Designing a Multidimensional Sliding Mode Control System for Quadcopters Under Fault Conditions: Enhanced Fault Tolerance and Robustness

Subject Areas : International Journal of Smart Electrical Engineering

Mohammad Amin Ahmadi ¹ , Mehdi Siahi ² , Ali Moarefianpour ³ , Soodabeh Soleymani Morcheh Khorti ⁴

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Received: 2025-06-02 Accepted : 2025-07-11 Published : 2025-07-24

Keywords: Quadcopter, Multidimensional Sliding Mode Control, Faults, Dynamic Control.,

Abstract :

Unmanned aerial vehicles, particularly quadcopters, have gained widespread popularity across various applications. However, their operation is susceptible to faults, which can compromise stability and performance. This paper introduces a novel Multidimensional Sliding Mode Control (MSMC) strategy for quadcopters, designed to enhance fault tolerance and overall system robustness. The proposed approach incorporates advanced fault detection and isolation algorithms, enabling real-time identification and mitigation of diverse fault scenarios. Extensive simulations and experimental evaluations demonstrate the MSMC strategy's superiority over several existing fault-tolerant control techniques, achieving at least 18.47% higher accuracy in fault damping. Additionally, the sliding mode control system exhibits improved stability characteristics, with a response time reduction of at least 6.45% compared to conventional methods. The robustness and adaptability of the MSMC make it a promising solution for ensuring safe and reliable quadcopter operations under various fault conditions, paving the way for enhanced performance and increased operational safety across a wide range of applications.

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