CN112859087A - Positioning method for ship floating state - Google Patents

Positioning method for ship floating state Download PDF

Info

Publication number
CN112859087A
CN112859087A CN202011639551.4A CN202011639551A CN112859087A CN 112859087 A CN112859087 A CN 112859087A CN 202011639551 A CN202011639551 A CN 202011639551A CN 112859087 A CN112859087 A CN 112859087A
Authority
CN
China
Prior art keywords
equipment
installation
floating state
positioning
dimensional plane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011639551.4A
Other languages
Chinese (zh)
Inventor
王奕航
金龙天
杨永斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Waigaoqiao Shipbuilding Co Ltd
Original Assignee
Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Waigaoqiao Shipbuilding Co Ltd filed Critical Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority to CN202011639551.4A priority Critical patent/CN112859087A/en
Publication of CN112859087A publication Critical patent/CN112859087A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/87—Combinations of systems using electromagnetic waves other than radio waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention discloses a method for positioning a ship floating state, which comprises the following steps: (1) using a two-dimensional plane measurement method to measure and mark the end face of the structure or the equipment in a single item manner; (2) taking a total station as a measuring tool, and carrying out space measurement on a structure or equipment by using a three-dimensional measuring method; (3) comparing the numerical value obtained by the two-dimensional plane measurement method in the step (1) with the space coordinate obtained by the three-dimensional plane measurement method in the step (2) to determine a positioning position; (4) and reconfirming the single value of the physical dimension attribute of the mounted object. The invention can realize the positioning of the structure or equipment position in a floating state and ensure the installation efficiency and the installation success rate.

Description

Positioning method for ship floating state
Technical Field
The invention relates to the field of ship construction, in particular to a method for positioning a ship floating state.
Background
After the ship is finished, a customer may modify the structure or equipment of the original ship body and select a new structure or equipment to install so as to meet the use requirement of the ship. After the ship is finished, the ship leaves a dry dock and is parked at a wharf, the ship body is in a floating state along with the change of sea waves, and the conventional roadbed measurement can cause inaccurate data. When the structure or the equipment is modified, a lot of time is consumed for determining the installation position or the relative position, and the modification period may be increased due to the inaccuracy of the position determination in the process, so that the cost of the shipyard and the customer is lost.
Disclosure of Invention
The invention aims to solve the problems and provide a positioning method for a ship in a floating state, which can realize the positioning of a structure or equipment in the floating state and ensure the installation efficiency and the installation success rate.
The purpose of the invention is realized as follows:
the invention discloses a method for positioning a floating state of a ship, which comprises the following steps:
(1) using a two-dimensional plane measurement method to measure and mark the end face of the structure or the equipment in a single item manner;
(2) taking a total station as a measuring tool, carrying out space measurement on a structure or equipment by using a three-dimensional measuring method, generating coordinates in a computer, carrying out relative value comparison of an installation position, closing horizontal compensation of the total station in the space measurement process, carrying out space measurement by using a three-point one-plane mode after closing compensation of the total station and synchronous swing amplitude of a hull in a floating state, selecting the maximum area of the structure or equipment to be measured for covering, generating the current space coordinates of the structure or equipment, and comparing coordinate data with design data to determine the accuracy of the installation position;
(3) comparing the numerical value obtained by the two-dimensional plane measurement method in the step (1) with the space coordinate obtained by the three-dimensional measurement method in the step (2), comparing the single-project data with the space relative distance value, and finally determining the positioning position of the structure or equipment to be measured;
(4) and (4) marking the finally determined positioning position in the step (3), and after the installation is finished, re-confirming the single physical dimension attribute value of the installed object by using a two-dimensional plane measurement method to ensure accurate installation.
In the positioning method for the floating state of the ship, the two-dimensional plane measurement method takes a measuring tape and a laser range finder as tools.
In the positioning method of the ship floating state, the step (4) measures the installation contact surface of the structure or equipment to be measured in real time in the process of marking the positioning position so as to ensure the accuracy of the installation position.
The method combines a two-dimensional plane measurement method and a three-dimensional measurement method, directly measures on a ship needing to be modified for an original ship structure or equipment, keeps synchronous with the swing amplitude of the ship in the measurement process, reduces the positioning time during structure or equipment installation, ensures the positioning accuracy, and avoids the cost loss caused by the increase of the modification period of a shipyard and a client.
Detailed Description
The present invention will be further described with reference to the following examples.
The invention discloses a method for positioning a ship floating state, which comprises the following steps:
(1) the method comprises the steps of using a two-dimensional plane measurement method, carrying out single-item measurement and marking on the end face of a structure or equipment by using a tape measure and a laser range finder, and determining a single value of the physical dimension attribute of an object to be measured through the two-dimensional plane measurement, such as self horizontal value, dimension value, straightness and other body conditions.
(2) The method comprises the steps of using a three-dimensional measurement method, using a total station as a measurement tool to carry out space measurement on a structure or equipment, generating coordinates in a computer, carrying out relative value comparison of an installation position, closing horizontal compensation of the total station in the space measurement process, wherein in the ship swing state, swing (influenced by sea conditions) exists on a measurement object relative to the total station, the compensation value of the total station can make up deviation values generated by the swing, particularly during millimeter-level positioning, data distortion can be caused if the compensation is not closed, when the total station is closed and compensated, and after synchronous swing in the ship floating state, carrying out space measurement by using a three-point-in-one mode, selecting the maximum area of the structure or equipment to be measured in principle to cover, generating the current space coordinates of the structure or equipment, and comparing the coordinate data with design data to determine the accuracy of the installation position.
(3) Comparing the numerical value obtained by the two-dimensional plane measurement method in the step (1) with the space coordinate obtained by the three-dimensional measurement method in the step (2), comparing the single-project data with the space relative distance value, and finally determining the positioning position of the structure or equipment to be measured;
(4) and (4) marking the positioning position obtained in the step (3), measuring the installation contact surface of the structure or equipment to be measured in real time in the process, ensuring the accuracy of the installation position, and after the installation is finished, reconfirming the single physical dimension attribute value of the installation object by using a two-dimensional plane measurement method, so as to finally realize accurate installation.
The method combines a two-dimensional plane measurement method and a three-dimensional measurement method, directly measures on a ship needing to be modified for an original ship structure or equipment, keeps synchronous with the swing amplitude of the ship in the measurement process, reduces the positioning time during structure or equipment installation, ensures the positioning accuracy, and avoids the cost loss caused by the increase of the modification period of a shipyard and a client.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.

