Proxy-Based Sliding Mode Stabilization of a Two-Axis Gimbaled Platform

Date

2011-10-21

Author

Hasturk, Ozgur
Erkmen, Aydan Müşerref
Erkmen, İsmet

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Nowadays, high portion of tactical missiles use gimbaled seekers. For accurate target tracking, the platform where the gimbal is mounted must be stabilized with respect to the motion of the missile body. Line of sight stabilization is critical for fast and precise tracking and alignment. Although conventional PID framework solves many stabilization problems, it is reported that many PID feedback loops are poorly tuned. In this paper, a recently introduced approach, proxy-based sliding mode control to a line-of-sight stabilization of two-axis gimbal system, is implemented. The tracking performance and disturbance rejection capability of the proxy based sliding mode control is compared with that of conventional PID control. Simulation and experimental results both indicate clear superiority of the proxy-based sliding control performance.

Subject Keywords

Line-of-sight stabilization, Unscented Kalman Filter, PID control, Proxy-based sliding mode control

URI

https://hdl.handle.net/11511/55988

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Department of Electrical and Electronics Engineering, Conference / Seminar