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Forum: Seamanship & Boat Handling

22-08-2017, 00:20

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

If we have a collision avoidance algorithm that can propose possible changes in course and speed to vessels, we could apply that to all the vessels and show all the possible routes that the vessels...

Forum: Seamanship & Boat Handling

22-08-2017, 00:08

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

... and you have lots of good and bad advice that you should probably ponder less than use your common sense at sea :smile:. Have a safe trip.

Forum: Seamanship & Boat Handling

20-08-2017, 15:12

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

I once got a salute from a captain of a large ship when I made that kind of a loop to a small bay after noticing the incoming ship at a really narrow strait. In that situation I had a plan B ready in...

Forum: Seamanship & Boat Handling

20-08-2017, 15:02

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

Perfect :thumb:

Forum: Seamanship & Boat Handling

20-08-2017, 14:50

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

I was thinking of a scenario where the 0.00 CPA point is one mile ahead. If I drop my speed to half, the other boat will be half a mile in front of me at the calculated collision time (new CPA is...

Forum: Seamanship & Boat Handling

20-08-2017, 10:50

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

Slowing down (when facing a problem with multiple targets) may sometimes not be the best solution. It may however often be a good solution, especially if one is uncertain of what one should do.
...

Forum: Seamanship & Boat Handling

20-08-2017, 06:45

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

Here's one possible general rule of thumb for dealing with multiple targets.

The problem occurs when we are the give-way vessel, planning to make a change in our course (usually course, not...

Forum: Seamanship & Boat Handling

19-08-2017, 01:32

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

That's an interesting paper.

I pick one sentence from the conclusions section of the thesis. "For autonomous marine vehicles it seems that the common knowledge of vessel masters remains true: take...

Forum: Seamanship & Boat Handling

19-08-2017, 00:49

Replies: 169

Collision Avoidance -- Dealing with Multiple Targets

Views: 17,475

Posted By Juho

Re: Collision Avoidance -- Dealing with Multiple Targets

Slowing down was already mentioned. I also often speed up to get out of the way.

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