A general co-ordinate transformation framework for multi-axis motion control with applications in the testing industry

Andrew R Plummer

Research output: Contribution to journal › Article

  • 29 Citations

Abstract

Transforming feedback variables into a different co-ordinate system is a practical and effective way of simplifying controller design for multi-axis motion systems. A general transformation framework is presented in this paper for parallel-actuator systems, including those with overconstraint (i.e. with more actuators than rigid body degrees-of-freedom). Force control for the extra axes is considered, and appropriate transformations from measured actuator positions and forces to position and force variables used for control are given, although solutions are not unique. A number of heuristic techniques which are already used in the structural testing industry can be formalised as part of the new framework; examples are given in the paper. The framework also allows these techniques to be extended to new applications, particularly those with overconstraint.
LanguageEnglish
Pages598-607
Number of pages10
JournalControl Engineering Practice
Volume18
Issue number6
Early online date23 Mar 2010
DOIs
StatusPublished - Jun 2010

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Motion Control
Coordinate Transformation
Motion control
Actuator
Actuators
Industry
Testing
Force Control
Force control
Degrees of freedom (mechanics)
Rigid Body
Controller Design
Degree of freedom
Heuristics
Feedback
Controllers
Motion
Framework

Cite this

A general co-ordinate transformation framework for multi-axis motion control with applications in the testing industry. / Plummer, Andrew R.

In: Control Engineering Practice, Vol. 18, No. 6, 06.2010, p. 598-607.

Research output: Contribution to journal › Article

Plummer, AR 2010, 'A general co-ordinate transformation framework for multi-axis motion control with applications in the testing industry' Control Engineering Practice, vol. 18, no. 6, pp. 598-607. DOI: 10.1016/j.conengprac.2010.02.015
Plummer AR. A general co-ordinate transformation framework for multi-axis motion control with applications in the testing industry. Control Engineering Practice. 2010 Jun;18(6):598-607. Available from, DOI: 10.1016/j.conengprac.2010.02.015
Plummer, Andrew R. / A general co-ordinate transformation framework for multi-axis motion control with applications in the testing industry. In: Control Engineering Practice. 2010 ; Vol. 18, No. 6. pp. 598-607
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