Introduction to Sensors and Actuators: Electrical, Mechanical, Chemical
Publisher: SciTech Publishing © 2013
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Table of Contents
The idea is that a system in general is made of three components:
Table of Contents
1. Inputs (viewed as sensors)
2. Outputs (viewed as actuators)
3. Processor (the unit to which the inputs and outputs are connected and performs all (or the most) tasks needed to interface them.
Sensors and actuators are not currently treated in the curriculum as a subject in its own right. There are, of course, allusions to it in circuits, electromagnetics, and other courses, but these are necessarily limited in scope. There is a good reason for it. Often, particularly in sensors, the principles are obscure to the student and may be based on material he/she may have never heard of. For the average electrical engineer, a sensor based on quantum physics or on electro-chemistry is as accessible as a poem in a foreign language. A mechanical engineer may find the principles of a microwave sensor equally challenging, and a biomedical engineer may have only limited background in electronics or mechanics. Further, the principles involved in sensing and actuation cover the whole range of scientific work.
It has therefore become necessary to present sensors and actuators in a way that makes the subject accessible to all students based on what they do have as a background.
2. Performance Characteristics of Sensors and Actuators
3. Temperature Sensors and Thermal Actuators
4. Optical Sensors and Actuators
5. Electric and Magnetic Sensors and Actuators
6. Mechanical Sensors and Actuators
7. Acoustic Sensors and Actuators
8. Chemical Sensors and Actuators
9. Radiation Sensors and Actuators
10. MEMS and SMART SENSORS
11. Interfacing Methods and Circuits
12. Interfacing to Microprocessors