CN114370471B - Brake pad wear reminding method, device, equipment and storage medium - Google Patents
Brake pad wear reminding method, device, equipment and storage medium Download PDFInfo
- Publication number
- CN114370471B CN114370471B CN202210007457.XA CN202210007457A CN114370471B CN 114370471 B CN114370471 B CN 114370471B CN 202210007457 A CN202210007457 A CN 202210007457A CN 114370471 B CN114370471 B CN 114370471B
- Authority
- CN
- China
- Prior art keywords
- brake pad
- brake
- target
- abrasion
- wear
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/026—Apparatus for indicating wear using electrical detection or indication means indicating different degrees of lining wear
- F16D66/027—Sensors therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The invention belongs to the technical field of vehicles, and discloses a brake pad abrasion reminding method, a device, equipment and a storage medium. The method comprises the following steps: acquiring a target brake pad parameter and a target brake speed; calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss; acquiring the wear amount of a historical brake pad; and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding. Through the mode, the brake pad parameters and the brake speed are obtained in real time, the accurate brake pad abrasion loss is obtained through calculation of the brake pad parameters and the brake speed, the judgment standard is unified, and the user can be timely reminded of replacing the brake pad by sending the brake pad abrasion loss to the display page for warning.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a brake pad abrasion reminding method, a device, equipment and a storage medium.
Background
The brake pad replacement reminding of the current vehicle is mainly achieved in two modes, one mode is that a sensor or a probe is inserted into the brake pad, the other mode is that a metal sheet is riveted on the back of the brake pad, and when the second scheme is used, sound insulation in the vehicle is good or a driver cannot distinguish sounds made by the metal sheet, the driver cannot replace the brake pad in time, and potential safety hazards can be generated. Both schemes belong to passive reminding, and can not accurately calculate the abrasion loss of the brake pad in real time and timely remind a user of the abrasion loss of the brake pad.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a brake pad abrasion reminding method, device, equipment and storage medium, and aims to solve the technical problem that the abrasion loss of a brake pad cannot be accurately calculated and a user can be timely reminded of the abrasion loss of the brake pad in the prior art.
In order to achieve the above purpose, the invention provides a brake pad wear reminding method, which comprises the following steps:
acquiring a target brake pad parameter and a target brake speed;
calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss;
acquiring the wear amount of a historical brake pad;
and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding.
Optionally, the target brake pad parameter includes at least one of a target brake disc temperature, a target brake line pressure, and a target axle weight;
the calculating based on the target brake pad parameters and the target brake speed through a preset brake pad abrasion model to obtain a corresponding target brake pad abrasion loss comprises the following steps:
and when the target brake pad parameters comprise the target brake disc temperature, the target brake pipeline pressure and the target axle weight, calculating through a preset brake pad abrasion model based on the target brake disc temperature, the target brake pipeline pressure, the target axle weight and the target brake speed to obtain the corresponding target brake pad abrasion amount.
Optionally, before the calculating based on the target brake pad parameter and the target brake speed by the preset brake pad wear model to obtain the corresponding target brake pad wear, the method further includes:
acquiring sample brake pad parameters, sample brake speed and sample brake pad abrasion loss in a preset database;
training the initial brake pad abrasion loss based on the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss to obtain a trained initial brake pad abrasion model;
and taking the trained initial brake pad abrasion model as a preset brake pad abrasion model.
Optionally, the training the initial brake pad wear based on the sample brake pad parameter, the sample brake speed and the corresponding sample brake pad wear to obtain a trained initial brake pad wear model, including:
matching the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss;
training an initial brake pad abrasion model based on the matched sample brake pad parameters, sample brake speed and sample brake pad abrasion loss to obtain a corresponding abrasion coefficient and function relation;
and inputting the abrasion coefficient and the functional relation into the initial brake pad abrasion model to obtain the trained initial brake pad tire abrasion model.
Optionally, the determining the current brake pad wear amount according to the target brake pad wear amount and the historical brake pad wear amount, and sending the current brake pad wear amount to a display page for warning and reminding includes:
determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss;
acquiring a preset brake pad wear limit value;
determining a current brake pad wear ratio according to the preset brake pad wear limit value and the current brake pad wear amount;
and warning and reminding the target brake pad abrasion ratio and the current brake pad abrasion quantity on a display page in a preset display mode.
Optionally, the determining the current brake pad wear amount according to the target brake pad wear amount and the historical brake pad wear amount, and sending the current brake pad wear amount to a display page for warning and reminding, further includes:
judging whether the current brake pad abrasion loss exceeds a preset brake pad abrasion loss threshold value or not;
if the current brake pad abrasion loss exceeds the preset brake pad abrasion loss threshold, sending alarm information to a mobile terminal where a user is located;
judging whether the user receives alarm information in a preset interval time;
and if the user does not receive the alarm information within the preset time interval, sending the alarm information to the display page and the mobile terminal where the user is located again after the preset time interval.
