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SENSORSa.k.a.Interfacing to the Real World:Review of Electrical Sensors and Actuators



Andrew Mason
Associtate Professor, ECE

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Transducers

Transducer

a device that converts a primary form of energy into a corresponding signal with a different energy form
Primary Energy Forms: mechanical, thermal, electromagnetic, optical, chemical, etc.
take form of a sensor or an actuator
Sensor (e.g., thermometer)
a device that detects/measures a signal or stimulus
acquires information from the “real world”
Actuator (e.g., heater)
a device that generates a signal or stimulus