CN116476851B - Vehicle data processing method and device, electronic equipment and storage medium - Google Patents
Vehicle data processing method and device, electronic equipment and storage medium Download PDFInfo
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0002—Automatic control, details of type of controller or control system architecture
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- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/14—Yaw
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/28—Wheel speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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Abstract
The embodiment of the invention discloses a vehicle data processing method, a device, electronic equipment and a storage medium, wherein the method comprises the following steps: acquiring data to be acquired corresponding to a vehicle anti-lock system; determining index values corresponding to various evaluation indexes of the vehicle anti-lock system based on the data to be acquired and the data processing unit; and inputting the index values into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result. The technical scheme of the embodiment of the invention solves the problems that the traditional anti-lock system optimization method needs to adjust corresponding parameter indexes according to different experimental scenes, data processing, quantitative analysis and complex and redundant work are needed after data are acquired, and the analyzed data are not comprehensive enough, thereby improving the accuracy and the comprehensiveness of quantitative evaluation of the anti-lock system of the automobile, reducing the quantitative analysis time, and being suitable for different scenes.
Description
Technical Field
The present invention relates to the field of vehicle control technologies, and in particular, to a vehicle data processing method, device, electronic apparatus, and storage medium.
Background
One of the features of the development of automobile technology is that more and more components are controlled by electronic signals, and particularly, with the proposal of new energy automobiles and the concept of internet of vehicles, more and more electronic components are on the vehicles. The sensors of the automobile comprise an ABS sensor, a temperature sensor, a wheel speed sensor, an oxygen sensor, a cooling liquid temperature sensor and the like.
The traditional ABS quantification method needs to carry out different emergency braking tests according to driving scenes, such as a straight-line driving emergency braking test, and mainly evaluates parameter indexes of braking distance, braking deceleration and braking offset of the vehicle with the ABS. The steering driving emergency braking experiment is mainly used for evaluating the parameter indexes such as yaw rate, slip angle, snake-shaped state and the like of the ABS vehicle. The traditional quantization method needs to adjust quantization parameters according to experimental scenes, the types of the collected data need to be adjusted, data processing, quantization analysis and complex work are needed after the data are collected, and the analyzed data are not comprehensive enough.
Disclosure of Invention
The invention provides a vehicle data processing method, a device, electronic equipment and a storage medium, which are used for improving accuracy and comprehensiveness of quantitative evaluation of an anti-lock braking system of an automobile, reducing quantitative analysis time and being suitable for different scenes.
According to an aspect of the present invention, there is provided a vehicle data processing method including:
acquiring data to be acquired corresponding to a vehicle anti-lock braking system, wherein the data to be acquired comprises wheel speed data, yaw angle data, longitude and latitude data and steering wheel rotation angle data;
determining index values corresponding to various evaluation indexes of the vehicle anti-lock braking system based on the data to be acquired and the data processing unit;
and inputting each index value into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result.
According to another aspect of the present invention, there is provided a processing apparatus of vehicle data, including:
the system comprises a data acquisition module, a control module and a control module, wherein the data acquisition module is used for acquiring data to be acquired corresponding to a vehicle anti-lock system, and the data to be acquired comprises wheel speed data, yaw angle data, longitude and latitude data and steering wheel angle data;
the data processing module is used for determining index values corresponding to various evaluation indexes of the vehicle anti-lock braking system based on the data to be acquired and the data processing unit;
and the system evaluation module is used for inputting the index values into the analysis and quantization system to obtain an evaluation result of the vehicle anti-lock system, and carrying out parameter optimization on the vehicle anti-lock system based on the evaluation result.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the method of processing vehicle data according to any one of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to execute a method for processing vehicle data according to any one of the embodiments of the present invention.