Optionally, before the acquiring the target brake pad parameter and the target braking speed, the method further includes:
acquiring a current master cylinder pressure signal and a current brake lamp signal corresponding to a target brake pad;
judging whether the target vehicle is currently in a braking state or not based on the current master cylinder pressure signal and the current brake lamp signal;
and if the target vehicle is in a braking state currently, executing the step of acquiring the target brake pad parameters and the target braking speed.
In addition, in order to achieve the above object, the present invention further provides a brake pad wear reminding device, including:
the acquisition module is used for acquiring the target brake pad parameters and the target brake speed;
the calculation module is used for calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss;
the acquisition module is also used for acquiring the historical brake pad abrasion loss;
and the reminding module is used for determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss and sending the current brake pad abrasion loss to a display page for warning and reminding.
In addition, in order to achieve the above object, the present invention also provides a brake pad wear reminding device, including: the brake pad wear warning device comprises a memory, a processor and a brake pad wear warning program stored on the memory and capable of running on the processor, wherein the brake pad wear warning program is configured to realize the brake pad wear warning method.
In addition, in order to achieve the above object, the present invention further provides a storage medium, on which a brake pad wear reminding program is stored, which when executed by a processor, implements the brake pad wear reminding method as described above.
According to the invention, the target brake pad parameters and the target brake speed are obtained; calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss; acquiring the wear amount of a historical brake pad; and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding. Through the mode, the brake pad parameters and the brake speed are obtained in real time, the accurate brake pad abrasion loss is obtained through calculation of the brake pad parameters and the brake speed, the judgment standard is unified, and the user can be timely reminded of replacing the brake pad by sending the brake pad abrasion loss to the display page for warning.
Drawings
FIG. 1 is a schematic structural diagram of a brake pad wear alert device for a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart of a brake pad wear notification method according to a first embodiment of the present invention;
FIG. 3 is a flowchart of a second embodiment of a brake pad wear notification method according to the present invention;
fig. 4 is a block diagram of a brake pad wear reminding device according to a first embodiment of the invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a brake pad wear reminding device in a hardware operation environment according to an embodiment of the present invention.
As shown in fig. 1, the brake pad wear warning device may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) Memory or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
Those skilled in the art will appreciate that the configuration shown in FIG. 1 is not limiting of the brake pad wear warning device and may include more or fewer components than shown, or certain components in combination, or a different arrangement of components.
As shown in fig. 1, an operating system, a network communication module, a user interface module, and a brake pad wear warning program may be included in the memory 1005 as one type of storage medium.
In the brake pad wear alert device shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the brake pad wear reminding device can be arranged in the brake pad wear reminding device, and the brake pad wear reminding device calls a brake pad wear reminding program stored in the memory 1005 through the processor 1001 and executes the brake pad wear reminding method provided by the embodiment of the invention.
The embodiment of the invention provides a brake pad wear reminding method, and referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of the brake pad wear reminding method.
In this embodiment, the brake pad wear reminding method includes the following steps:
step S10: and acquiring the target brake pad parameters and the target braking speed.
It should be noted that, the execution main body of the embodiment is an intelligent controller of the vehicle, the intelligent controller obtains the brake pad parameters and the brake speed obtained by various sensors on the vehicle, calculates based on the brake pad parameters and the brake speed to obtain the corresponding brake pad wear amount, combines the historical wear amount of the brake pad to obtain the total current wear amount of the brake pad so far, and finally sends the total current wear amount to a display page, namely a central control screen and an instrument for display.
It is understood that the target brake pad parameters refer to brake related parameters when the vehicle is braked, and the target brake pad parameters include a target brake disc temperature, a target brake line pressure, and a target axle weight.
It is understood that the target braking speed refers to an initial speed at which the vehicle starts braking and a final speed at which braking ends.
In a specific implementation, in order to accurately determine whether the brake pad parameter and the brake speed need to be acquired at present, before acquiring the target brake pad parameter and the target brake speed, the method further includes: acquiring a current master cylinder pressure signal and a current brake lamp signal corresponding to a target brake pad; judging whether the target vehicle is currently in a braking state or not based on the current master cylinder pressure signal and the current brake lamp signal; and if the target vehicle is in a braking state currently, executing the step of acquiring the target brake pad parameters and the target braking speed.
The current master cylinder pressure signal and the current brake lamp signal are signals for judging whether the current vehicle starts braking, and when the current brake signal lamp is on and the current master cylinder pressure signal accords with the master cylinder pressure signal during braking, the current braking state of the target vehicle is indicated, and the step of acquiring the target brake pad parameter and the target brake speed is executed at the moment.
Step S20: and calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss.
It should be noted that, the preset brake pad wear model is a model which is trained in advance and can calculate the corresponding target brake pad wear amount through the target brake pad parameters and the target brake speed.
