Dynamic Quantized Tracking Control for Nonlinear Strict-Feedback Systems Under DoS Attacks and Exogenous Disturbances

This article studies the problem of quantized backstepping tracking control for nonlinear strict-feedback systems subject to denial-of-service (DoS) attacks, data rate constraints, and exogenous disturbances. Due to limited network resources, only finite bits of data can be transmitted per time unit...

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Vydáno v:IEEE transactions on industrial informatics Ročník 21; číslo 6; s. 4511 - 4521
Hlavní autoři: Zhao, Can, An, Liwei, Que, Jiaxiong, Wen, Xinluan, Ao, Yucai
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 01.06.2025
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Backstepping
Backstepping control
Closed loops
Coding
Control systems
Control systems design
Data transmission
Denial of service attacks
denial-of-service (DoS) attacks
Denial-of-service attack
Disturbances
Encoding
Event detection
Feedback
Feedback control systems
Informatics
Information science
limited data rate
Nonlinear control
Nonlinear dynamical systems
nonlinear strict-feedback systems
Nonlinear systems
Packet loss
Quantization (signal)
Tracking control
Tracking errors
Wireless networks
ISSN:1551-3203, 1941-0050
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Popis
Shrnutí:This article studies the problem of quantized backstepping tracking control for nonlinear strict-feedback systems subject to denial-of-service (DoS) attacks, data rate constraints, and exogenous disturbances. Due to limited network resources, only finite bits of data can be transmitted per time unit. A constant bit encoding-decoding scheme is first designed to guarantee limited data transmissions and be robust to DoS attacks and exogenous disturbances. To reduce the data rate, a variable bit encoding-decoding scheme is further designed that adaptively adjusts the data rate according to the actual frequency and duration of DoS attacks. High-order filters are designed to avoid repeatedly differentiating discontinuous state variables caused by discrete network behaviors in the design of backstepping controller. It is shown that all the closed-loop signals are globally uniformly bounded and the tracking error converges to a neighborhood of the origin. The effectiveness of the proposed scheme is illustrated by the experiment of the wheeled mobile robot.
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ISSN:1551-3203
1941-0050
DOI:10.1109/TII.2025.3541716