共找到239條詞條名為李勇的結果 展開

李勇

清華大學機械工程系教授

李勇,博士,清華大學機械工程系教授,博士生導師。

教育背景


1987 - 1991 日本新潟大學 精密工學專業,博士學位;
1985 - 1987 日本 新潟大學 精密工學專業,碩士學位;
1983 - 1985 哈爾濱工業大學、大連外國語學院、日本新潟大學,日語培訓;
1978 - 1982 哈爾濱工業大學 機械製造工程系,學士學位;

工作經歷


2016 - 至今 清華大學 機械工程系 製造工程研究所 長聘教授;
2013 - 2016 清華大學 機械工程系 製造工程研究所 研究員;
2004 - 2012 清華大學 精密儀器與機械學系 製造工程研究所 研究員;
1994 - 2004 清華大學 精密儀器與機械學系 儀器與科學技術研究所 副研究員;
1992 - 1994 清華大學 儀器儀錶博士后流動站 博士后;
1991 - 1992 日本海外技術者研修協會(AOTS)資助 博士后研究;
1982 - 1983 航天工業部695廠工作;

研究領域


微納製造,涉及微細電加工工藝與裝備、微流控器件、超精密切削加工及其應用。

研究概況


(1)微細電加工工藝與裝備在微細電火花加工技術研究上,開發出精密微細電極及高深寬比微細孔的新工藝、基於放電間隙伺服控制實時補償電極損耗的三維微細電火花伺服掃描加工方法,開發出發動機噴油嘴微細噴孔電火花加工專用機床並實現產業化。在微細電解加工技術研究中,提出多種微細工具電極製備及其側壁絕緣方法,研發出三電極高頻窄脈衝電解加工電源,深入探索涉及加工材料和電解液的加工機理,有望實現約束電場、改善流場、綜合提高加工定域性的微細電解加工工藝和裝備。
(2)微流體控制器件以微小型泵閥、推進器的研究為起始,提出一種柔性MEMS蒙皮的設計和製作方案,開展了以流體控制為目標的微氣泡產生與駐留控制、功能結構設計和蒙皮製作工藝的基礎研究。正在開展微流控生物晶元、工業用噴墨列印頭的設計製造應用研究。
(3)超精密切削加工及其應用主要進行單點金剛石刀具超精密切削加工系統控制、加工鐵基材料時的金剛石刀具減磨機理和方法、光學非球曲面菲涅爾透鏡模具的超精密切削加工工藝及其在聚光太陽能發電系統方面的技術應用研究。

學術成果


發表學術研究論文200餘篇(其中SCI檢索20餘篇,EI檢索50餘篇);獲授權國家發明專利40項、日本國發明專利1項;
獲省部級科技獎一等獎2項、二等獎2項:
2015年度中國機械工業科學技術獎一等獎“高端柴油發動機噴油嘴倒錐形微噴孔電火花加工關鍵技術及裝備” (第一完成人);
2003年度教育部科技進步一等獎“新型微流體器件、結構加工和應用研究”(第四完成人);
2000年度北京市科技進步二等獎“微細電火花加工工藝研究”(第一完成人);
1998年度教育部科技進步二等獎“微小型泵及其製造測試技術研究”(第四完成人);