It will be appreciated that the single wear function in the brake pad wear model is presetWherein N is the target axle weight; v 0 Is the initial braking speed; v i Is the brake end speed; epsilon is the single brake pad wear; t is the brake disc temperature; p is brake line pressure; k is the wear scaling factor; a. b is a temperature dependent wear parameter; m, n are wear parameters related to pressure; the total brake pad wear is the sum of the single brake pad wear.
In a specific implementation, in order to obtain more accurate target brake pad parameters so as to calculate the brake pad wear, further, the target brake pad parameters include at least one of a target brake disc temperature, a target brake line pressure and a target axle weight; the calculating based on the target brake pad parameters and the target brake speed through a preset brake pad abrasion model to obtain a corresponding target brake pad abrasion loss comprises the following steps: and when the target brake pad parameters comprise the target brake disc temperature, the target brake pipeline pressure and the target axle weight, calculating through a preset brake pad abrasion model based on the target brake disc temperature, the target brake pipeline pressure, the target axle weight and the target brake speed to obtain the corresponding target brake pad abrasion amount.
The target brake pad parameter refers to a brake related parameter when the vehicle brakes, the target brake pad parameter includes a target brake disc temperature, a target brake line pressure and a target axle weight, the target brake disc temperature T refers to a temperature of the brake disc when the vehicle brakes, the target brake line pressure P refers to a brake line pressure when the vehicle brakes, and the target axle weight N refers to a vehicle axle weight.
It can be appreciated that after the target brake disc temperature, the target brake line pressure, the target axle weight, and the target brake speed are obtained, the target brake line pressure, the target axle weight, and the target brake speed are calculated through a preset brake pad wear model based on the target brake disc temperature, so that the corresponding target brake pad wear amount can be obtained.
Step S30: and acquiring the wear amount of the historical brake pad.
The historical brake pad wear refers to the corresponding brake pad wear of the vehicle during each braking operation.
Step S40: and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding.
The current brake pad wear refers to the total wear of the brake pad after the target vehicle completes the current braking.
It can be understood that after the current brake pad wear amount is obtained, the obtained target brake pad wear amount is sent to a display page, namely a central control screen or an instrument for display.
In a specific implementation, in order to make the display of the brake pad wear clearer and more visible, further, the determining the current brake pad wear according to the target brake pad wear and the historical brake pad wear, and sending the current brake pad wear to a display page for warning and reminding includes: determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss; acquiring a preset brake pad wear limit value; determining a current brake pad wear ratio according to the preset brake pad wear limit value and the current brake pad wear amount; and warning and reminding the target brake pad abrasion ratio and the current brake pad abrasion quantity on a display page in a preset display mode.
It should be noted that, the preset brake pad wear limit value refers to a value of a maximum wear amount that a user or an administrator preset a brake pad can bear, and after the current brake pad wear amount and the preset brake pad wear limit value are obtained, the current brake pad wear ratio can be obtained according to the ratio of the current brake pad wear amount and the preset brake pad wear limit value.
It can be understood that the preset display mode refers to a circular comparison display mode, the current brake pad abrasion ratio is displayed in a display page, namely a vehicle central control screen or a meter by using a circular percentage disc, and the current brake pad abrasion amount value is displayed in the display page, namely the vehicle central control screen or the meter.
In a specific implementation, in order to better initiate a warning to a vehicle user or an administrator, so as to remind them to replace a brake pad in time, thereby reducing the occurrence of dangerous accidents, further, the method includes determining the current brake pad wear according to the target brake pad wear and the historical brake pad wear, and sending the current brake pad wear to a display page for warning, and then further includes: judging whether the current brake pad abrasion loss exceeds a preset brake pad abrasion loss threshold value or not; if the current brake pad abrasion loss exceeds the preset brake pad abrasion loss threshold, sending alarm information to a mobile terminal where a user is located; judging whether the user receives alarm information in a preset interval time; and if the user does not receive the alarm information within the preset time interval, sending the alarm information to the display page and the mobile terminal where the user is located again after the preset time interval.
The preset brake pad abrasion loss threshold value refers to an alarm threshold value set by an administrator or a user, after the current brake pad abrasion loss exceeds the preset brake pad abrasion loss threshold value, the current brake pad abrasion loss and the current brake pad abrasion ratio are displayed on a display page in daily life, and replacement warning information is popped up on the display page, and the user or the mobile terminal where the administrator is located is sent to alarm and replace the brake pad information to further remind the user of replacing the brake pad.
It can be understood that the preset time interval refers to a time interval preset by a user or an administrator, the alarm information includes a confirmation receiving instruction, when the user or the administrator clicks down, the current user can be confirmed to receive the alarm information, and if the user or the administrator does not receive the alarm information after the preset time interval, that is, does not click down the confirmation receiving instruction in the alarm information, the alarm information is sent to the display page and the mobile terminal where the user is located again.