Claims (3)

1.一种船舶漂浮状态的定位方法，其特征在于，包括以下步骤：1. the positioning method of a ship floating state, is characterized in that, comprises the following steps: (1)使用二维平面测量方法对结构或设备的端面进行单项目测量并标记；(1) Use the two-dimensional plane measurement method to measure and mark the end face of the structure or equipment in a single item; (2)以全站仪为测量工具使用三维测量方法对结构或设备进行空间测量，在电脑中生成坐标，进行安装位置的相对值比较，在空间测量过程中关闭所述全站仪的水平补偿，当全站仪关闭补偿与船体漂浮状态下同步摆幅后，使用三点成一面模式进行空间测量，选取被测结构或设备的最大面积进行覆盖，生成结构或设备的当前空间坐标，通过坐标数据与设计数据进行比较，确定安装位置的准确性；(2) Use the total station as the measuring tool to use the three-dimensional measurement method to measure the structure or equipment in space, generate the coordinates in the computer, compare the relative values of the installation positions, and turn off the horizontal compensation of the total station during the space measurement process. , when the total station closes the compensation and synchronously swings under the floating state of the hull, use the three-point one-sided mode for spatial measurement, select the largest area of the measured structure or equipment to cover, and generate the current spatial coordinates of the structure or equipment. Compare the data with the design data to determine the accuracy of the installation location; (3)将步骤(1)二维平面测量方法获取的数值与步骤(2)三维测量方法获取的空间坐标进行数据比较，单项目数据与空间相对距离值比较，对被测结构或设备的定位位置进行最终确定；(3) Compare the data obtained by the two-dimensional plane measurement method in step (1) with the spatial coordinates obtained by the three-dimensional measurement method in step (2), and compare the single-item data with the relative spatial distance value to locate the measured structure or equipment. location is finalized; (4)将步骤(3)最终确定的定位位置进行标记，待安装完成后，再使用二维平面测量的方法，对被安装物体的自身物理尺寸属性单一值进行再确认，确保准确安装。(4) Mark the positioning position finally determined in step (3), and after the installation is completed, use the method of two-dimensional plane measurement to reconfirm the single value of the physical size attribute of the installed object to ensure accurate installation. 2.如权利要求1所述的船舶漂浮状态的定位方法，其特征在于，所述二维平面测量方法以卷尺及激光测距仪为工具。2 . The method for locating a floating state of a ship according to claim 1 , wherein the two-dimensional plane measurement method uses a tape measure and a laser range finder as tools. 3 . 3.如权利要求1所述的船舶漂浮状态的定位方法，其特征在于，步骤(4)对定位位置进行标记过程中对被测结构或设备的安装接触面进行实时测量以确保安装位置的准确。3. the positioning method of the ship's floating state as claimed in claim 1, is characterized in that, in step (4) carrying out the marking process to the positioning position, real-time measurement is carried out to the installation contact surface of the tested structure or equipment to ensure the accuracy of the installation position .
CN202011639551.4A 2020-12-31 2020-12-31 Positioning method for ship floating state Pending CN112859087A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011639551.4A CN112859087A (en) 2020-12-31 2020-12-31 Positioning method for ship floating state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011639551.4A CN112859087A (en) 2020-12-31 2020-12-31 Positioning method for ship floating state

