Enhanced Extended State Observer Based on Trajectory Linearization Control for External and Internal Disturbances

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:

This paper proposes a novel hybrid control framework by combing enhanced extended state observer with trajectory linearization control for air vehicle acceleration tracking problems. First, based on the tracking error dynamics derived by Taylor expansion for the original nonlinear system along the desired trajectory, a feedback linearization-based control law is designed to stabilize a linear time-varying system. To reduce the controller performance sensitivity to uncertainties, with partial model information, an enhanced extended state observer is constructed to estimate the tracking error vector, as well as the uncertainties in an integrated manner. The closed-loop stability of the system under the proposed compound scheme is established. Both numerical simulation studies and an application example of air vehicle acceleration autopilot design demonstrate the feasibility and efficacy of the proposed method.

Language:
Persian
Published:
Amirkabir Journal Mechanical Engineering, Volume:54 Issue: 6, 2022
Pages:
1319 to 1339
https://www.magiran.com/p2724341  
سامانه نویسندگان
  • Allahverdizadeh، Firooz
    Author (4)
    Allahverdizadeh, Firooz
    Assistant Professor Control, Malek-Ashtar University Of Technology, تهران, Iran
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