Underwater towing cable steady-state motion multi-objective optimization method and system

A multi-objective optimization and streamer technology, applied in the field of underwater streamers, can solve the problem of difficulty in accurately determining the influence of steady-state motion of streamers, and achieve the effect of convenient qualitative analysis and high efficiency of the optimization process.

Pending Publication Date: 2020-02-25
NAVAL UNIV OF ENG PLA
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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a multi-objective optimization method and system for underwater streamer steady-state motion to solve the problem that it is difficult to accurately determine the degree of influence of parameters on the steady-state motion of the streamer

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  • Underwater towing cable steady-state motion multi-objective optimization method and system
  • Underwater towing cable steady-state motion multi-objective optimization method and system
  • Underwater towing cable steady-state motion multi-objective optimization method and system

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[0020] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] The term "comprising" and other expressions with similar meanings in the description or claims of the present invention and the above drawings mean that the coverage is not exclusive, such as the process, method or system, equipment comprising a series of steps or units are not limited to Steps or units listed. In addition, "first...

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Abstract

The invention provides an underwater towing cable steady-state motion multi-objective optimization method and system, and the method comprises the steps: building a mathematic model of underwater towing cable motion, and calculating a towing cable steady-state motion control equation; selecting parameters for determining the state of the towing cable, selecting a sample point within the value range of the parameters, calculating the towing depth of the tail end and the tension of the head end of the towing cable to obtain the response of the sample point, and establishing a second-order polynomial response surface model of the towing depth of the tail end and the tension of the head end; and taking the maximum tail end dragging depth and the minimum head end tension as optimization objectives, and obtaining a Pareto optimal solution set of parameters by adopting a multi-objective genetic algorithm. Through the scheme, the problem that the influence degree of the parameters on the steady-state motion of the towing cable is difficult to accurately determine is solved, and the influence of each parameter on the towing cable state can be accurately analyzed.

Description

technical field [0001] The invention relates to the field of underwater streamers, in particular to a multi-objective optimization method and system for underwater streamer steady-state motion. Background technique [0002] As an underwater detection device, the underwater towed system is widely used in many fields such as ocean monitoring, resource exploration and military affairs. The line array is a key component of the underwater towed system, and its hydrodynamic characteristics directly affect the rapidity, maneuverability and stability of the entire underwater vehicle system. is of great significance. [0003] In recent years, optimization methods based on response surfaces have been widely used in robust design and proxy models for multi-objective and multi-disciplinary optimization design. This approximate model technology is a method of constructing an approximate objective function and constraints based on the initial data set. It also provides an efficient solu...

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Application Information

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IPC IPC(8): G06F30/17G06F30/20G06F17/11G06N3/12G06F111/06
CPCG06F17/11G06N3/126
Inventor 文无敌周琳娜王冲霄宋伟
Owner NAVAL UNIV OF ENG PLA
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