Archive for the 'Personal' Category

Sheryl and I painted a his (blue) and hers (red) Z-Scale trucks.  The size and printing capabilities were previously covered in Part 1. The models were washed in a soapy bath before painting.  The plastic were not primed beforehand, but we plan to spray with white primer coat the next go around. The 3d printing [...]

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A couple weeks ago we visited a local hobby shop called Penn Valley Hobby Center  in Lansdale, PA.  Walking around the aisles flooded me with memories of my youth gluing together plastic models and rockets.  The shop specialized mostly in trains and they carried a size called N-Scale (1:148) which is the smallest I have ever seen. [...]

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Revenge of the permalink errors.  A had a similar problem happen when I upgraded to 2.7.1, which I posted about here. Downgrading to WordPress2.7.1 was really simple: Download the previous version. Drag the files into your WordPress installation directory. Log-in into the admin menu. WordPress will request to automatically update your database. Agree to the [...]

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Good news, my transactions was accepted–which means I can start letting dissertation chapters  trickle out into Internet land. Enjoy. This article covers chapters 1 and 2 of my disstertation. These chapters cover: – Dissertation Introduction – Voltage Source Buck Converter Modeling – Boost Converter Modeling – Voltage Source Inverter Modeling G. Pitel, “Fast power converters [...]

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I decided to post my University of Illinois doctorate dissertation. If you have questions, please leave a comment below so we can have open discussions. This dissertation applies large-signal and time-domain models along with digital control to achieve fast control performance and to quickly test/design multi-block power controllers. Fast controls are needed for motherboard level [...]

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Of the various people who know me, I doubt very many met Murphy. Which is a shame. Murphy passed away today, after spending nearly 14 years with our family. Murphy is special for many reasons. He was our family’s first dog. He was such a nice dog, especially in his senior years. But I like [...]

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Ever since staying at the W Hotel in NYC, I’ve wanted to grow the grass that they have throughout their lobby. The grass is very green and I figured it would make a great desk/office plant. However, determining what type of grass it is has been quite difficult. I ended up buying organic barley grass [...]

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About six or seven year ago, Grant and I went in on a few seed packs from eBay to grow bonsai plants.  Among these was the rare African (Adansonia) Baobab, which is apprently pretty hard to germinate.  The Baobab tree is known for its excessively large swollen trunks used to store water for 9 months of the year. This [...]

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The prices on front-projectors have dropped to levels where they are comparable to rear-projectors and other display technologies.  Office projectors offer a low-cost alternative to the high-end home-theater projectors and provide sufficient color accuracy and usually brighter picture. The problem that deters many buyers from front and rear-projector systems is bulb life, which is typically 2000 [...]

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I have long despised squirrels, but until recently it was an illogical dislike unsubstantiated by any squirrel-related experience. Now I have a reason. Let me explain. Most days we drive to work, and until about a week ago, we paid forty dollars a month to park in a lot close to campus,  owned by the Illinois [...]

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