Modelling and system identification of a stiff stay wire fence machine

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dc.contributor.authorHann, C.E.
dc.contributor.authorAitchison, D.
dc.contributor.authorKirk, D.
dc.contributor.authorBrouwers, E.
dc.date.accessioned2010-12-12T22:13:24Z
dc.date.available2010-12-12T22:13:24Z
dc.date.issued2010en
dc.description.abstractThis paper investigates a severe gear backlash problem encountered in a stiff stay machine that is capable of producing a 26 line fence up to 2.6 metres in height at a speed of 80 stays/minute. Related problems in the literature, typically concentrate on the effect of gear backlash on the ability to control a shaft. However, in this case, very good control of the reference speed of the shaft was maintained in spite of the gear backlash. The problem was that the commanded torques were excessively large and threatened to damage the gear box. This problem motivated a complete analysis of the systems dynamics including the development of a model to better understand the response and allow the identification of external loads on the system. It was found that the method of sensing the shaft position (resolvers) was a major factor as well as the upgrading of the motor which was over responding to disturbances in the shaft. The model was validated using several torque limiting experiments and gave accurate prediction of the machine’s major dynamics. The simulation tool developed provides the basis to predict the effect of different loads, wire types and/or motors on the machine for future designs minimizing the amount of experimentation on the machine.en
dc.identifier.citationHann, C.E., Aitchison, D., Kirk, D., Brouwers, E. (2010) Modelling and system identification of a stiff stay wire fence machine. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 224(7), pp. 1069-1083.en
dc.identifier.doihttps://doi.org/10.1243/09544054JEM1761
dc.identifier.issn0954-4054
dc.identifier.urihttp://hdl.handle.net/10092/5002
dc.language.isoen
dc.publisherUniversity of Canterbury. Electrical and Computer Engineeringen
dc.rights.urihttps://hdl.handle.net/10092/17651en
dc.subjectstiff stay machineen
dc.subjectgear backlashen
dc.subjectsystem identificationen
dc.subjectcontrol systemen
dc.subject.anzsrcField of Research::09 - Engineering::0913 - Mechanical Engineeringen
dc.subject.anzsrcFields of Research::40 - Engineering::4014 - Manufacturing engineering::401408 - Manufacturing processes and technologies (excl. textiles)en
dc.titleModelling and system identification of a stiff stay wire fence machineen
dc.typeJournal Article
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