Stochastic Optimal Control of Vehicles With Elastic Body and Active Suspension

Author:

Hac´ Aleksander1

Affiliation:

1. Institute of Machine Design Fundamentals, Warsaw Technical University, 02-524 Warsaw, Poland

Abstract

A discrete-continuous vibrating system, which can be treated as a model of a vehicle with an active suspension moving on a randomly profiled road, is considered in this paper. By the use of stochastic optimal control and estimation theory the suspension control forces and the steady-state behavior of an optimally controlled system in the presence of measurement errors are calculated and compared with the performance of an optimal passive system. The emphasis is on modeling and measurement problems. The need for taking body elasticity into account in the vehicle model is considered and the influence of sensor arrangement and accuracy upon the performance of the active system is determined.

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

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1. Study on the Influence of Car Body Lightweight on Suspension Parameters;ICRT 2021;2022-02-08

2. Random Analysis of Heavy‐Duty Vehicle Based on Rigid–Elastic Synthesis;IEEJ Transactions on Electrical and Electronic Engineering;2020-08-16

3. Simulation study on ride comfort of three-axle heavy vehicle spatial model based on rigid-elastic model and pseudo-excitation method;Journal of Advanced Mechanical Design, Systems, and Manufacturing;2020

4. Reducing force transmission through exhaust mounts of a vehicle;Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering;2018-10-19

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