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Intelligent push force distributing method of power positioning push force system

A thrust distribution and dynamic positioning technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as high customization cost, unsatisfactory effect, and difficult system maintenance

Active Publication Date: 2014-03-26
海之韵(苏州)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this mode are: long customization period and high customization cost, it can only be applied to specific dynamic positioning objects, it is difficult to maintain the system in the later stage of equipment maintenance, and it is difficult for users to allocate thrust according to their own needs, etc.
[0005] Second, it is reflected in the process of establishing the optimization model of thrust distribution. Due to the constraints and sensitivity limitations of propellers, the traditional optimization modeling method makes the optimal distribution area of ​​thrust become a non-convex set (T.A.Johansen, T.I.Fossen, S.P.Berge , Constrained nonlinear control allocation with singularity avoidance using sequential quadratic programming, IEEE Transaction on Control Systems Technology, 2004, 12(1): 211-216.), the effect of using various optimization algorithms is not ideal, and it is difficult to find the global optimal solution

Method used

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  • Intelligent push force distributing method of power positioning push force system
  • Intelligent push force distributing method of power positioning push force system
  • Intelligent push force distributing method of power positioning push force system

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Experimental program
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Embodiment

[0095] Such as figure 1 with figure 2 As shown, a dynamic positioning thrust system intelligent thrust distribution method is characterized in that it comprises the following steps:

[0096] (1) Thrust system configuration parameter input;

[0097] (2) Data preparation and storage;

[0098] (3) System alignment and optimization modeling;

[0099] (4) Solving optimization problems;

[0100] (5) Thrust allocation decision output.

[0101] The configuration parameter input of the thrust system is specifically:

[0102] 11) Input the number p of thrust equipment in the thrust system;

[0103] 12) Perform parameter setting on the p thrust devices through the window mode, and the parameter setting specifically includes:

[0104] ①Whether the direction can be changed;

[0105] ②The equipment installation position, that is, the coordinate value in the hull coordinate system, is stored as variable l k，x , l k，y ;

[0106] ③The upper limit value of the generated thrust is st...

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Abstract

The invention relates to an intelligent push force distributing method of a power positioning push force system. The intelligent push force distributing method includes the following steps of (1) parameter input of the push force system, (2) data preparation and storage, (3) system aligning and optimization modeling, (4) solving of an optimization problem, and (5) output of a push force distributing policy. Compared with the prior art, the intelligent push force distributing method has the advantages of being good in real-time performance, good in man-machine interaction, little in staff workload, high in automation degree, good in policy making effect, capable of achieving good push force distributing and the like.

Description

technical field [0001] The invention relates to a thrust distribution method of a thrust system, in particular to an intelligent thrust distribution method of a dynamic positioning thrust system. Background technique [0002] In the dynamic positioning system, thrust distribution refers to the calculation of the direction of each thruster installed on the platform within the allowed time for multiple thrusters in the positioning system while considering many physical constraints. How much thrust to generate, and find out the best possible allocation of multiple thrust and direction combinations, and generate corresponding execution instructions. [0003] At present, the limitations of thrust optimization distribution method research and system design in domestic dynamic positioning are mainly reflected in the following two aspects: [0004] First, it is reflected in design and development and maintenance costs. At present, the development mode of thrust distribution in for...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06Q10/06
Inventor 张卫东赵亚东
Owner 海之韵(苏州)科技有限公司
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