LU502944B1

LU502944B1 - Driving simulation system based on vr

Info

Publication number: LU502944B1
Application number: LU502944A
Authority: LU
Inventors: Yan Liu; Songlin Zhang; Xiang Zhou; Wei Xun
Original assignee: Yibin Vocational And Technical College; Sichuan Vocational College Of Cultural Ind
Priority date: 2022-10-22
Filing date: 2022-10-22
Publication date: 2023-04-24

Abstract

The application provides a driving simulation system based on VR, comprising a scene generation module, a driving control module, a data processing module and a VR module; the scene generation module is used for generating initial scene information; the driving control module is used for collecting user actions and generating action information; the data processing module is used for generating scene change information based on the initial scene information and the action information; the VR module is used for generating a virtual scene based on the initial scene information and controlling the change of the virtual scene based on the scene change information. According to the application, weather information and road surface humidity information can be generated in real time, so that the real road conditions can be more realistically simulated, and these information can be fed back to users in the form of a 3D model through VR technology, which can bring more real feelings to users.

Description

DRIVING SIMULATION SYSTEM BASED ON VR 502944

TECHNICAL FIELD

The application relates to the field of driving simulation, in particular to a driving simulation system based on VR.

BACKGROUND

VR technology (virtual reality technology) is a computer simulation system that can create and experience a virtual world. It makes use of real-life data and electronic signals generated by computer technology, and combines them with various output devices to transform them into phenomena that people can feel. These phenomena can be real objects in reality or invisible substances to our naked eyes, which can be shown by three-dimensional models.

With the development of the automobile industry, cars gradually enter people's lives and the popularity rate is increasing year by year. In order to detect and study drivers' driving behaviors, driving simulators have emerged as the times require.

Simulated driving allows the experiencer to feel the visual, auditory and somatosensory car driving experience close to the real effect in a virtual driving environment. The simulation effect is realistic, energy-saving, safe and economical, and it is not limited by time, climate and place. It is widely used in new vehicle development and driving training.

SUMMARY

The application provides a driving simulation system based on VR, which simulates real road conditions by generating climate information in real time and feeds back to users through VR technology.

To achieve the above purpose, this application provides the following solutions:

A driving simulation system based on VR comprises a scene generation module, a driving control module, a data processing module and a VR module;

The scene generation module is used for generating initial scene information;

The driving control module is used for collecting user actions and generating 17008968 action information:

The data processing module is used for generating scene change information based on the initial scene information and the action information;

The VR module is used for generating a virtual scene based on the initial scene information and controlling the change of the virtual scene based on the scene change information.

Optionally, the scene generation module comprises a scene database, a weather information database and a first processor;

The scene database is used for generating virtual environment information;

The weather information base is used for generating climate information,

The first processor is used for generating the initial scene information based on the virtual environment information and the climate information.

Optionally, the virtual environment information includes urban environment information, rural environment information and natural environment information.

Optionally, the climate information includes weather information and road surface humidity information.

Optionally, the driving control module comprises a steering control device, a speed control device and a second processor;

The steering control device is used for capturing the steering action sent by the user to obtain steering control information;

The speed control device is used for capturing a series of speed control actions sent by a user to obtain speed control information;

The second processor is used for generating the action information based on the steering control information and the speed control information.

Optionally, the speed control device comprises an accelerator device, a clutch device, a shift lever device and a brake device.

Optionally, the data processing module comprises a central processing unit;

The CPU is used for receiving the initial scene information and the action 502944 information, and generating scene change information based on the initial scene information and the action information.

Optionally, the VR module comprises VR glasses and VR interactive gloves;

The VR glasses are used for generating a picture of the virtual scene based on the initial scene information, and controlling the virtual scene change based on the scene change information;

The VR glasses are also provided with an interactive interface, and man-machine interaction 1s completed through the VR interactive gloves.

The application has the following beneficial effects.

According to the application, weather information and road surface humidity information can be generated in real time, so that the real road conditions can be more realistically simulated, and these information can be fed back to users in the form of a 3D model through VR technology, which can bring more real feelings to users.

BRIEF DESCRIPTION OF THE FIGURES

In order to explain the technical scheme of this application more clearly, the following is a brief introduction of the drawings needed in the embodiments.

Obviously, the drawings in the following description are only some of the embodiments of this application. For those of ordinary skill in this field, other drawings can be obtained according to these drawings without any creative labor.

Fig. 1 is a schematic structural diagram of a driving simulation system based on

VR according to the embodiment of this application.

DESCRIPTION OF THE INVENTION

The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the drawings in the embodiments of this application. Obviously, the described embodiments are only part of the embodiments of this application, but not all of them. Based on the embodiments in this application,

all other embodiments obtained by ordinary technicians in this field without creative 502944 labor belong to the scope of protection in this application.

In order to make the above objects, features and advantages of this application more obvious and understandable, the application will be further explained in detail below with reference to the drawings and detailed description.

Embodiment 1

In the first embodiment, as shown in Fig. 1, a driving simulation system based on

VR includes a scene generation module, a driving control module, a data processing module and a VR module.

The scene generation module is used to generate initial scene information. The scene generation module comprises a scene database, a weather information database and a first processor; the scene library is used to generate virtual environment information; the weather information base is used to generate climate information; the first processor is used for generating initial scene information based on virtual environment information and climate information. Among them, virtual environment information includes: urban environment information, rural environment information and natural environment information; climate information includes: weather information and pavement humidity information.

