Invariant Measures of Closeness to Linear Dependency of Screw Systems

Author:

Kerr D R1,Hartley D M2

Affiliation:

1. School of Aeronautical, Civil, and Mechanical Engineering, University of Salford, Salford, UK

2. , Monk Bretton, Barnsley, UK

Abstract

This paper describes a new, general analytical method of determining the closeness to linear dependence of any system of lines and screws, giving n invariant scalars for an n-system of screws. The method proposed evaluates the maximum available scalar or Klein product between the unit screw under test and any unit combination of screws reciprocal to all of the set except the test screw. Examples are given of the application of this theory to the behaviour of a partially complete system of kinematic restraint such as those used in manufacturing fixtures of a simple structure and of a serial robotic manipulator.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Cited by 9 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Closeness to singularity based on kinematics and dynamics and singularity avoidance of a planar parallel robot with kinematic redundancy;Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science;2021-11-25

2. Characterization Results Based on Generalized Dynamic Information Measure;International Journal of Reliability, Quality and Safety Engineering;2020-09-19

3. Using pre-processing and indenting of contact interface to improve fixture clamping efficiency;The International Journal of Advanced Manufacturing Technology;2019-05-25

4. Measuring the closeness to singularities of a planar parallel manipulator using geometric algebra;Applied Mathematical Modelling;2018-05

5. Closeness to singularities of manipulators based on geometric average normalized volume spanned by weighted screws;Robotica;2016-06-09

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