Driving school intelligent coach system with real-time operation prompting function and suitable for different vehicle types

Abstract

The invention relates to a driving school intelligent coach system and method with a real-time operation prompt function. The system comprises a GPS positioning module, a main control module, an interaction module and a database module. The GPS positioning module is used for positioning the real-time position and posture of the vehicle. The master control module is used for receiving the GPS information, analyzing the garage where the current vehicle is located and the training subject, and calculating the operation of completing subject training. And the interaction module is used for man-machine interaction and displaying vehicle poses and corresponding operation point language prompts in real time. And the database module is used for storing driving school garage position information, student data and vehicle parameter information. The intelligent teaching system for the driving school aims to realize interaction with students through the interaction module, dynamically adapt to different vehicle types and different examination rooms, give a global view angle to the students through the cooperation of the GPS positioning module and the interaction module, and improve the learning efficiency of the students.

Description

Technical Field

[0001] The invention relates to a driving school intelligent coaching system with real-time operation prompts applicable to different vehicle models, belonging to the technical fields of driving school training and GPS positioning. Background Art

[0002] In recent years, driving school business has shown a booming trend, and the number of people signing up for driving lessons has increased significantly; however, the traditional driving school training model has many problems, such as: when students are imitating and learning in the car, they often find it difficult to have a clear understanding of the vehicle's driving trajectory, have no overall awareness, and cannot accurately identify and understand the mistakes they make during driving; different students have different learning abilities and require different times of coaching; students face different teaching methods from different coaches and have difficulty adapting. These problems have led to low training efficiency in driving schools, serious waste of resources, and the inability of students to fully improve their driving skills; therefore, reforming and innovating the driving school training model and improving the quality of training have become issues that need to be urgently addressed. Summary of the invention

[0003] The purpose of the present invention is to provide a driving school intelligent coaching system method with real-time operation prompts applicable to different types of vehicles, so as to improve the intelligence, stability and training quality of the driving school intelligent coach.

[0004] To achieve the above-mentioned purpose, the present invention provides a driving school intelligent coaching system with real-time operation prompts suitable for different types of vehicles, including the following modules: a GPS positioning module, a main control module, an interactive module, and a database module. The GPS positioning module, the interactive module, and the database module are respectively connected to the main control module.

[0005] The GPS positioning module includes: a GPS positioning antenna and a GNSS receiver. The GPS positioning antenna and the GNSS receiver are used to receive and transmit positioning information, and transmit it to the main control module; the interactive module includes: a touch screen and a voice broadcast system. The touch screen is used to interact with the trainees, and the voice broadcast system is used to prompt the trainees to operate during training; the database module is used to receive the trainees' training data sent by the main control module, perform subsequent data analysis, and give training suggestions; the main control module is used to receive and parse the information sent by each module, calculate the interactive content based on the information, and send it to the interactive module.

[0006] Optionally, before receiving positioning information, you need to activate the RTK precise positioning service. The GNSS receiver receives and forwards the positioning information sent by the RTK precise positioning service through the GPS antenna.

[0007] Optionally, the touch display screen can receive and forward the training vehicle model, training items, and training times determined by the trainee to the main control module. During the training process, the main control module can receive and display information such as the garage, vehicle body, and expected vehicle trajectory. The voice broadcast system can receive and broadcast voice prompt information sent by the main control module.

[0008] Optionally, the database module is a cloud server that receives and stores data sent by the main control module via 4G communication. The stored data includes: trainee identity information, trainee vehicle information, trainee training items and duration, trainee training GPS positioning track, etc.

[0009] Optionally, the main control module receives information sent by the touch interactive screen in the interactive module through the serial port, database information, and precise positioning information of the GPS positioning module, parses and processes the above information, determines the vehicle model used by the trainees for training, the actual garage used, training tasks, etc., and sends the drawing information of the vehicle body garage and training action prompts to the interactive module through the serial port.

[0010] Optionally, the data stored in the database include: student identity information, student vehicle usage information, student training items and duration, GPS positioning trajectory of student training, vehicle information, garage longitude and latitude information, etc., wherein the GPS positioning trajectory is recorded from the time the student drives the vehicle into the sub-test item until the test is completed or a collision error occurs. The vehicle's own information is used by the main control module to dynamically calculate the action prompt points of each sub-item, and the garage longitude and latitude information is used by the main control module to determine the sub-items that need to be performed in the area where the current vehicle is located.

