MicroWheel 200

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Description

DESCRIPTION
MSCI is proud of the extensive flight heritage our world leading MicroWheel 200 (MW 200 Reaction Wheel) has gained.

The MW 200, part of MSCI’s High Performance Attitude Control product line, is a small, digitally controlled reaction wheel for space applications. The 200-series MicroWheel is for satellites requiring less than 200 mNms of momentum storage. It can include an optional angular rate sensor, to allow the device to become a sensor/actuator pair. An embedded microcontroller operates both the reaction wheel and optional rate sensor. The microcontroller implements speed and torque control loops for the reaction wheel, allowing it to accurately track speed or torque commands from a satellite’s attitude control computer. Commands and telemetry (including wheel speed, acceleration, torque, rate sensor reading, temperature, voltage, current, and internal pressure) are communicated via a serial interface.

The MicroWheel reaction wheel is hermetically sealed, containing a <0.1 ATM dry argon environment, to prevent the loss of bearing lubricant, and to promote convective heat exchange.

BENEFITS
MSCI’s MW 200 MicroWheels provide a simple, drop-in solution to satellite control. With their serial data interface, the MicroWheels perform all motor control tasks internally to generate precisely the torque requested by the Attitude Control System (ACS) computer.

 

Datasheet

Microsat Systems Canada – MicroWheel 200

Overview
NameMicroWheel 200
ManufacturerMicrosat Systems Canada
SubsystemACDS
ClassificationReaction Wheel
Form FactorSmallSat
TRL9
HeritageYes
Vendor Overview
Vendor NameMicrosat Systems Canada
Vendor Websitehttp://www.mscinc.ca/
Vendor LocationCanada
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SPECIFICATIONS
SubsystemACDS
ClassificationReaction Wheel
Form FactorSmallSat
VendorMicrosat Systems Canada
HeritageYes
Mass0.94 kg
Nominal Power7.0 W

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