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bulletDigital Servo Systems Course
 
bullet A Simple Software Lowpass Filter Suits Embedded -System Applications
 
bullet Enhance your Signal Processing Toolbox with Complex Notation

 

Digital Servo Systems Course

This is a course for the practicing engineer who needs to implement a digital servo, but is not an expert in either control theory nor Digital Signal Processing (DSP). The course contains material from both control theory and DSP, as well as numerous worked examples.

The course emphasizes:

  1. Metrics for servo system performance: Stability, time domain response, steady-state error, and loop bandwidth.
  2. Prototype servo design using analog techniques.
  3. Digital design using the method of backwards differences.
  4. Analog and digital design examples.

Barry has taught this course at both large and small corporations as well as the Oceans 2003 conference presented by Scripps Institute of Oceanography, UCSD, and the IEEE. HE also teaches the course in conjunction with the local Texas Instruments DSP marketing engineers.

View  Digital Servo Systems

 

A Simple Software Lowpass Filter Suits Embedded -System Applications

Electronic Design News Magazine, May 25, 2006

You can build a useful digital filter even if your microprocessor doesn't have a multiply instruction. This article shows how to do it using just a couple of lines of fixed point C code.

View A Simple Software Lowpass Filter Suits Embedded -System Applications

 

Enhance your Signal Processing Toolbox with Complex Notation

Embedded Computing Magazine - March 2005

Complex exponentials, negative frequencies and the like can be intimidating, but in reality they are powerful engineering tools. This tutorial explains the basics of complex notation and then reinforces the basics with useful examples. This article was targeted at the embedded systems engineer or student who finds himself doing signal processing.

View Complex Number Tutorial.PDF