传感器原理及应用第二版

Ten Major Sensor Principles and Applications
Sensors are detection devices that can perceive the measured information and transform the perceived information into electrical signals or other required forms of information in accordance with certain rules to meet the needs of information transmission, processing, storage, and display.
How to Learn the Principles and Engineering Applications of Sensors?
In addition to understanding PID, manual/auto stations (MA), high/low limits, addition, subtraction, multiplication, and division, you should also know some knowledge of logic gates, such as AND gates, OR gates, NOT gates, filtering (lead lag), NAND gates, NOR gates, etc.
What are the common measurement conversion circuits for piezoelectric sensors?
The principle, characteristics, and applications of piezoelectric pressure sensors include the main piezoelectric effect, with the main piezoelectric materials being dipotassium hydrogen phosphate, sodium potassium tartrate, and quartz.
How many types can sensors be classified into according to the principle of conversion?
The application areas and working principles of common sensors are listed in Table 1.1. According to their purposes, sensors can be classified into pressure-sensitive and force-sensitive sensors, position sensors, liquid level sensors, energy consumption sensors, and speed sensors.
Principles and Applications of Level Sensors
The principle of a level sensor is based on measuring the change in static gravitational acceleration and converting it into tilt angle changes. The measured tilt angle can be displayed as an angle on the LCD screen. Products usually have temperature compensation to eliminate errors caused by temperature fluctuations.
Principles and Applications of Speed Sensors
The speed of an object\'s movement can be divided into linear speed and angular speed (rotational speed). Different types of speed sensors and testing principles are used depending on the object being tested, the required measurement accuracy, and other factors.
Principles and Applications of Automotive Current Sensors
The direct current detection method, such as the shunt method and efficient battery discharge meter, is based on this principle. The shunt method detects the voltage generated at the ends of a resistor when detecting direct current passing through the resistor.
What Does GBM2 Represent for Proximity Sensors?
1. GBM2 in proximity sensors represents a type of distance sensing technology. 2. GBM2 is a model of proximity sensor that detects the proximity of an object to the sensor by sensing the distance between them. It typically uses electricity for operation.
Differences Between Fiber Amplifiers and Fiber Sensors
Fiber amplifiers and fiber sensors are two different applications based on fiber optic technology, with the following differences: 1. Principle and Function: Fiber amplifiers amplify optical signals, while fiber sensors detect changes in the environment using optical fibers.
Principles and Applications of Weighing Sensors
The principle of weighing sensors is based on the elastic body undergoing deformation under external force, causing the resistance strain gauge attached to its surface to also deform. This deformation changes the resistance value of the strain gauge, which is then measured by the corresponding measuring circuit.



