Sun Sensors In Satellites
The sun sensor is a 4 quadrant sensor 4 q based system with a wide angle pinhole frontend able to guarantee increased precision light power and field of view.
Sun sensors in satellites. The sun sensor is designed for missions with demanding lifetime radiation thermal and mechanical requirements and can be used in leo meo geo and beyond. The portfolio also includes a number of sun sensor on a chip ssoc models. The fine sun sensor fss is designed to deliver exact information about the position of the sun. Each sun sensor group is capable to estimate the satellite to sun vector with 1 up to 0 1 when sunlight is perpendicular to sensor s surface of accuracy.
Solar mems technologies develops an array of sun sensors for small and medium satellites that are designed to offer either a wide or narrow fov and are lightweight and low power. Existing sun sensors only determine the pointing direction towards the sun. Iss a5 iss a15 iss a25 and iss a60 analogue sun sensors. In other words they only provide two angles while three angles are required for complete spacecraft attitude.
A sun sensor is a navigational instrument used by spacecraft to detect the position of the sun. This information is used for yaw steering of the spacecraft and therefore applied in earth pointing devices and solar array orientation. Sun sensors are used for attitude control solar array pointing gyro updating and fail safe recovery. The proposed three axis sun sensor can determine all three angles of attitude information simply by.