[1] Sorniotti A, Pilone G L, Viotto F, et al. A novel seamless 2-speed transmission system for electric vehicles: Principles and simulation results [J]. Sae International Journal of Engines, 2011, 4(2): 2671-2685. [2] Serrarens I A, van Liempt W, Weel I N, et al. Powershift module combination of friction brake and planetary gearset [J]. ATZ Worldwide, 2010, 112(6): 30-34. [3] FANG Shengnan, SONG Jian, SONG Haijun, et al. Design and control of a novel two-speed uninterrupted mechanical transmission for electric vehicles [J]. Mechanical Systems & Signal Processing, 2016, 75(6): 473-493. [4] 方圣楠, 宋健, 宋海军, 等. 基于最优控制理论的电动汽车机械式自动变速器换挡控制 [J]. 清华大学学报(自然科学版), 2016, 56(6): 580-586.FANG Shengnan, SONG Jian, SONG Haijun, et al. Shifting control of automated mechanical transmission for the electric vehicle based on optimal control theory [J]. J Tsinghua Univ (Sci & Tech), 2016, 56(6): 580-586. (in Chinese) [5] SONG Haijun, SONG Jian, FANG Shengnan, et al. Analysis and simulation of the novel two-speed uninterrupted transmission with centrifugal clutch for electric vehicle [C]//ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Boston, USA: ASME, 2015: V010T11A053. [6] 李全德. 离心离合器和离心夹具技术体系构建与创新设计[D]. 苏州:苏州大学, 2008.LI Quande. Construction of Technological System and Innovative Design of Centrifugal Clutches and Centrifugal Fixtures [D]. Suzhou: Soochow University, 2008. (in Chinese) [7] 张方宇, 桂良进, 范子杰. 鼓式制动器热应力磨损耦合行为的研究 [J]. 汽车工程, 2016, 38(4): 467-472.ZHANG Fangyu, GUI Liangjin, FAN Zijie. A study on the heat-stress-wear coupling behavior of drum brake [J]. Automotive Engineering, 2016, 38(4): 467-472. (in Chinese) [8] 范久臣, 孙雪梅, 李洪洲, 等. 多次紧急制动工况下的鼓式制动器热结构耦合分析[J]. 北华大学学报:自然科学版, 2015, 16(3): 410-416.FAN Jiuchen, SUN Xuemei, LI Hongzhou, et al. Thermal-structure coupling analysis of drum break under multiple emergency braking conditions [J]. Journal of Beihua University (Natural Science), 2015, 16(3): 410-416. (in Chinese) [9] 毛智东, 王学林, 胡于进, 等. 鼓式制动器接触分析[J]. 华中科技大学学报(自然科学版), 2002, 30(7): 71-73. MAO Zhidong, WANG Xuelin, HU Yujin, et al. The drum brake contact analysis [J]. J Huazhong Univ Sci & Tech (Nature Science Edition), 2002, 30 (7): 71-73. (in Chinese) [10] Khairnar H P, Phalle V M, Mantha S S. Estimation of automotive brake drum-shoe interface friction coefficient under varying conditions of longitudinal forces using Simulink [J]. Friction, 2015, 3(3): 214-227. [11] Stoica N A, Tudor A. Some aspects concerning the thermoplastic distortions of the brake drum-shoe contact with application to vehicles [J]. Journal of the Balkan Tribological Association, 2016, 22(1): 1-16. [12] 靳少杰, 徐颖强, 林富华. 鼓式制动器摩擦片-鼓接触点确定方法及变化规律分析 [J]. 汽车工程, 2010, 32(5): 424-428.JIN Shaojie, XU Yingqiang, LIN Fuhua. The determination and change regularity of contact position between drum and lining of drum brake [J]. Automotive Engineering, 2010, 32 (5): 424-428. (in Chinese) [13] 范久臣, 杨兆军, 刘长亮, 等. 鼓式制动器刚柔耦合虚拟样机 [J]. 吉林大学学报(工学版), 2009, 39(S1): 183-187.FAN Jiuchen, YANG Zhaojun, LIU Changliang, et al. Virtual prototype of drum brake based on rigid-flexible coupling method [J]. Journal of Jilin University (Engineering and Technology Edition), 2009, 39(S1): 183-187. (in Chinese)