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1. CK. Lan, C. Y. Wu, CW. Chang, HW. Lee, and CH. Liu (2018,Nov) A Novel Joint Angle Measurement and Calibration System for Selective Compliance Assembly Robot Arm, Sensors and Materials, 30, 2615-2626
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2. CW. Chang, HW Lee, CH. Liu (2018, Jun) A Review of Artificial Intelligence Algorithms Used for Smart Machine Tools, Inventions, 2018, 3 (3), 41
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3. HW Lee, CH Liu (2016, Jul). High Precision Optical Sensors for Real-Time Online Measurement of Straightness and Angular Errors for Smart Manufacturing. Smart Science, 4 (3), 134-141. (SCOPUS,ESCI)
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4. HW Lee, TP Chiu, CH Liu (2016, May). A 3D Optical Sensor Using Optical Axis Deviation Method for Rotational Errors. Sensors and Materials, 28 (9) 1053-1066. (SCIE)
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5. HW Lee, K.Y Huang, HT. Peng, CH. Liu (2016, Apr). A real time error measuring device for meso-scale machine tools. Sensors and Actuators A: Physical, 244(15),213–222. (SCI)
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6. SL Tsai, YK Liu, H Pan, CH Liu and MT Lee (2016, Jan). The Coupled Photothermal Reaction and Transport in a Laser Additive Metal Nanolayer Simultaneous Synthesis and Pattering for Flexible Electronics. Nanomaterials, 6(1), 12. (SCIE)
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7. ZS Yan, WH Lin, CH Liu (2015, Jan). Measurement of the thermal elongation of high speed spindles in realtime using a cat’s eye reflector based optical sensor. Sensors and Actuators A: Physical, 221, 154–160. (SCIE)
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8. CC Liu and CH Liu (2014, Sep). Analysis of nonlinear dynamic behavior of electrically actuated micro-beam with piezoelectric layers and squeeze-film damping effect. Nonlinear Dynamics, 77(4), 1349- 1361. (SCI).
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9. GY Zhuang, HW Lee, and CH Liu (2014, Aug). Determination of the position and orientation of a flat piezoelectric micro-stage by moving the optical axis. Review of Scientific Instruments, 85, 105004 (2014).
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10. HW Lee, CH Liu, and JS Chen (2014, Jun). Development of a High Precision Edge Alignment System for Touch-Panel Glass Substrates. Advances in Mechanical Engineering, 904061, 11. (SCIE).
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11. HW Lee and CH Liu (2014). Development of a steel ball center alignment device based on Michelson interference concept. Review of Scientific Instruments, 85, 095115 (SCI).
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12. HW Lee, WH Lin and CH Liu (2014). Development of a Radial Error Measurement Device for Rotary Tables. Journal of . the Chinese Society of Mechanical Engineers, 35(2), pp 149~156. (SCIE).
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13. HW Lee, TT Hsieh, CC Liu, and CH Liu (2014). Development of a Flat Type Six-Axis Stage Based on Piezoelectric Actuators. Mathematical Problems in Engineering, 523786, 16. (SCIE).
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14. TH Hsieh, HL Huang, WY Jywe, and CH Liu (2014). Development of a machine for automatically measuring static/dynamic running parallelism in linear guideways. Review of Scientific Instruments, 85, 035115. (SCI).
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15.HW. Lee and C. H. Liu (2013). Vision Servo Motion Control and Error Analysis of a Coplanar XXY Stage for Image Alignment Motion. Mathematical Problems in Engineering. 592312
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