How does a satellite platform work in space?

A satellite platform,sometimes referred to as a”satellite bus,”provides the basic structure and functions of a satellite,including energy supply,attitude control,communication systems,and more.In this sense,the satellite platform is the infrastructure of the satellite,through which it can support a variety of different missions and application payloads.

Satellite platform workflow

Orbit selection and positioning:Before launching a satellite,aerospace engineers calculate and select the most appropriate orbit for the mission,depending on the nature and requirements of the mission.Once the satellite is launched into orbit,its positioning will be monitored by its built-in inertial measurement unit and the global Positioning System(if any).

Energy supply:

Satellites usually carry solar panels that use the sun’s energy to provide energy.These panels generate electricity when exposed to sunlight,which is then stored in a battery pack for use by the satellite,so that it can continue to work in shaded areas or at night.

Attitude control:

The satellite must maintain the correct attitude in order to perform its mission.The attitude control system usually consists of components such as gyroscopes,thrusters,and reaction wheels to ensure that the satellite maintains the desired orientation and stability.

Communication:

Satellite platforms communicate with ground control stations or user terminals through their carried antennas.These communication links may be radio frequency bands,optical or microwave links,depending on the design and purpose of the satellite.

Data collection and processing:

Satellite platforms carry various sensors and instruments for data collection.These data may include Earth observation images,weather data,communication signals,etc.The computer system on the satellite is responsible for processing and storing this data.

Mission execution:

Depending on the design and purpose of the satellite,it may perform a variety of tasks,such as earth observation,communications relay,weather forecasting,etc.In carrying out its mission,the satellite must coordinate and communicate with ground control stations and other satellites.

Health status monitoring:

The satellite platform sends regular status reports to inform the ground control station of its health status.These reports may include battery level,attitude stability,communication system status,and more.

To sum up,the use of satellite platforms in space involves many aspects such as energy supply,attitude control,communications,data collection and processing,and requires continuous monitoring and maintenance to ensure their normal operation and mission execution.