（1）四川省科技厅国际合作项目（2021-2023）：“面向智能汽车传感网络的弱耦合自供能研究”，主持.

（2）国家自然科学基金面上项目（2019-2022）：“基于自适应双稳态集能器的微能源系统”，主持.

（3）国家自然科学基金青年项目（2016-2018）：“宽带振动能量回收：双稳态发电机的优化与拓展研究”，主持.

（4）四川省科技厅国际合作项目（2016-2018）：“基于直驱技术的AMT换挡系统设计与性能研究”，主持.

（5）中国博士后基金第10批特别资助（2017-2019）：“具备复杂刚度的宽带非线性悬臂梁发电机研究”，主持.

（6）中国博士后基金面上一等资助（2016-2018）：“曲面夹具实现非线性振子的结构研究及振动能量回收应用”，主持.

（7）法国国家研究署(ANR)项目：“宽带能量回收研究 REVilaBa Project”，主研.

（8）西南交通大学百人计划项目：“汽车振动与噪声能量的回收及应用”，主持.

论文列表

期刊论文( * 代表通讯作者)

[1]  Yuan Z, Liu W*, Ye M. A mapping method of dynamic response and stiffness characteristics for realizing a customized nonlinear oscillator[J]. Nonlinear Dynamics, 2020，102 (4), 2531-2548.  https://doi.org/10.1007/s11071-020-06089-1

[2]  Huang Y, Liu W*, Yuan Y, Zhang Z. High-energy orbit attainment of a nonlinear beam generator by adjusting the buckling level[J]. Sensors and Actuators A: Physical, 2020, 321:112164.

[3]  Gu Y, Liu W*, Zhao C*, et al. A goblet-like non-linear electromagnetic generator for planar multi-directional vibration energy harvesting[J]. Applied Energy, 2020, 266: 114846.

[4]  Liu W*, Huang Y, Wang J, et al. Energy Current Analysis of an Improved Self-Adaptive Mechatronic Approach for P-SSHI[J]. IEEE Transactions on Industrial Electronics, 2020.

[5]  Zhang Y, Bian K*, Gu Y, Ye M, Tian W, Liu W*. Cost-effective and scalable rectifier design for multiple piezoelectric power sources with improved performance[J]. Journal of Intelligent Material Systems and Structures, 2020, 31(1): 167-181.

[6]  Zhu Q, Xu M, Liu W*, et al. A state of charge estimation method for lithium-ion batteries based on fractional order adaptive extended kalman filter[J]. Energy, 2019, 187: 115880.

[7]  Liu W*, Yuan Z, Zhang S, et al. Enhanced broadband generator of dual buckled beams with simultaneous translational and torsional coupling[J]. Applied Energy, 2019, 251: 113412.

[8]  Yuan Z, Liu W*, Zhang S, et al. Bandwidth broadening through stiffness merging using the nonlinear cantilever generator [J]. Mechanical Systems and Signal Processing, 2019, 132:1-17.

[9]  Liu W*, Qin G, Zhu Q*, et al. Synchronous extraction circuit with self-adaptive peak-detection mechanical switches design for piezoelectric energy harvesting [J]. Applied Energy, 2018, 230: 1292-1303.

[10] Liu W*, Badel A, Formosa F, et al. Comparative case study on the self-powered synchronous switching harvesting circuits with BJT or MOSFET switches [J]. IEEE Transactions on Power Electronics, 2018, 33(11): 9506-9519.

[11] Liu W*, Badel A, Formosa F, et al. A comprehensive analysis and modeling of the self-powered synchronous switching harvesting circuit with electronic breakers [J]. IEEE Transactions on Industrial Electronics, 2018, 65(5): 3899-3909.

[12] Liu W, Zhao C*, Badel A, et al. Compact self-powered synchronous energy extraction circuit design with enhanced performance [J]. Smart Materials and Structures, 2018, 27(4): 047001.

