Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation
It presents an improved frequency tracking control strategy aiming to the problems of conventional pulse density modulation for induction heating power supply in output power with level and operating frequency re-locking as recovering from natural attenuation to the output power state. Output load c...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Control and Information Technology
2012-01-01
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| Series: | Kongzhi Yu Xinxi Jishu |
| Subjects: | |
| Online Access: | http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2095-3631.2012.04.009 |
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| _version_ | 1849224702350852096 |
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| author | ZHU Hui PENG Yonglong LU Zhibin LI Yabin |
| author_facet | ZHU Hui PENG Yonglong LU Zhibin LI Yabin |
| author_sort | ZHU Hui |
| collection | DOAJ |
| description | It presents an improved frequency tracking control strategy aiming to the problems of conventional pulse density modulation for induction heating power supply in output power with level and operating frequency re-locking as recovering from natural attenuation to the output power state. Output load current is applied to fast frequency tracking, thus the phase-locked loop (PLL) has enough time to lock the phase, and when the load current is dropping to a very small value, that is, entering into a natural attenuation state, the sample and hold (S/H) circuit in modified phase-locked loop (MPLL) ensures power inverter operating in the vicinity of resonant frequency. The corresponding simulation experiments are carried out through Matlab/Simulink, and pulse-symmetrical modulation is chosen for power modulation, which can decrease attenuation of output current and ensure the inverter circuit working at zero current switching (ZCS) state and zero voltage switching (ZVS) state. |
| format | Article |
| id | doaj-art-1621af5bbc284c429a07f35ed2f3a322 |
| institution | Kabale University |
| issn | 2096-5427 |
| language | zho |
| publishDate | 2012-01-01 |
| publisher | Editorial Office of Control and Information Technology |
| record_format | Article |
| series | Kongzhi Yu Xinxi Jishu |
| spelling | doaj-art-1621af5bbc284c429a07f35ed2f3a3222025-08-25T06:56:00ZzhoEditorial Office of Control and Information TechnologyKongzhi Yu Xinxi Jishu2096-54272012-01-0129232682336226Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density ModulationZHU HuiPENG YonglongLU ZhibinLI YabinIt presents an improved frequency tracking control strategy aiming to the problems of conventional pulse density modulation for induction heating power supply in output power with level and operating frequency re-locking as recovering from natural attenuation to the output power state. Output load current is applied to fast frequency tracking, thus the phase-locked loop (PLL) has enough time to lock the phase, and when the load current is dropping to a very small value, that is, entering into a natural attenuation state, the sample and hold (S/H) circuit in modified phase-locked loop (MPLL) ensures power inverter operating in the vicinity of resonant frequency. The corresponding simulation experiments are carried out through Matlab/Simulink, and pulse-symmetrical modulation is chosen for power modulation, which can decrease attenuation of output current and ensure the inverter circuit working at zero current switching (ZCS) state and zero voltage switching (ZVS) state.http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2095-3631.2012.04.009resonant inverterpulse-symmetrical modulationfrequency tracking controlmodified phased-locked loop |
| spellingShingle | ZHU Hui PENG Yonglong LU Zhibin LI Yabin Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation Kongzhi Yu Xinxi Jishu resonant inverter pulse-symmetrical modulation frequency tracking control modified phased-locked loop |
| title | Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation |
| title_full | Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation |
| title_fullStr | Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation |
| title_full_unstemmed | Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation |
| title_short | Frequency Tracking Control Strategy for Resonant Inverter Based on Pulse Density Modulation |
| title_sort | frequency tracking control strategy for resonant inverter based on pulse density modulation |
| topic | resonant inverter pulse-symmetrical modulation frequency tracking control modified phased-locked loop |
| url | http://ctet.csrzic.com/thesisDetails#10.13889/j.issn.2095-3631.2012.04.009 |
| work_keys_str_mv | AT zhuhui frequencytrackingcontrolstrategyforresonantinverterbasedonpulsedensitymodulation AT pengyonglong frequencytrackingcontrolstrategyforresonantinverterbasedonpulsedensitymodulation AT luzhibin frequencytrackingcontrolstrategyforresonantinverterbasedonpulsedensitymodulation AT liyabin frequencytrackingcontrolstrategyforresonantinverterbasedonpulsedensitymodulation |