In the paper, the effects of mooring position, towing line length and towing speed on the course stability and towline tension are analyzed firstly for the ship towing system in calm water.

• 由于在实际海况中，除了受到风、流的影响之外，波浪作用力所造成的影响更为巨大，在波力及波力矩的作用，船只航行的航向稳定性与静水中相去剩甚远。