The method comprises the steps of obtaining a target brake pad parameter and a target brake speed; calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss; acquiring the wear amount of a historical brake pad; and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding. Through the mode, the brake pad parameters and the brake speed are obtained in real time, the accurate brake pad abrasion loss is obtained through calculation of the brake pad parameters and the brake speed, the judgment standard is unified, and the user can be timely reminded of replacing the brake pad by sending the brake pad abrasion loss to the display page for warning.
Referring to fig. 3, fig. 3 is a flowchart of a second embodiment of a brake pad wear reminding method according to the present invention.
Based on the above first embodiment, the brake pad wear reminding method of the present embodiment further includes, before the step S20:
step S201: and acquiring sample brake pad parameters, sample brake speed and sample brake pad abrasion loss in a preset database.
It should be noted that the preset database refers to a database storing a large number of brake pad parameters, brake parameters and brake pad wear amounts, and the sample brake pad parameters, sample brake speed and sample brake pad wear amounts refer to data for training an initial brake pad wear model, and the sample brake pad parameters include a sample brake disc temperature, a sample brake pipeline pressure and a sample axle weight.
Step S202: and training the initial brake pad abrasion loss based on the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss to obtain a trained initial brake pad abrasion model.
After the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss are obtained, training the initial brake pad abrasion model based on matching of the corresponding sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss to obtain a trained initial brake pad abrasion model, and calculating the trained initial brake pad abrasion model according to the obtained brake pad parameters and the obtained brake speed to finally obtain the corresponding brake pad abrasion loss.
In a specific implementation, in order to better train the initial brake pad wear model to finally obtain an accurate preset brake pad wear model, further, train the initial brake pad wear based on the sample brake pad parameters, the sample brake speed and the corresponding sample brake pad wear, obtain a trained initial brake pad wear model, including: matching the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss; training an initial brake pad abrasion model based on the matched sample brake pad parameters, sample brake speed and sample brake pad abrasion loss to obtain a corresponding abrasion coefficient and function relation; and inputting the abrasion coefficient and the functional relation into the initial brake pad abrasion model to obtain the trained initial brake pad abrasion model.
The matching of the sample brake pad parameter, the sample brake speed and the sample brake pad wear amount means matching the corresponding brake pad wear amounts for the sample brake pad parameter and the sample brake speed.
It is understood that the wear coefficient refers to the wear coefficient associated with the brake disc temperature and brake line pressure and the functional relationship refers to the functional relationship between brake pad wear and brake disc temperature, brake line pressure, axle weight, and brake speed.
In specific implementation, training an initial brake pad abrasion model based on the matched sample brake pad parameters, sample brake speed and sample brake pad abrasion loss to obtain a and b which are abrasion parameters related to temperature; m and n are wear parameters related to pressure, and the brake pad parameters, the braking speed and the wear amountThe functional relation between them is
Step S203: and taking the trained initial brake pad abrasion model as a preset brake pad abrasion model.
In the embodiment, the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss in a preset database are obtained; training the initial brake pad abrasion loss based on the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss to obtain a trained initial brake pad abrasion model; and taking the trained initial brake pad abrasion model as a preset brake pad abrasion model. The initial brake pad abrasion model is trained through the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss, and the finally obtained preset brake pad abrasion model capable of accurately calculating the brake pad abrasion loss unifies the judgment standard for the brake pad abrasion loss.
In addition, referring to fig. 4, an embodiment of the present invention further provides a brake pad wear reminding device, where the brake pad wear reminding device includes:
the acquisition module 10 is configured to acquire a target brake pad parameter and a target braking speed.
And the calculating module 20 is configured to calculate, based on the target brake pad parameter and the target brake speed, through a preset brake pad wear model, to obtain a corresponding target brake pad wear.
The acquiring module 10 is further configured to acquire a historical brake pad wear amount.
And the reminding module 30 is used for determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding.
The method comprises the steps of obtaining a target brake pad parameter and a target brake speed; calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion loss; acquiring the wear amount of a historical brake pad; and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding. Through the mode, the brake pad parameters and the brake speed are obtained in real time, the accurate brake pad abrasion loss is obtained through calculation of the brake pad parameters and the brake speed, the judgment standard is unified, and the user can be timely reminded of replacing the brake pad by sending the brake pad abrasion loss to the display page for warning.
In an embodiment, the calculating module 20 is further configured to calculate, when the target brake pad parameter includes a target brake disc temperature, a target brake line pressure, and a target axle weight, a corresponding target brake pad wear amount by a preset brake pad wear model based on the target brake disc temperature, the target brake line pressure, the target axle weight, and the target brake speed.
In an embodiment, the calculating module 20 is further configured to obtain a sample brake pad parameter, a sample brake speed, and a sample brake pad wear in a preset database;
training the initial brake pad abrasion loss based on the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss to obtain a trained initial brake pad abrasion model;
and taking the trained initial brake pad abrasion model as a preset brake pad abrasion model.
