A
position sensor is a
sensor that detects an object's position. A position sensor may indicate the absolute position of the object (its location) or its relative position (displacement) in terms of linear travel, rotational angle or three-dimensional space. Common types of position sensors include the following:
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Capacitive displacement sensor
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Eddy-current sensor
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Hall effect sensor
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Inductive sensor
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Laser Doppler vibrometer (optical)
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Linear variable differential transformer (LVDT)
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Photodiode array
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Piezo-electric transducer (piezo-electric)
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Position encoders:
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Potentiometer
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Proximity sensor (optical)
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String potentiometer (also known as a string potentiometer, string encoder or cable position transducer)
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Ultrasonic sensor
See also
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List of length, distance, or range measuring devices
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Positioning system
Literature
