Adaptive Sliding Mode Attitude-Tracking Control of Spacecraft with Prescribed Time Performance

Runze Chen, Zhenling Wang and Weiwei Che
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Runze Chen: The Institute of Complexity Science, College of Automation, Qingdao University, Qingdao 266071, China
Zhenling Wang: The Institute of Complexity Science, College of Automation, Qingdao University, Qingdao 266071, China
Weiwei Che: The Institute of Complexity Science, College of Automation, Qingdao University, Qingdao 266071, China

Mathematics, 2022, vol. 10, issue 3, 1-18

Abstract: In this article, a novel finite-time attitude-tracking control scheme is proposed by using the prescribed performance control (PPC) method for the spacecraft system under the external disturbance and an uncertain inertia matrix. First, a novel polynomial finite-time performance function (FTPF) was used to avoid the complex calculation of exponential function from conventional FTPF. Then, a simpler error transformation was introduced to guarantee that the attitude-tracking error converges to a preselected region in prescribed time. Subsequently, a robust adaptive controller was proposed by using the backstepping method and the sliding mode control (SMC) technique. Unlike the existing attitude-tracking control results, the proposed PPC scheme guarantees the performance of spacecraft system under the static and transient conditions. Meanwhile, the state trajectory of system can be completely drawn into the designed sliding surface. The stability of the control scheme is proven rigorously by the Lyapunov’s theory of stability. Finally, the simulations show that the convergence rate and the convergence accuracy are better for the tracking errors of spacecraft system under the proposed control scheme.

Keywords: prescribed performance control; sliding mode control; adaptive control; attitude tracking; backstepping method (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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