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GA based adaptive singularity-robust path planning of space robot for on-orbit detection (2018)
Journal Article
Wu, J., Bin, D., Feng, X., Wen, Z., & Zhang, Y. (2018). GA based adaptive singularity-robust path planning of space robot for on-orbit detection. Complexity, 2018, https://doi.org/10.1155/2018/3702916

As a new on-orbit detection platform, the space robot could ensure stable and reliable operation of spacecraft in complex space environments. The tracking accuracy of the space manipulator end-effector is crucial to the detection precision. In this p... Read More about GA based adaptive singularity-robust path planning of space robot for on-orbit detection.

Fast and cost-effective in-process defect inspection for printed electronics based on coherent optical processing (2018)
Journal Article
Feng, X., Su, R., Happonen, T., Liu, J., & Leach, R. (2018). Fast and cost-effective in-process defect inspection for printed electronics based on coherent optical processing. Optics Express, 26(11), https://doi.org/10.1364/OE.26.013927

This paper presents an all-optical difference engine (AODE) sensor for detecting the defects in printed electronics produced with roll-to-roll processes. The sensor is based on the principle of coherent optical subtraction and is able to achieve high... Read More about Fast and cost-effective in-process defect inspection for printed electronics based on coherent optical processing.

A self-calibration rotational stitching method for precision measurement of revolving surfaces (2018)
Journal Article
Liu, M., Cheung, C., Feng, X., Wang, C., & Leach, R. (in press). A self-calibration rotational stitching method for precision measurement of revolving surfaces. Precision Engineering, https://doi.org/10.1016/j.precisioneng.2018.05.002

When measuring revolving objects, it is often desired to obtain not only the geometrical form of the workpiece, but also the topography of the surface, as they both affect the performance of the part. However, holistic measurement of the entire three... Read More about A self-calibration rotational stitching method for precision measurement of revolving surfaces.

Hierarchical-information-based characterization of multiscale structured surfaces (2018)
Journal Article
Cheung, C. F., Liu, M., Leach, R., Feng, X., & Zhao, C. (2018). Hierarchical-information-based characterization of multiscale structured surfaces. CIRP Annals - Manufacturing Technology, 67(1), 539-542. https://doi.org/10.1016/j.cirp.2018.04.002

© 2018 This paper presents a hierarchical-information-based characterization method for multiscale structured surfaces. The method makes use of a priori information of the multiscale surface and a hierarchical segmentation–registration (HSR) algorith... Read More about Hierarchical-information-based characterization of multiscale structured surfaces.

Noise evaluation of a point autofocus surface topography measuring instrument (2018)
Journal Article
Maculotti, G., Feng, X., Galetto, M., & Leach, R. K. (2018). Noise evaluation of a point autofocus surface topography measuring instrument. Measurement Science and Technology, 29(6), https://doi.org/10.1088/1361-6501/aab528

In this work, the measurement noise of a point autofocus surface topography measuring instrument is evaluated, as the first step towards establishing a route to traceability for this type of instrument. The evaluation is based on the determination of... Read More about Noise evaluation of a point autofocus surface topography measuring instrument.