Sensors and Testing Technology

Through this course, you will learn about the basic concepts of sensors and their basic characteristics (static and dynamic characteristics), the working principles, structural composition, characteristic analysis, signal conditioning circuits of typical sensors, and the testing methods of typical parameters (vibration, temperature, flow), System composition; understand the application of sensors and testing technology in the national economy and the latest development trends; improve learners' ability to creatively use knowledge and independently discover, research and solve problems.
We divide the sensor and testing technology course into four parts (basic theory of sensor and testing technology, sensor principle, typical parameter measurement, precision measuring instruments), sixteen chapters, and a total of 26 lectures. The main contents include: basic concepts of sensors and testing technology, systematic characteristic analysis of testing, strain gauge sensors, capacitive sensors, inductive sensors, piezoelectric sensors, Hall sensors, CCD image sensors, optical fiber sensors, and induction synchronization instrument, measurement grating and other grating sensors, other sensors, vibration measurement, temperature measurement, flow measurement, three coordinate measuring machine.

• Chapter 1：Sensor definition, classification and composition (22 minutes and 51 seconds)

• Chapter 2：The importance and development trends of sensors and testing technology (10 minutes and 31 seconds)

• Chapter 3：Classification of measurables and composition of test systems (5 minutes and 28 seconds)

• Chapter 4：Development Trends of Sensors and Testing Technology (4 minutes and 27 seconds)

• Chapter 5：Course materials and main contents (2 minutes and 29 seconds)

• Chapter 6：Overview of test system features (4 minutes and 51 seconds)

• Chapter 7：linearity (6 minutes and 33 seconds)

• Chapter 8：Sensitivity (2 minutes and 51 seconds)

• Chapter 9：Hysteresis (1 minutes and 11 seconds)

• Chapter 10：Repeatability (2 minutes and 50 seconds)

• Chapter 11：Other static characteristic indicators (6 minutes and 3 seconds)

• Chapter 12：Special Issues in Dynamic Measurements (3 minutes and 58 seconds)

• Chapter 13：General mathematical model of test system (5 minutes and 9 seconds)

• Chapter 14：Transfer Function (3 minutes and 56 seconds)

• Chapter 15：frequency response function (11 minutes and 45 seconds)

• Chapter 16：unit impulse response function (2 minutes and 55 seconds)

• Chapter 17：Conditions for achieving distortion-free testing (6 minutes and 22 seconds)

• Chapter 18：Analysis of first-order system dynamic characteristics (19 minutes and 0 seconds)

• Chapter 19：Analysis of dynamic characteristics of second-order systems (17 minutes and 48 seconds)

• Chapter 20：Determination of dynamic characteristic parameters of the test system (11 minutes and 26 seconds)

• Chapter 21：Overview of Resistive Strain Sensors (6 minutes and 27 seconds)

• Chapter 22：Working principle of resistance strain gauge (gauge) (15 minutes and 57 seconds)

• Chapter 23：Types, parameters, model codes of resistance strain gauges (10 minutes and 28 seconds)

• Chapter 24：Temperature error and compensation of resistance strain gauge (13 minutes and 23 seconds)

• Chapter 25：DC measuring bridge (28 minutes and 12 seconds)

• Chapter 26：AC measuring bridge (8 minutes and 51 seconds)

• Chapter 27：Commonly used bridge source modules (12 minutes and 58 seconds)

• Chapter 28：Applications of strain gauge sensors (22 minutes and 0 seconds)

• Chapter 29：How capacitive sensors work (5 minutes and 48 seconds)

• Chapter 30：Characteristic Analysis of Capacitive Sensors (23 minutes and 16 seconds)

• Chapter 31：Equivalent circuit of capacitive sensor (4 minutes and 35 seconds)

• Chapter 32：Factors affecting the accuracy of capacitive sensors (12 minutes and 58 seconds)

• Chapter 33：Transformer bridge circuit (4 minutes and 42 seconds)

• Chapter 34：FM circuit (4 minutes and 8 seconds)

• Chapter 35：Op amp type circuit (3 minutes and 32 seconds)

• Chapter 36：pulse width modulation circuit (13 minutes and 59 seconds)

• Chapter 37：Applications of Capacitive Sensors (10 minutes and 8 seconds)

• Chapter 38：working principle (15 minutes and 8 seconds)

• Chapter 39：signal conditioning circuit (7 minutes and 32 seconds)

• Chapter 40：Factors affecting the accuracy of variable reluctance sensors (2 minutes and 59 seconds)

• Chapter 41：application (4 minutes and 42 seconds)

• Chapter 42：working principle (20 minutes and 51 seconds)

• Chapter 43：signal conditioning circuit (8 minutes and 58 seconds)

• Chapter 44：application (1 minutes and 49 seconds)

• Chapter 45：working principle (14 minutes and 52 seconds)

• Chapter 46：signal conditioning circuit (8 minutes and 58 seconds)

• Chapter 47：application (8 minutes and 39 seconds)

• Chapter 48：Piezoelectric effect (20 minutes and 17 seconds)

• Chapter 49：Piezoelectric constant and piezoelectric constant matrix (17 minutes and 40 seconds)

• Chapter 50：Equivalent Circuit (9 minutes and 26 seconds)

