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Publications

  1. Z. Xue, K.T. Chau, W. Liu, and Z. Hua, “Magnetic-free wireless self-direct drive motor system for biomedical applications with high-robustness,” IEEE Transactions on Power Electronics, early access, 2023. DOI: 10.1109/TPEL.2023.3335373.

  2. W. Liu, K.T. Chau, X. Tian, H. Wang, and Z. Hua, “Smart wireless power transfer — opportunities and challenges,” Renewable and Sustainable Energy Reviews, vol. 180, pp. 113298, Jul. 2023. DOI: 10.1016/j.rser.2023.113298.

  3. W. Liu, T. Placke, and K.T. Chau, “Overview of batteries and battery management for electric vehicles,” Energy Reports, vol. 8, pp. 4058–4084, Nov. 2022.DOI: 10.1016/j.egyr.2022.03.016. (Highly Cited Paper, Hot Paper, selected as Article Digests by Elsevier)

  4. W. Liu, K.T. Chau, C.C.T. Chow, and C.H.T. Lee, “Wireless energy trading in traffic internet,” IEEE Transactions on Power Electronics, vol. 37, no. 4, pp. 4831–4841, Apr. 2022. DOI: 10.1109/TPEL.2021.3118458.

  5. W. Liu, K.T. Chau, C.H.T. Lee, L. Cao, and W. Han, “Wireless power and drive transfer for piping network,” IEEE Transactions on Industrial Electronics, vol. 69, no. 3, pp. 2345–2356, Mar. 2022. DOI: 10.1109/TIE.2021.3068675.

  6. W. Liu, K.T. Chau, C.H.T. Lee, X. Tian, and C. Jiang, “Hybrid frequency pacing for high-order transformed wireless power transfer,” IEEE Transactions on Power Electronics, vol. 36, no. 1, pp. 1157–1170, Jan. 2021. HKU Scholars Hub

  7. W. Liu, K.T. Chau, C.H.T. Lee, C. Jiang, W. Han, and W.H. Lam, “A wireless dimmable lighting system using variable-powervariable-frequency control,” IEEE Transactions on Industrial Electronics, vol. 67, no. 10, pp. 8392–8404, Oct. 2020. DOI:10.1109/TIE.2019.2947814.

  8. W. Liu, K.T. Chau, C.H.T. Lee, C. Jiang, W. Han, and W.H. Lam, “Wireless energy-on-demand using magnetic quasi-resonant coupling,” IEEE Transactions on Power Electronics, vol. 35, no. 9, pp. 9057–9069, Sep. 2020. HKU Scholars Hub

  9. W. Liu, K.T. Chau, C.H.T. Lee, W. Han, X. Tian, and W.H. Lam, “Full-range soft-switching pulse frequency modulated wireless power transfer,” IEEE Transactions on Power Electronics, vol. 35, no. 6, pp. 6533–6547, Jun. 2020. HKU Scholars Hub

  10. W. Liu, K.T. Chau, H. Wang, and T. Yang, “Long-range wireless power drive using magnetic extender,” IEEE Transactions on Transportation Electrification, vol. 9, no. 1, pp. 1897–1909, Mar. 2023. DOI: 10.1109/TTE.2022.3178688.

  11. W. Liu, K.T. Chau, C.H.T. Lee, C. Jiang, and W. Han, “A switched-capacitorless energy-encrypted transmitter for roadway-charging electric vehicles,” IEEE Transactions on Magnetics, vol. 54, no. 11, pp. 8401006: 1–6, Nov. 2018. HKU Scholars Hub

  12. W. Liu, K.T. Chau, C.H.T. Lee, C. Jiang, W. Han, and W.H. Lam, “Multi-frequency multi-power one-to-many wireless power transfer system”, IEEE Transactions on Magnetics, vol. 55, no. 7, pp. 8001609: 1–9, Jul. 2019. HKU Scholars Hub

  13. W. Liu, K.T. Chau, C.H.T. Lee, W. Han, and X. Tian, “Low-frequency-switchinghigh-frequency-resonating wireless power transfer,” IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 8000408: 1–8, Feb. 2021. DOI: 10.1109/TMAG.2020.3007156.

  14. W. Liu, K.T. Chau, C.H.T. Lee, L. Cao, and C. Jiang, “Frequency-modulated wireless direct-drive motor control,” IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 8201907: 1–7, Feb. 2021. DOI: 10.1109/TMAG.2020.3021708.

  15. W. Liu, J. Zhang, and R. Chen, “Modelling and control of a novel zero-current-switching inverter with sinusoidal current output,” IET Power Electronics, vol. 9, no. 11, pp. 2205–2215, Sep. 2016. DOI: 10.1049/iet-pel.2015.0296.

  16. W. Liu, K.T. Chau, W.H. Lam, and Z. Zhang, “Continuously variable-frequency energy-encrypted wireless power transfer,” Energies, vol. 12, no. 7, pp. 1286, Apr. 2019. DOI: 10.3390/en12071286.

  17. W. Liu, J. Lu, C.C. Mi, and K.T. Chau, “Integrated sensorless wireless charging using symmetric high-order network,” IEEE Transactions on Power Electronics, 2023, under review.

