Design of command and Data Management System for IITMSAT

Design of command and Data Management System for IITMSAT

In this paper we describe the design and development of the Command and Data Management System (CDMS) of the nano-satellite of IIT Madras, named IITMSAT. The CDMS module uses a 32-bit ARM microcontroller from Freescale - KL46Z256VLL4. This module is responsible for decoding the telecommands sent fro...

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Bibliographic Details
Published in:2015 International Conference on Space Science and Communication (IconSpace) pp. 11 - 16
Main Authors: Suresh, Susurla V.S., Dommeti, Ch. Saiteja, Rosh, K. S. Green, Kumar, K. C. Gopa, Chaitanya, V. Viswa, Gulati, Akshay K., Chandrachoodan, Nitin, Ramachandran, Harishankar, Koilpillai, David
Format: Conference Proceeding Journal Article
Language:English
Published: IEEE 01-08-2015
Subjects:
Boards
command and data management
Commands
Data management
Design engineering
Electronics
Ground stations
Hardware
Instruction sets
mbed-RTOS
Microcontrollers
Modules
Nanostructure
Payloads
real time clock
Satellites
SD card
telecommand and telemetry
Telemetry
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Summary:In this paper we describe the design and development of the Command and Data Management System (CDMS) of the nano-satellite of IIT Madras, named IITMSAT. The CDMS module uses a 32-bit ARM microcontroller from Freescale - KL46Z256VLL4. This module is responsible for decoding the telecommands sent from the ground station, and transmits the time-stamped payload data back as telemetry packets. The SD card on the CDMS board stores the satellite's health and science data as and when it is acquired in the orbit. The data is transmitted to the ground station (GS) during the satellite's visibility period. The interface board (I/F) links the Flight Computer module and CDMS board along with other electronics onboard. Throughout the design phase, the cost was kept as low as possible, without compromising on performance of the system. Custom-designed protocol and data frame format for communication between the satellite and ground station was completely developed from scratch, based on CCSDS cubesat standards.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Conference-1
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SourceType-Conference Papers & Proceedings-2
ISSN:2165-4301
2165-431X
DOI:10.1109/IconSpace.2015.7283815