• Chapter 51：Piezoelectric materials (13 minutes and 13 seconds)

• Chapter 52：voltage amplifier (17 minutes and 17 seconds)

• Chapter 53：charge amplifier (8 minutes and 38 seconds)

• Chapter 54：Applications of voltage sensors (20 minutes and 2 seconds)

• Chapter 55：Hall Effect (14 minutes and 15 seconds)

• Chapter 56：Hall elements and measurement circuits (3 minutes and 48 seconds)

• Chapter 57：The main characteristic parameters of Hall elements (4 minutes and 43 seconds)

• Chapter 58：Hall element errors and compensation (9 minutes and 25 seconds)

• Chapter 59：Hall sensor applications (8 minutes and 50 seconds)

• Chapter 60：How CCD image sensors work (20 minutes and 31 seconds)

• Chapter 61：Linear and area CCD image sensors (13 minutes and 34 seconds)

• Chapter 62：Main parameters of CCD image sensor (10 minutes and 33 seconds)

• Chapter 63：Applications of CCD image sensors (12 minutes and 55 seconds)

• Chapter 64：Overview (21 minutes and 27 seconds)

• Chapter 65：The composition and classification of fiber optic sensors (8 minutes and 5 seconds)

• Chapter 66：Modulation form of fiber optic sensor (12 minutes and 6 seconds)

• Chapter 67：Applications of fiber optic sensors (9 minutes and 25 seconds)

• Chapter 68：Overview (7 minutes and 9 seconds)

• Chapter 69：How the induction synchronizer works (13 minutes and 7 seconds)

• Chapter 70：Subdivision principle (3 minutes and 58 seconds)

• Chapter 71：Signal processing method (17 minutes and 29 seconds)

• Chapter 72：Grating and Moiré (18 minutes and 23 seconds)

• Chapter 73：Structure of grating sensor (7 minutes and 27 seconds)

• Chapter 74：Directional principle (9 minutes and 45 seconds)

• Chapter 75：Segmentation technology (15 minutes and 51 seconds)

• Chapter 76：Other grid sensors (10 minutes and 45 seconds)

• Chapter 77：Humidity Sensor (41 minutes and 24 seconds)

• Chapter 78：robot sensor (17 minutes and 42 seconds)

• Chapter 79：network sensor (34 minutes and 0 seconds)

• Chapter 80：Overview (10 minutes and 11 seconds)

• Chapter 81：Relative vibration sensor (4 minutes and 12 seconds)

• Chapter 82：Inertial (absolute) vibration sensor (28 minutes and 29 seconds)

• Chapter 83：vibrational excitation (10 minutes and 39 seconds)

• Chapter 84：shaker (4 minutes and 38 seconds)

• Chapter 85：Calibration of vibration sensors (9 minutes and 39 seconds)

• Chapter 86：Vibration signal analysis instrument (12 minutes and 20 seconds)

• Chapter 87：The concept of temperature (4 minutes and 1 seconds)

• Chapter 88：temperature scale (11 minutes and 4 seconds)

• Chapter 89：Main methods of temperature measurement (2 minutes and 33 seconds)

• Chapter 90：working principle (11 minutes and 28 seconds)

• Chapter 91：Basic laws of thermocouple temperature measurement (8 minutes and 31 seconds)

• Chapter 92：Thermocouple cold junction temperature and its compensation (11 minutes and 16 seconds)

• Chapter 93：Thermocouple materials, types and structures (14 minutes and 19 seconds)

• Chapter 94：Dynamic characteristics of thermocouples (7 minutes and 13 seconds)

• Chapter 95：Thermocouple Applications (4 minutes and 39 seconds)

• Chapter 96：Metal thermal resistance temperature measurement (14 minutes and 33 seconds)

• Chapter 97：Semiconductor temperature sensor (12 minutes and 12 seconds)

• Chapter 98：Infrared temperature measurement (16 minutes and 3 seconds)

• Chapter 99：Other temperature measurement methods (5 minutes and 23 seconds)

• Chapter 100：Overview (16 minutes and 52 seconds)

• Chapter 101：Differential pressure flow meter (17 minutes and 12 seconds)

• Chapter 102：Turbine flowmeter (2 minutes and 26 seconds)

• Chapter 103：Oval gear flow meter (2 minutes and 24 seconds)

• Chapter 104：Rotameter (6 minutes and 37 seconds)

• Chapter 105：Electromagnetic Flowmeter (4 minutes and 29 seconds)

• Chapter 106：Ultrasonic flow meter (4 minutes and 29 seconds)

• Chapter 107：Coriolis mass flow meter (3 minutes and 20 seconds)

• Chapter 108：Hot wire flow meter (2 minutes and 33 seconds)

• Chapter 109：The definition, function and composition of three-dimensional coordinate measuring machine (7 minutes and 44 seconds)

• Chapter 110：The working principle of three-dimensional coordinate measuring machine (9 minutes and 18 seconds)

• Chapter 111：Structural form of three-dimensional coordinate measuring machine (6 minutes and 13 seconds)

• Chapter 112：Measuring system of three-dimensional coordinate measuring machine (13 minutes and 38 seconds)

• Chapter 113：Software system for three-dimensional coordinate measuring machine (4 minutes and 22 seconds)