A New Nonlinear Control Strategy for DC/AC Inverter

Kun Mu; Xiao Bin Mu; Xue Yu Bao

doi:10.4028/www.scientific.net/AMR.466-467.829

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 466-467A New Nonlinear Control Strategy for DC/AC...

A New Nonlinear Control Strategy for DC/AC Inverter

Abstract:

The mathematical model of Three-phase VoltagePulse Width Modulation (PWM) DC/AC inverter is non-linear, in view of the traditional linear control strategy can not meet the requirements of designing high-performance DC/AC inverter, this paper propose a new nonlinear control strategy for Three-phase Voltage PWM DC/AC inverter called Passivity-based Control. We can alter the inverter model in three-phase abc coordinate to two-phase synchronous rotating dq coordinate for establishing the Euler – Lagrange (EL) energy model for this system, then we also proof this system is strictly passive. We can control the output energy of the system, and we use the approaches of injecting damping and decoupling to improve system performance. Usually, we can use Single Chip Microcomputer or other kinds of computer with this algorithm for our design, this algorithm can be programmed with the computer language, such as C/C++ and assembly language, etc. Simulation results show that passivity-based control method can make this system possess the high-performance of robustness and dynamic.

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Periodical:

Advanced Materials Research (Volumes 466-467)

Pages:

829-833

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.466-467.829

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Online since:

February 2012

Authors:

Kun Mu, Xiao Bin Mu, Xue Yu Bao

Keywords:

Computer Language, DC/AC Inverter, Injecting Damping, Passivity-Based Control

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References

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