Whole vehicle real-time simulation system

Abstract

The invention discloses a whole vehicle real-time simulation system, which is characterized by comprising an environment model, an engine model and a whole vehicle model, and is characterized in thatthe environment model provides the virtual driving environment parameters required by simulation for the whole vehicle model, the engine model provides a torque signal required by simulation for the whole vehicle model, and the vehicle model simulates the vehicle driving based on the virtual driving environment parameters provided by the environment model and the torque signal provided by the engine model, and feeds back the simulated vehicle rotating speed signal and the simulated accelerator signal to the engine model. Compared with a simulation system in the prior art, the whole vehicle parameters needing to be input are greatly reduced, so that the system complexity and the construction cost of the whole vehicle simulation model are simplified, and the whole system is simpler and is easier to use.

Description

technical field [0001] The invention relates to the field of automobile manufacturing, in particular to a real-time simulation system for a complete vehicle. Background technique [0002] With the development of automobile testing technology, more and more attention is paid to virtual testing or semi-virtual testing. This testing method can not only reduce the time cost, but also reduce the material cost investment in the early stage of research and development, and can also greatly improve work efficiency. [0003] At present, there are many researches on real-time simulation system models, but most of them are in-depth theoretical research on a certain part of the vehicle, based on which to verify the superiority of a certain algorithm, but for the real-time simulation system model of the vehicle There are not many studies, and most of them stay in theoretical research, and do not start from the application level, resulting in many deficiencies in the actual application pr...

AI Technical Summary

Problems solved by technology

[0003] At present, there are many researches on real-time simulation system models, but most of them are in-depth theoretical research on a certain component in the vehicle, based on which to verify the superiority of a certain algorithm, but for the real-time simulation system model of the vehicle There are not many studies, and most of them stay in theoretical research and do not start from the application level, resulting in many shortcomings in the actual application process.

[0004] In addition, in the existing technology, there are many redundant parts in both the vehicle system model and the component model, which are not combined with the actual production application modeling, and a large number of parameters need to be input into the model. However, it is found in practical applications that for the vehicle As far as the parameter provider is concerned, it is difficult to provide detailed parameters of each component. If these parameters are to be provided, a lot of related experiments must be done, which will cost a lot of money

Not only that, but the management of the model is also very inconvenient. Professionals with strong knowledge background are often required to maintain the model according to different needs, which will cause great inconvenience to the application side.

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