Following the Indian Space Research Organisation’s (ISRO) novel idea of using the spent PS4 stage of the PSLV as a platform for scientific experiments and technology demonstrations, a unique opportunity has been created to develop and test small-satellite subsystems and instruments as PS4-OP (PSLV 4th Stage Orbital Platform) payloads, prior to the launch of the small satellite itself. The PiLOT (PS4 in-orbital OBC and TTC) payload has been developed with an engineering objective of flight qualifying the in-house developed small-satellite subsystems, which are the OBC (On-Board Computer) and TTC (Telemetry and Telecommand) subsystems. The PiLOT payload also contains a RADFET (Radiation Field Effect Transistor) sensor for monitoring radiation dosage. Mapping the temporal and spatial distribution of the radiation dosage will help improve the understanding of the space weather in the low earth orbit. This paper describes in detail the development of the PiLOT PS4-OP payload including a description of the different subsystems of the payload, which are the RADFET sensor board, the OBC, the TTC board, and the PS4-OP interface board. The paper concludes with a description of the integration, testing methodology, and the current developmental status of the payload.
Development of a PS4-OP Payload for Technology Demonstration of Small-Satellite Subsystems
Lect.Notes Mechanical Engineering
2023-05-18
12 pages
Article/Chapter (Book)
Electronic Resource
English
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