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A control moment gyroscope (CMG) is an attitude control device generally used in spacecraft attitude control systems. A CMG consists of a spinning rotor and one or more motorized gimbals that tilt the rotor’s angular momentum .
Gyroscopic control may refer to: Control moment gyroscope , an attitude control device generally used in spacecraft attitude control systems Gyroscopic control (gaming) , accelerometers to as a control input
A spacecraft's attitude must typically be stabilized and controlled for a variety of reasons. It is often needed so that the spacecraft high-gain antenna may be accurately pointed to Earth for communications, so that onboard experiments may accomplish precise pointing for accurate collection and subsequent interpretation of data, so that the heating and cooling effects of sunlight and shadow ...
A gyroscope flywheel will roll or resist about the output axis depending upon whether the output gimbals are of a free or fixed configuration. An example of some free-output-gimbal devices is the attitude control gyroscopes used to sense or measure the pitch, roll and yaw attitude angles in a spacecraft or aircraft. Animation of a gyro wheel in ...
In January 2019, WorldView-4 was announced to have suffered a failure in one of its control moment gyroscopes, and was considered no longer usable. [9] WorldView-4 was insured against satellite failure, and in spring 2019 the company owning the satellite, Maxar Technologies , which had acquired DigitalGlobe in 2017, announced that they had ...
A Gyroscopic stabilizer is a control system that reduces tilting movement of a ship or aircraft. It senses orientation using a small gyroscope, and counteracts rotation by adjusting control surfaces or by applying force to a large gyroscope. It can be: Some active ship stabilizers adjust "active fins" of the ship or apply force to a large ...
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I was under the impression that control moment gyroscopes could not be saturated like a reaction wheel. The limitation on a CMG is the rate of torque change per second (based on the gimbal actuator). —Preceding unsigned comment added by 129.186.192.110 ( talk ) 15:56, 13 March 2008 (UTC) [ reply ]
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