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Along with our country economic strength unceasing enhancement, our army also ushered in the weaponry modernization high speed development time, a batch of new type weaponry one after another equips our army armored mechanization troop, the weaponry unceasing development, the high-tech introduction has brought the tremendous enhancement to the troop combat strength, but the subsequent equipment failure Maintenance support is much more difficult than before. The horizontal gun control system of the new tank adopts PWM (pulse width speed control system), which has more advantages than the polarization relay control technology used in the past. PWM is integrated into the output board of the control box, the circuit board is small, and it is difficult to understand the control flow visually. Therefore, a teaching board of pulse width speed control system principle is researched and made. Most of the components in the teaching board are in-vehicle physical objects. The circuit connection is completely in accordance with the design of the real vehicle, and a variety of display modules and analog fault points are added, which can make the learners more intuitive understanding of the pulse width speed control system principle and fault points. Master the methods to solve the common faults of the control box, at the same time, in the process of making the teaching board, we also have a deeper understanding of the principle of horizontal control of the gun control system, improve the learners and maintenance personnel ability to remove the complex faults of the horizontal control system of the gun control system, and enhance the practical operation ability.

Design of Teaching Board for Principle of Pulse Width Speed Control System