[0011] Optionally, the method for dynamically calculating each action prompt point of each sub-item through the vehicle's own information includes the following steps:

[0012] Step 1: The main control module receives the differential positioning information sent by the GPS positioning module, and according to the training garage information determined in step 3, uses the following formula to parse out the position and posture of the vehicle in the current garage:

[0013]

[0014]

[0015]

[0016]

[0017] in , are the x and y coordinate values ​​of the vehicle in the garage coordinate system. , is the latitude and longitude of the garage fixed point when building the map, , is the current latitude and longitude information of the vehicle, , is the transformation coefficient of longitude and latitude to rectangular coordinate system, is the current angle information of the vehicle, , is the position of the vehicle in the garage rectangular coordinate system;

[0018] Step 2: Based on the vehicle model information obtained in step 2, establish a vehicle kinematic model, and obtain the relationship between the vehicle turning radius and the front wheel deflection angle according to the following formula:

[0019]

[0020] in is the front wheel deflection angle, is the vehicle wheelbase, is the turning radius;

[0021] Step 3: Calculate the required turning radius of the vehicle based on the current position of the vehicle and the standard position of the next action of the current project. The formula is as follows:

[0022]

[0023] in is the radius of rotation, , is the current position of the vehicle in the garage coordinate system, , The standard position for the next action of the current project. is the current vehicle’s azimuth, The standard azimuth angle of the next action of the current project is used to determine the steering wheel angle according to the rotation radius, which is then transmitted to the interactive module, and the interactive module is used to broadcast the voice.

[0024] The present invention relates to a driving school intelligent coaching system and method with real-time operation prompts. The system includes a GPS positioning module, a main control module, an interaction module, and a database module. The GPS positioning module is used to locate the real-time position and posture of the vehicle. The main control module is used to receive GPS information and analyze the position and posture of the vehicle, analyze the garage where the current vehicle is located and the training subject, calculate the operation of completing the subject training, and give real-time prompts. The interaction module: performs human-computer interaction, and according to the calculation of the main control module, displays the position and posture of the vehicle in the garage in real time on the display screen and broadcasts language prompts at the corresponding prompt points. The database module: stores the location information of the driving school garage, student data and vehicle parameter information. The driving school intelligent teaching system aims to interact with students through the interaction module, dynamically adapt to different models and different examination halls, and at the same time, through the accurate cooperation of the GPS positioning module and the interaction module, give students a global perspective, thereby improving the learning efficiency of students. In addition, the vehicle kinematic model is constructed by using the GPS positioning module data, the relationship between the turning radius and the steering wheel angle is established, the students are flexibly instructed to make corresponding actions, and the subsequent trajectory is simulated on the interaction module, which is more convenient for students to learn. Finally, the student training information is stored through the database module, which is convenient for students to review and adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a flow chart of a driving school intelligent coaching system with real-time operation prompts of the present invention.

[0027] Figure 2 It is a schematic diagram of the latitude, longitude and azimuth of fixed points measured in the initial mapping of each sub-project of the present invention.

[0028] Figure 3 It is a schematic diagram of the prompt points of the dynamic calculation training action of the present invention. DETAILED DESCRIPTION

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] See also Figure 1The present invention provides a driving school intelligent coaching system with real-time operation prompts. The system includes a GPS positioning module, a main control module, an interaction module, and a database module, and includes the following steps:

[0031] 101. Use the GPS positioning module to collect garage information and record it in the database to complete the construction of the training map;

[0032] 102. The main control module reads the positioning information transmitted by the GPS positioning module and the garage information data of the database module to determine the driving school and garage information;

[0033] 103. The trainees and the system complete information exchange on the interactive screen;

[0034] 104. The main control module receives GPS information in real time, analyzes the data, and prompts the trainees on the next training operation;

[0035] 105. Keep the trainee’s GPS track data in the database for subsequent analysis of training data and providing training suggestions.

[0036] The following is a further explanation based on the specific implementation steps:

[0037] In step 101, for details, please refer to Figure 2 The method provided for measuring the latitude, longitude and azimuth of fixed points in the initial mapping of each sub-project uses the GPS positioning module to measure the latitude, longitude and initial azimuth of the fixed points of each training garage, saves them in the cloud database module and marks the training projects.

[0038] In step 102, specifically, after the system is started, the main control module reads the positioning information sent by the GPS positioning module through the serial port, and at the same time reads the garage data information of the database module through 4G communication, matches it with the positioning information, and determines the driving school and garage information where the student is located.

[0039] In step 103, specifically, the trainee needs to complete his or her own information registration on the touch-sensitive interactive screen, determine the model of the vehicle to be used for training, select the training items and the number of trainings, and the interactive module transmits the information provided by the trainee to the main control module through the serial port to realize information interaction between the trainee and the system.

[0040] In step 104, specifically, the main control module receives the differential positioning information sent by the GPS positioning module, and according to the training garage information determined in step 2, uses the following formula to parse out the position and posture of the vehicle in the current garage:

[0041]

[0042]

[0043]

[0044]

[0045] in , are the x and y coordinate values ​​of the vehicle in the garage coordinate system. , is the latitude and longitude of the garage fixed point when building the map, , is the current latitude and longitude information of the vehicle, , is the transformation coefficient of longitude and latitude to rectangular coordinate system, is the current angle information of the vehicle, , is the position of the vehicle in the garage rectangular coordinate system;

[0046] Afterwards, see Figure 3 The provided dynamic extrapolation training action prompt point method establishes a vehicle kinematic model based on the vehicle model information obtained in step 3, and obtains the relationship between the vehicle turning radius and the front wheel deflection angle according to the following formula:

[0047]

[0048] in is the front wheel deflection angle, is the vehicle wheelbase, is the turning radius.