  18. H. Pang, F. Xu, W. Liu, C.K. Tse, and K.T. Chau, “Impedance buffer-based reactance cancellation method for CLC-S compensated wireless power transfer,” IEEE Transactions on Industrial Electronics, early access, 2023. DOI: 10.1109/TIE.2023.3314863.

  19. X. Tian, W. Liu, K.T. Chau, and S.M. Goetz, “Omnidirectional magnetic resonant extender design for underwater wireless charging system,” IEEE Journal of Emerging and Selected Topics in Power Electronics, early access, 2023. DOI: 10.1109/JESTPE.2023.3318130.

  20. H. Wang, K.T. Chau, W. Liu, and S.M. Goetz, “Design and control of wireless permanent-magnet brushless DC motors,” IEEE Transactions on Energy Conversion, early access, 2023. DOI: 10.1109/TEC.2023.3292178.

  21. H. Wang, K.T. Chau, W. Liu, S. Li, and S.M. Goetz, “A novel speed-sensorless wireless universal motor with bidirectional movement,” IEEE Transactions on Magnetics, early access, 2023. DOI: 10.1109/TMAG.2023.3277272.

  22. T. Yang, K.T. Chau, W. Liu, T.W. Ching, and L. Cao, “Comparative analysis and design of double-rotor stator-permanent-magnet motors with magnetic-differential application for electric vehicles,” World Electric Vehicle Journal, vol. 13, no. 11, pp. 199, Oct. 2022. DOI: 10.3390/wevj13110199.

  23. Z. Hua, K.T. Chau, W. Liu, X. Tian, and H. Pang, “Autonomous pulse frequency modulation for wireless battery charging with zero-voltage switching,” IEEE Transactions on Industrial Electronics, vol. 70, no. 9, pp. 8959–8969, Sept. 2023. DOI: 10.1109/TIE.2022.3215814.

  24. Calvin C.T. Chow, Albert Y.S. Lam, Wei Liu, and K.T. Chau, “Multi-source multi-destination optimal energy routing in static and time-varying vehicular energy network,” IEEE Internet of Things Journal, vol. 9, no. 24, pp. 25487–25505, Dec. 2022.DOI:10.1109/JIOT.2022.3197242.

  25. X. Tian, K.T. Chau, W. Liu, H. Pang, and C. H. T. Lee, “Maximum power tracking for magnetic field editing-based omnidirectional wireless power transfer,” IEEE Transactions on Power Electronics, vol. 37, no. 10, pp. 12901–12912, Oct. 2022. DOI:10.1109/TPEL.2022.3178097.

  26. Z. Hua, K.T. Chau, W. Liu, and X. Tian, “Pulse frequency modulation for parity-time-symmetric wireless power transfer system,” IEEE Transactions on Magnetics, vol. 58, no. 8, pp. 8002005: 1–5, Aug. 2022. DOI:10.1109/TMAG.2022.3153499.

  27. H. Pang, K.T. Chau, W. Liu, and X. Tian, “Multi-resonating-compensation for multi-channel multi-pickup wireless power transfer,” IEEE Transactions on Magnetics, vol. 58, no. 8, pp. 8600506: 1–6, Aug. 2022. DOI:10.1109/TMAG.2022.3145878.

  28. X. Yuan, J. Chen, W. Liu, and C. H. T. Lee, “A linear control approach to design digital speed control system for PMSMs,” IEEE Transactions on Power Electronics, vol. 37, no. 7, pp. 8596–8610, Jul. 2022. DOI:10.1109/TPEL.2022.3146174.

  29. X. Tian, K.T. Chau, H. Pang, and W. Liu, “Power adaption design for multifrequency wireless power transfer system,” IEEE Transactions on Magnetics, vol. 58, no. 8, pp. 8600605: 1–5, Aug. 2022. DOI:10.1109/TMAG.2021.3132959.

  30. Z. Hua, K.T. Chau, W. Han, W. Liu, and T.W. Ching, “Output-controllable efficiency-optimized wireless power transfer using hybrid modulation,” IEEE Transactions on Industrial Electronics, vol. 69, no. 5, pp. 4627–4636, May 2022. DOI:10.1109/TIE.2021.3086733.

  31. W. Han, K.T. Chau, W. Liu, H. Wang, and Z. Hua, “Wireless power and drive transfer using orthogonal bipolar couplers and separately excited modulation,” IEEE Transactions on Industrial Electronics, vol. 69, no. 4, pp. 3492–3502, Apr. 2022. DOI:10.1109/TIE.2021.3073302.

  32. X. Tian, K.T. Chau, and W. Liu, “Design and analysis of optimal current vector for HTS-based multi-input wireless power transfer systems,”Energies,vol. 15, no. 12, pp. 4337, Jun. 2022. DOI:10.3390/en15124337.

  33. K.T. Chau, C. Jiang, W. Han, W. Liu, and H. Wang, “Direct wireless power conversion systems and their applications,” Science and Technology Research, vol. 10, no. 1, pp. 5–12, Jan. 2021. DOI:10.11425/sst.10.5.

