AS3011 Satellite Architecture Syllabus:
AS3011 Satellite Architecture Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES
• To make the students understand the basic aspects of satellite architectural frame work
• To expose the students to various subsystems involved in the construction of a satellite
• To familiarize the students with satellite data handling procedures and the requirements of propulsion systems for maneuvering the satellite
• To learn the concepts of satellite power and thermal control systems
• To make the students aware of satellite telemetry and command system and data handling
UNIT – I BASICS OF SATELLITE ARCHITECTURE
A brief description of satellite architecture layout – Importance of design of satellite architecture in space missions-Satellite Payload and Bus – Different types of payload and their missions – Subsystems of Satellite Bus – A brief description and functions of subsystems of satellite bus – Satellite Structure – Power System – Attitude and orbit control – Telemetry and command – Satellite thermal control system – Data handling system – Satellite propulsion system
UNIT II SATELLITE POWER AND THERMAL CONTROL SYSTEMS
Satellite power system elements – solar arrays –fuel cells – radioisotope generators and batteries – Spacecraft thermal balance – view factors – equilibrium temperature – skin temperature – Passive and active thermal control systems
UNIT- III SATELLITE ATTITUDE CONTROL SYSTEM
Active control system layout – Three axis stabilized, spin stabilized and hybrid spacecraft – Magentic, gravity gradient and aerodynamic torques – Momentum storage torquers – Attitude measurement system fundamentals – inertial sensors – Active control system computation
UNIT- IV SATELLITE TELEMETRY AND COMMAND SYSTEM AND DATA HANDLING
Basics of transponder system and antenna subsystem – filters and transmitters – telemetry data classification – telemetry data encoding – telemetry list and data format – error control – downlink frequencies and modulation – Telecommand user interface
UNIT-V SATELLITE PROPULSION SYSTEM
Use of liquid chemical rocket propulsion – propellant management – use of secondary propulsion systems such as cold gas systems – solid propellant apogee motors – propulsive roles for electric rockets – use of electric rocket propulsion systems – types of electric propulsion systems
COURSE OUTCOMES
Upon completion of the course the students
CO1: will be able to apply the basic knowledge gained, for the preliminary design of small satellite systems
CO2: will be able to analyze satellite telemetry data at preliminary level and understand the operation of telecommand user interface
CO3: will be able to analyze satellite stability problems as a project team member and suggest solutions
CO4: will be able to evaluate the suitability of satellite systems designed for a particular mission
CO5: will be able to create suitable new designs for a specific mission for satellite-bus subsystems
REFERENCES:
1. James R.Wertz,“Spacecraft Attitude Determination and Control”, Kluwer Academic Publisher, Re edition 2012.
2. James R Wertz & Wiley J. Larsen, “Space Mission Analysis and Design”, (Space Technology Library, Vol. 8, Microcosm Publisher, 1999.
3. Marcel J.Sidi, “Spacecraft Dynamics and Control-A Practical Engineering Approach”, Cambridge University press, 2000.
4. Lecture notes on “Satellite Architecture”, ISRO Satellite Centre Bangalore–560017.