Electrical Engineering (Tianjin University)

The rapid development of modern control and digital technology has made advanced electrical control and information systems an important technical support for almost all non-electrical engineering fields. Future non-electrical engineers who are eager to understand the application points and basic technologies of electrical information systems should take this course! She will lead everyone to share the joy of building an overall knowledge framework for electrical information systems, and reap the joy of the experimental process of "perceptual cognition" and "I design and implement it."

• Chapter 1：circuit model (44 minutes and 53 seconds)

• Chapter 2：Circuit models and basic circuit laws (45 minutes and 18 seconds)

• Chapter 3：Circuit status and linearity_nonlinear circuit (44 minutes and 23 seconds)

• Chapter 4：Linear circuits and nonlinear circuits 2 (46 minutes and 13 seconds)

• Chapter 5：Circuit problems under constant_varying excitation (45 minutes and 42 seconds)

• Chapter 6：Circuit Problems Under Changing Excitations (continued) (45 minutes and 20 seconds)

• Chapter 7：Mesh current method, node voltage method (39 minutes and 0 seconds)

• Chapter 8：Node Voltage Method (continued), Equivalent Method Application (45 minutes and 20 seconds)

• Chapter 9：Application of equivalent methods (continued) (45 minutes and 12 seconds)

• Chapter 10：Application of basic methods of circuit analysis (21 minutes and 22 seconds)

• Chapter 11：Phasor description of sinusoidal alternating current (25 minutes and 58 seconds)

• Chapter 12：Phasor representation of sinusoidal quantities and circuit constraints - complex impedance (46 minutes and 14 seconds)

• Chapter 13：Complex impedance of AC circuits (continued) (46 minutes and 8 seconds)

• Chapter 14：Summary of AC Circuit Power and Phasor Analysis (44 minutes and 28 seconds)

• Chapter 15：Phasor analysis method and three-phase circuit (46 minutes and 6 seconds)

• Chapter 16：Three-phase circuit and its analysis (42 minutes and 8 seconds)

• Chapter 17：Three-phase circuit and its analysis (continued) (27 minutes and 33 seconds)

• Chapter 18：Two-port network and transfer function (17 minutes and 22 seconds)

• Chapter 19：Transfer function (continued)-AC circuit frequency characteristics analysis (46 minutes and 3 seconds)

• Chapter 20：Frequency Characteristics (continued) - Resonance (44 minutes and 0 seconds)

• Chapter 21：Resonance (continued) (45 minutes and 8 seconds)

• Chapter 22：Harmonic analysis of non-sinusoidal signals (28 minutes and 44 seconds)

• Chapter 23：Transient Phenomenon and Path Changing Law (16 minutes and 2 seconds)

• Chapter 24：Switching Law (continued) and First-Order Circuit Transient Analysis (43 minutes and 4 seconds)

• Chapter 25：Transient analysis of first-order circuits (continued 1) (46 minutes and 16 seconds)

• Chapter 26：Transient analysis of first-order circuits (continued 2) (45 minutes and 6 seconds)

• Chapter 27：Transient analysis and Laplace transform of second-order circuits (46 minutes and 1 seconds)

• Chapter 28：Signal classification and signals and information (46 minutes and 34 seconds)

• Chapter 29：Analog signal analysis and system issues (45 minutes and 24 seconds)

• Chapter 30：System issues (continued) (29 minutes and 43 seconds)

• Chapter 31：Analog detection system composition-technical indicators-sensors (15 minutes and 54 seconds)

• Chapter 32：Analysis of sensor and amplifier amplification capabilities (44 minutes and 14 seconds)

• Chapter 33：amplifier frequency response (44 minutes and 58 seconds)

• Chapter 34：Multi-stage amplification and amplifier distortion (44 minutes and 41 seconds)

• Chapter 35：Amplifier Distortion (continued) (44 minutes and 53 seconds)

• Chapter 36：Typical structure of simulation system - steady state analysis - dynamic analysis (45 minutes and 9 seconds)

• Chapter 37：Dynamic analysis and stability analysis of analog control systems (46 minutes and 52 seconds)

• Chapter 38：Stability analysis of analog control systems (continued) (45 minutes and 23 seconds)

• Chapter 39：Analog control system characteristic compensation-process control system (45 minutes and 9 seconds)

• Chapter 40：Process Control Systems (continued) (45 minutes and 47 seconds)

• Chapter 41：Digital signal (45 minutes and 37 seconds)

• Chapter 42：Digital signals (continued) and ADC (45 minutes and 13 seconds)

• Chapter 43：ADC (continued)-DAC-numeric operations-logic operations (45 minutes and 47 seconds)

• Chapter 44：Logical Calculus (continued) (44 minutes and 16 seconds)

• Chapter 45：Basic types, analysis and design of combinational logic systems (45 minutes and 50 seconds)

• Chapter 46：Flip-flops - types and implementations of digital registers (45 minutes and 32 seconds)

• Chapter 47：Registers (continued) - Counters (44 minutes and 59 seconds)

• Chapter 48：Counters (continued) (46 minutes and 2 seconds)

• Chapter 49：Relay contact control technology (36 minutes and 42 seconds)

• Chapter 50：Relay contact control (continued) and PLC technology (44 minutes and 17 seconds)

• Chapter 51：Logic control PLC technology (continued 1) (46 minutes and 18 seconds)

