Tugboat group rescue effectiveness test method suitable for inland river water area

Abstract

The invention relates to a tug set rescue effectiveness test method suitable for an inland water area. The method comprises the following steps: acquiring a discrete time sequence when a commercial ship and a tug set move; the ratio Ki of the tonnage of the commercial ship to the power of all tugs is calculated, the tugs with the better rescue effect are screened according to the ratio K, and a new tug set is established; ship position information of the commercial ships and the tugs at all moments is obtained through an AIS system, and space-time trajectory three-dimensional models of the commercial ships and the tugs are established according to the ship position information and the time sequence; the Euclidean distances between the commercial ship and the ship positions of the tugs in all other new tug sets at all moments are calculated, the shortest distance between the commercial ship and each tug is calculated, and whether the obtained shortest distance is smaller than the farthest rescue distance S or not is sequentially judged; the number of times that the shortest distance is smaller than the farthest rescue distance in the discrete time sequence is calculated, the proportion that the commercial ship meets the optimal rescue condition in the discrete time sequence is obtained, and tugs with the better rescue condition are screened according to the proportion reference Q; and calculating the percentage D of the total number of tugs with better rescue conditions in the total number of all tugs in the tug group. The test method can be used as an important reference suggestion for scheduling tugs when an accident dangerous case occurs, and is also an effective feedback for the distribution effectiveness of the existing tug groups, so that the tug groups are helped to be adjusted in time or idle tugs are dispatched for standby.

Description

technical field [0001] The invention relates to the technical field of inland water rescue, in particular to a tugboat group rescue effectiveness test method suitable for inland waters. Background technique [0002] In order to reduce the difficulty of safety production management and the cost of emergency rescue for maritime law enforcement departments, and improve the safety and production efficiency of inland water transportation, the existing maritime management departments usually use social tugboats as a means of rescue to participate in daily ship accidents and dangers. Rescue. Under the existing conditions, the tugboats equipped by these tugboat companies are scattered, poorly organized, and distributed for the purpose of economic benefits. When a real danger occurs, the tugboat dispatching is highly subjective, resulting in poor timeliness for dispatching tugboats to participate in rescue. , the rescue ability does not match, the rescue effect is not good and so on...

AI Technical Summary

Problems solved by technology

At present, there is no specific and effective method to judge the effectiveness of tugboat rescue

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