主要代表性論文


(1) Yong LI, Hiroyasu IWABE and Yoshiya FUJII, “ Study on improvement of machining accuracy in cornering cut with end mill”, JSME International Journal, Series Ⅲ, Vol.35, No.1(1992)pp.168-173.
(2) Yong Li, Min Guo, Zhaoying Zhou and Min Hu, “ Micro electro discharge machine with an inchworm type of micro feed mechanism”, Precision Engineering, Vol.26, No.1 (2002) pp.7-14.
(3) Li Yong, Zheng Yunfei, Yang Guang and Peng Liangqiang, “ Localized electrochemical micro machining with gap control”, Sensors and Actuators: A-Physical, Vol.108, No.1-3 (2003) pp.144-148.
(4) Chen Xupeng, Li Yong, Zhou Zhaoying and Fan Ruili, “ Homogeneously catalyzed micro chemical thruster”, Sensors and Actuators: A-Physical, Vol.108, No.1-3(2003) pp.149-154.
(5) H. Tong, Y. Wang and Y. Li, “ Vibration-assisted Servo Scanning 3D Micro EDM”, Journal of Micromechanics and Microengineering, Vol.18, No.2 (2008) pp.501-508.
(6) H. Tong, Y. Li, Y. Wang, D. Yu, “ Servo Scanning 3D Micro-EDM Based on Macro/micro-dual-feed Spindle”, International Journal of Machine Tools & Manufacture, 48 (2008) pp.858-869.
(7) H. Tong, Y. Li, Y. Wang, “ Experimental Research on Vibration Assisted EDM of Micro Structures with Non-circular Cross Section”. Journal of Materials Processing Technology, Vol 208, No. 1-3 (2008) pp. 289-298.
(8) LI Yong, “ An Overview of Research Attempts on Micro Electro Machining at Tsinghua University”, Journal of The Japan Society of Electrical Machining Engineers, Vol.45, No.109 (2011.7) pp.48-53.
(9) TONG Hao, LI Yong and HU Manhong, “ Experimental Research on Effects of Process Parameters on Servo Scanning 3D Micro Electrical Discharge Machining”, Chinese Journal of Mechanical Engineering, Vol.25, No.1, (2012) pp.114-121.
(10) ZHU XiaoGu, HUANG WeiFeng & LI Yong, “ Role of step-shape structures and critical failure bubble volume in micro bubble constraint”, Chinese Science Bulletin, Vol.57, No.22 (2012) pp.2941-2946.
(11) Tong Hao, Li Yong, “ Self-adaptive fuzzy controller with formulary rule for servo control of discharge gap in Micro EDM”, High Technology Letters, Vol.18, No.3 (2012) pp.223-229.
(12) 李勇,李文平,朱效谷:『 柔性MEMS減阻蒙皮設計及其製作工藝』,光學精密工程,Vol.20,No.12 (2012) pp.2696-2703.
(13) H. Tong, Y. Li, L. Zhang, B.Q. Li, “ Mechanism design and process control of micro EDM for drilling spray holes of diesel injector nozzles”, Precision Engineering, Vol.37, No.1 (2013) pp.213-221.
(14) Yong Li, Ruiqin Hu, “ Micro Electrochemical Machining for Tapered Holes of Fuel Jet Nozzles”, Procedia CIRP, Vol.6 (2013) pp.396-401.
(15) Hao Tong,Long Zhang,Yong Li, “ Algorithms and machining experiments to reduce depth errors in servo scanning 3D micro EDM”, Precision Engineering, Vol.38, No.3 (2014) pp.538-547.
(16) K. Zhou, X. G. Zhu, Y. Li and J. Liu, “ Fabrication of PDMS Micro Through-holes UsingMicromolding in Open Capillaries”, RSC Advances, Vol. 60, No.4 (2014) pp.31988-31993.
(17) 朱效谷,李勇,李文平:『 電解水式駐留微氣泡減阻技術及其可行性分析』,船舶力學,Vol.18, No.10 (2014) pp.1165-1174.
(18) Long Zhang, Hao Tong, Yong Li, “ Precision machining of micro tool electrodes in micro EDM for drilling array micro holes”, Precision Engineering, Vol.39, (2015) pp.100-106.
(19) C. J. Li, Y. Li, X. Gao and C. V. Duong, “ Ultra-precision machining of Fresnel lens mould by single-point diamond turning based on axis B rotation”, International Journal of Advanced Manufacturing Technology, Vol. 77, (2015) pp.907–913.
(20) 孔全存,李勇,劉國棟,李朝將,佟浩:『 三電極微細電解加工脈衝電源』,清華大學學報(自然科學版), Vol.55, No.3(2015)pp.266~272.
(21) 周凱,朱效谷,李勇:『 基於VOF方法的駐留微氣泡形狀穩定性模擬研究』,船舶力學,Vol.20, No.1-2 (2016) pp.41-47.
(22) TONG Hao, LI Yong, ZHANG Long, “ On-machine process of rough-and-finishing servo scanning EDM for 3D micro cavities”. International Journal of Advanced Manufacturing Technology, Vol.82, No.5 (2016) pp.1007-1015.
(23) C. J. Li, Y. Li, H. Tong, L. Zhao, Q. C. Kong, Z. Q.Wang, “ An EDM pulse power generator and its feasible experiments for drilling film cooling holes”. International Journal of Advanced Manufacturing Technology, Vol.87, (2016) pp.1813-1821.
(24) Guodong Liu, Yong Li, Quancun Kong, Hao Tong: “ Research on ECM Process of Micro Holes with Internal Features”, Precision Engineering, Vol.41, (2017), pp.508–515.