Active thermal control system parameters selection for the space-based antenna complex reflector design

Аuthors

Azhevsky Y. A.^*, Prosuntsov P. V.^**

Bauman Moscow State Technical University, MSTU, 5, bldg. 1, 2-nd Baumanskaya str., Moscow, 105005, Russia

*e-mail: azhevsky.yaroslav@mail.ru
**e-mail: pavel.prosuntsov@mail.ru

Abstract

The article proposes a concept of a large-size composite reflector for the space-based radar. Active thermal control system (ATCS), consisting of carbon heating element, temperature sensor and a heating element control program, is being employed for the temperature differences reduction. The performed modeling of radiation-conductive heat exchange of the reflector structure while low near-Earth orbit flight while the ATCS employing demonstrated perspective of the proposed solution and allowed thermal displacements level reduction of the reflector mirror from 1 mm to 0.11 μm.

Keywords:

Earth remote probing, active thermal control system, PID controller, orbital heating, carbon heater

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