Publications (1)

Publication Number Publication Date
CN112859087A true CN112859087A (en) 2021-05-28

Family

ID=76000616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011639551.4A Pending CN112859087A (en) 2020-12-31 2020-12-31 Positioning method for ship floating state

Country Status (1)

Country Link
CN (1) CN112859087A (en)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357680A (en) * 2008-06-27 2009-02-04 沪东中华造船(集团)有限公司 Vessel floating in dock and secondary falling positioning accurate control method
CN102490862A (en) * 2011-12-01 2012-06-13 大连中远船务工程有限公司 Process method for controlling precision of drilling ship module
CN102914262A (en) * 2012-09-29 2013-02-06 北京控制工程研究所 Non-cooperative target abutting measurement method based on additional sighting distance
CN103292748A (en) * 2013-01-05 2013-09-11 中国航空工业集团公司西安飞机设计研究所 Multi-substrate combining detection method based on laser measurement
CN103336282A (en) * 2013-06-17 2013-10-02 上海海事大学 Automatic cabin positioning device and positioning method thereof
CN103693164A (en) * 2013-12-26 2014-04-02 沪东中华造船(集团)有限公司 Method for measuring levelness of container ship floating-state hatch cover built in wharf
CN106289193A (en) * 2016-08-04 2017-01-04 中船澄西船舶（广州）有限公司 The dynamic positioning method of FPSO large area sea work module
CN106871880A (en) * 2017-01-05 2017-06-20 迈瑞菲（北京）科技发展有限公司 The method that rib position, half-breadth and height carry out ship closure is calculated using three-dimensional coordinate
CN108221975A (en) * 2017-12-07 2018-06-29 浙江交工集团股份有限公司 Marine steel pipe composite pile high-acruracy survey positioning device and application method
CN108444383A (en) * 2018-03-08 2018-08-24 大连理工大学 The box-like process integral measurement method of view-based access control model laser group
CN108981672A (en) * 2018-07-19 2018-12-11 华南师范大学 Hatch door real-time location method based on monocular robot in conjunction with distance measuring sensor
CN109470222A (en) * 2018-12-13 2019-03-15 潍坊科技学院 A Supervision and Control Method of Super High-rise Building Engineering Surveying
US20190170861A1 (en) * 2017-12-05 2019-06-06 Topcon Corporation Surveying Instrument And Method For Assembling Total Station And Two-Dimensional Laser Scanner
CN109974680A (en) * 2019-04-10 2019-07-05 山东科技大学 Large-scale in-situ measurement method for offshore engineering equipment manufacturing site
CN110596702A (en) * 2019-07-29 2019-12-20 武汉大学 Deformation Monitoring Method of River Basin Reservoir Bank Based on Ground Stabilized Platform SAR
CN111627099A (en) * 2019-02-27 2020-09-04 上海捷规建筑工程咨询有限公司 Steel structure non-contact actual measurement method and system based on three-dimensional scanning technology

