Generally speaking, it has a high efficiency of vehicle unbinding. Since the speed reducer is a mechanical device, long-term continuous operation will inevitably lead to wear and tear, and the performance index will decline, which will easily lead to sluggish action and prolonged action time, directly affecting the precision of vehicle speed control. Therefore, it is very important to discover the faults of the retarder in time, carry out maintenance, and dynamically monitor the action time of the retarder in real time.

Monitoring the retarder action time of the sex in the traditional speed control system algorithm, the retarder control mechanism of the delay time is fixed, that is, its braking time and release time is unchanged.

However, through the long-term application of the retarder, it is found that the action time of each retarder is different, which shows the discrete nature; the action time of all the retarders changes with the continuous use of the equipment, which is dynamic. The traditional speed control system has the disadvantage of lagging behind the dynamic speed reducer.

When the performance of the speed reducer decreases, the action time becomes longer, the control accuracy decreases, affecting the normal driving of the vehicle. After the fault occurs, professionals have to modify the computer software to improve the control accuracy of the control system. This method often needs to be repeated many times, affecting the normal use of equipment and reducing the operational efficiency of the hump field. If the development of monitoring equipment, real-time dynamic monitoring of the entire speed reducer action time, speed control system can automatically modify the control parameters through self-learning and self-adaptation to improve the control accuracy, so that the control of intelligent, will greatly improve the performance of the speed control system.

After the speed control system sends out the braking instruction to the speed reducer, the braking relay will be absorbed in the t-stop.

1、Braking is the moment when the relay is absorbed at t.

2, the braking time system of the speed reducer. After the control system sends a release command to the speed reducer, the brake relay falls at the moment of t.

3. Relaxation means that the moment the relay is absorbed is t.

4. Then the pressure relief time of the reducer is T-slow, and T-slow is the action time of the reducer. Through real-time dynamic monitoring, the working condition of the reducer can be grasped in time. At the same time, it is found that the braking position and location of the reducer itself are predictive of the failure of the contacts, so as to carry out scientific and comprehensive repairs to the site in time.

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