A Study on the Control Characteristics of Thrust Vector Control Actuation System for Movable Nozzle of Solid Motor

2005

The motion of flexseal bearing for movable nozzle has inherent nonlinear characteristics due to floating rotational center and compression by combustion pressure of solid motor. To perform precise attitude control in spite of these characteristics, the TVC actuation system requires counter potentiometer as an extra position feedback sensor of movable nozzle to form a compensated control loop. The prototype TVC actuation system, test equipments and compensated controller are newly designed, manufactured and tested in consideration of counter potentiometer. On the basis of integration test, the inherent characteristics of movable nozzle and control characteristics of its TVC actuation system are analyzed and summarized in this paper.⨀ጊ缀Ѐ㘰〻Ԁ䭃䑎䷙᜕೺6㜱⸷㬅K䍄乍

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