Journal
ALEXANDRIA ENGINEERING JOURNAL
Volume 61, Issue 1, Pages 911-916Publisher
ELSEVIER
DOI: 10.1016/j.aej.2021.04.074
Keywords
Interval state estimation; Linear parameter varying (LPV) interval observer; Longitudinal dynamics control; Vehicle lateral dynamics
Categories
Funding
- Foundation for Higher level Talents in Ankang University [2019AYQDZR01]
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This paper focuses on designing an interval observer for vehicle dynamic system and introducing a novel robust estimation method. By utilizing a linear parameter varying interval observer and estimation algorithm, the reliability and robustness of the vehicle's active control system are effectively improved.
This paper mainly attempts to design an interval observer for vehicle dynamic system, and make interval observation of the state for moving vehicles. For this purpose, a novel robust estimation method was introduced to apply interval state estimation in vehicle control system. Considering the change of the turning angle, the cornering force of the tires, and the change of driving conditions, we designed a linear parameter varying interval observer, and proposed a estimation algorithm which proved effective through simulation. The employed state estimation technique could simultaneously compute the relevant signals, and make timely and effective detection of sensor faults, thereby improving the reliability and robustness of the active control system of the vehicle. (c) 2021 THE AUTHOR. Published by Elsevier BV on behalf of Faculty of Engineering, Alexandria University.
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