According to the technical scheme, data to be acquired corresponding to the anti-lock braking system of the vehicle are acquired; determining index values corresponding to various evaluation indexes of the vehicle anti-lock system based on the data to be acquired and the data processing unit; and inputting the index values into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result. The technical scheme of the embodiment of the invention solves the problems that the traditional anti-lock system optimization method needs to adjust corresponding parameter indexes according to different experimental scenes, data processing, quantitative analysis and complex and redundant work are needed after data are acquired, and the analyzed data are not comprehensive enough, thereby improving the accuracy and the comprehensiveness of quantitative evaluation of the anti-lock system of the automobile, reducing the quantitative analysis time, and being suitable for different scenes.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of a method for processing vehicle data according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for processing vehicle data according to a second embodiment of the present invention;
FIG. 3 is a block diagram of a collection system;
FIG. 4 is a real-time display of quantized data;
fig. 5 is a schematic structural diagram of a vehicle data processing device according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a vehicle data processing method according to an embodiment of the present invention, where the method may be performed by a vehicle data processing device, and the vehicle data processing device may be implemented in hardware and/or software, and the vehicle data processing device may be configured in an electronic device. As shown in fig. 1, the method includes:
s110, acquiring data to be acquired corresponding to a vehicle anti-lock braking system, wherein the data to be acquired comprises wheel speed data, yaw angle data, longitude and latitude data and steering wheel angle data.
The data to be processed can be understood as data acquired through a sensor on a vehicle, the wheel speed data refers to the speed of the wheel, the yaw angle refers to the angle of the vehicle deviating from a target track, the longitude and latitude data refers to longitude and latitude information corresponding to the position of the vehicle, and the steering wheel angle refers to the angle of steering wheel rotation.
It will be appreciated that the data to be acquired corresponding to the anti-lock braking system of the vehicle is acquired from the sensors of the vehicle, for example, by accessing the sensor system of the vehicle through a preset communication protocol to acquire the wheel speed value, yaw angle, longitude and latitude data and steering wheel angle data of the vehicle.
On the basis of the technical scheme, the method for acquiring the data to be acquired corresponding to the vehicle anti-lock braking system comprises the following steps: acquiring wheel speed data of the vehicle based on a wheel speed sensor, and determining yaw angle data and longitude and latitude data of the vehicle based on a combined navigation module; and acquiring steering wheel angle data corresponding to the steering wheel of the vehicle based on the angle sensor.
In practical application, the wheel speed value of the vehicle can be obtained as the wheel speed data of the vehicle through a wheel speed sensor of the vehicle; the integrated navigation module is used for acquiring longitude and latitude information of the vehicle, namely determining the position of the vehicle based on the longitude and latitude information, and calculating yaw angle data of the vehicle if the position of the vehicle deviates from a preset route. Further, the steering angle sensor is arranged at the steering wheel of the vehicle, so that the steering angle of the steering wheel of the vehicle can be collected, and the collected steering angle is used as steering wheel steering angle data.
And S120, determining index values corresponding to various evaluation indexes of the vehicle anti-lock braking system based on the data to be acquired and the data processing unit.
The data processing unit may be a unit for processing data to be acquired, the evaluation index refers to a reference index for evaluating the anti-lock braking system of the vehicle, and the corresponding index data is a specific numerical value of the reference index.
Specifically, the data processing unit may process the data to be acquired to obtain index values corresponding to each evaluation index of the anti-lock braking system of the vehicle. That is, the data to be acquired is subjected to processing such as calculation, etc., to obtain some index data for evaluating the performance of the vehicle antilock brake system.
On the basis of the above technical scheme, the determining, based on the data to be acquired and the data processing unit, the index values corresponding to the evaluation indexes of the anti-lock braking system of the vehicle includes: the data processing unit is used for processing the wheel speed data to obtain a slip rate value corresponding to the vehicle anti-lock braking system, and processing the longitude and latitude data to obtain a braking distance value corresponding to the vehicle anti-lock braking system; and determining a corresponding braking deceleration value of the anti-lock braking system of the vehicle based on the braking distance value of the vehicle and the corresponding braking time.
Specifically, the wheel speed of the vehicle is processed through a data processing unit to obtain the slip rate of the anti-lock braking system of the vehicle; and processing the longitude and latitude of the vehicle to obtain the braking distance of the vehicle, namely calculating the longitude and latitude change information of the vehicle from braking to stopping, and calculating the braking distance data of the vehicle based on the longitude and latitude change information.
Further, in the case where the braking distance value has been determined, a braking deceleration value corresponding to the vehicle anti-lock braking system may be calculated from the time of braking and the braking distance.
