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  1. Home
  2. Indian Institute of Technology Madras
  3. Publication6
  4. Design of Electrical Power Subsystem for IITMSAT
 
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Design of Electrical Power Subsystem for IITMSAT

Date Issued
29-09-2015
Author(s)
Gopakumar, Sooraj
Eega, Saisree
Suresh, Susurla V.S.
Reddy, Madadi Sai Sriram
Antony, Anand
Harishankar Ramachandran 
Indian Institute of Technology, Madras
Ravinder David Koilpillai 
Indian Institute of Technology, Madras
DOI
10.1109/IconSpace.2015.7283829
Abstract
This paper describes the design, development and test results of the Electrical Power Subsystem (EPS) of IITMSAT - the nano-satellite project of Indian Institute of Technology Madras (IITM). IITMSAT's payload comprises of an indigenously designed and developed Space based Proton Electron Energy Detector (SPEED). It is designed to measure the high energy particle precipitations just below the Van Allen Belts. Apart from SPEED, the satellite electronics include the health monitoring sensors, attitude sensors, three 32-bit ARM microcontrollers to process the data, communication module, Beacon, Command and Data Management System (CDMS) and electromagnetic actuators (Torque Rods) to align the satellite along the Earth's local magnetic field in the Low Earth Orbit (LEO). This indigenous EPS was designed and developed using low-cost, high-performance commercial off-the-shelf (COTS) components of industrial grade, to power loads of about 6 Watts. This paper describes the satellite power requirements, EPS hardware design, simulation results followed by practical results obtained from the prototype hardware.
Volume
2015-September
Subjects
  • DC-DC converters

  • Li-ion cell

  • Power management

  • Ripple filter

  • Solar charger

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