
doi: 10.1002/rnc.5406
AbstractTo balance the performance and implementability of classical predefined performance control algorithm when its hard constraint is violated, this article investigates a switching‐based prescribed‐performance‐like control (PPLC) approach for nonlinear teleoperation systems. To achieve the objective, a switching mechanism is introduced into the classical controller design and based on this, a nonlinear proportional plus auxiliary compensation controller is designed, where a switched filter control technique is employed. By modeling the resulting closed‐loop system as a special switched delayed system and using the piecewise Lyapunov‐Krasovskii functional method, the state‐independent input‐to‐output stabilty of closed‐loop system is established, where a feasible range of the “initial” values of piecewise continuous performance function is given to achieve a tradeoff between the closed‐loop stability and overshoot. It is shown that the developed switching‐based PPLC approach obtains better performance than the classical predefined performance control algorithms. Simulations on a pair of 3‐DOF planar arms illustrate the approach.
prescribed-performance-like control, Adaptive control/observation systems, switched control, Networked control, teleoperation, Delay control/observation systems, Control/observation systems governed by functional relations other than differential equations (such as hybrid and switching systems), Automated systems (robots, etc.) in control theory, time-varying delays, adaptive control
prescribed-performance-like control, Adaptive control/observation systems, switched control, Networked control, teleoperation, Delay control/observation systems, Control/observation systems governed by functional relations other than differential equations (such as hybrid and switching systems), Automated systems (robots, etc.) in control theory, time-varying delays, adaptive control
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