CN116620246A - Integrated brake control assembly power-assisted degradation method, device and terminal - Google Patents

Integrated brake control assembly power-assisted degradation method, device and terminal Download PDF

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Publication number
CN116620246A
CN116620246A CN202310702618.1A CN202310702618A CN116620246A CN 116620246 A CN116620246 A CN 116620246A CN 202310702618 A CN202310702618 A CN 202310702618A CN 116620246 A CN116620246 A CN 116620246A
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CN
China
Prior art keywords
brake
storage amount
state data
liquid storage
liquid level
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310702618.1A
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Chinese (zh)
Inventor
牛佳林
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FAW Group Corp
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FAW Group Corp
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Priority to CN202310702618.1A priority Critical patent/CN116620246A/en
Publication of CN116620246A publication Critical patent/CN116620246A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/402—Back-up

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The application discloses a method, a device and a terminal for degrading the assistance of an integrated brake control assembly, belonging to the technical field of brake assistance, and comprising the following steps: acquiring a brake liquid level state and judging whether the brake liquid level state is a fault signal or not, and if so, executing a current degradation strategy; and acquiring pressure-liquid storage amount state data in the current brake loop, executing a real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, and degrading to a mechanical backup mode in the next ignition cycle if the real leakage judging strategy is executed. According to the application, the brake liquid level state is obtained and whether the brake liquid level state is a fault signal is judged, if so, the current degradation strategy is executed, the pressure-liquid storage amount state data in the current brake loop is obtained, and the real leakage judging strategy of the vehicle is executed according to the current degradation strategy, if so, the brake liquid level state is degraded into the mechanical backup mode in the next ignition cycle, so that the condition that the leakage risk is timely notified to a driver is met, and the driver is ensured to have sufficient braking force to stop the vehicle.

Description

Integrated brake control assembly power-assisted degradation method, device and terminal
Technical Field
The application discloses a method, a device and a terminal for degrading assistance of an integrated brake control assembly, and belongs to the technical field of brake assistance.
Background
An integrated brake control assembly (IBC) is one of the brake-by-wire technologies and is also one of the current important choices for electric, HEV, and like vehicle types. And brake circuit leakage condition monitoring is a serious issue in electronically assisted vehicle models. Currently, modes such as brake assistance degradation, pedal feel degradation and the like are adopted for the IBC which detects the abnormal brake liquid level signal to remind a driver of leakage risk, but at the same time, the brake risk of the driver is increased, psychological fear is easily caused for users who do not know degradation mechanisms, and risks such as insufficient braking force and incapability of stopping are caused.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a power-assisted degradation method, a device and a terminal of an integrated brake control assembly, which solve the problems that when a degradation strategy used on the current vehicle type has faults such as liquid level, leakage and the like, electronic power assistance is directly reduced to a mechanical backup mode, the degradation strategy has risks such as signal misjudgment and the like, and the brake risk of a driver is increased under the condition.
The technical scheme of the application is as follows:
according to a first aspect of an embodiment of the present application, there is provided an integrated brake control assembly assist degradation method, including:
acquiring a brake liquid level state and judging whether the brake liquid level state is a fault signal or not, and if so, executing a current degradation strategy;
and acquiring pressure-liquid storage amount state data in the current brake loop, executing a real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, and degrading to a mechanical backup mode in the next ignition cycle if the real leakage judging strategy is executed.
Preferably, the brake fluid level status data includes: the liquid level normal state data, the liquid level null signal state data and the sensor failure cannot receive the liquid level signal state data.
Preferably, the acquiring the brake fluid level state and determining whether it is a fault signal includes:
acquiring whether the brake liquid level state data is liquid level empty signal state data or not and the sensor fails to receive the liquid level signal state data:
if yes, executing the next step for the fault signal;
and if not, repeatedly acquiring the brake liquid level state data.
Preferably, the current degradation policy includes:
the instrument lights up a brake fault lamp and carries out text prompt;
the current maximum braking force limit is 90bar;
when the brake liquid level state data is liquid level empty state data, the pedal feel change is realized by adjusting the opening and closing of the internal pedal simulator valve.
