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Design, modeling and control of 4-axis electro-optical director for high energy laser application

2019
Mavuş, Ahmet
With the development of laser technology, high power applications increasingly play significant roles in industry, military, and communication fields. Thus, handling large payloads, precisely steering laser beams comes into prominence. Achieving appropriate stiffness in mechanical design, optimal actuator and sensor selection, successful control strategy, and elaborative testing are factors involved in determining the system performance. In this study, firstly, a thorough literature review is conducted. Next, steps on sizing and selection of actuators, choosing sensors, and structural design are taken. Then, supported by the measurements, a detailed system model is created including friction, unbalance, cogging, and cable torques, structural dynamics altering with elevation angle along with electronics delays and noise. Finally, control architecture is proposed, and overall performance is evaluated against potential targets.