Feasibility study on thermal survivability of X-Band subsystem on RASAT microsatellite

Okan, A
After the launch and commissioning of the first Turkish remote sensing satellite BILSAT-1(center dot), TUBITAK BILTEN has initiated the RASAT microsatellite project. RASAT will be a remote sensing microsatellite at low Earth orbit (LEO), with a mass of around 100 kg and an orbital average power of 38W. RASAT is planned to he launched in 2007 and will be the first satellite to be designed and manufactured entirely in Turkey.


First LEO Satellite Built in Turkey: RASAT
YÜKSEL, GÖKHAN; OKAN, ALTUĞ; Leloğlu, Uğur Murat (2007-06-16)
BiLSAT* project was the first step to initiate and to improve satellite technologies in Turkey and it covered all major steps to establish the necessary infrastructure in Turkey to design, build and test a LEO satellite entirely in the country. As a second step, RASAT project has been initiated in year 2004. Except for some systems; like imaging system and solar panels, the technology of which are not yet available in Turkey; RASAT Will totally be built and integrated at TUBITAK-UZAY facilities. The imaging...
Satellite attitude control by integrator back-stepping with internal stabilization
Doruk, Resat Oezguer; Kocaoglan, Erol (2008-01-01)
Purpose - This paper aims to focus on the implementation of the integral back-stepping control on the model of BILSAT - 1 satellite of the Turkish Scientific and Technological Research Council (TUBITAK).
Numerical and experimental investigation of the thermal behavior of a newly developed attitude Determination Control Unit in a Vacuum environment
ÖMÜR, Cem; UYGUR, A Bilge; IŞIK, H Gürgüç; Tarı, İlker (2011-06-11)
Within the framework of satellite programs carried out in Turkish Aerospace Industries, Inc. (TAI), a new Attitude Determination Control Unit (ADCU) has been developed. The present study involves the Thermal Vacuum Cycling Tests (TVCT) performed on the ADCU and the thermal mathematical model developed in order to assess the thermal behavior of the equipment under vacuum environment. For the qualification of the ADCU, 8 cycles of TVCT has been performed in a Thermal Vacuum Chamber (TVC). By demonstrating tha...
A Control moment gyroscope based on rotational vibrations, dynamic model and experimentation
Arberkli, Ferhat; Azgın, Kıvanç; Department of Mechanical Engineering (2018)
Satellite attitude determination and control system is one of the main subsystems of a spacecraft. Within this domain, there are several types of actuators; such as reaction wheels, control moment gyroscopes (CMG), propulsion systems and magnetic torque rods. All of them are common and currently being used on modern satellites and space stations depending on the application. Conventional reaction wheel and CMG operation are based on the continuous rotation of their rotor mass to exchange angular momentum be...
Study on an Advanced Attitude Determination Algorithm for the ERG Spacecraft
Söken, Halil Ersin; Asamura, Kazushi; Nakamura, Yosuke; Takashima, Takeshi (null; 2017-06-07)
AXA’s Arase Spacecraft, which is formerly known as Exploration of Energization and Radiation in Geospace (ERG), was launched on 20 December 2016. The spacecraft is spin-stabilized. Its mission is exploring how relativistic electrons in the radiation belts are generated during space storms. Two on-ground attitude determination algorithms are considered for the mission: a conventional simple algorithm that inherits from old missions and an advanced algorithm that is newly designed. This paper discusses the de...
Citation Formats
A. Okan, “Feasibility study on thermal survivability of X-Band subsystem on RASAT microsatellite,” 2005, p. 223, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/63835.