提出高频脉冲采集新方法并通过对加工表面的热结构耦合分析，建立了电火花纳米级表面加工理论基础，实现了纳秒级放电脉冲和纳米级微细镜面加工；构建电火花特种加工过程非线性分析理论体系，为电火花特种加工的机理研究及控制技术提供了新理论基础；提出直流运动电弧铣削加工新原理新方法，实现了高速电火花铣削。共发表学术论文100多篇，其中SCI收录论文20多篇, 被SCI他引60多次；获国外发明专利2项，中国发明专利3项。 主要学术论文: [1] Jin Wang, Fu-Zhu Han, Gang Cheng, and Fu-Ling Zhao: Debris and bubble movements during electrical discharge machining, International Journal of Machine Tools & Manufacture(2012), Vol. 58, 11-18 [2] Jin Wang, Fu-Zhu Han, and Fu-Ling Zhao: Improvement of EDM efficiency with a new adaptive control strategy, The International Journal of Advanced Manufacturing Technology(2012), Vol. 62, 9-12-1025~9-12-1040 [3] F.Han ,F.Ai, Y.Wang: Attempt at unitary magnetorheological finishing for a pierced die cavity, Proceedings of the Institution of Mechanical Engineers Part B-Journal of EngineeringManufactur(2010), 224,b6, 879-886 [4] F.Han,G. Cheng,Z.Feng,S.Isago: Measurement of wire electrode temperature in WEDM, International Journal of Advanced Manufacturing Technology (2009),41(9,10),pp871-879 [5] F.Han,Y. Wang, M.Zhou: High-speed EDM milling with moving electric arcs，International Journal of Machine Tools & Manufacture（2009），49，（1）pp.20-24 [6] M.Zhou, F.Han,Y.Wang,S.Isago: Assessment of dynamical properties in EDM process-detecting signature of latent change to deleterious process in advance, International Journal of Advanced Manufacturing Technology (2009),44(3,4),pp.283-292 [7] M.Zhou, F.Han,Y.Wang,S.Isago: Assessment of the dynamical properties in EDM process-detecting deterministic nonlinearity of EDM process, International Journal of Advanced Manufacturing Technology (2009),44(1,2),pp.91-99 [8] M.Zhou, F.Han: Adaptive control for EDM process with a self-tuning regulator, International Journal of Machine Tools & Manufacture（2009），49(6),pp.462-469 [9] F.Han, G. Cheng,Z.Feng, S.Isago: thermo-mechanical analysis and optimal tension control of micro wire electrode, International Journal of Machine Tools & Manufacture (2008),48(7-8): pp922-931  [10] M.Zhou, F.Han,S.Isago: A time-varied predictive model for EDM process, International Journal of Machine Tools & Manufacture（2008），48(15),pp.1668-1677 [11] F.Han, J.Zhang,S.Isago: Corner error simulation of rough cutting in wire EDM, Precision Engineering(2007)31,pp331-336 [12] G.Cheng, F.Han,Z.Feng: Experimental determination of convective heat transfer coefficient in WEDM, International Journal of Machine Tools & Manufacture(2007), 47, (11) , pp.1744-1751 [13] F.Han, J. Jiang, D. Yu: Influence of machining parameters on surface roughness in finish cut of WEDM, International Journal of Advanced Manufacturing Technology (2007) 34 (5-6): pp.538-546 [14] F.Han, J. Jiang,D. Yu: Influence of discharge current on machined surface by thermo-analysis in finish cut of WDM, International Journal of Machine Tools & Manufacture (2007) 47 (7-8), 1187-1196 [15] F.Han,Y.Yamada,T.Kawakami, M.Kunieda: Experimental attempts of sub-micrometer order size machining using micro-EDM, Precision Engineering (2006) 30(2)，123-131 [16] F.Han, S.Wachi, M.Kunieda: Improvement of Machining Characteristics of micro-EDM using transistor type isopulse generator and servo feed control, Precision Engineering (2004), 28,378-385 [17] F.Han,M. Kunieda: Development of Parallel Spark EDM, Precision Engineering (2004)28, pp.65-72 [18] F.Han,M. Kunieda, T. Sendai, Y. Imai: High Precision Simulation of WEDM Using Parametric Programming, Annals of the CIRP, (2002) Vol.51 pp.165-168