[0049] According to the relationship between the front wheel deflection angle and the steering wheel angle provided by the car manufacturer, the relationship between the turning radius and the steering wheel angle is constructed, and the required turning radius of the vehicle is calculated according to the current position of the vehicle and the standard position of the next action of the current project. The formula is as follows:

[0050]

[0051] in is the radius of rotation, , is the current position of the vehicle in the garage coordinate system, , The standard position for the next action of the current project. is the current vehicle’s azimuth, The standard azimuth angle of the next action of the current project is used to determine the steering wheel angle according to the rotation radius, which is then transmitted to the interactive module, and the interactive module is used to broadcast the voice.

[0052] In step 105, specifically, after the student drives the vehicle into the training ground and starts training, the main control module will record the GPS trajectory of the student during training, communicate with the cloud server module through 4G technology, and save it in the student's database, so that subsequent students can view the historical training trajectory through mobile phones, etc., analyze their own shortcomings, and improve them in the next training.

[0053] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A driving school intelligent coaching system with real-time operation prompts applicable to different models, the system includes a GPS positioning module, a main control module, an interactive module, and a database module, wherein the GPS positioning module, the interactive module, and the database module are respectively connected to the main control module; The GPS positioning module comprises: GPS positioning antenna and GNSS receiver, wherein the GPS positioning antenna and GNSS receiver are used to receive and transmit positioning information, and transmit it to the main control module; The interactive module includes: a touch screen and a voice broadcast system. The touch screen is used to interact with the trainees, and the voice broadcast system is used to prompt the trainees to operate during training; The database module is used to receive the trainee training data sent by the main control module, perform subsequent data analysis, and give training advice; The main control module is used to receive and analyze the information sent by each module, calculate the interactive content according to the information and send it to the interactive module.

2. The GPS positioning module as claimed in claim 1, characterized in that: Before receiving positioning information, you need to activate the RTK differential signal precise positioning service. The GNSS receiver receives and forwards the positioning information sent by the RTK precise positioning service through the GPS antenna.

3. The interactive module according to claim 1, characterized in that: The touch screen receives and forwards the training model, training items, and training times determined by the trainee to the main control module. During the training process, the main control module receives and displays information such as the garage, vehicle body, and vehicle expected trajectory. The voice broadcast system receives and broadcasts the voice prompt information sent by the main control module.

4. The database module according to claim 1, characterized in that: The database module is a cloud server that receives and stores data sent by the main control module via 4G communication. The stored data includes: trainee identity information, trainee vehicle information, trainee training items and duration, trainee training GPS positioning trajectory, etc.

5. The main control module according to claim 1, characterized in that: The main control module receives the information sent by the touch interactive screen in the interactive module through the serial port, database information, and precise positioning information of the GPS positioning module, parses and processes the above information, determines the vehicle model used by the trainees for training, the actual garage used, training tasks, etc., and sends the drawing information of the vehicle body garage and training action prompts to the interactive module through the serial port.

6. The data stored in the database module according to claim 4 is characterized in that: The stored data includes: student identity information, student vehicle usage information, student training items and duration, GPS positioning trajectory of student training, vehicle information, garage longitude and latitude information, etc. The GPS positioning trajectory is recorded from the time the student drives the vehicle into the sub-test item until the test is completed or a collision error occurs. The vehicle's own information is used by the main control module to dynamically calculate the action prompt points of each sub-item. The garage longitude and latitude information is used by the main control module to determine the sub-items that need to be performed in the area where the current vehicle is located.

7. The method for dynamically calculating each action prompt point of each sub-item through vehicle self information as claimed in claim 6, characterized in that: The following steps are involved: Step 1: The main control module receives the differential positioning information sent by the GPS positioning module, and according to the training garage information determined in step 3, uses the following formula to parse out the position and posture of the vehicle in the current garage: in , are the x and y coordinate values ​​of the vehicle in the garage coordinate system. , is the latitude and longitude of the garage fixed point when building the map, , is the current latitude and longitude information of the vehicle, , is the transformation coefficient of longitude and latitude to rectangular coordinate system, is the current angle information of the vehicle, , is the position of the vehicle in the garage rectangular coordinate system; Step 2: Based on the vehicle model information obtained in step 2, establish a vehicle kinematic model, and obtain the relationship between the vehicle turning radius and the front wheel deflection angle according to the following formula: in is the front wheel deflection angle, is the vehicle wheelbase, is the turning radius; Step 3: Calculate the required turning radius of the vehicle based on the current position of the vehicle and the standard position of the next action of the current project. The formula is as follows: in is the radius of rotation, , is the current position of the vehicle in the garage coordinate system, , The standard position for the next action of the current project. is the current vehicle’s azimuth, The standard azimuth angle of the next action of the current project is used to determine the steering wheel angle according to the rotation radius, which is then transmitted to the interactive module, and the interactive module is used to broadcast the voice.

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