Position control equipment
A technology of control equipment and speed control, applied in control systems, motor control, control using feedback, etc., can solve problems such as difficult to change operating speed, fixed response speed, etc.
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no. 1 example
[0027] Figure 1A and Figure 1B is a diagram of a schematic structure of a position control device according to a first embodiment of the present invention;
[0028] The position control apparatus according to the first embodiment includes a three-phase inverter 3 for supplying driving power to a motor 1 to drive a load 2, and a control unit 4 for controlling the operation of the three-phase inverter 3.
[0029] The above-mentioned three-phase inverter 3 includes a rectifier circuit 5 for rectifying the three-phase reset-set flip-flop, a filter circuit 6, and a drive circuit for generating a three-phase drive power UVW by converting a plurality of transistors 7.
[0030] The control circuit 4 includes a deviation counter 12 , a first microprocessor 13 , and a second microprocessor 14 . The control circuit 4 is connected to a user (external) input unit 11 through which the operator inputs various types of instruction values.
[0031] The encoder 19 is connected to the motor ...
no. 2 example
[0069]
[0070] Figure 3A and Figure 3B is a diagram showing a schematic structure of a position control device according to a second embodiment of the present invention;
[0071] Figure 3A and Figure 3B The position control device shown can perform a fine adjustment of the position of the load 2 in the case of speed control after stopping operation. Figure 3A and Figure 3B As shown, the gate circuit 41 is arranged between the position command pulse generating circuit 40 and the deviation counter 12 .
[0072] The position command pulse generating circuit 40 converts the target position value "pi" into a pulse signal and outputs the obtained pulse signal to the next stage.
[0073] The user input unit 45 includes a stop command key, a zero speed key, an increment input key, and a speed key, and these keys are all mounted on the basis of Fig. 1A and Figure 1B On the position control device of the first embodiment shown, and the user input unit 45 also includes a targe...
no. 3 example
[0104] Figure 5A and Figure 5B is a diagram of a schematic structure of a position control device according to a third embodiment of the present invention.
[0105] Figure 5A and Figure 5B The user input unit 45 of the position control device shown includes a stop command key, a zero speed key, an increment input key, a speed key, a target position key, and a position command stop release key, and these keys are installed in accordance with Fig. 3A and Figure 3B On the position control device of the second embodiment shown, and the user input unit 45 also includes two types of variable increment keys for changing the increment "gi" used for position control (the first and second selectable variable increment key, not shown), and a return key (not shown) that returns the current position of the workbench 2 to the starting position.
[0106] In addition to the various devices disclosed in the second embodiment shown in Figures 3A and 3B, the second microprocessor 50 in the ...
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