On the basis of the above technical scheme, the determining, based on the data to be acquired and the data processing unit, the index values corresponding to the evaluation indexes of the anti-lock braking system of the vehicle includes: the yaw angle is processed through the data processing unit, so that an offset value corresponding to the vehicle anti-lock braking system is obtained; and determining index data corresponding to each evaluation index of the vehicle anti-lock system based on the slip rate value, the braking distance value, the braking deceleration value, the offset value and the data to be acquired.
The offset is understood to mean the degree of deviation of the vehicle from the original track during braking.
Specifically, the yaw angle is processed through the data unit, so that the deviation degree of the vehicle relative to the original track in the braking process, namely the deviation value, can be obtained; and finally, taking the obtained slip rate value, the braking distance value, the braking deceleration value, the offset value and the data to be obtained as index data corresponding to an evaluation index for evaluating the anti-lock system of the vehicle. In this embodiment, the vehicle anti-lock system is evaluated through eight dimensions, so that the accuracy of the evaluation is improved, and the vehicle anti-lock system is applicable to different driving scenes, namely steering driving and straight driving, and can be evaluated through the indexes.
S130, inputting the index values into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result.
The quantitative analysis system may be a system for analyzing and processing index values and evaluating the index values.
Specifically, the index data is input to the analysis and quantization system through the data interface, and the analysis and quantization system can analyze and process the index values, for example, judge whether the index values corresponding to various indexes of the vehicle meet preset thresholds or not. In addition, a corresponding evaluation report can be generated based on the analysis result, so that the staff can conveniently optimize the parameters of the vehicle anti-lock system.
On the basis of the above technical solution, the inputting each index value into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system includes: inputting each index data to the analysis and quantization system, and generating a graph corresponding to the vehicle anti-lock braking system based on the processing of the index data by the analysis and quantization system; based on the graph, an evaluation result of the vehicle anti-lock braking system is generated.
Wherein the graph comprises: at least one of a vehicle travel trajectory graph, a travel speed graph, a travel steering graph, a travel throttle graph, and a travel brake graph.
In practical applications, a graph corresponding to the anti-lock braking system, for example, at least one of a vehicle running track graph, a running speed graph, a running steering graph, a running accelerator graph, and a running brake graph, may be generated based on the index data. The graph is visually displayed through a display interface, so that a worker can know the performance of the vehicle anti-lock system in real time, and further parameter optimization is performed.
On the basis of the technical scheme, the parameter optimization of the vehicle anti-lock braking system based on the evaluation result comprises the following steps: and adjusting the brake pressure parameter of the vehicle anti-lock braking system based on the evaluation result so that the slip ratio value of the vehicle anti-lock braking system is smaller than a preset slip ratio value.
The slip rate is an important index for evaluating the anti-lock braking system of the vehicle, the braking pressure parameter can be understood as the pressure of the anti-lock braking system during braking, and the preset slip rate value is a value preset by a user.
It can be understood that the vehicle anti-lock braking system controls the slip ratio to be about 20%, and the braking effect of the vehicle is best, and when the slip ratio of the vehicle is greater than the preset slip ratio value, the vehicle braking pressure parameter can be properly adjusted so that the slip ratio value of the vehicle is smaller than or close to the preset slip ratio value.
On the basis of the technical scheme, the processing of the wheel speed data by the processing unit to obtain the slip rate value corresponding to the vehicle anti-lock braking system comprises the following steps: determining a first difference based on a wheel speed value of the vehicle and a vehicle speed value of the vehicle; the slip ratio value is determined based on a ratio of the first difference value to the vehicle speed value.
Specifically, the slip ratio can reduce the vehicle speed through the wheel speed value of the vehicle, the obtained value is a first difference value, and the first difference value is divided by the vehicle speed value, so that the obtained value is the slip ratio value.
According to the technical scheme, data to be acquired corresponding to the anti-lock braking system of the vehicle are acquired; determining index values corresponding to various evaluation indexes of the vehicle anti-lock system based on the data to be acquired and the data processing unit; and inputting the index values into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result. The technical scheme of the embodiment of the invention solves the problems that the traditional anti-lock system optimization method needs to adjust corresponding parameter indexes according to different experimental scenes, data processing, quantitative analysis and complex and redundant work are needed after data are acquired, and the analyzed data are not comprehensive enough, thereby improving the accuracy and the comprehensiveness of quantitative evaluation of the anti-lock system of the automobile, reducing the quantitative analysis time, and being suitable for different scenes.
