| 摘要 |
PCT No. PCT/GB87/00022 Sec. 371 Date Nov. 15, 1988 Sec. 102(e) Date Nov. 15, 1988 PCT Filed Jan. 15, 1987 PCT Pub. No. WO88/05395 PCT Pub. Date Jul. 28, 1988.An automatic steering control system between a towing marine vehicle and a towed marine vehicle comprising a main rudder and an active flap rudder extension on the towed vehicle controlled for independent oscillation by an active flap actuator that imparts a turning force to the flap in one direction to cause the flap and rudder to move together in an opposite direction and control means extending between the towing and towed vehicles for automatically controlling the active flap rudder extension.
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