Pislaru, Crinela, Ford, Derek G. and Holroyd, Geoffrey (2004) Hybrid modelling and simulation of a computer numerical control machine tool feed drive. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 218 (2). pp. 111-120. ISSN 0959-6518
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The paper presents a new approach to the modelling and simulation of a computer numerical control (CNC) machine tool feed drive. The hybrid model of the drive incorporates a distributed load, explicit damping factors and measured non-linear effects in order to achieve a realistic dynamic performance. In this way, the shortcomings of traditional modelling methods applied to CNC machine tool axis drives are overcome. A MATLAB/SIMULINK package was used to simulate this new model for a CNC machine tool feed drive. A novel hybrid model with a distributed load, explicit damping factors, backlash and friction was developed and shown to have a similar dynamic response to the machine tool feed drive system under the same conditions. The simulated results display resonance frequencies, while the lumped-parameter models generate only the response of a second-order element
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