Example two
Fig. 2 is a flowchart of a vehicle data processing method according to a second embodiment of the present invention, and this embodiment is a preferred embodiment of the above embodiments. The specific implementation manner can be seen in the technical scheme of the embodiment. Wherein, the technical terms identical to or corresponding to the above embodiments are not repeated herein. As shown in fig. 2, the method includes:
s210, acquiring a wheel speed through a wheel speed sensor;
s220, acquiring yaw angles and longitudes and latitudes through integrated navigation;
s230, acquiring a steering wheel angle through an angle sensor;
s240, the processing unit processes the wheel speed to obtain a slip rate, and processes the longitude and latitude to obtain a braking distance;
s250, the processing unit guides the acquired data into the system for analysis through the ABS quantification system; the anti-lock braking system (antilock brake system) is called ABS for short.
S260, the processing unit displays the acquired data and quantized data in real time, as shown in FIG. 4;
s270, the processing unit forwards the result fed back by the ABS quantification system to the ABS system for function optimization.
As shown in fig. 3, the above steps are implemented by the wheel speed collection system of fig. 3, which mainly includes: a power supply 280; wheel speed sensor 210, integrated navigation 220; a rotation angle sensor 230; a processing unit 240; a quantization module 250; a display module 260; the optimization module 270.
According to the technical scheme provided by the embodiment of the invention, different data such as ABS signals, wheel speeds, yaw angles, longitude and latitude and the like can be acquired through each sensor in actual vehicle running. Using these data, a quantitative evaluation of the ABS function of the vehicle can be achieved. The method is mainly used for quantitatively evaluating the ABS system of the automobile, and more effectively provides data support and performance optimization for automobile developers.
The invention aims to provide a vehicle data processing method. In actual vehicle running, different data can be acquired through each sensor, the invention comprises eight dimensional parameters of braking distance, braking deceleration, braking offset, yaw angle, longitude and latitude, steering wheel corner, four-wheel speed and slip rate, the data can be used for realizing comprehensive quantitative evaluation of the ABS function of the vehicle, and the ABS system is directly quantized to millimeter-level precision through multidimensional data evaluation. Besides the ABS function quantization method, the invention also provides an ABS function related data acquisition scheme, which can realize acquisition, storage, quantization and tuning of a one-stop ABS function development scheme. The invention also develops an ABS real-time quantitative analysis platform, saves data acquisition and processing and quantifying time, and intuitively displays the ABS functional effect. The invention is simple and practical, has rich data types and high precision. From the previous fixed evaluation parameters according to experimental scenes to the current eight-dimensional, one-scene and one-stop analysis. The development difficulty of developers is greatly reduced, the time of quantitative analysis is greatly reduced, and a one-stop acquisition quantitative analysis system is realized.
The ABS system quantization method can assist a hardware vehicle engineer in analyzing the ABS performance effect after finishing, so that ABS parameter teaching is performed; providing a one-stop ABS function verification scheme, which comprises data acquisition, real-time observation and quantitative analysis, and assisting a developer in completing performance comparison advantage reporting; providing an experiment verification interface of relevant ABS functions such as chassis development, ABS control optimization and the like, and carrying out data parameter adjustment according to a quantized feedback result; a real-time quantitative analysis platform is developed, so that the time for data acquisition, processing and analysis is saved, and the ABS function effect is intuitively displayed; and (3) quantitatively analyzing the ABS data in eight dimensions, solving the problem of single scene evaluation, and comprehensively analyzing the ABS performance. And a one-stop solution for data acquisition, real-time display, quantitative analysis and feedback optimization is provided for the development and quantitative evaluation of the ABS function of the automobile.
Example III
Fig. 5 is a schematic structural diagram of a vehicle data processing device according to a third embodiment of the present invention. As shown in fig. 5, the apparatus includes:
the data acquisition module 310 is configured to acquire data to be acquired corresponding to a vehicle anti-lock braking system, where the data to be acquired includes wheel speed data, yaw angle data, longitude and latitude data, and steering wheel angle data;
the data processing module 320 is configured to determine, based on the data to be acquired and the data processing unit, an index value corresponding to each evaluation index of the anti-lock braking system of the vehicle;
the system evaluation module 330 is configured to input each index value to an analysis and quantization system, obtain an evaluation result of the anti-lock braking system of the vehicle, and perform parameter optimization on the anti-lock braking system of the vehicle based on the evaluation result.
