Numerical Control and Automation Engineering of theServosystems of the Antennas of the Solar RadioTelescopes at Four Wavelengths

This paper reports on the techniques of the retrofit and renewal of the servosystems of the solar radio telescopes at 4 wavelengths of the Yunnan Observatory by using the TP-801 A single board computers and the stepping motor numerical control systems to replace the original mechanic systems, thereby realizing the numerical control and automation of the servosystems.