LPV Static Output Feedback for Constrained Direct Tilt Control of Narrow Tilting Vehicles

被引:32
|
作者
Nguyen, Anh-Tu [1 ,2 ]
Chevrel, Philippe [1 ,3 ]
Claveau, Fabien [1 ,3 ]
机构
[1] CNRS, UMR 6004, LS2N Lab, F-44000 Nantes, France
[2] Univ Polytech Hauts de France, CNRS, UMR 8201, LAMIH Lab, F-59300 Valenciennes, France
[3] UBL, IMT Atlantique, Brest, France
关键词
Direct tilt control (DTC); linear matrix inequality (LMI); linear parameter varying (LPV) control; narrow tilting vehicles (NTVs); static output feedback (SOF) control; vehicle dynamics; STABILITY CONTROL; DYNAMICS CONTROL; FUZZY CONTROL; SYSTEMS;
D O I
10.1109/TCST.2018.2882345
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This brief presents a new direct tilt control (DTC) design to improve the lateral stability and the driving comfort of narrow tilting vehicles. To this end, a conceptual model is constructed from the vehicle dynamics, a simplified model of the driving environment, and the vehicle perceived acceleration. This latter is considered as the main performance variable of the related H-2 control problem. The conceptual model is then represented in a polytopic linear parameter varying (LPV) form for control purposes. To avoid the use of costly vehicle sensors while favoring the simplest control structure for real-time implementation, a new LPV static output feedback control method is proposed. Thanks to Lyapunov stability arguments, physical constraints on both system states and DTC actuator are explicitly considered in the design procedure to improve the safety and the comfort of passengers. Moreover, a parameter-dependent Lyapunov function is exploited for theoretical developments. In this way, the finite bounds on vehicle speed and acceleration are effectively taken into account in the control design to reduce the conservatism. The H-2 control design is recast as a linear matrix inequality-based optimization which can be easily solved with numerical solvers. The resulting robust DTC controller is evaluated with realistic driving scenarios.
引用
收藏
页码:661 / 670
页数:10
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