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Chifai Cheung

Hong Kong Polytechnic University

SCHOLARLY PAPERS

7

DOWNLOADS

495

TOTAL CITATIONS

2

Scholarly Papers (7)

1.

Material Removal Rate Optimization with Bayesian Optimized Differential Evolution Based on Deep Learning in Robotic Polishing

Number of pages: 15 Posted: 10 Jan 2024
Hong Kong Polytechnic University, Hong Kong Polytechnic University, Huazhong University of Science and Technology, Hong Kong Polytechnic University and Hong Kong Polytechnic University
Downloads 138 (534,155)
Citation 2

Abstract:

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Robotic polishing, ultra-precision machining, Differential evolution, Bayesian Optimization, Material removal rate

2.

Development of a Compliant Rolling-Contact Element Based Foldable Xy Stage for Micro-Positioning System

Number of pages: 16 Posted: 10 Apr 2022
affiliation not provided to SSRN, Hong Kong Polytechnic University, Hong Kong Polytechnic University, Southern University of Science and Technology, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 103 (674,591)

Abstract:

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Foldable positioning stage, Compliant mechanism, Compliant rolling-contact element, Decoupling

3.

Unsupervised Defect Segmentation with Self-Attention in Additive Manufacturing

Number of pages: 16 Posted: 21 Oct 2022
Ruoxin Wang, Chifai Cheung and Chunjin Wang
Hong Kong Polytechnic University, Hong Kong Polytechnic University and Hong Kong Polytechnic University
Downloads 88 (753,595)

Abstract:

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Additive manufacturing, Segmentation, Unsupervised learning, Self-attention, Precision surface measurement

4.

Theoretical and Experimental Investigation of Ultrasonic Cutting Dynamics and its Effect on Chip Formation and Surface Generation in High Frequency Ultrasonic Vibration-Assisted Diamond Cutting

Number of pages: 24 Posted: 15 Mar 2024
Hong Kong Polytechnic University, Hong Kong Polytechnic University, Hong Kong Polytechnic University, Hong Kong Polytechnic University and affiliation not provided to SSRN
Downloads 70 (875,328)

Abstract:

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Ultra-precision machining, ultrasonic vibration-assisted cutting, cutting dynamics, FEM modelling, chip/surface formation, micro-structured surfaces

5.

A New Multi-Field Assisted Polishing Method for Quartz Glass Slender Holes

Number of pages: 19 Posted: 31 Oct 2023
Dalian University of Technology, Dalian University of Technology, Dalian University of Technology, affiliation not provided to SSRN, Hong Kong Polytechnic University and Hong Kong Polytechnic University
Downloads 45 (1,121,190)

Abstract:

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polishing, inner surface, slender hole, multi-field

6.

Defects Segmentation of Nanostructured Myopia Control Spectacle Lenses Based on Transformer and Transfer Learning

Number of pages: 17 Posted: 26 Sep 2024
Ruoxin Wang, Chifai Cheung and Bo Wang
Hong Kong Polytechnic University, Hong Kong Polytechnic University and Hong Kong Polytechnic University
Downloads 37 (1,236,159)

Abstract:

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Myopia control spectacle lenses, Defect detection, Segmentation, Transformer, Deep learning

7.

Defect Segmentation of Nanostructured Myopia Control Spectacle Lenses Based on Transformer and Transfer Learning

Number of pages: 16 Posted: 17 Oct 2024
Ruoxin Wang, Chifai Cheung and Bo Wang
Hong Kong Polytechnic University, Hong Kong Polytechnic University and Hong Kong Polytechnic University
Downloads 14 (1,509,872)

Abstract:

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myopia control spectacle lenses, defect detection, segmentation, Transformer, Deep Learning