| 摘要 |
PURPOSE:To execute a driving by which distances of an acceleration and a deceleration are equal, to eliminate an overshoot, and to realize a high speed by setting a constant of an operating part so that a distance of about 1/2 of a target position becomes an acceleration command area, and the remaining distance becomes a deceleration area. CONSTITUTION:A target position command data is preset to a present position counter 10, and it is subtracted by a pulse of a voltage control oscillator 16. At the time of said preset, its value is inputted to an operator 11, too, multiplied by a value (0.5) in a constant setting device 12, and its result is held in the operator 11. This value and a counter value are compared by a comparator 13, and if the counter value is larger than the contents of the operator 11, a switch 17 is laid down to an accelerating signal generator 14 side, and if it is smaller, said switch is laid down to a decelerating signal generator 15 side. In this way, an acceleration or deceleration command is transmitted to a direction descriminating circuit 18 through the voltage control oscillator 16. |
