COARSE SUN SENSOR (Cosine type)

TYPICAL 2 - AXIS MODEL (Pyramid)
CONFIGURATION
- -No. of measurement axes:2
- - No. of detectors: 4 per bracket
- Other bracket configurations: 2, 6 or 8 detectors per bracket
HERITAGE
More than one hundred bracket assemblies flown with various configurations
PARAMETERS
- FIELD OF VIEW: 2π steradian plus
- Note: Baffles can be provided to restrict the field of view (FOV)
- ACCURACY: ±1° at Null (typical)
- INPUT POWER: None
- OUTPUT: 500µA to 1300µA peak, each detector
APPLICATIONS
- Solar-Array Pointing
- Sun Acquisition
- Fail-Safe Recovery
PROCESSING

Plot showing an example of the difference of two individual detector responses, with linear range of approximately 30° about null. Other signal processing methods are possible. Detectors can be placed closer together or further apart, depending on linear range/accuracy requirements.