[13] Liu W, Qin G, Zhu Q*, et al. Self-adaptive memory foam switches for piezoelectric synchronous harvesting circuits [J]. Smart Materials and Structures, 2018, 27(11): 117003.

[14] Liu W, Liu C, Li X*, et al. Comparative study about the cantilever generators with different curve fixtures[J]. Journal of Intelligent Material Systems and Structures, 2018, 29(9): 1884-1899.

[15] Gu X, Liu W, Guo L, et al. Hybridization of integrated microwave and mechanical power harvester[J]. IEEE Access, 2018, 6: 13921-13930.

[16] Wu Y, Ji H, Qiu J, Liu W, et al. An internal resonance based frequency up-converting energy harvester [J]. Journal of Intelligent Material Systems and Structures, 2018, 29(13): 2766-2781.

[17] Liu W, Formosa F*, Badel A. Optimization study of a piezoelectric bistable generator with doubled voltage frequency using harmonic balance method [J]. Journal of Intelligent Material Systems and Structures, 2017, 28(5): 671-686.

[18] Liu W*, Formosa F, Badel A, et al. A simplified lumped model for the optimization of post-buckled beam architecture wideband generator [J]. Journal of Sound and Vibration, 2017, 409: 165-179.

[19] Zhu Q, Yue J Z, Liu W*, et al. Active vibration control for piezoelectricity cantilever beam: an adaptive feedforward control method [J]. Smart Materials and Structures, 2017, 26(4): 047003.

[20] Liu C, Zhu Q, Li L, Liu W, et al. A State of Charge Estimation Method Based on H∞ Observer for Switched Systems of Lithium-Ion Nickel–Manganese–Cobalt Batteries [J]. IEEE Transactions on Industrial Electronics, 2017, 64(10): 8128-8137.

[21] Chen Y, Huang D, Zhu Q, Liu W, et al. A new state of charge estimation algorithm for lithium-ion batteries based on the fractional unscented kalman filter [J]. Energies, 2017, 10(9): 1313.

[22] Liu C, Liu W*, Wang L, et al. A new method of modeling and state of charge estimation of the battery [J]. Journal of Power sources, 2016, 320: 1-12.

[23] Liu W*, Liu C, Ren B, et al. Bandwidth increasing mechanism by introducing a curve fixture to the cantilever generator[J]. Applied Physics Letters, 2016, 109(4): 043905.

[24] Liu W*, Formosa F, Badel A, et al. Investigation of a buckled beam generator with elastic clamp boundary [J]. Smart Materials and Structures, 2016, 25(11): 115045.

[25] Liu W, Badel A*, Formosa F, et al. A new figure of merit for wideband vibration energy harvesters [J]. Smart Materials and Structures, 2015, 24(12): 125012.

[26] Liu W, Badel A*, Formosa F, et al. A wideband integrated piezoelectric bistable generator: experimental performance evaluation and potential for real environmental vibrations [J]. Journal of Intelligent Material Systems and Structures, 2015, 26(7): 872-877.

[27] Zhu Q, Hu G D, Liu W. Iterative learning control design method for linear discrete-time uncertain systems with iteratively periodic factors[J]. IET Control Theory & Applications, 2015, 9(15): 2305-2311.

[28] Lorenz C H P, Hemour S, Liu W, et al. Hybrid power harvesting for increased power conversion efficiency[J]. IEEE Microwave and Wireless Components Letters, 2015, 25(10): 687-689.

[29] Liu W*, Formosa F, Badel A, et al. Self-powered nonlinear harvesting circuit with a mechanical switch structure for a bistable generator with stoppers [J]. Sensors and Actuators A: Physical, 2014, 216: 106-115.

[30] Wu Y, Badel A, Formosa F, Liu W, et al. Self-powered optimized synchronous electric charge extraction circuit for piezoelectric energy harvesting [J]. Journal of Intelligent Material Systems and Structures, 2014, 25(17): 2165-2176.

