Fig. 1. Schematic diagram of waveform generation

Fig. 2. Relationship between δ and Ωτ calculated for different values of β at 0≤δ≤50%

Fig. 3. Relationship among σ, Ωτ, and φ calculated for different values of β. (a) 0≤σ≤50%; (b) 50%≤σ≤100%

Fig. 4. Time domain waveforms generated by simulation with adjustable factor of 0-50%

Fig. 5. RMSE between theoretical and simulated waveforms. (a) Theoretical RMSE for third-order, seventh-order, and eleventh-order approximate waveforms; (b) RMSE of waveforms generated by simulation

Fig. 6. Time domain waveforms generated by simulation with symmetry factor of 0-100%

Fig. 7. RMSE between theoretical and simulated waveforms.(a) Theoretical RMSE for third-order, seventh-order, and eleventh-order approximate waveforms; (b) RMSE of waveforms generated by simulation