• Chapter 52：Logic control PLC technology (continued 2) (21 minutes and 3 seconds)

• Chapter 53：Characteristics, advantages and composition of digital control systems (45 minutes and 20 seconds)

• Chapter 54：Algorithm implementation and digital filtering method of PID control strategy (46 minutes and 10 seconds)

• Chapter 55：Time domain analysis methods and transfer functions of digital control systems (45 minutes and 44 seconds)

• Chapter 56：Response characteristics and stability analysis of digital control systems (46 minutes and 0 seconds)

• Chapter 57：Stability analysis of digital control systems (continued) (28 minutes and 11 seconds)

• Chapter 58：Basic concepts of data communication systems (16 minutes and 35 seconds)

• Chapter 59：Baseband_frequency band transmission and transmission error control method (45 minutes and 14 seconds)

• Chapter 60：Data communication system components, protocols and local area networks (45 minutes and 8 seconds)

• Chapter 61：Ethernet, Token and Fieldbus (31 minutes and 25 seconds)

• Chapter 62：Electricity safety (45 minutes and 39 seconds)

• Chapter 63：Safe use of electricity (continued) (34 minutes and 24 seconds)

• Chapter 64：digital integrated circuit (14 minutes and 53 seconds)

• Chapter 65：Mainly integrated logic series and signal propagation delay (43 minutes and 22 seconds)

• Chapter 66：Integrated circuit fan-out capabilities and wire logic (51 minutes and 6 seconds)

• Chapter 67：Line Logic (continued) - Programmable Logic Devices (44 minutes and 33 seconds)

• Chapter 68：Programmable logic devices (continued) (45 minutes and 32 seconds)

• Chapter 69：Characteristics of operational amplifier chips and their linear applications (45 minutes and 53 seconds)

• Chapter 70：Main linear applications of operational amplifiers (continued 1) (49 minutes and 15 seconds)

• Chapter 71：Main linear applications of op amps (continued 2) - active filtering (44 minutes and 32 seconds)

• Chapter 72：Op amp active filter-frequency characteristics-transfer characteristics (46 minutes and 24 seconds)

• Chapter 73：Transfer characteristics and stability issues of op amp circuits (45 minutes and 26 seconds)

• Chapter 74：DC bias of op amp and nonlinear application of op amp (45 minutes and 12 seconds)

• Chapter 75：Nonlinear applications of op amps (continued 1) (45 minutes and 42 seconds)

• Chapter 76：Nonlinear applications of op amps (continued 2) (12 minutes and 1 seconds)

• Chapter 77：Transistor Types and BJT Circuit Models (33 minutes and 15 seconds)

• Chapter 78：BJT circuit model (continued) (43 minutes and 36 seconds)

• Chapter 79：Transistor amplifier circuit composition and common emitter amplifier circuit (46 minutes and 44 seconds)

• Chapter 80：Common emitter amplifier circuit (continued) - common collector circuit (43 minutes and 47 seconds)

• Chapter 81：Common collector amplification (continued)-frequency characteristics-field effect tube (45 minutes and 28 seconds)

• Chapter 82：Field effect tube amplification - multi-stage amplification - differential amplification (45 minutes and 53 seconds)

• Chapter 83：Differential amplifier circuit (continued) (45 minutes and 24 seconds)

• Chapter 84：Diode working mechanism and external characteristics (45 minutes and 24 seconds)

• Chapter 85：Diode application-voltage regulator tube (44 minutes and 1 seconds)

• Chapter 86：Thyristor-DC power supply-can_uncontrollable rectification and filtering (46 minutes and 19 seconds)

• Chapter 87：Filter-Stabilize (51 minutes and 57 seconds)

• Chapter 88：Inverter circuit-MOS logic circuit (44 minutes and 32 seconds)

• Chapter 89：MOS logic circuit (continued) (42 minutes and 18 seconds)

• Chapter 90：Fundamental Theorem of Electromagnetism and AC and DC Magnetic Circuits (42 minutes and 54 seconds)

• Chapter 91：Basic applications of electromagnetic induction and transformers (44 minutes and 53 seconds)

• Chapter 92：Transformers (continued) (44 minutes and 52 seconds)

• Chapter 93：The structure and working principle of three-phase asynchronous motor (45 minutes and 44 seconds)

• Chapter 94：Three-phase asynchronous motor working principle and usage technology (44 minutes and 50 seconds)

• Chapter 95：Three-phase asynchronous machine usage technology (continued 1) (45 minutes and 49 seconds)

• Chapter 96：Use of three-phase asynchronous machines (continued 2) and single-phase asynchronous machines (44 minutes and 22 seconds)

• Chapter 97：Single-phase asynchronous motors (continued) and low-voltage electrical appliance types (44 minutes and 13 seconds)

• Chapter 98：Types of Low Voltage Appliances (continued) (9 minutes and 25 seconds)

• Chapter 99：Video display of independent experimental teaching mode (15 minutes and 7 seconds)

• Chapter 100：Experimental process—transistor amplifier circuit experimental video (35 minutes and 45 seconds)

• Chapter 101：Experimental process—Operation amplifier experiment video (42 minutes and 16 seconds)

• Chapter 102：Experimental process—Digital integrated chip application experiment video (39 minutes and 54 seconds)

• Chapter 103：Experimental process—rectification and filtering experiment site (42 minutes and 40 seconds)