[31] Wu Y, Badel A, Formosa F, Liu W, et al. Nonlinear vibration energy harvesting device integrating mechanical stoppers used as synchronous mechanical switches[J]. Journal of Intelligent Material Systems and Structures, 2014, 25(14): 1658-1663.

[32] Liu W*, Badel A, Formosa F, et al. Novel piezoelectric bistable oscillator architecture for wideband vibration energy harvesting[J]. Smart materials and structures, 2013, 22(3): 035013.

[33] Liu W*, Badel A, Formosa F, et al. Wideband energy harvesting using a combination of an optimized synchronous electric charge extraction circuit and a bistable harvester[J]. Smart Materials and Structures, 2013, 22(12): 125038.

[34] Wu Y, Badel A, Formosa F, Liu W, et al. Piezoelectric vibration energy harvesting by optimized synchronous electric charge extraction [J]. Journal of Intelligent Material Systems and Structures, 2013, 24(12): 1445-1458.

[35] Liu W, Feng Z H*, He J, et al. Maximum mechanical energy harvesting strategy for a piezoelement[J]. Smart Materials and Structures, 2007, 16(6): 2130.

[36] Liu W, Feng Z H*, Liu R B, et al. The influence of preamplifiers on the piezoelectric sensor’s dynamic property [J]. Review of Scientific Instruments, 2007, 78(12): 125107.

国际会议论文

[1]  Yuan Z, Liu W*, Tian W, et al. Synchronous circuits with self-adaptive mechanical switches of viscous material: a parameter study[C]//Journal of Physics: Conference Series. IOP Publishing, 2019, 1407(1): 012046.

[2]  Yuan Z, Liu W*, Tang H. Research on the design limitations of the nonlinear cantilever with curve fixtures[C]//2019 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM). IEEE, 2019: 1604-1608.

[3]  Liu W*, Zhang S, Badel A, et al. Performance enhancement by an improved compact design for self-powered synchronous switching harvesting circuits[C]//Journal of Physics: Conference Series. IOP Publishing, 2018, 1052(1): 012071. (Kanazawa, JAPAN)

[4]  Liu W*, Liu C, Zhu Q, et al. Bandwidth improvement by a novel piece-wise generator design with extended nonlinearities[C]//Active and Passive Smart Structures and Integrated Systems 2017. International Society for Optics and Photonics, 2017, 10164: 101642S. ( Portland)

[5]  Liu W*, Badel A, Formosa F, et al. An improved switching control law for the optimized synchronous electric charge extraction circuit[C]//Journal of Physics: Conference Series. IOP Publishing, 2015, 660(1): 012097. (Boston, MA)

[6]  Liu W*, Badel A, Formosa F, et al. Integrated bistable generator for wideband energy harvesting with optimized synchronous electric charge extraction circuit[C]//Journal of Physics: Conference Series. IOP Publishing, 2013, 476(1): 012107. (Imperial Coll London, London, ENGLAND )

[7]  Liu W*, Badel A, Formosa F, et al. Design and optimization of a novel bistable power generator for autonomous sensor nodes[C]//2013 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP). IEEE, 2013: 1-4. (Barcelona, SPAIN)

[8]  Wu Y, Badel A, Formosa F, Liu W, et al. Two self-powered energy harvesting interfaces based on the optimized synchronous electric charge extraction technique[C]//Journal of Physics: Conference Series. IOP Publishing, 2013, 476(1): 012098. (Imperial Coll London, London, ENGLAND )

[9]  Wu Y, Badel A, Formosa F, Liu W, et al. Vibration Energy Extraction Circuit Optimization by Optimized Synchronous Electric Charge Extraction and Its Self-powered Circuit[C]//The 23rd International Conference on Adaptive Structures and Technologies ICAST 2012. 2012: pp. NC. (Nanjing, China)

主要研究方向

(1)能量采集

(2)智能材料结构与系统

(3)能源管理

Research interests

(1) Energy Harvesting

(2)Smart Material Structures and Systems

(3)Energy Management System