Transducers and Sensors 1 min read
Electrical modelling: Active and passive sensors
Our approach to instrumentation is to treat sensors as circuit elements. We will call a sensor passive when it requires…
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Transducers and Sensors 1 min read
Dynamic Range
The ratio between the maximum and minimum signals the transducer may handle. The maximum is usually limited by compression or…
Transducers and Sensors 1 min read
Some more sensor characteristics
Cross-Talk or Cross-sensitivity Resolution
Transducers and Sensors 1 min read
Memory effects
Linear sensors –Laplace transforms and Convolution Non-linear sensors – Volterra integrals Hysteresis The existence of non-vanishing Volterra kernels gives rise…
Transducers and Sensors 1 min read
Sensitivity
Threshold and detectivity No sensor will respond to arbitrarily small signals. Signals in the range between zero and the sensor…
Transducers and Sensors 3 min read
Transducers and Sensors
By the end of this section you should be able to: • Discuss the definitions/specifications by which sensors are characterised.…
Transducer Engineering 1 min read
Magnetostrictive Torsion Transducer
Hall-Effect Transducers IC SENSOR Although conventional sensors are commercially still very much in use, over’ the last three decades, the…
Transducer Engineering 1 min read
MAGNETOSTRICTIVE TRANSDUCERS
• Magn.etostrictive transducers are similar to piezoelectric tranaducers and are based on the, application ‘of the magnetostriction phonomonon. Magnetostriction Phenomenon…
Transducer Engineering 1 min read
Piezoelectric Pressure Transducers
Piezoelectric Acceleration Transducer
Transducer Engineering 1 min read
Piezoelectric Strain ‘Transducer
• ,If accuracy and stability are of primary interest, metallic alloy resistive strain gauges are chosen, especially when static strain…
Transducer Engineering 1 min read
Piezoelectric materials
Ferrose lectric Materials P’iezoetectric, semiconductors • ‘A localized stress on .the upper surface of the p – n junction of a semiconductor diode caused…
