Research on the Measurement and Control Technology of Controllable Alternating Magnetic Field Generator to Magnetized Breed

Guo Wen Hu; Li Sheng Zhang; Lin Wang; Yin Jie Wang

doi:10.4028/www.scientific.net/AMM.303-306.601

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Research on the Measurement and Control Technology...

Research on the Measurement and Control Technology of Controllable Alternating Magnetic Field Generator to Magnetized Breed

Abstract:

Controlled and alternating induction magnetic field generation device which induces plant seeds to breed on floor space has been developed. The incentive ferrite induction coil is used in the device to produce induced magnetic field. The common AC-DC-AC topology was adopted for the variable frequency power supply, and AC power inverter circuit adopts SPWM inverter frequency modulation and voltage regulation mode, realizing the sinusoidal VVF. In order to improve the conversion efficiency of system electrical energy to magnetic energy, the RLC series resonant circuit is chosen in the circuit of output magnetic field. Measurement and control system using DSP microcomputer measurement and control technology and digital PID control method. The frequency and intensity of inductive magnetic field in the air gap changes as the changes of current intensity in coils. The experimental study of rice seeds shows that test result is obviously better than traditional biological magnetization induced breeding technique of fixed magnetic poles.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

601-606

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.601

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Online since:

February 2013

Authors:

Guo Wen Hu, Li Sheng Zhang, Lin Wang, Yin Jie Wang

Keywords:

Biological Magnetized, Controllable Alternating Magnetic Field, Measurement and Control System, Plant Breeding

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References

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