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Sub-systems

Structure

Objectives:

  • To withstand forces acting on the payload during launch and ejection.
  • To protect the satellite electronics from thermal issues.
  • To accommodate and protect the sub-systems during the entire mission.
  • To be compatible with all the ejection systems.
  • To comply with CUBESAT standards.
Payload

The payload consists of a small scale camera. These cameras can support a multitude of onboard applications such as remote sensing, debris detection and Translucent Lunar Phenomenon observation. The two STUDSAT Nano satellites are hosted with CMOS sensors one with wide angle area and the other with high spatial resolution camera to give a better clarity image.

Communication System

The communication system establishes a communication link with ground station. The telemetry and payload data is transmitted to the ground station. This system is developed keeping in mind constraints related to power, size and mass.

Attitude Determination & Control System

The attitude of a spacecraft is its orientation in space. This system determines the attitude of the satellite and controls it.

On Board Command & Data Handling

The command and data handler is the brain of the STUDSAT. It is responsible for controlling the satellite starting from the time it is ejected into the space. The controller is a 32 bit RISC controller with very low power consumption and a DSP instruction set. The command and data handler:

  • Deploys the antenna
  • Stabilizes the satellite when in orbit
  • Establishes a communication link with ground station
  • Monitors the health of the satellite.
  • Captures images of the earth
Electrical Power System

The Solar Panel is designed and implemented to withstand the forces acting during launch and ejection. It protects the satellite electronics from thermal issues.

     
 
     
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