Design and control of one precise tracking simulation bed for Chinese 20/30 meter optic/infrared telescope

摘要

Direct drive technology is the key to solute future 30-m and larger telescope motion system to guarantee a very hightracking accuracy, in spite of unbalanced and sudden loads such as wind gusts and in spite of a structure that, because ofits size, can not be infinitely stiff. However, this requires the design and realization of unusually large torque motor thatthe torque slew rate must be extremely steep too. A conventional torque motor design appears inadequate. This paperexplores one redundant unit permanent magnet synchronous motor and its simulation bed for 30-m class telescope.Because its drive system is one high integrated electromechanical system, one complexly electromechanical designmethod is adopted to improve the efficiency, reliability and quality of the system during the design and manufacturecircle. This paper discusses the design and control of the precise tracking simulation bed in detail.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.