in a computer-readable storage medium. The processor of the computer device reads the computer program or computer instructions from the computer-readable storage medium and executes the computer program or computer instructions, causing the computer device to perform the adaptive ABS control method as described in any of the preceding embodiments.
[0072] The terms “first,” “second,” “third,” “fourth,” etc. (if present) in the specification and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms “comprising” and “having,” and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatuses.
[0073] It should be understood that in this application, "at least one (item)" means one or more, and "more than" means two or more. "And / or" is used to describe the relationship between related objects, indicating that three relationships can exist. For example, "A and / or B" can represent three cases: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one (item) of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one (item) of a, b, or c can represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be single or multiple.
[0074] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, apparatuses, or units, and may be electrical, mechanical, or other forms.
[0075] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.
[0076] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.
[0077] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.
[0078] Although the description of this application has been quite detailed and particularly focused on several of the described embodiments, it is not intended to limit itself to any of these details or embodiments or any particular embodiment. Rather, it should be considered as effectively covering the intended scope of this application by referring to the appended claims and taking into account the prior art, which provides for a broad possible interpretation of these claims. Furthermore, the foregoing description of this application with respect to embodiments foreseeable by the inventors is intended to provide a useful description, and non-substantial modifications to this application that have not yet been foreseen may still represent equivalent modifications.
[0079] It should be noted that in all specific embodiments of this application, when processing data related to user identity or characteristics, such as user information, user behavior data, user historical data, and user location information, user permission or consent is obtained first. Furthermore, the collection, use, and processing of this data comply with relevant laws, regulations, and standards. In addition, when embodiments of this application require access to sensitive personal information of users, separate permission or consent from the user is obtained through pop-ups or redirection to confirmation pages. Only after obtaining the user's separate permission or consent is the necessary user-related data required for the proper functioning of these embodiments acquired.
Claims
1. An adaptive ABS control method, characterized in that, include: Confirm receipt of ABS system function activation request; determine whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold. When it is determined that the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold, then the pre-calibrated low-temperature high-adhesion ABS parameters will be used as the working parameters for the ABS function. If the following conditions are not met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio threshold; and the depressurization time is greater than the set depressurization time threshold, then the pre-calibrated room temperature high-adhesion ABS parameters will be used as the working parameters for the ABS function.
2. The adaptive ABS control method according to claim 1, characterized in that, Also includes: Record the pressure value when the ABS function is activated, and record the pressure value as the activation pressure value; After enabling the low-temperature high-adhesion ABS parameters, ensure that the subsequent pressure control pressurization does not exceed the activation pressure during the ABS process.
3. The adaptive ABS control method according to claim 1, characterized in that, Determining whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than a set slip ratio threshold; and the pressure relief time is greater than a set pressure relief time threshold, specifically includes: setting a first flag parameter and a second flag parameter. The first flag parameter is used to reflect whether the slip ratios of both the left and right front wheels are greater than a set slip ratio threshold; and the second flag parameter is used to reflect whether the pressure relief time is greater than a set pressure relief time threshold. If the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold, then a flag is set in the first flag parameter; otherwise, the flag is cleared from the first flag parameter. If the pressure relief time exceeds the set pressure relief time threshold, a flag is set in the second flag parameter; otherwise, the flag is cleared. By checking the flag positions of the first and second flag parameters, it can be determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
4. The adaptive ABS control method according to claim 1, characterized in that, The slip ratio threshold is set to 0.
4.
5. The adaptive ABS control method according to claim 1, characterized in that, The pressure relief time threshold is set to 80ms.
6. An adaptive ABS control device, characterized in that, include: processor; Memory, used to store computer-readable programs; When the computer-readable program is executed by the processor, the processor implements the adaptive ABS control method as described in any one of claims 1-5.
7. An adaptive ABS control system, characterized in that, include: Module identification, module judgment, and module activation; The determining module is used to: determine that an ABS system function activation request has been received; The judgment module is used to determine whether the following conditions are met simultaneously: the slip ratios of both the left front wheel and the right front wheel are greater than a set slip ratio threshold; and the pressure relief time is greater than a set pressure relief time threshold. The activation module is used to: activate the ABS function by using pre-calibrated low-temperature high-adhesion ABS parameters when it is determined that: both the slip ratios of the left front wheel and the right front wheel are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold; and when it is determined that: both the slip ratios of the left front wheel and the right front wheel are greater than the set slip ratio thresholds; and the depressurization time is greater than the set depressurization time threshold; and when these conditions are not met simultaneously, activate the ABS function by using pre-calibrated room-temperature high-adhesion ABS parameters.
8. An adaptive ABS control system according to claim 7, characterized in that, Also includes: A recording module, the recording module being used to: record the pressure value when the ABS function is activated, and record the pressure value as the activation pressure value; After enabling the low-temperature high-adhesion ABS parameters, ensure that the subsequent pressure control pressurization does not exceed the activation pressure during the ABS process.
9. An adaptive ABS control system according to claim 7, characterized in that, In the judgment module, it is determined whether the following conditions are met simultaneously: the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold; and the pressure relief time is greater than the set pressure relief time threshold. Specifically, this includes setting a first flag parameter and a second flag parameter. The first flag parameter is used to reflect whether the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold; and the second flag parameter is used to reflect whether the pressure relief time is greater than the set pressure relief time threshold. If the slip ratios of both the left front wheel and the right front wheel are greater than the set slip ratio threshold, then a flag is set in the first flag parameter; otherwise, the flag is cleared from the first flag parameter. If the pressure relief time exceeds the set pressure relief time threshold, a flag is set in the second flag parameter; otherwise, the flag is cleared. By checking the flag positions of the first and second flag parameters, it can be determined whether the following conditions are met simultaneously: the slip ratios of both the left and right front wheels are greater than the set slip ratio thresholds; and the pressure relief time is greater than the set pressure relief time threshold.
10. A vehicle, characterized in that, The system integrates the adaptive ABS control system as described in any one of claims 7 to 9.