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Kinematic calibration of hybrid machine tool for marine propellers processing

  • Harbin Institute of Technology Weihai

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

To increase the precision and the processing efficiency of large-scale marine propeller, the method of twin-tool symmetrical processing is proposed based on hybrid mechanism. With the introduction of mechanism compositions of the machine tool, the calibration method of the structural parameters is researched. The serial and parallel mechanisms of the hybrid mechanism are calibrated separately for the coupled motion. Their structural error models are established and identification methods of structural parameters are analyzed. And nonlinear equations are solved by using the Levenberg-Marquardt optimization algorithm to obtain the structural parameters. Finally, in ADAMS, hybrid machine tool model with structural parameter errors is established. And the pose errors of the tool are acquired in kinematics simulation. After that, the structural parameters errors of the machine tool are compensated by calibrating. Then, the error models and the parameter identification methods are proved to be accurate. Meanwhile, the correctness and effectiveness of the calibration method is proved.

Original languageEnglish
Title of host publicationAdvanced Manufacturing and Information Engineering, Intelligent Instrumentation and Industry Development
PublisherTrans Tech Publications Ltd
Pages653-661
Number of pages9
ISBN (Print)9783038351948
DOIs
StatePublished - 2014
Externally publishedYes
Event2nd International Conference on Precision Mechanical Instruments and Measurement Technology, ICPMIMT 2014 - Chongqing, China
Duration: 30 May 201431 May 2014

Publication series

NameApplied Mechanics and Materials
Volume602-605
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2nd International Conference on Precision Mechanical Instruments and Measurement Technology, ICPMIMT 2014
Country/TerritoryChina
CityChongqing
Period30/05/1431/05/14

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

Keywords

  • Error model
  • Hybrid machine tool
  • Kinematic calibration
  • Marine propeller processing
  • Parameter identification

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