Keynote PapersA Comparison of Linear and Conventional Electromechanical Dives
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Thermal error modelling for linear motor feed drive system considering multi-field coupling of electromagnetic-thermal-flow
2023, Case Studies in Thermal EngineeringController design for high-speed, ultra-precision positioning of a linear motion stage on a vibrating machine base stage control on a vibrating base
2023, Precision EngineeringCitation Excerpt :Various control methods have been applied to feed drive systems [8]. Traditional controllers such as P-PI and PID controllers can be tuned easily and used widely in the feed drive system [9,10]. However, it is difficult for traditional controllers to suppress the machine's relative vibration, including the machine base [11].
Dynamic compliance attenuation in ball screw drives through model-based active damping of multiple vibration modes
2022, CIRP AnnalsCitation Excerpt :Increased BW [2] enhances the dynamic accuracy in responding to faster tool trajectory commands with higher frequency content, and when implemented judiciously can also reduce the dynamic compliance for a target frequency range. Yet, the vibrations of a feed drive assembly, especially for ball screw drives (BSDs), pose a major limitation on the achievable BW [2]. The proposed controller has been developed and tested on the setup in Fig. 1a, comprising a 20 mm diameter 20 mm lead ball screw drive (THK BNK 2020-3.6G0+1220 LC5-Y), driven by a 3 kW synchronous motor (Omron R88M-K3K030H) powered through a 3-phase linear amplifier (Varedan LA-1555T).
Preload monitoring of single nut ball screws based on sensor fusion
2021, CIRP Journal of Manufacturing Science and TechnologyA novel cascade control principle for feed drives of machine tools
2018, CIRP AnnalsVirtual metrology frame technique for improving dynamic performance of a small size machine tool
2017, Precision Engineering