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In this article we analyze the motion of a test particle of a planar, circular, restricted three-body problem in resonance, using the Kustaanheimo-Stiefel formalism. We show that a good qualitative description of the motion can be reduced to three simple equations for semi-major axis, eccentricity and resonance angle. Studying these equations reveals the onset of chaos, and sheds a new light on its weak nature. The 7:4 resonance is used as an example.
This paper describes how the power
efficiency of fully integrated Dickson charge pumps in high- voltage IC technologies
can be improved considerably by implementing charge recycling techniques, by
replacing the normal PN junction diodes by pulse-driven active diodes, and by
choosing an appropriate advanced smart power IC technology. A detailed analysis
reveals that the combination of these 3 methods more than doubles the power
efficiency compared to traditional Dickson charge pump designs.