Inertial Actuator
Reaction flywheel is a torque actuator unit for satellite attitude control system. SAST has developed several series of reaction flywheel with mechanical and electrical integrated structure, digital signal I/O. Great moment reaction flywheel is featured with high wheel momentum control precision and optimal speed zero-crossing.
Main Specifications of Flywheel
Types Iterm | FW-GR.090.0.1-B | FW-GR.260.15-B | FW-TR.350.15-A |
Maximum Momentum(Nms) | 0.1 | 15±1 | 15 |
Maximum Rotation Speed(rpm) | ±4000 | ≥3500 | 1500 |
Power(V) | 20V & 5V double bus | 28±3 | 42 |
Operation Mode | Reaction torque | Reaction torque mode | Zero Momentum Reaction torque mode |
Stable-state Consumption(W) | ≤2 | 8 | 10 |
Maximum Consumption(W) | ≤4.5 | 70 | 160 |
Interface | RS 485 full-duplex digital interface | RS 422 | RS 422 |
Dimension(mm) | (106±1)×(75±1)×(114±1) | （Φ252±1)×(106±1) | （Φ337±1)×(121±1) |
Mass(kg) | 1.08±0.2 | 7.5 | 11.5 |
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