6TRZYNADLOWSKI A M,PEDERSEN J K,LEGOWSKI S.Random pulse width modulation techniques for converter-fed drive system-a review[J].IEEE Transactions on Industry Applications,1994,30 (5):1 166-1 175.
7WONG H,CHAN Y,MA S W.Electromagnetic interference of switching mode power regulator with chaotic frequency modulation:proc.23rd International Conference on Microelectronics,Nis,Yugoslavia,May 2002[C].c2002:577-580.
8BELLINI A,FRANCESCHINI G,ROVATTI R,et al.Generation of low-EMI PWM patterns for induction motor drives with chaotic maps:the 27th Annual Conference of the IEEE Industrial Electronics Society,2001[C].c2001:1 527-1 532.
9CALLEGARI S,ROVATTI R,SETTI G.Spectral properties of chaos-based FM signals:theory and simulation results[J].IEEE Transactions on Circuits and Systems-1:Fundamental Theory and Applications,2003,50 (1):3-15.
10HABETLER T G,DIVAN D M.Acoustic noise reduction in sinusoidal PWM drives using a randomly modulated carrier [J].IEEE Trans.Power Electron.,1991,6 (3):356-363.
