| 摘要 |
<p>PURPOSE:To facilitate execution of automatic parallel sailing without any special exchange of information with a target ship by a method wherein the velocity of the own ship is made to be in accord with a moving speed of a target to be tracked and the course of the own ship to be in accord with a direction of movement of the target by controlling a steering machine and a propelling engine. CONSTITUTION:Based on various data from a gyrocompass 2, a log 3 and a navigation device 8, an automatic steering control element 1 determines the state of motion (a ship velocity, a bow bearing and a course) of the own ship and also writes the wake of the own ship in a memory for display provided in a display control element 7. The control element 1 reads out the course and velocity of each of other ships, the distance and direction thereof from the own ship and the absolute position thereof, likewise, from APRA 4 and writes the wake of each of them in the memory for display. Besides, the control element 1 reads the content of a key operation of an operating element 11 and controls a steering control element 9 to conduct automatic steering, while controlling a propelling force control element 10 to conduct an automatic propelling force control. When a target ship is set as a target to be tracked, parallel sailing can be executed, in this way, with the distance from the own ship kept fixed.</p> |