The driving control module is used to collect user actions and generate action information. The driving control module comprises a steering control device, a speed control device and a second processor; the steering control device is used for capturing the steering action sent by the user to obtain steering control information; the speed control device is used for capturing a series of speed control actions sent by a user to obtain speed control information; the second processor is used to generate action information based on steering control information and speed control information. The steering control device includes a steering wheel device, and the speed control device includes an accelerator device, a clutch device, a shift lever device and a brake device.

The driving control module can also include a simulated cockpit, which can 17008968 swing based on steering control information and speed control information, and control the swing amplitude by analyzing the steering angle and acceleration.

The data processing module comprises a central processing unit, The central 5 processor 1s used for receiving the initial scene information and the action information, and generating scene change information based on the initial scene information and the action information.

The VR module includes: VR glasses and VR interactive gloves; VR glasses are used to generate a picture of a virtual scene based on the initial scene information, and control the change of the virtual scene based on the scene change information. There is also an interactive interface in the VR glasses, and the human-computer interaction is completed through the VR interactive gloves.

In this embodiment, a collision feedback module can also be installed in the simulated cockpit. When a user drives a vehicle in a virtual environment, the CPU will generate a collision feedback signal and transmit it to the collision feedback module. The collision feedback module will convert the collision feedback signal into an analog signal and feed it back to the user in the form of vibration.

Embodiment 2

In the second embodiment, taking user A as an example, the workflow of the system described in this application is specifically explained.

First, the initial scene information is generated. The initial scene information includes virtual environment information and climate information; the virtual environment information is provided by the scene database, including: urban environment information, rural environment information and natural environment information; climate information is provided by weather information database, including weather information and pavement humidity information. In the second embodiment, the user can set the scene to be simulated in the interactive interface through VR interactive gloves in VR glasses, for example, a snowy city scene, the scene generation module will extract the urban building model information, urban road information, urban greening information and urban traffic information from the scene database, extract the snowy scene information from the weather information 502944 database, and generate the corresponding snowy road surface humidity information.

The first processor receives the above information at the same time, and integrates it to obtain the initial scene information. After receiving the initial scene information,

VR glasses generate the corresponding 3D virtual scene.

After the simulated driving starts, the driving control module captures the steering action and a series of speed control actions sent by the user to obtain steering control information and speed control information. The second processor is used to generate action information based on steering control information and speed control information, simulate the cockpit swing based on steering control information and speed control information, and control the swing amplitude by analyzing the steering angle and acceleration to simulate the real driving experience. After receiving the initial scene information and action information, the CPU generates scene change information based on the action information, and VR glasses control the virtual scene change based on the scene change information, that is, control the user's perspective to move in the constructed 3D virtual scene. In the second embodiment, the driving control module and VR module feed back the driving feeling to the user based on the snowy road surface humidity information, steering control information and speed control information. When a user drives a vehicle in a virtual environment in a collision situation, the CPU generates a collision feedback signal and transmits it to the collision feedback module, which converts the collision feedback signal into an analog signal and feeds it back to the user in the form of vibration.

The above-mentioned embodiments only describe the preferred mode of this application, but do not limit the scope of this application. On the premise of not departing from the design spirit of this application, all kinds of modifications and improvements made by ordinary technicians in this field to the technical scheme of this application should fall within the scope of protection determined by the claims of this application.

Claims

CLAIMS LU502944

1. A driving simulation system based on VR, characterized by comprising a scene generation module, a driving control module, a data processing module and a VR module; the scene generation module 1s used for generating initial scene information; the driving control module is used for collecting user actions and generating action information: the data processing module is used for generating scene change information based on the initial scene information and the action information; the VR module is used for generating a virtual scene based on the initial scene information and controlling the change of the virtual scene based on the scene change information.

2. The driving simulation system based on VR according to claim 1, characterized in that the scene generation module comprises a scene database, a weather information database and a first processor; the scene database is used for generating virtual environment information; the weather information base is used for generating climate information; the first processor is used for generating the initial scene information based on the virtual environment information and the climate information.

3. The driving simulation system based on VR according to claim 2, characterized in that the virtual environment information includes urban environment information, rural environment information and natural environment information.

4. The driving simulation system based on VR according to claim 2, characterized in that the climate information includes weather information and road surface humidity information.

5. The driving simulation system based on VR according to claim 1, characterized in that the driving control module comprises a steering control device, a speed control device and a second processor; the steering control device is used for capturing the steering action sent by the user to obtain steering control information;

the speed control device is used for capturing a series of speed control actions 502944 sent by the user to obtain speed control information; the second processor is used for generating the action information based on the steering control information and the speed control information.

6. The driving simulation system based on VR according to claim 5, characterized in that the speed control device comprises an accelerator device, a clutch device, a shift lever device and a brake device.

7. The driving simulation system based on VR according to claim 1, characterized in that the data processing module comprises a central processing unit; the CPU is used for receiving the initial scene information and the action information, and generating scene change information based on the initial scene information and the action information.

8. The driving simulation system based on VR according to claim 1, characterized in that the VR module comprises VR glasses and VR interactive gloves; the VR glasses are used for generating a picture of the virtual scene based on the initial scene information, and controlling the virtual scene change based on the scene change information; the VR glasses are also provided with an interactive interface, and man-machine interaction 1s completed through the VR interactive gloves.