According to the technical scheme, data to be acquired corresponding to the anti-lock braking system of the vehicle are acquired; determining index values corresponding to various evaluation indexes of the vehicle anti-lock system based on the data to be acquired and the data processing unit; and inputting the index values into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result. The technical scheme of the embodiment of the invention solves the problems that the traditional anti-lock system optimization method needs to adjust corresponding parameter indexes according to different experimental scenes, data processing, quantitative analysis and complex and redundant work are needed after data are acquired, and the analyzed data are not comprehensive enough, thereby improving the accuracy and the comprehensiveness of quantitative evaluation of the anti-lock system of the automobile, reducing the quantitative analysis time, and being suitable for different scenes.
Optionally, the data acquisition module 310 includes:
the wheel speed determining module is used for acquiring the wheel speed data of the vehicle based on a wheel speed sensor and determining yaw angle data and longitude and latitude data of the vehicle based on the integrated navigation module; and/or the number of the groups of groups,
and the steering wheel angle determining module is used for acquiring steering wheel angle data corresponding to the steering wheel of the vehicle based on the angle sensor.
Optionally, the data processing module 320 includes:
the slip rate and braking distance determining module is used for processing the wheel speed data through the processing unit to obtain a slip rate value corresponding to the vehicle anti-lock braking system, and processing the longitude and latitude data to obtain a braking distance value corresponding to the vehicle anti-lock braking system;
and the braking deceleration determining module is used for determining the braking deceleration value corresponding to the vehicle anti-lock braking system based on the braking distance value and the corresponding braking time of the vehicle.
Optionally, the data processing module 320 includes:
the offset determining module is used for processing the yaw angle through the data processing unit to obtain an offset value corresponding to the vehicle anti-lock braking system;
and the index data determining module is used for determining index data corresponding to each evaluation index of the vehicle anti-lock system based on the slip rate value, the braking distance value, the braking deceleration value, the offset value and the data to be acquired.
Optionally, the system evaluation module 330 includes:
a curve generation module, configured to input each of the index data to the analysis and quantization system, and generate a curve graph corresponding to the vehicle anti-lock system based on the processing of the index data by the analysis and quantization system;
generating an evaluation result of the vehicle anti-lock braking system based on the graph;
wherein the graph comprises: at least one of a vehicle travel trajectory graph, a travel speed graph, a travel steering graph, a travel throttle graph, and a travel brake graph.
Optionally, the system evaluation module 330 includes:
and the parameter adjusting module is used for adjusting the braking pressure parameter of the vehicle anti-lock braking system based on the evaluation result so that the slip ratio value of the vehicle anti-lock braking system is smaller than a preset slip ratio value.
Optionally, the slip rate and braking distance determining module is specifically configured to:
determining a first difference based on a wheel speed value of the vehicle and a vehicle speed value of the vehicle;
the slip ratio value is determined based on a ratio of the first difference value to the vehicle speed value.
The vehicle data processing device provided by the embodiment of the invention can execute the vehicle data processing method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example IV
Fig. 6 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 6, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the respective methods and processes described above, for example, the processing method of the vehicle data.
In some embodiments, the method of processing vehicle data may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the above-described processing method of the vehicle data may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the method of processing vehicle data in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on 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.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. A method of processing vehicle data, comprising:
acquiring data to be acquired corresponding to a vehicle anti-lock braking system, wherein the data to be acquired comprises wheel speed data, yaw angle data, longitude and latitude data and steering wheel rotation angle data;
determining index values corresponding to various evaluation indexes of the vehicle anti-lock braking system based on the data to be acquired and the data processing unit;
inputting each index value into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, and performing parameter optimization on the vehicle anti-lock braking system based on the evaluation result;
the determining, based on the data to be acquired and the data processing unit, an index value corresponding to each evaluation index of the vehicle anti-lock braking system includes:
the wheel speed data are processed through the processing unit to obtain a slip rate value corresponding to the vehicle anti-lock braking system, and the longitude and latitude data are processed to obtain a braking distance value corresponding to the vehicle anti-lock braking system;
determining a corresponding braking deceleration value of the vehicle anti-lock system based on the braking distance value and the corresponding braking time of the vehicle;
the yaw angle is processed through the data processing unit, so that an offset value corresponding to the vehicle anti-lock braking system is obtained; wherein the offset value is the degree of deviation of the vehicle relative to an original track during braking;
determining index data corresponding to various evaluation indexes of the vehicle anti-lock system based on the slip rate value, the braking distance value, the braking deceleration value, the offset value and the data to be acquired;
inputting each index value into an analysis and quantization system to obtain an evaluation result of the vehicle anti-lock braking system, wherein the evaluation result comprises the following steps:
inputting each index data to the analysis and quantization system, and generating a graph corresponding to the vehicle anti-lock braking system based on the processing of the index data by the analysis and quantization system;
generating an evaluation result of the vehicle anti-lock braking system based on the graph;
wherein the graph comprises: at least one of a vehicle travel trajectory graph, a travel speed graph, a travel steering graph, a travel throttle graph, and a travel brake graph.
