reaching the deceleration bit reduced low-speed, to reach the targeted locations parking. Hoist in the process of lifting and lowering operation, using the method of multiple speed change, the main purpose is to reduce the equipment impact and improve the running rhythm. Speed ??control in the promotion process determined by Lifting position detection encoder position signals to enhance the speed with Lifting side to determine the conditions of the well side, coke quenching chamber, and to enhance and up and down to determine conditions different speed selection method. Shown in Figure (1) In order to enhance the process of machine to run automatically, upgrading and running speed distribution. Notebook battery in the process of upgrading and decline, hoist lifting speed changes automatically according to elevate the position encoder detection. Control difficulty is that in the the installed furnace process and the return process, to enhance machine upgrade and walk the line speed allocation problem.we decreased the hoist to the enhance well lowermost hook open position, the hoist stops running under conditions, to enhance the position detecting encoder Operation of the data set to the initial value. (1) Since the system is put into use, the normal run. In the usual maintenance process, we found that due to enhance the mechanical stretching and the change of the gap of the steel rope, and to enhance the detection data of the machine lifting position detecting encoder than the debugging process is slightly changed in the normal maintenance process requires attention. To avoid affecting the running of the system status change caused due to a detection signal of the encoder. In addition, laptop batteries in order to avoid the problem of accumulation of errors of the encoder in the process of the previous test. Apple a1281 battery Apple a1322 battery Asus a3 battery Asus a32-f3 battery
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