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DC Field | Value | Language |
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dc.contributor.author | Huo, D | - |
dc.contributor.author | Niu, Z | - |
dc.contributor.author | Chen, W | - |
dc.contributor.author | Cheng, K | - |
dc.date.accessioned | 2022-08-15T07:45:47Z | - |
dc.date.available | 2022-08-15T07:45:47Z | - |
dc.date.issued | 2022-03-26 | - |
dc.identifier | 109063 | - |
dc.identifier.citation | Gong, Z., Huo, D., Niu, Z., Chen, W. and .CHeng, K. (2022) 'A novel long-stroke fast tool servo system with counterbalance and its application to the ultra-precision machining of microstructured surfaces', Mechanical Systems and Signal Processing, 173, 109063, pp. 1 - 20. doi: 10.1016/j.ymssp.2022.109063. | en_US |
dc.identifier.issn | 0888-3270 | - |
dc.identifier.uri | https://bura.brunel.ac.uk/handle/2438/25080 | - |
dc.description.abstract | Copyright © 2022 The Authors. This paper presents a novel long-stroke fast tool servo (FTS) system with counterbalance and its application to the diamond machining of microstructured surfaces. The FTS system is driven by a voice coil motor and guided by air bearings. A hybrid control algorithm which combines PID control, sliding mode control and feed-forward control was specifically designed for the system and ensures that it has less than 1% tracking error and achieves ± 1 mm stroke and 105 Hz bandwidth. The counterbalance is achieved by the symmetric arrangement of two of the same FTS systems. System vibration decreased significantly from ± 3 μm to ± 0.145 μm when the counterbalance was working. Machining experiments were conducted using the FTS system on a diamond turning machine. A microstructured surface simulation model was built and information about the workpiece surface tested and collected. When the counterbalance was working, error in the machine axes decreased from micron-level to nano-level and the surface roughness of the microstructured surface was also reduced. The system achieves ± 1 mm (±0.5 mm) stroke at 30 Hz (40 Hz) with 0.35% (0.68%) tracking error during machining processes, and the depth error of the machined microstructured surface was measured at 1.4% (2.3%). | en_US |
dc.format.extent | 1 - 20 | - |
dc.language | English | - |
dc.language.iso | en_US | en_US |
dc.publisher | Elsevier Ltd. | en_US |
dc.rights | Copyright © 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by/4.0/). | - |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | - |
dc.subject | fast tool servo | en_US |
dc.subject | hybrid control algorithm | en_US |
dc.subject | counterbalance | en_US |
dc.subject | system vibration | en_US |
dc.subject | microstructured surface | en_US |
dc.title | A novel long-stroke fast tool servo system with counterbalance and its application to the ultra-precision machining of microstructured surfaces | en_US |
dc.type | Article | en_US |
dc.identifier.doi | https://doi.org/10.1016/j.ymssp.2022.109063 | - |
dc.relation.isPartOf | Mechanical Systems and Signal Processing | - |
pubs.publication-status | Published | - |
pubs.volume | 173 | - |
dc.identifier.eissn | 1096-1216 | - |
dc.rights.holder | The Authors | - |
Appears in Collections: | Dept of Mechanical and Aerospace Engineering Research Papers |
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