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- Nora Sandu, Bernhard Schaller, Belachew Degefe Arasho, Michael Orabi
- Expert review of neurotherapeutics
- 2011

The Wallis interspinous implant is most commonly used in the treatment of intervertebral disc herniation and for tears in the outer layer of the disc. The dynamic vertebral fixation concept was firstâ€¦ (More)

The angular motion of a few-body system is described with global vectors which depend on the positions of the particles. The previous study using a single global vector is extended to make itâ€¦ (More)

- S. C. Wong, C. K. Tse, Michael Orabi, Tamotsu Ninomiya
- 2004 IEEE 35th Annual Power Electronicsâ€¦
- 2004

This paper describes the modeling of power-factor-correction converters under average-current-mode control. The approach employs a double averaging procedure, which first applies the usual averagingâ€¦ (More)

- Michael Orabi, M. Z. Youssef, P R Jain
- Canadian Conference on Electrical and Computerâ€¦
- 2004

To realize a reliable system, a wind turbine must be connected to the utility grid. The squirrel-cage induction generator is a common choice for wind applications. An AC/DC/AC converter is used as anâ€¦ (More)

- Michael Orabi, Tamotsu Ninomiya
- Nineteenth Annual IEEE Applied Power Electronicsâ€¦
- 2004

Although two-Stage PFC converter has nonlinear nature of behavior, linear models are implemented through design process. Recently, low frequency instability has been detected in the two-stage PFCâ€¦ (More)

- Michael Orabi, Tamotsu Ninomiya
- 2004 IEEE International Symposium on Industrialâ€¦
- 2004

In this paper, the analysis of the induction generator connected to utility grid during grid separation is introduced. A simple equivalent circuit is proposed to represent the AC/DC/AC converterâ€¦ (More)

- Michael Orabi, Tamotsu Ninomiya
- The 2004 47th Midwest Symposium on Circuits andâ€¦
- 2004

This paper is concerned with the study of bifurcation behavior of two-stage power-factor-correction (PFC) converter as an example of switching power converter. Two-stage PFC circuit is a nonlinearâ€¦ (More)

- Michael Orabi, Tamotsu Ninomiya
- INTELEC 2004. 26th Annual Internationalâ€¦
- 2004

Power-factor-correction (PFC) boost converter is the common choice for a pure sinusoidal current with a near unity power factor. The dynamics of PFC converter can be periodic with line frequency orâ€¦ (More)

- Michael Orabi, Tamotsu Ninomiya, Y. Imai, Hideki Nakagome
- 2004 IEEE 35th Annual Power Electronicsâ€¦
- 2004

Preregulator power-factor-correction is one of the most widely used power converter nowadays. There are many reasons for that. The input current waveform is sinusoidal and hence, the injection ofâ€¦ (More)

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