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This paper presents a novel de-centralized cycle-free traffic signal controller that adapts to changes in traffic demand. Traffic signal timing optimization is achieved using a Nash Bargaining game-theoretic framework, where each phase is modeled as a player in a game in which the players cooperate to reach a mutual agreement. The Nash bargaining solution is applied to obtain the optimal control strategy,...
This paper presents an overview of singular perturbations and time scales (SPaTS) in control theory and application, which covers stability, stabilization, fault diagnosis and fault tolerant control of several common classes of singularly perturbed systems, and applications of SPaTS to aerospace systems.
This paper deals with the fault detection and fault-tolerant control problems for delta operator systems. A filter/controller is designed to detect the fault and guarantee the closed-loop H∞ performance. Finally, a flight control example shows that the proposed method is efficient.
Kossel-line diffraction method is an important way to measure the structure of crystals. Colloidal crystal is one of the hotspots on the condensed physics research. In order to obtain the diffraction image, a 473nm wavelength laser is used to irradiate samples, and then the Kossel-line image of sample is projected onto the translucent screen and recorded by charge coupled device (CCD) camera. Especially,...
This paper investigates the path-tracking problem for four-wheel-steering and four-wheel-driving electric vehicles with input constraints, actuator faults, and external resistance. A hybrid fault-tolerant control approach, which combines the linear-quadratic control method and the control Lyapunov function technique, is proposed. It not only maintains the vehicle's tracking performance in spite of...
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