Solar MEMS ISS sun sensors, developed for non-space markets, come in three variants:
- ISS-AX: The ISS-AX sensor measures the incidence angles of a solar radiation respect to its perpendicular. This information is provided through 4 analog outputs.
- ISS-DX: The ISS-DX sun sensor measures the incident angle of a sun ray in both orthogonal axes and the solar radiation. The high sensitivity reached is based on the geometrical dimensions of the design.
- ISS-TX: The ISS-TX sun sensor measures the incident angle of a sun ray in both orthogonal axes and the solar radiation. The high sensitivity reached is based on the geometrical dimensions of the design.
ISS sun sensors measure the incidence angle of a sun ray in both azimuth and elevation based on a quadrant photodetector device. The sunlight is guided to the detector through a window above the sensor. Dependent on the angle of incidence, the sunlight induces photocurrents in the four quadrants of the detector. Its characteristics make it a suitable tool for high accuracy sun-tracking and positioning systems, with low power consumption and high reliability. Different models of the each variant of ISS sun sensor are offered, differing in the field of view (FOV) of the sensor. The accuracy of the sensor is inversely proportional to this field of view. All models have been tested on solar trackers with Solar MEMS Helios Controller.
The ISS sun sensor series has been designed based on MEMS fabrication processes to achieve high integrated sensing structures at low cost.
The ISS sun sensor series can be used across a wide array of applications, including:
- Sun tracking/pointing systems
- Solar Trackers
- Attitude control using light sources
- Aircraft attitude control
- CSP, CPV and HCPV
- Determination of sun radiation
Some key features of the ISS sun sensor series include:
- Two orthogonal axes sun sensor
- Wide or narrow field of view
- High accuracy
- Reduced size
- Low weight
- IP65 protection
- Reverse polarity protection
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Last updated: 2022-05-05