Sensors are normally used to convert physical variables like pressure to signal variables. Sensors are also often termed to as…
Servo motors are typically employed in closed-loop position control; for example let us consider the following application, where the angular…
We would like to design a system to measure and display the rotational speed of a shaft. To accomplish this,…
This is a variable-reluctance transducer used to detect small motions, giving output signals as low as 0.01° of changes in…
Null Instrument The null technique is one of the operational modes for a measuring instrument. A null instrument employs the…
Analog Sensors Analog sensors provide a signal that is continuous in both its magnitude and its temporal (time) or spatial…
Several mechanical input sensors, as well as some sensors which measure humidity or temperature, operate by the transduced quantity causing…
Let’s consider the functional diagram below: Figure 1 DC motor power op-amp speed controller functional diagram The D/A converter outputs…
Power electronics deals with the applications of solid state electronics for the control and conversion of electric power. The conversion…
An instrument may be calibrated by comparing its reading with that of a more accurate instrument when both are measuring…
