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Multi-wheel individual drive slip frequency steering vehicle united simulation method and system

A co-simulation and independent drive technology, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as research on steering characteristics of slip-steer vehicles that cannot be independently driven by multiple wheels, and achieve the goal of improving accuracy and reliability Effect

Active Publication Date: 2018-09-07
BAIC GRP ORV CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology allows two separate simulations on one computer program to work together better than previous methods without sacrificing their benefits or requiring extra effort. By doing this with both programs at once it provides greater flexibility during testing scenarios that are difficult if only done separately by each other's developers.

Problems solved by technology

The technical problem addressed by this patented technology relates to developing an effective method for analyzing multiaxially driven slip wagon vehicles' behavior during different driving situations while maintaining their stability under severe environmental factors like rainwater snowfall.

Method used

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  • Multi-wheel individual drive slip frequency steering vehicle united simulation method and system
  • Multi-wheel individual drive slip frequency steering vehicle united simulation method and system
  • Multi-wheel individual drive slip frequency steering vehicle united simulation method and system

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Embodiment Construction

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the drawings of the embodiments of the present application. Apparently, the described embodiments are some of the embodiments of the present application, but not all of them. All other embodiments obtained by persons of ordinary skill in the art based on the described embodiments of the present application belong to the protection scope of the present application.

[0045] refer to figure 1 , figure 1 It is a schematic flow chart of a co-simulation method for a multi-wheel independently driven slip steer vehicle according to Embodiment 1 of the present application, and the method includes:

[0046]Step S101: Create a vehicle multi-rigid body dynamic model in the first software, determine the input information and ou...

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Abstract

The present invention provides a multi-wheel individual drive slip frequency steering vehicle united simulation method and system. The method comprises the steps of: creating a whole vehicle rigid multi-body dynamical model at first software, determining input information and output information of the whole vehicle rigid multi-body dynamical model, and outputting a whole vehicle model submodule, wherein the whole vehicle model submodule comprises the whole vehicle rigid multi-body dynamical model, the input information and the output information; creating a driver model at second software, wherein the driver model is configured to output driving data according to input expected data and feedback data; creating a whole vehicle controller at the second software, wherein the whole vehicle controller is configured to receive the driving data, and generate torque information; creating a steering simulation model at the second software, and leading the whole vehicle model submodule, the driver model and the whole vehicle controller into the steering simulation model; and designing a working condition in the steering simulation model to perform simulation analysis of the work condition and obtain a simulation result. The multi-wheel individual drive slip frequency steering vehicle united simulation method and system can perform closed-loop simulation analysis of different work conditions and can improve the accuracy.

Description

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Claims

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Application Information

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Owner BAIC GRP ORV CO LTD
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