In an embodiment, the calculating module 20 is further configured to match the sample brake pad parameter, the sample brake speed, and the sample brake pad wear;
training an initial brake pad abrasion model based on the matched sample brake pad parameters, sample brake speed and sample brake pad abrasion loss to obtain a corresponding abrasion coefficient and function relation;
and inputting the abrasion coefficient and the functional relation into the initial brake pad abrasion model to obtain the trained initial brake pad tire abrasion model.
In an embodiment, the reminding module 30 is further configured to determine a current brake pad wear according to the target brake pad wear and the historical brake pad wear;
acquiring a preset brake pad wear limit value;
determining a current brake pad wear ratio according to the preset brake pad wear limit value and the current brake pad wear amount;
and warning and reminding the target brake pad abrasion ratio and the current brake pad abrasion quantity on a display page in a preset display mode.
In an embodiment, the reminding module 30 is further configured to determine whether the current brake pad wear exceeds a preset brake pad wear threshold;
if the current brake pad abrasion loss exceeds the preset brake pad abrasion loss threshold, sending alarm information to a mobile terminal where a user is located;
judging whether the user receives alarm information in a preset interval time;
and if the user does not receive the alarm information within the preset time interval, sending the alarm information to the display page and the mobile terminal where the user is located again after the preset time interval.
In an embodiment, the obtaining module 10 is further configured to obtain a current master cylinder pressure signal and a current brake lamp signal corresponding to the target brake pad;
judging whether the target vehicle is currently in a braking state or not based on the current master cylinder pressure signal and the current brake lamp signal;
and if the target vehicle is in a braking state currently, executing the step of acquiring the target brake pad parameters and the target braking speed.
Because the device adopts all the technical schemes of all the embodiments, the device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted here.
In addition, the embodiment of the invention also provides a storage medium, wherein a brake pad wear reminding program is stored on the storage medium, and the brake pad wear reminding program realizes the steps of the brake pad wear reminding method when being executed by a processor.
Because the storage medium adopts all the technical schemes of all the embodiments, the storage medium has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted here.
It should be noted that the above-described working procedure is merely illustrative, and does not limit the scope of the present invention, and in practical application, a person skilled in the art may select part or all of them according to actual needs to achieve the purpose of the embodiment, which is not limited herein.
In addition, technical details not described in detail in the present embodiment may refer to the brake pad wear reminding method provided in any embodiment of the present invention, and are not described herein again.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. Read Only Memory)/RAM, magnetic disk, optical disk) and including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. The brake pad wear reminding method is characterized by comprising the following steps of:
acquiring a target brake pad parameter and a target brake speed;
calculating through a preset brake pad abrasion model based on the target brake pad parameters and the target brake speed to obtain a corresponding target brake pad abrasion amount, wherein a single abrasion function in the preset brake pad abrasion modelWherein->Is the target axle weight; />Is the initial braking speed; />Is the brake end speed;is single brake pad abrasion; />Is the brake disc temperature; />Is brake line pressure; />Is the wear scale factor; />Is a temperature dependent wear parameter; />Is a wear parameter related to pressure;
acquiring the wear amount of a historical brake pad;
and determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss, and sending the current brake pad abrasion loss to a display page for warning and reminding.
2. The brake pad wear warning method of claim 1, wherein the target brake pad parameter includes at least one of a target brake disc temperature, a target brake line pressure, and a target axle weight;
the calculating based on the target brake pad parameters and the target brake speed through a preset brake pad abrasion model to obtain a corresponding target brake pad abrasion loss comprises the following steps:
and when the target brake pad parameters comprise the target brake disc temperature, the target brake pipeline pressure and the target axle weight, calculating through a preset brake pad abrasion model based on the target brake disc temperature, the target brake pipeline pressure, the target axle weight and the target brake speed to obtain the corresponding target brake pad abrasion amount.
3. The brake pad wear reminding method according to claim 1, wherein before the calculation is performed by a preset brake pad wear model based on the target brake pad parameter and the target brake speed, the method further comprises:
acquiring sample brake pad parameters, sample brake speed and sample brake pad abrasion loss in a preset database;
training the initial brake pad abrasion loss based on the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss to obtain a trained initial brake pad abrasion model;
and taking the trained initial brake pad abrasion model as a preset brake pad abrasion model.
4. The brake pad wear alert method according to claim 3, wherein the training the initial brake pad wear based on the sample brake pad parameters, the sample brake speed, and the corresponding sample brake pad wear to obtain the trained initial brake pad wear model comprises:
matching the sample brake pad parameters, the sample brake speed and the sample brake pad abrasion loss;
training an initial brake pad abrasion model based on the matched sample brake pad parameters, sample brake speed and sample brake pad abrasion loss to obtain a corresponding abrasion coefficient and function relation;
and inputting the abrasion coefficient and the functional relation into the initial brake pad abrasion model to obtain the trained initial brake pad tire abrasion model.