2. The method according to claim 1, wherein the acquiring data to be acquired corresponding to the vehicle anti-lock braking system comprises:
acquiring wheel speed data of the vehicle based on a wheel speed sensor, and determining yaw angle data and longitude and latitude data of the vehicle based on a combined navigation module; and/or the number of the groups of groups,
and acquiring steering wheel angle data corresponding to the steering wheel of the vehicle based on the angle sensor.
3. The method of claim 1, wherein the parameter optimizing the vehicle anti-lock braking system based on the evaluation result comprises:
and adjusting the brake pressure parameter of the vehicle anti-lock braking system based on the evaluation result so that the slip ratio value of the vehicle anti-lock braking system is smaller than a preset slip ratio value.
4. The method according to claim 1, wherein the processing, by the processing unit, the wheel speed data to obtain the slip ratio value corresponding to the vehicle anti-lock braking system, includes:
determining a first difference based on a wheel speed value of the vehicle and a vehicle speed value of the vehicle;
the slip ratio value is determined based on a ratio of the first difference value to the vehicle speed value.
5. A processing apparatus for vehicle data, comprising:
the system comprises a data acquisition module, a control module and a control module, wherein the data acquisition module is used for acquiring data to be acquired corresponding to a vehicle anti-lock system, and the data to be acquired comprises wheel speed data, yaw angle data, longitude and latitude data and steering wheel angle data;
the data processing module is used for determining index values corresponding to various evaluation indexes of the vehicle anti-lock braking system based on the data to be acquired and the data processing unit;
the system evaluation module is used for inputting the index values into the analysis and quantization system to obtain an evaluation result of the vehicle anti-lock system, and carrying out parameter optimization on the vehicle anti-lock system based on the evaluation result;
the data processing module comprises:
the slip rate and braking distance determining module is used for processing the wheel speed data through the processing unit to obtain a slip rate value corresponding to the vehicle anti-lock braking system, and processing the longitude and latitude data to obtain a braking distance value corresponding to the vehicle anti-lock braking system;
a braking deceleration determination module for determining a braking deceleration value corresponding to the vehicle anti-lock braking system based on the braking distance value and the corresponding braking time of the vehicle;
the data processing module comprises:
the offset determining module is used for processing the yaw angle through the data processing unit to obtain an offset value corresponding to the vehicle anti-lock braking system; wherein the offset value is the degree of deviation of the vehicle relative to an original track during braking;
the index data determining module is used for determining index data corresponding to each evaluation index of the vehicle anti-lock system based on the slip rate value, the braking distance value, the braking deceleration value, the offset value and the data to be acquired;
the system evaluation module comprises: a curve generation module, configured to input each of the index data to the analysis and quantization system, and generate a curve graph corresponding to the vehicle anti-lock system based on the processing of the index data by the analysis and quantization system;
generating an evaluation result of the vehicle anti-lock braking system based on the graph;
wherein the graph comprises: at least one of a vehicle travel trajectory graph, a travel speed graph, a travel steering graph, a travel throttle graph, and a travel brake graph.
6. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the method of processing vehicle data according to any one of claims 1-4.
7. A computer-readable storage medium, characterized in that the computer-readable storage medium stores computer instructions for causing a processor to execute the method of processing vehicle data according to any one of claims 1-4.
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