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357680A (en) * 2008-06-27 2009-02-04 沪东中华造船(集团)有限公司 Vessel floating in dock and secondary falling positioning accurate control method
CN102490862A (en) * 2011-12-01 2012-06-13 大连中远船务工程有限公司 Process method for controlling precision of drilling ship module
CN102914262A (en) * 2012-09-29 2013-02-06 北京控制工程研究所 Non-cooperative target abutting measurement method based on additional sighting distance
CN103292748A (en) * 2013-01-05 2013-09-11 中国航空工业集团公司西安飞机设计研究所 Multi-substrate combining detection method based on laser measurement
CN103336282A (en) * 2013-06-17 2013-10-02 上海海事大学 Automatic cabin positioning device and positioning method thereof
CN103693164A (en) * 2013-12-26 2014-04-02 沪东中华造船(集团)有限公司 Method for measuring levelness of container ship floating-state hatch cover built in wharf
CN106289193A (en) * 2016-08-04 2017-01-04 中船澄西船舶（广州）有限公司 The dynamic positioning method of FPSO large area sea work module
CN106871880A (en) * 2017-01-05 2017-06-20 迈瑞菲（北京）科技发展有限公司 The method that rib position, half-breadth and height carry out ship closure is calculated using three-dimensional coordinate
US20190170861A1 (en) * 2017-12-05 2019-06-06 Topcon Corporation Surveying Instrument And Method For Assembling Total Station And Two-Dimensional Laser Scanner
CN108221975A (en) * 2017-12-07 2018-06-29 浙江交工集团股份有限公司 Marine steel pipe composite pile high-acruracy survey positioning device and application method
CN108444383A (en) * 2018-03-08 2018-08-24 大连理工大学 The box-like process integral measurement method of view-based access control model laser group
CN108981672A (en) * 2018-07-19 2018-12-11 华南师范大学 Hatch door real-time location method based on monocular robot in conjunction with distance measuring sensor
CN109470222A (en) * 2018-12-13 2019-03-15 潍坊科技学院 A Supervision and Control Method of Super High-rise Building Engineering Surveying
CN111627099A (en) * 2019-02-27 2020-09-04 上海捷规建筑工程咨询有限公司 Steel structure non-contact actual measurement method and system based on three-dimensional scanning technology
CN109974680A (en) * 2019-04-10 2019-07-05 山东科技大学 Large-scale in-situ measurement method for offshore engineering equipment manufacturing site
CN110596702A (en) * 2019-07-29 2019-12-20 武汉大学 Deformation Monitoring Method of River Basin Reservoir Bank Based on Ground Stabilized Platform SAR

Similar Documents

Publication Publication Date Title
CN109613520B (en) An online calibration method for ultra-short baseline installation errors based on filtering
CN101441267B (en) High-precision Calibration Method of Absolute Position of Submarine Transponder with Three Measuring Points
CN102749622B (en) Joint Inversion Method of Sound Velocity Profile and Seabed Topography Based on Multi-beam Bathymetry
KR101408349B1 (en) Ship resetting method and coordinate measuring system for resetting ship
CN113093159B (en) Multi-beam sounding error improved model design method
CN103433810B (en) Complicated curve surface normal vector on-machine detection device and method
CN100557381C (en) Unknown free-form surface measurement method and probe device based on combined point laser probe
CN107167224B (en) A kind of measurement method of Ship Radiated-Noise
CN111751856B (en) Accurate positioning method for submarine ground reference point based on PPP technology
CN107560525B (en) Ship body baseline measuring method
CN110824430A (en) Underwater positioning method based on Beidou positioning system
CN107525472A (en) A kind of laser displacement sensor site error scaling method
KR102082263B1 (en) Underwater Acoustic Positioning System and Method thereof
CN110186372A (en) Point laser feeler beam direction scaling method on three coordinate measuring machine
CN111220146A (en) Underwater terrain matching and positioning method based on Gaussian process regression learning
CN108871379B (en) An online calibration method of DVL velocity measurement error
CN107247267A (en) Angular response correcting method and its measuring system based on multi-beam backscatter intensity data
CN117146830A (en) Self-adaptive multi-beacon dead reckoning and long-baseline tightly-combined navigation method
CN112859087A (en) Positioning method for ship floating state
CN113406645B (en) Average sound velocity underwater sonar positioning method
CN117008177B (en) Three-dimensional coordinate calibration method of seabed control points based on integrated platform
CN106500961A (en) Model speed and stress synchronized measurement system for the identification of ship model hydrodynamic force coefficient
CN114608567B (en) USBL positioning method under small pitch angle condition
CN116412839A (en) Water and land integrated point cloud ranging system and calibration method
CN106908036B (en) A kind of AUV multi-beam Bathymetric Data patterning process based on local offset

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210528