5. The brake pad wear reminding method according to claim 1, wherein the determining the current brake pad wear according to the target brake pad wear and the historical brake pad wear and sending the current brake pad wear to a display page for warning and reminding comprises:
determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss;
acquiring a preset brake pad wear limit value;
determining a current brake pad wear ratio according to the preset brake pad wear limit value and the current brake pad wear amount;
and warning and reminding the current brake pad abrasion ratio and the current brake pad abrasion quantity on a display page in a preset display mode.
6. The method for reminding the abrasion of the brake pad according to claim 1, wherein the method for reminding the abrasion of the brake pad according to the target abrasion of the brake pad and the historic abrasion of the brake pad, after determining the abrasion of the current brake pad and sending the abrasion of the current brake pad to a display page for reminding, further comprises:
judging whether the current brake pad abrasion loss exceeds a preset brake pad abrasion loss threshold value or not;
if the current brake pad abrasion loss exceeds the preset brake pad abrasion loss threshold, sending alarm information to a mobile terminal where a user is located;
judging whether the user receives alarm information in a preset interval time;
and if the user does not receive the alarm information within the preset time interval, sending the alarm information to the display page and the mobile terminal where the user is located again after the preset time interval.
7. The brake pad wear warning method according to any one of claims 1 to 6, characterized in that before the target brake pad parameter and the target brake speed are obtained, further comprising:
acquiring a current master cylinder pressure signal and a current brake lamp signal corresponding to a target brake pad;
judging whether the target vehicle is currently in a braking state or not based on the current master cylinder pressure signal and the current brake lamp signal;
and if the target vehicle is in a braking state currently, executing the step of acquiring the target brake pad parameters and the target braking speed.
8. Brake block wearing and tearing reminding device, its characterized in that, brake block wearing and tearing reminding device includes:
the acquisition module is used for acquiring the target brake pad parameters and the target brake speed;
a calculation module for based on the purposeThe standard brake block parameters and the target brake block speeds are calculated through a preset brake block abrasion model to obtain corresponding target brake block abrasion loss, and a single abrasion function in the preset brake block abrasion model is obtainedWherein->Is the target axle weight; />Is the initial braking speed; />Is the brake end speed;is single brake pad abrasion; />Is the brake disc temperature; />Is brake line pressure; />Is the wear scale factor; />Is a temperature dependent wear parameter; />Is a wear parameter related to pressure;
the acquisition module is also used for acquiring the historical brake pad abrasion loss;
and the reminding module is used for determining the current brake pad abrasion loss according to the target brake pad abrasion loss and the historical brake pad abrasion loss and sending the current brake pad abrasion loss to a display page for warning and reminding.
9. A brake pad wear alert device, the device comprising: a memory, a processor, and a brake pad wear alert program stored on the memory and operable on the processor, the brake pad wear alert program configured to implement the brake pad wear alert method of any one of claims 1 to 7.
10. A storage medium, wherein a brake pad wear warning program is stored on the storage medium, and the brake pad wear warning program, when executed by a processor, implements the brake pad wear warning method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210007457.XA CN114370471B (en) | 2022-01-05 | 2022-01-05 | Brake pad wear reminding method, device, equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210007457.XA CN114370471B (en) | 2022-01-05 | 2022-01-05 | Brake pad wear reminding method, device, equipment and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114370471A CN114370471A (en) | 2022-04-19 |
| CN114370471B true CN114370471B (en) | 2023-09-01 |
Family
ID=81142324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210007457.XA Active CN114370471B (en) | 2022-01-05 | 2022-01-05 | Brake pad wear reminding method, device, equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114370471B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115009249B (en) * | 2022-06-24 | 2023-11-03 | 深蓝汽车科技有限公司 | Method, system and computer readable storage medium for reminding maintenance or replacement of brake pads |
| CN116717555B (en) * | 2023-07-24 | 2024-02-02 | 深圳市泉立威电子科技有限公司 | Safety analysis method and system based on brake pad abrasion and temperature monitoring |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794825A1 (en) * | 1999-06-10 | 2000-12-15 | Peugeot Citroen Automobiles Sa | Method of prevention of excessive wear of motor vehicle brake linings uses model of braking operation based on physical parameters and correspondence table |
