A space-grade low-cost attitude control system (including control computer, sensors, etc.) that can be used for three-axis attitude control of ultra-small satellites, CubeSats.
A posture control device that can be used for three-axis attitude control of ultra-small satellites, CubeSats. This device includes an attitude control computer, reaction wheels, magnetic torquers, three-axis geomagnetic sensors, MEMS gyros, sun sensors, and Earth sensors, packaging almost all the equipment necessary for attitude control. Additionally, it is possible to install an optional star tracker and redundant geomagnetic sensors.
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basic information
The main specifications of the attitude control device are as follows: Satellite size: 2–6U Mass: 554g (for small reaction wheels (RW)) Dimensions: 90x96x75mm (for small RW) Rate measurement accuracy: 0.02°/sec (3σ) Attitude measurement accuracy: 0.6° (3σ) (for sun sensors and earth sensors), 0.1° (3σ) (for star trackers) Attitude control accuracy: 1° (3σ) (for sun sensors and earth sensors), 0.2° (3σ) (for star trackers) Input voltage: 3.3V, 5V, VBat (6.5V–16V) Angular momentum: 1.7 mNms (maximum, small RW) Maximum torque: 0.23 mNm (small RW) Magnetic moment: ±0.48 Am^2 (maximum, small magnetic torquer) Magnetic sensor: Measurement noise <50nT Power consumption: 0.571W (average, excluding RW), 2.295W (maximum, excluding RW) Operating temperature range: -10 to +60°C TID: 20krad It is possible to change the RW used in the above control device to a larger magnetic torquer, allowing it to accommodate up to 12U.
Price information
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Delivery Time
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Applications/Examples of results
We have a lot of achievements in three-axis attitude control for small satellites.
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Company information
The Advanced Technology Research Institute is an engineering company that supports space development and utilization, including rockets and artificial satellites, in Japan and around the world. We conduct a wide range of activities from the design and development of space systems, subsystems, and components for satellites and rockets, both small and large, to the sale of overseas space equipment. Additionally, we sell solar cells for space and ground use, and we design and develop solar cell panels for space as well as sell solar power generation modules and systems for ground use. For small satellites, including CubeSats, we provide system development from 1U to 12U, offer bus components, design and develop bus equipment, assemble satellites, and conduct integration and testing of satellites, including payloads. We also design, develop, and sell small electric propulsion systems for CubeSats and small satellites.
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