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  2. Zero speed switch - Wikipedia

    en.wikipedia.org/wiki/Zero_speed_switch

    Zero speed switches (ZSS) also known as Speed Actuating Sensing Switches [1] are used to detect whether a rotating shaft is turning (even at very slow speeds) [2] in various machines, conveyors, power plants, and in industries involving the production of cement, sugar, textiles, paper, etc. Zero speed switches mainly use electromechanical, electronic, or magnetic proximity technologies.

  3. Direct torque control - Wikipedia

    en.wikipedia.org/wiki/Direct_torque_control

    A reversal of the rotation direction is possible too if the speed is passing through the zero range rapidly enough to prevent excessive flux estimate deviation. If continuous operation at low speeds including zero frequency operation is required, a speed or position sensor can be added to the DTC system. With the sensor, high accuracy of the ...

  4. Governor (device) - Wikipedia

    en.wikipedia.org/wiki/Governor_(device)

    A governor, or speed limiter or controller, is a device used to measure and regulate the speed of a machine, such as an engine.. A classic example is the centrifugal governor, also known as the Watt or fly-ball governor on a reciprocating steam engine, which uses the effect of inertial force on rotating weights driven by the machine output shaft to regulate its speed by altering the input flow ...

  5. Centrifugal switch - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_switch

    Centrifugal switches are designed to minimize frictional contact between the rotating speed sensor and the non-rotating switch body. In most cases, this is done by having contact at low speed, which is pulled away at operating speed, so there is friction only during brief periods of start-up and slow-down.

  6. Speedometer - Wikipedia

    en.wikipedia.org/wiki/Speedometer

    A speedometer or speed meter is a gauge that measures ... The pointer shaft is held toward zero by a fine ... a rotation sensor mounted in the transmission delivers ...

  7. Variable reluctance sensor - Wikipedia

    en.wikipedia.org/wiki/Variable_reluctance_sensor

    A VR sensor used as a simple proximity sensor can determine the position of a mechanical link in a piece of industrial equipment. A crankshaft position sensor (in an automobile engine) is used to provide the angular position of the crankshaft to the engine control unit. The engine control unit can then calculate engine speed (angular velocity).

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  9. Category:Speed sensors - Wikipedia

    en.wikipedia.org/wiki/Category:Speed_sensors

    Wheel speed sensor; This page was last edited on 28 November 2019, at 01:53 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...

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