Deployable and Self Adaptive System of Intelligent Thermal Control of a Micro Satellite

Abstract

At present, the periodic power of equipment on micro satellite has reached hundreds of watts, and the temperature stability of equipment is required in a specific small range in complex variable thermal environment. Due to the main limitations of micro satellite heat dissipation capacity, energy, space, the traditional thermal control system can not meet the requirement. Therefore, a more efficient and intelligent system was proposed. In this paper, the system composition, deployable radiator, flexible loop heat pipe (LHP), data analysis of sensing and measuring, intelligent temperature control algorithm, simulation analysis and test verification were introduced and expounded. The system solved the heat dissipation and precise temperature control of periodic high power equipment in variable environment which has the characteristics of deployable and self adaptive. Compared with the traditional system, this system consumes less thermal compensation in non-working time, also be lighter in weight and smaller in volume, which makes it very suitable for micro satellites.