The most readable basic series of science and engineering: Introduction to the Basic Knowledge of Graphic Motor introduces the basic knowledge, application and development of motor in a simple way, including the use, basic knowledge and application of motor, the relationship between current and magnetic field, the structure and function of DC motor, the structure and function of AC motor, the structure and function of special motor, motor and semiconductor control, etc. This book takes the motor as the breakthrough point, combines the latest topics, introduces a large number of charts and introduces them in detail.