| 摘要 |
<p>PURPOSE:To improve the operational efficiency, by providing a second control point in front of a first control point and varying a current indication and a control signal simultaneously at the second control point when a signal current indication varies between two control points. CONSTITUTION:If a ground signal unit 4 has an R current indication when a vehicle 2 passes through a control point P1 for producing a stop pattern, a signal is received by a vehicle mounted unit 6 through coupling between a ground slave unit 5 and a vehicle mounted slave unit 61, whereby a stop pattern is produced in a vehicle mounted controller 63 in order to stop the vehicle 2. If a current indication up signal is inputted at point Pr after the vehicle 2 passed through the control point P1, current indication up is delayed until the vehicle 2 passes through a control point P3. Passage of the vehicle 2 through the control point P3 is detected through a vehicle detector 8 to bring the ground signal unit 4 into Y current indication thus providing a Y current indication signal to the vehicle mounted slave unit 61 from the ground slave unit 7. Consequently, stop pattern is released and the vehicle is controlled to a speed corresponding to Y current indication.</p> |
