After spending a few months bonding with my Nokia N85, I now feel comfortable providing a follow-up review of the phone. It’s good news: the honeymoon is not over. Overall I am impressed with the …

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 …

This article covers chapter 5 of my dissertation.
    - Single-Phase Grid Connected Control
    – Direct Digital Synthesis
    - All Digital Phase-Lock Loop
    - Software and Hardware in the Loop Experiments
    – Rapid Control Prototypes and System Products
 G. Pitel, “Fast …

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 …

In an effort to make my life easier I decided to put PitelSPOT on its own dedicated server. In the past, all my web applications were run from my workstation, which has obvious disadvantages. …

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 …

Battery Selection
Battery life is often measured by cycle life, the number of full charge/discharge cycles before the battery reaches 80% of its original capacity. Keeping the discharge current relative to the battery’s amp×hour capacity low …

If you are reading this post, you probably are experiencing decreased range and speed on your Go-Ped electric scooter. I too have experienced these problems, but I am going to share some solutions I came …

There are many ways to measure a dc-dc converter’s inductor current for use in control. Direct-current resistance (DCR) is one low loss and cost method for measuring this current, it consists of a series RC …

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 …