Research On Two-axis Antenna Motion Control System

The research of this dissertation is based on several double-axis antenna motion control systems, which are XXX Antenna Tracking System, Relay Satellite Antenna Pointing Motion Control System, Satellites Mutual Pointing Antenna Tracking System and NSMI-0118 Portable Antenna Motion Control System. Theoretic and engineering key points are studied thoroughly in this dissertation, and the research results have been applied to practical project successfully. XXX Antenna Tracking System is a low speed, high tracking precision servo system, whose key is how to realize high precision motive tracking. The author's study covers project layout, hardware design, mathematic model setup and software design principles. The model machine, based on two micro-step hybridstepping motors, double-channel rotating transformers and an embedded controllerPC/104, has achieved system's requirements.The dissertation studies both hardware and software knowledge on the design of two-axis antenna motion control systems. In this dissertation, a control model, a double close-loops control method, a high precision feedback circuit and some monitor software programming principles are propose. This dissertation will contribute much to later study on two-axis antenna motion control systems.