Momentum Wheel

Reaction flywheel is an important equipment of satellite control subsystem. Its main function is to adjust the attitude of satellite by adjusting the rotation speed of the flywheel according to the data information from star sensor, sun sensor.

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Introduction

Reaction flywheel is an important equipment of satellite control subsystem. Its main function is to adjust the attitude of satellite by adjusting the rotation speed of the flywheel according to the data information from star sensor, sun sensor.

Features

a.small size

b.lightweight


Specifications
Item Specification Unit
Weight <1.6 Kg
Dimensions 102×102×105 mm3
Steady Power Consumption <1 W
Maximum Power Consumption <25 W
Maximum Angular Momentum 0.65 Nms
Maximum Control Moment 20 mN·m
Operating Rotation Speed Range  (-6000 to 6000) @15V rpm
Driving Voltage 14 to 18 V
Maximum Driving Current 1550 mA
Rotation Speed Control Accuracy none (0rpm  to 30rpm)better than ±5 (30rpm  to 100rpm)better than ±1 (>100rpm) rpm
Current Control Resolution 0.15 mA
Momentum Control Resolution 0.003 mN·m
Pseudo Angle Control Resolution better than 0.1 °
Angular Speed Control Resolution better than 0.1 °/S


Applications
Product Mission Record or Plan
Momentum wheel TT-2 2014