The problems of prominent delay effect and high computational resource requirements exist in UAV formation trajectory tracking. A relaxed distributed model predictive control algorithm based on delay compensation strategy and Laguerre function is proposed. Based on the distributed model predictive control framework
a discrete motion model of UAV formation is established
and the Laguerre function is introduced to parameterize the control inputs
which significantly improves the computational efficiency. The constraints are dynamically adjusted to avoid obstacles and inter-agent collisions through a discrete-time control barrier function and the slack variable mechanism. For the error accumulation problem caused by sampling delay
computation delay and communication delay
a multi-delay coupling compensation synchronization mechanism is proposed to effectively ensure the stable control of formation coordination. The simulated results show that the proposed algorithm can significantly reduce the trajectory tracking errors and enhance the dynamic responsiveness under random perturbation conditions. Furthermore
it meets the requirements for highly real-time and high reliability
providing an effective solution to the trajectory tracking challenges faced by UAV formation in complex environments.
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references
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