Preferably, the acquiring the pressure-liquid storage amount state data in the current brake circuit, and executing the real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, includes:
acquiring pressure-liquid storage amount state data in a current brake loop;
obtaining the actual liquid storage amount of the vehicle in a braking pressure-building interval of 10-30bar according to the pressure-liquid storage amount state data in the current braking loop;
obtaining a liquid storage amount difference value according to the actual liquid storage amount and the theoretical liquid storage amount of the vehicle in the braking pressure build-up 10-30bar interval;
judging whether the liquid storage amount difference is larger than a threshold value or not according to the liquid storage amount difference:
if yes, degrading to a mechanical backup mode in the next ignition cycle;
if not, the alarm is considered as false alarm, and the current degradation strategy is executed until the fault is eliminated.
According to a second aspect of an embodiment of the present application, there is provided an integrated brake control assembly assist degradation device, including:
the degradation module is used for acquiring the brake liquid level state and judging whether the brake liquid level state is a fault signal or not, and if yes, executing the current degradation strategy;
and the judging module is used for acquiring the pressure-liquid storage amount state data in the current brake loop, executing a real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, and degrading to a mechanical backup mode in the next ignition cycle if the real leakage judging strategy is executed.
Preferably, the degradation module is further configured to:
acquiring whether the brake liquid level state data is liquid level empty signal state data or not and the sensor fails to receive the liquid level signal state data:
if yes, executing the next step for the fault signal;
and if not, repeatedly acquiring the brake liquid level state data.
Preferably, the judging module is further configured to:
acquiring pressure-liquid storage amount state data in a current brake loop;
obtaining the actual liquid storage amount of the vehicle in a braking pressure-building interval of 10-30bar according to the pressure-liquid storage amount state data in the current braking loop;
obtaining a liquid storage amount difference value according to the actual liquid storage amount and the theoretical liquid storage amount of the vehicle in the braking pressure build-up 10-30bar interval;
judging whether the liquid storage amount difference is larger than or equal to a threshold value according to the liquid storage amount difference:
if yes, degrading to mechanical backup in the next ignition cycle;
if not, the alarm is considered as false alarm, and the current degradation strategy is executed until the fault is eliminated.
According to a third aspect of an embodiment of the present application, there is provided a terminal including:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
the method according to the first aspect of the embodiment of the application is performed.
According to a fourth aspect of embodiments of the present application, there is provided a non-transitory computer readable storage medium, which when executed by a processor of a terminal, enables the terminal to perform the method according to the first aspect of embodiments of the present application.
According to a fifth aspect of embodiments of the present application, there is provided an application program product for causing a terminal to carry out the method according to the first aspect of embodiments of the present application when the application program product is run at the terminal.
The application has the beneficial effects that:
the application provides a method, a device and a terminal for assisting and degrading an integrated brake control assembly, which are used for acquiring a brake liquid level state and judging whether the brake liquid level state is a fault signal or not, if so, executing a current degradation strategy, acquiring pressure-liquid storage amount state data in a current brake loop, and executing a real leakage judging strategy according to the current brake loop, if so, degrading to a mechanical backup mode in the next ignition cycle, thereby meeting the condition that a leakage risk is timely notified to a driver, and ensuring that the driver has sufficient braking force to stop the vehicle.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
FIG. 1 is a flowchart illustrating a method of integrated brake control assembly boost degradation, according to an exemplary embodiment;
FIG. 2 is a schematic block diagram illustrating a power-assisted degradation device for an integrated brake control assembly according to an exemplary embodiment;
fig. 3 is a schematic block diagram of a terminal structure according to an exemplary embodiment.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the application provides an integrated brake control assembly power-assisted degradation method, which is realized by a terminal, wherein the terminal at least comprises a CPU and the like.
Example 1
FIG. 1 is a flow chart illustrating an integrated brake control assembly boost degradation method for use in a terminal, according to an exemplary embodiment, the method comprising the steps of:
step 101, acquiring a brake liquid level state and judging whether the brake liquid level state is a fault signal, if yes, executing a current degradation strategy, wherein the specific contents are as follows:
wherein the brake fluid level status data comprises: the liquid level normal state data fluid normal, the liquid level null signal state data fluid empty and the sensor failure cannot receive the liquid level signal state data timeout.
Acquiring whether the brake liquid level state data is liquid level empty signal state data or not and the sensor fails to receive the liquid level signal state data:
if yes, executing the next step for the fault signal;
and if not, repeatedly acquiring the brake liquid level state data.
Executing the current downgrade policy, comprising: the instrument lights up a brake fault lamp and carries out word prompt of low brake liquid level; the current maximum braking force limit is 90bar; when the brake liquid level state data is liquid level empty state data, the pedal feel change is realized by adjusting the opening and closing of the internal pedal simulator valve.
Step 102, acquiring pressure-liquid storage amount state data in a current brake loop, and executing a real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, if so, degrading to a mechanical backup mode in the next ignition cycle, wherein the specific contents are as follows:
acquiring pressure-liquid storage amount state data in a current brake loop;
obtaining the actual liquid storage amount of the vehicle in a braking pressure-building interval of 10-30bar according to the pressure-liquid storage amount state data in the current braking loop;
obtaining a liquid storage amount difference value according to the actual liquid storage amount and the theoretical liquid storage amount of the vehicle in the braking pressure build-up 10-30bar interval;
judging whether the liquid storage amount difference is larger than a threshold value or not according to the liquid storage amount difference, wherein the threshold value is preferably 5ml:
if yes, degrading to a mechanical backup mode in the next ignition cycle;
if not, the alarm is considered to be an alarm caused by other reasons of false alarm, and the current degradation strategy is executed until the fault is eliminated.
Example two
FIG. 2 is a block diagram illustrating a structural schematic of an integrated brake control assembly boost degradation device, according to an example embodiment, the device including:
the degradation module 210 is configured to obtain the brake fluid level state and determine whether the brake fluid level state is a fault signal, and if yes, execute a current degradation policy;
the judging module 220 is configured to obtain pressure-liquid storage amount status data in the current brake circuit, and execute a real leakage judging strategy according to the pressure-liquid storage amount status data, if the real leakage judging strategy is true, then the vehicle is degraded to a mechanical backup mode in the next ignition cycle.
Preferably, the degradation module 210 is further configured to:
acquiring whether the brake liquid level state data is liquid level empty signal state data or not and the sensor fails to receive the liquid level signal state data:
if yes, executing the next step for the fault signal;
and if not, repeatedly acquiring the brake liquid level state data.
Preferably, the determining module 220 is further configured to:
acquiring pressure-liquid storage amount state data in a current brake loop;
obtaining the actual liquid storage amount of the vehicle in a braking pressure-building interval of 10-30bar according to the pressure-liquid storage amount state data in the current braking loop;
obtaining a liquid storage amount difference value according to the actual liquid storage amount and the theoretical liquid storage amount of the vehicle in the braking pressure build-up 10-30bar interval;
judging whether the liquid storage amount difference is larger than or equal to a threshold value according to the liquid storage amount difference:
if yes, degrading to mechanical backup in the next ignition cycle;
if not, the alarm is considered as false alarm, and the current degradation strategy is executed until the fault is eliminated.
According to the application, the brake liquid level state is obtained and whether the brake liquid level state is a fault signal is judged, if so, the current degradation strategy is executed, the pressure-liquid storage amount state data in the current brake loop is obtained, and the real leakage judging strategy of the vehicle is executed according to the current degradation strategy, if so, the brake liquid level state is degraded into the mechanical backup mode in the next ignition cycle, so that the condition that the leakage risk is timely notified to a driver is met, and the driver is ensured to have sufficient braking force to stop the vehicle.
Example III
Fig. 3 is a block diagram of a terminal according to an embodiment of the present application, and the terminal may be a terminal according to the above embodiment. The terminal 300 may be a portable mobile terminal such as: smart phone, tablet computer. The terminal 300 may also be referred to by other names of user equipment, portable terminals, etc.
In general, the terminal 300 includes: a processor 301 and a memory 302.
Processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 301 may be implemented in at least one hardware form of DSP (Digital Signal Processing ), FPGA (Field-Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array ). The processor 301 may also include a main processor, which is a processor for processing data in an awake state, also called a CPU (Central Processing Unit ), and a coprocessor; a coprocessor is a low-power processor for processing data in a standby state. In some embodiments, the processor 301 may integrate a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen. In some embodiments, the processor 301 may also include an AI (Artificial Intelligence ) processor for processing computing operations related to machine learning.
Memory 302 may include one or more computer-readable storage media, which may be tangible and non-transitory. Memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 302 is used to store at least one instruction for execution by processor 301 to implement an integrated brake control assembly boost degradation method provided in the present application.
In some embodiments, the terminal 300 may further optionally include: a peripheral interface 303, and at least one peripheral. Specifically, the peripheral device includes: at least one of radio frequency circuitry 304, touch screen 305, camera 306, audio circuitry 307, positioning component 308, and power supply 309.
The peripheral interface 303 may be used to connect at least one Input/Output (I/O) related peripheral to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and peripheral interface 303 are integrated on the same chip or circuit board; in some other embodiments, either or both of the processor 301, the memory 302, and the peripheral interface 303 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 304 is configured to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuitry 304 communicates with a communication network and other communication devices via electromagnetic signals. The radio frequency circuit 304 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 includes: antenna systems, RF transceivers, one or more amplifiers, tuners, oscillators, digital signal processors, codec chipsets, subscriber identity module cards, and so forth. The radio frequency circuitry 304 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to: the world wide web, metropolitan area networks, intranets, generation mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity ) networks. In some embodiments, the radio frequency circuitry 304 may also include NFC (Near Field Communication ) related circuitry, which is not limiting of the application.
The touch display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. The touch screen 305 also has the ability to collect touch signals at or above the surface of the touch screen 305. The touch signal may be input as a control signal to the processor 301 for processing. The touch screen 305 is used to provide virtual buttons and/or virtual keyboards, also known as soft buttons and/or soft keyboards. In some embodiments, the touch display 305 may be one, providing a front panel of the terminal 300; in other embodiments, the touch display 305 may be at least two, respectively disposed on different surfaces of the terminal 300 or in a folded design; in still other embodiments, the touch display 305 may be a flexible display disposed on a curved surface or a folded surface of the terminal 300. Even more, the touch display screen 305 may be arranged in an irregular pattern that is not rectangular, i.e., a shaped screen. The touch display 305 may be made of LCD (Liquid Crystal Display ), OLED (Organic Light-Emitting Diode) or other materials.
The camera assembly 306 is used to capture images or video. Optionally, the camera assembly 306 includes a front camera and a rear camera. In general, a front camera is used for realizing video call or self-photographing, and a rear camera is used for realizing photographing of pictures or videos. In some embodiments, the number of the rear cameras is at least two, and the rear cameras are any one of a main camera, a depth camera and a wide-angle camera, so as to realize fusion of the main camera and the depth camera to realize a background blurring function, and fusion of the main camera and the wide-angle camera to realize a panoramic shooting function and a Virtual Reality (VR) shooting function. In some embodiments, camera assembly 306 may also include a flash. The flash lamp can be a single-color temperature flash lamp or a double-color temperature flash lamp. The dual-color temperature flash lamp refers to a combination of a warm light flash lamp and a cold light flash lamp, and can be used for light compensation under different color temperatures.
Audio circuitry 307 is used to provide an audio interface between the user and terminal 300. The audio circuit 307 may include a microphone and a speaker. The microphone is used for collecting sound waves of users and environments, converting the sound waves into electric signals, and inputting the electric signals to the processor 301 for processing, or inputting the electric signals to the radio frequency circuit 304 for voice communication. For the purpose of stereo acquisition or noise reduction, a plurality of microphones may be respectively disposed at different portions of the terminal 300. The microphone may also be an array microphone or an omni-directional pickup microphone. The speaker is used to convert electrical signals from the processor 301 or the radio frequency circuit 304 into sound waves. The speaker may be a conventional thin film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, not only the electric signal can be converted into a sound wave audible to humans, but also the electric signal can be converted into a sound wave inaudible to humans for ranging and other purposes. In some embodiments, the audio circuit 307 may also include a headphone jack.
The location component 308 is used to locate the current geographic location of the terminal 300 to enable navigation or LBS (Location Based Service, location-based services). The positioning component 308 may be a positioning component based on the United states GPS (Global Positioning System ), the Beidou system of China, or the Galileo system of Russia.
The power supply 309 is used to power the various components in the terminal 300. The power source 309 may be alternating current, direct current, disposable or rechargeable. When the power source 309 comprises a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.
In some embodiments, the terminal 300 further includes one or more sensors 310. The one or more sensors 310 include, but are not limited to: acceleration sensor 311, gyroscope sensor 312, pressure sensor 313, fingerprint sensor 314, optical sensor 315, and proximity sensor 316.
The acceleration sensor 311 can detect the magnitudes of accelerations on three coordinate axes of the coordinate system established with the terminal 300. For example, the acceleration sensor 311 may be used to detect components of gravitational acceleration on three coordinate axes. The processor 301 may control the touch display screen 305 to display a user interface in a landscape view or a portrait view according to the gravitational acceleration signal acquired by the acceleration sensor 311. The acceleration sensor 311 may also be used for the acquisition of motion data of a game or a user.
The gyro sensor 312 may detect a body direction and a rotation angle of the terminal 300, and the gyro sensor 312 may collect 3D (three-dimensional) motion of the user to the terminal 300 in cooperation with the acceleration sensor 311. The processor 301 may implement the following functions according to the data collected by the gyro sensor 312: motion sensing (e.g., changing UI according to a tilting operation by a user), image stabilization at shooting, game control, and inertial navigation.
The pressure sensor 313 may be disposed at a side frame of the terminal 300 and/or at a lower layer of the touch screen 305. When the pressure sensor 313 is provided at the side frame of the terminal 300, a grip signal of the terminal 300 by a user may be detected, and left-right hand recognition or shortcut operation may be performed according to the grip signal. When the pressure sensor 313 is disposed at the lower layer of the touch screen 305, control of the operability control on the UI interface can be achieved according to the pressure operation of the user on the touch screen 305. The operability controls include at least one of a button control, a scroll bar control, an icon control, and a menu control.
The fingerprint sensor 314 is used to collect a fingerprint of a user to identify the identity of the user based on the collected fingerprint. Upon recognizing that the user's identity is a trusted identity, the user is authorized by the processor 301 to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying for and changing settings, etc. The fingerprint sensor 314 may be provided on the front, back or side of the terminal 300. When a physical key or a manufacturer Logo is provided on the terminal 300, the fingerprint sensor 314 may be integrated with the physical key or the manufacturer Logo.
The optical sensor 315 is used to collect the ambient light intensity. In one embodiment, processor 301 may control the display brightness of touch screen 305 based on the intensity of ambient light collected by optical sensor 315. Specifically, when the intensity of the ambient light is high, the display brightness of the touch display screen 305 is turned up; when the ambient light intensity is low, the display brightness of the touch display screen 305 is turned down. In another embodiment, the processor 301 may also dynamically adjust the shooting parameters of the camera assembly 306 according to the ambient light intensity collected by the optical sensor 315.
A proximity sensor 316, also referred to as a distance sensor, is typically disposed on the front face of the terminal 300. The proximity sensor 316 is used to collect the distance between the user and the front of the terminal 300. In one embodiment, when the proximity sensor 316 detects a gradual decrease in the distance between the user and the front face of the terminal 300, the processor 301 controls the touch screen 305 to switch from the on-screen state to the off-screen state; when the proximity sensor 316 detects that the distance between the user and the front surface of the terminal 300 gradually increases, the processor 301 controls the touch display screen 305 to switch from the off-screen state to the on-screen state.
Those skilled in the art will appreciate that the structure shown in fig. 3 is not limiting and that more or fewer components than shown may be included or certain components may be combined or a different arrangement of components may be employed.
Example IV
In an exemplary embodiment, a computer readable storage medium is also provided, on which a computer program is stored, which program, when being executed by a processor, implements an integrated brake control assembly boost degradation method as provided by all inventive embodiments of the present application.
Any combination of one or more computer readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
Example five
In an exemplary embodiment, an application program product is also provided that includes one or more instructions executable by the processor 301 of the apparatus to perform an integrated brake control assembly boost degradation method as described above.
Although embodiments of the application have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the application is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. An integrated brake control assembly assist degradation method, comprising:
acquiring a brake liquid level state and judging whether the brake liquid level state is a fault signal or not, and if so, executing a current degradation strategy;
and acquiring pressure-liquid storage amount state data in the current brake loop, executing a real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, and degrading to a mechanical backup mode in the next ignition cycle if the real leakage judging strategy is executed.
2. The integrated brake control assembly boost degradation method of claim 1, wherein the brake fluid level status data comprises: the liquid level normal state data, the liquid level null signal state data and the sensor failure cannot receive the liquid level signal state data.
3. The method of claim 2, wherein the step of obtaining the brake fluid level status and determining whether it is a fault signal comprises:
acquiring whether the brake liquid level state data is liquid level empty signal state data or not and the sensor fails to receive the liquid level signal state data:
if yes, executing the next step for the fault signal;
and if not, repeatedly acquiring the brake liquid level state data.
4. The integrated brake control assembly boost derating method of claim 1, wherein the current derating strategy comprises:
the instrument lights up a brake fault lamp and carries out text prompt;
the current maximum braking force limit is 90bar;
when the brake liquid level state data is liquid level empty state data, the pedal feel change is realized by adjusting the opening and closing of the internal pedal simulator valve.
5. The integrated brake control assembly assist degradation method of claim 1, wherein the acquiring pressure-reservoir status data in a current brake circuit, according to which a true vehicle occurrence leak determination strategy is executed, comprises:
acquiring pressure-liquid storage amount state data in a current brake loop;
obtaining the actual liquid storage amount of the vehicle in a braking pressure-building interval of 10-30bar according to the pressure-liquid storage amount state data in the current braking loop;
obtaining a liquid storage amount difference value according to the actual liquid storage amount and the theoretical liquid storage amount of the vehicle in the braking pressure build-up 10-30bar interval;
judging whether the liquid storage amount difference is larger than a threshold value or not according to the liquid storage amount difference:
if yes, degrading to a mechanical backup mode in the next ignition cycle;
if not, the alarm is considered as false alarm, and the current degradation strategy is executed until the fault is eliminated.
6. An integrated brake control assembly assist degradation device, comprising:
the degradation module is used for acquiring the brake liquid level state and judging whether the brake liquid level state is a fault signal or not, and if yes, executing the current degradation strategy;
and the judging module is used for acquiring the pressure-liquid storage amount state data in the current brake loop, executing a real leakage judging strategy of the vehicle according to the pressure-liquid storage amount state data, and degrading to a mechanical backup mode in the next ignition cycle if the real leakage judging strategy is executed.
7. The integrated brake control assembly assist degradation device of claim 5, wherein the degradation module is further configured to:
acquiring whether the brake liquid level state data is liquid level empty signal state data or not and the sensor fails to receive the liquid level signal state data:
if yes, executing the next step for the fault signal;
and if not, repeatedly acquiring the brake liquid level state data.
8. The integrated brake control assembly assist degradation device of claim 5, wherein the determination module is further configured to:
acquiring pressure-liquid storage amount state data in a current brake loop;
obtaining the actual liquid storage amount of the vehicle in a braking pressure-building interval of 10-30bar according to the pressure-liquid storage amount state data in the current braking loop;
obtaining a liquid storage amount difference value according to the actual liquid storage amount and the theoretical liquid storage amount of the vehicle in the braking pressure build-up 10-30bar interval;
judging whether the liquid storage amount difference is larger than or equal to a threshold value according to the liquid storage amount difference:
if yes, degrading to mechanical backup in the next ignition cycle;
if not, the alarm is considered as false alarm, and the current degradation strategy is executed until the fault is eliminated.
9. A terminal, comprising:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
an integrated brake control assembly boost degradation method according to any one of claims 1 to 5.
10. A non-transitory computer readable storage medium, wherein instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform an integrated brake control assembly boost degradation method according to any one of claims 1 to 5.
CN202310702618.1A 2023-06-14 2023-06-14 Integrated brake control assembly power-assisted degradation method, device and terminal Pending CN116620246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310702618.1A CN116620246A (en) 2023-06-14 2023-06-14 Integrated brake control assembly power-assisted degradation method, device and terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310702618.1A CN116620246A (en) 2023-06-14 2023-06-14 Integrated brake control assembly power-assisted degradation method, device and terminal

Publications (1)

Publication Number Publication Date
CN116620246A true CN116620246A (en) 2023-08-22

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN116620246A (en)

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