| DE10029238A1 (en) * | 2000-06-14 | 2001-12-20 | Bayerische Motoren Werke Ag | Brake lining thickness monitoring method for vehicle braking system, involves computing wear using actuating time, pressure, relative speed between brake lining and element and temperature in brake lining region |
| EP1384638A2 (en) * | 2002-07-25 | 2004-01-28 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Method and device for monitoring the operational state and/or the wear of brake linings and/or brake discs of a vehicle brake |
| JP2005300462A (en) * | 2004-04-15 | 2005-10-27 | Toyota Motor Corp | Travel-supporting apparatus |
| WO2009016047A1 (en) * | 2007-07-27 | 2009-02-05 | Robert Bosch Gmbh | Method for monitoring the strength of at least one frictional partner of a vehicle frictional brake |
| CN101821528A (en) * | 2007-10-10 | 2010-09-01 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Bremsbacke |
| JP2012032002A (en) * | 2000-06-14 | 2012-02-16 | Robert Bosch Gmbh | Method for monitoring thickness of at least one friction partner of vehicle friction brake, especially brake lining of vehicle brake device and stabilizing device and method of combined vehicle |
| DE102012023968A1 (en) * | 2012-12-07 | 2014-06-12 | Wabco Gmbh | Method and apparatus for transmitting telematics data from a truck to a telematics portal |
| CN106594131A (en) * | 2015-10-16 | 2017-04-26 | 比亚迪股份有限公司 | Brake pad abrasion early-warning method and system |
| CN109693146A (en) * | 2017-10-23 | 2019-04-30 | 发那科株式会社 | Service life estimating device and machine learning device |
| CN110257813A (en) * | 2019-07-10 | 2019-09-20 | 上海君山表面技术工程股份有限公司 | Antioxidant wear-resistant composite coating |
| CN110614988A (en) * | 2018-06-19 | 2019-12-27 | Zf主动安全有限公司 | Technique for determining a wear value indicative of the wear of a friction pad of a vehicle brake |
| CN110630663A (en) * | 2019-09-20 | 2019-12-31 | 广州市李及李科技有限公司 | Method and system for predicting brake pad wear condition |
| CN110905951A (en) * | 2019-12-10 | 2020-03-24 | 深圳鼎然信息科技有限公司 | Method, device, equipment and medium for dynamically monitoring automobile brake pad abrasion in real time |
| CN111140611A (en) * | 2019-12-13 | 2020-05-12 | 一汽解放汽车有限公司 | Brake friction plate wear prediction method and device, vehicle and storage medium |
| CN111322333A (en) * | 2018-12-14 | 2020-06-23 | 海卓-艾尔公司（柯瑞恩公司的子公司） | System and method for reducing aircraft brake wear |
| CN111536177A (en) * | 2020-04-07 | 2020-08-14 | 宁波吉利汽车研究开发有限公司 | Automobile brake pad abrasion thickness detection structure and automobile brake pad active return structure |
| CN111656043A (en) * | 2018-01-26 | 2020-09-11 | 瑞维安知识产权控股有限责任公司 | Method, system, and medium for non-contact brake pad wear determination |
| JP2020183767A (en) * | 2019-04-26 | 2020-11-12 | 株式会社東芝 | Abrasion prediction device, abrasion prediction method and computer program |
| CN112943831A (en) * | 2019-12-11 | 2021-06-11 | 宁波吉利汽车研究开发有限公司 | Method and device for reminding replacement of brake pad based on Internet of vehicles big data |
| CN113051802A (en) * | 2021-04-02 | 2021-06-29 | 东风汽车集团股份有限公司 | Friction plate optimization method based on contact pressure of friction plate and brake disc |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9416835B2 (en) * | 2014-11-13 | 2016-08-16 | GM Global Technology Operations LLC | Method of estimating brake pad wear and vehicle having a controller that implements the method |
| JP6647122B2 (en) * | 2016-04-07 | 2020-02-14 | 三菱重工エンジニアリング株式会社 | Wear inspection apparatus and wear inspection method |
| US20190107163A1 (en) * | 2017-10-10 | 2019-04-11 | GM Global Technology Operations LLC | Brake pad wear estimation |
| US11400900B2 (en) * | 2020-03-03 | 2022-08-02 | Hamilton Sundstrand Corporation | Selective friction brake allocation during taxi |
-
2022
- 2022-01-05 CN CN202210007457.XA patent/CN114370471B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794825A1 (en) * | 1999-06-10 | 2000-12-15 | Peugeot Citroen Automobiles Sa | Method of prevention of excessive wear of motor vehicle brake linings uses model of braking operation based on physical parameters and correspondence table |
| DE10029238A1 (en) * | 2000-06-14 | 2001-12-20 | Bayerische Motoren Werke Ag | Brake lining thickness monitoring method for vehicle braking system, involves computing wear using actuating time, pressure, relative speed between brake lining and element and temperature in brake lining region |
| JP2012032002A (en) * | 2000-06-14 | 2012-02-16 | Robert Bosch Gmbh | Method for monitoring thickness of at least one friction partner of vehicle friction brake, especially brake lining of vehicle brake device and stabilizing device and method of combined vehicle |
| EP1384638A2 (en) * | 2002-07-25 | 2004-01-28 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Method and device for monitoring the operational state and/or the wear of brake linings and/or brake discs of a vehicle brake |
| JP2005300462A (en) * | 2004-04-15 | 2005-10-27 | Toyota Motor Corp | Travel-supporting apparatus |