  34. C. Jiang, K.T. Chau, W. Liu, C. Liu, W. Han, and W.H. Lam, “An LCC-compensated multiple-frequency wireless motor system,” IEEE Transactions on Industrial Informatics, vol. 15, no. 11, pp. 6023–6034, Nov. 2019. DOI:10.1109/TII.2019.2904798.

  35. C. Jiang, K.T. Chau, C.H.T. Lee, W. Han, W. Liu, and W.H. Lam, “A wireless servo motor drive with bidirectional motion capability,” IEEE Transactions on Power Electronics, vol. 34, no. 12, pp. 12001–12010, Dec. 2019. DOI:10.1109/TPEL.2019.2904757.

  36. W. Han, K.T. Chau, C. Jiang, W. Liu, and W.H. Lam, “High-order compensated wireless power transfer for dimmable metal halide lamps,” IEEE Transactions on Power Electronics, vol. 35, no. 6, pp. 6269–6279, Jun. 2020. DOI:10.1109/TPEL.2019.2950206.

  37. W. Han, K.T. Chau, C. Jiang, W. Liu, and W.H. Lam, “Design and analysis of wireless direct-drive high intensity discharge lamp,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 4, pp. 3558–3568, Dec. 2020. DOI:10.1109/JESTPE.2019.2948069.

  38. X. Tian, K.T. Chau, W. Liu, and C.H.T. Lee, “Selective wireless power transfer using magnetic field editing,” IEEE Transactions on Power Electronics, vol. 36, no. 3, pp. 2710–2719, Mar. 2021. DOI:10.1109/TPEL.2020.3017000.

  39. L. Ming, Z. Xin, W. Liu, and P.C. Loh, “Structure and modelling of four-layer screen-returned PCB Rogowski coil with very few turns for high-bandwidth SiC current measurement,” IET Power Electronics, vol. 13, no. 4, pp. 765–775, Jun. 2019. DOI:10.1049/iet-pel.2019.0694.

  40. H. Pang, K.T. Chau, W. Han, W. Liu, and Z. Zhang, “Decoupled-double D coils based dual-resonating-frequency compensation for wireless power transfer,” IEEE Transactions on Magnetics, vol. 58, no. 2, pp. 8000407: 1–7, Feb. 2022. DOI:10.1109/TMAG.2021.3091456.

  41. L. Cao, K.T. Chau, C.H.T. Lee, W. Liu, and T.W. Ching, “Analysis of air-gap field modulation in parallel-hybrid-excited harmonic-shift machines,” IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 8102606: 1–6, Feb. 2021. DOI:10.1109/TMAG.2020.3020126.

  42. X. Tian, K.T. Chau, W. Liu, and C.H.T. Lee, “Analysis of multi-coil omnidirectional energy harvester,” IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 8000806: 1–6, Feb. 2021. DOI:10.1109/TMAG.2020.3015732.

  43. W. Han, K.T. Chau, W. Liu, X. Tian, and H. Wang, “A dual-resonant topology-reconfigurable inverter for all-metal induction heating,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 10, no. 4, pp. 3818–3829, Aug. 2022.

  44. W. Han, K.T. Chau, C. Jiang, W. Liu, and W.H. Lam, “Design and analysis of quasi-omnidirectional dynamic wireless power transfer for fly-and-charge,” IEEE Transactions on Magnetics, vol. 55, no. 7, pp. 8001709: 1–9, Jul. 2019. DOI:10.1109/TMAG.2019.2895716.

  45. W. Han, K.T. Chau, C. Jiang, and W. Liu, “All-metal domestic induction heating using single-frequency double-layer coils,” IEEE Transactions on Magnetics, vol. 54, no. 11, pp. 8400705: 1–5, Nov. 2018. DOI:10.1109/TMAG.2018.2846548.

  46. W. Han, K.T. Chau, C. Jiang, and W. Liu, “Accurate position detection in wireless power transfer using magnetoresistive sensors for implant applications,” IEEE Transactions on Magnetics, vol. 54, no. 11, pp. 4001205: 1–5, Nov. 2018. DOI:10.1109/TMAG.2018.2843796.

  47. C. Jiang, K.T. Chau, C. Liu, C.H.T. Lee, W. Han, and W. Liu, “Move-and-charge system for automatic guided vehicles,” IEEE Transactions on Magnetics, vol. 54, no. 11, pp. 8600105: 1–5, Nov. 2018. DOI:10.1109/TMAG.2018.2829727.

  48. C. Jiang, K.T. Chau, W. Han, and W. Liu, “Development of multilayer rectangular coils for multiple-receiver multiple-frequency wireless power transfer,” Progress in Electromagnetics Research, vol. 163, pp. 15–24, Aug. 2018. DOI:10.2528/PIER18060206.

  49. C. Jiang, K.T. Chau, C. Liu, C.H.T. Lee, W. Han, and W. Liu, “Development of multiple-frequency wireless coordinative motor drives,” Progress in Electromagnetics Research C, vol. 91, pp. 143–156, Mar. 2019. DOI:10.2528/PIERC18122803.

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