Active wave compensation control system and method based on wave trend judgment

A wave compensation and control system technology, applied in the direction of load hanging components, cranes, transportation and packaging, etc., can solve the problems of large wave impact loads, etc.

Active Publication Date: 2014-08-13
大连海事大学投资管理有限责任公司
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Problems solved by technology

[0009] In order to overcome the problem that the hoisting load is subjected to a large wave impact load when it enters the water (or when it exits the water) in the existing offshore hoisting operation, the present invention proposes an active wave compensation control system and method based on w...

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  • Active wave compensation control system and method based on wave trend judgment
  • Active wave compensation control system and method based on wave trend judgment
  • Active wave compensation control system and method based on wave trend judgment

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Embodiment Construction

[0094] The technical scheme of the present invention is further described below in conjunction with accompanying drawing and specific embodiment:

[0095] as attached figure 1 As shown, the active heave compensation control system based on wave trend judgment is characterized in that: the active heave compensation control system includes a sensor network, a heave compensation controller and a hydraulic drive system.

[0096] as attached figure 1 , image 3 As shown, the sensor network includes MRU2, acoustic wave meter 5, rotary encoder 3, tension sensor 4 and hydraulic drive system status monitoring sensors. MRU2 is installed on the hull close to the lifting device to measure the heave motion parameters of the ship; the acoustic wave meter 5 is installed on the bracket protruding from the hull to measure the distance from the acoustic wave meter probe to the sea surface; the rotary encoder 3 is installed at the output end of the hydraulic motor, Measure the rotational spee...

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Abstract

The invention discloses an active wave compensation control system and method based on wave trend judgment. The system comprises a sensor network, a hydraulic drive system and a wave compensation controller, wherein the wave compensation controller comprises a PLC; an MRU of the sensor network is utilized by the system to measure ship moving parameters; the MRU and the acoustic wave meter are coupled to obtain the wave motion parameters; a rotary encoder is utilized to measure the motor rotation speed and obtain load motion parameters; the PLC analyzes the motion parameters so as to obtain motion situations of ships, load and waves relatively to the static seal level, namely, a reference system by taking the static sea level as motion parameters is used for solving the issue of mutual coupling of the ships, load and waves; water entry (or water exit) opportunity is selected for analyzing the wave parameters and judging the wave trend by the PLC, and the water entry (or water exit) process is controlled by controlling the motion of the hydraulic driving system, so that the safety and the stability of the offshore hoisting operation are improved.

Description

technical field [0001] The invention relates to a wave compensation control system and method, in particular to an active wave compensation control system and method applied in the fields of deep-water operation cranes, deep-water winches, lifeboat (rescue boat or working boat) retracting devices and the like. Background technique [0002] With the development of my country's ocean engineering industry, offshore platforms or ships are more and more frequently engaged in offshore lifting operations, and their operating range is from offshore to deep sea, even ultra-deep sea, and the difficulty of operation is also increasing. The areas related to offshore lifting operations mainly include the following aspects: [0003] 1) Ocean engineering deepwater operation cranes and hoisting winches, which are mainly used for lifting deepwater equipment, such as drilling and production equipment, underwater pipelines, underwater anchoring equipment, etc.; [0004] 2) Lifeboat (rescue bo...

Claims

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Application Information

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IPC IPC(8): B66C13/48B66C23/53
Inventor 王生海陈海泉孙玉清杜佳璐张兴明马来好
Owner 大连海事大学投资管理有限责任公司
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