| WO2009016047A1 (en) * | 2007-07-27 | 2009-02-05 | Robert Bosch Gmbh | Method for monitoring the strength of at least one frictional partner of a vehicle frictional brake |
| CN101821528A (en) * | 2007-10-10 | 2010-09-01 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Bremsbacke |
| DE102012023968A1 (en) * | 2012-12-07 | 2014-06-12 | Wabco Gmbh | Method and apparatus for transmitting telematics data from a truck to a telematics portal |
| CN106594131A (en) * | 2015-10-16 | 2017-04-26 | 比亚迪股份有限公司 | Brake pad abrasion early-warning method and system |
| CN109693146A (en) * | 2017-10-23 | 2019-04-30 | 发那科株式会社 | Service life estimating device and machine learning device |
| CN111656043A (en) * | 2018-01-26 | 2020-09-11 | 瑞维安知识产权控股有限责任公司 | Method, system, and medium for non-contact brake pad wear determination |
| CN110614988A (en) * | 2018-06-19 | 2019-12-27 | Zf主动安全有限公司 | Technique for determining a wear value indicative of the wear of a friction pad of a vehicle brake |
| CN111322333A (en) * | 2018-12-14 | 2020-06-23 | 海卓-艾尔公司（柯瑞恩公司的子公司） | System and method for reducing aircraft brake wear |
| JP2020183767A (en) * | 2019-04-26 | 2020-11-12 | 株式会社東芝 | Abrasion prediction device, abrasion prediction method and computer program |
| CN110257813A (en) * | 2019-07-10 | 2019-09-20 | 上海君山表面技术工程股份有限公司 | Antioxidant wear-resistant composite coating |
| CN110630663A (en) * | 2019-09-20 | 2019-12-31 | 广州市李及李科技有限公司 | Method and system for predicting brake pad wear condition |
| CN110905951A (en) * | 2019-12-10 | 2020-03-24 | 深圳鼎然信息科技有限公司 | Method, device, equipment and medium for dynamically monitoring automobile brake pad abrasion in real time |
| CN112943831A (en) * | 2019-12-11 | 2021-06-11 | 宁波吉利汽车研究开发有限公司 | Method and device for reminding replacement of brake pad based on Internet of vehicles big data |
| CN111140611A (en) * | 2019-12-13 | 2020-05-12 | 一汽解放汽车有限公司 | Brake friction plate wear prediction method and device, vehicle and storage medium |
| CN111536177A (en) * | 2020-04-07 | 2020-08-14 | 宁波吉利汽车研究开发有限公司 | Automobile brake pad abrasion thickness detection structure and automobile brake pad active return structure |
| CN113051802A (en) * | 2021-04-02 | 2021-06-29 | 东风汽车集团股份有限公司 | Friction plate optimization method based on contact pressure of friction plate and brake disc |
Non-Patent Citations (1)
| Title |
|---|
| 轮胎压力监测及控制***分析;戴新红;;当代旅游(高尔夫旅行)(第12期);第202页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114370471A (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114370471B (en) | Brake pad wear reminding method, device, equipment and storage medium | |
| JP4469297B2 (en) | Driving diagnosis method and apparatus | |
| CN111656043B (en) | Method, system, and medium for non-contact brake pad wear determination | |
| EP2290633A1 (en) | Computer-implemented method for ensuring the privacy of a user, computer program product, device | |
| CN106618524A (en) | Incapacitated driving detection and prevention | |
| KR102090421B1 (en) | The system computing safe driving habit index of car | |
| CN112943831B (en) | Method and device for reminding replacement of brake pad based on Internet of vehicles big data | |
| WO2020031103A1 (en) | Method and device for detecting and providing braking assessment information, indicative of a particulate emission due to the use of a vehicle braking system | |
| CN109177983B (en) | Vehicle running state monitoring method, device and equipment | |
| CN115009249B (en) | Method, system and computer readable storage medium for reminding maintenance or replacement of brake pads | |
| CN112149908A (en) | Vehicle driving prediction method, system, computer device and readable storage medium | |
| WO2024036838A1 (en) | Intelligent maintenance method and apparatus for range-extended vehicle, electronic device, and storage medium | |
| CN115782911B (en) | Data processing method and related device for steering wheel hand-off event in driving scene | |
| CN114572180B (en) | Vehicle braking diagnosis method and device, electronic device and medium | |
| CN114475093B (en) | Tire wear reminding method, device, equipment and storage medium | |
| CN114419888A (en) | Safety early warning method, device, equipment and storage medium for freight vehicle | |
| US20220392339A1 (en) | Method and device for generating driving suggestion, and computer-readable storage medium | |
| CN116118752A (en) | Tire wear early warning method and device, electronic equipment and storage medium | |
| JP4039914B2 (en) | Risk management method using vehicle operation information | |
| US20210146945A1 (en) | Method of calculating stopping distance and related devices | |
| CN111452798A (en) | Driver state detection method and device, electronic equipment and storage medium | |
| CN110827152A (en) | Insurance evaluation method, system and server | |
| JP2021117840A (en) | Information processing device, information processing method, and program | |
| JP6692610B2 (en) | Detecting program, detecting method and detecting device | |
| CN116451442A (en) | Reminding method and device for replacing battery of tire pressure detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |