Sun Yue, Dai Xin, Wang Zhi-Hui, Su Yu-Gang, Hu Ai-Guo, Tang Chun-Sen. Analysis of multiple resonant operating points and their autonomous oscillation stabilities in inductive power transfer systemsJ. Acta Physica Sinica, 2011, 60(4): 048401. DOI: 10.7498/aps.60.048401