Circuit Cellar Ink 75
October 1996

Table of Contents

2 Janice Marinelli	Task Manager Blowing Candles
6	Reader I/O Letters to the Editor
8 Harv Weiner	New Product News
12 Chris Sakkas	An Introduction to Fuzzy Logic Chris sets the stage for this issue with a clear informative intro to fuzzy logic. In his opinion, fuzzy logic promises to add control to systems that have been difficult to model using a clasical set theory.
16 Constantin von Altrock	Practical Fuzzy-Logic Design The Fuzzy-Logic Advantage In this article, Constantin shows us a situation where fuzzy logic solves a problem that traditional logic cannot. His intention is not to replace conventional techniques, however, just extend them.
22 Constantin von Altrock	A Fuzzy-Logic Thermostat It's easy to think that the old way is good enough, especially for everyday controls. But, Constantin shows us otherwise. A fuzzy-logic AC controller uses several variables to bring greater comfort at less cost. Download: FTDEMO50.EXE Note: FTDEMO50.EXE is 4.6 MB
28 David Prutchi	Designing Medical Electronic-Device Prototypes Part 2: Testing for Electrical Safety In getting medical devices to the point where they can be declared safe, there are specific tests that must be run. David gives us some step-by-step insight into what should be done and how.
38 David Rector	Getting Started with Xilinx EPLDs Part 2: Hands-On Project -- Concept and Design This article picks up where Conrad Hubert left off in his introduction of EPLDs last month. David brings EPLDs down to earth by giving us hands-on programming tips. Listen up for details. Download: AILCODE.ZIP
48 Ed Nisley	Firmware Furnace Tuning Up: Part 3: Zerobeat Power With this article, Ed looks after Zerobeat's final issues -- detecting power failures, preserving the processor's internal RAM, and calibrating the analog parts. With this final step, we'll all be in sync and ready for communication.
54 Jeff Bachiochi	From the Bench Just One Mile More: Creating a PIC-based Pedometer Exercise is a must for desk jockeys, so Jeff is an avid jogger. This month, he designs a pedometer that uses Micromint's PicStic to keep him informed of his progress.
58 Tom Cantrell	Silicon Update Stop Me Before I Crash Again Tom doesn't trust built-in watch-dogs. If the code for the chip goes down, what stops the code for the timer and interrupt from being bad too? TelCom, that's who. Come check out their supervisory controllers.
Embedded PC 64 Harv Weiner	Nouveau PC
Embedded PC 69 Naren Nachiappan	Embedded PCs Go Industrial Part 1: PCs and Automation With lower costs and increased complexity, embedded PCs offer more modular and open solutions to industrial automation. Naren shows us how one company made the switch to a PC-based environment.
Embedded PC 73 Mike Baylis	Embedding QNX in Flash Want to do real-time data acquisition with a remote diskless embedded PC? If so, check out what Mike has to say about embedding a real-time operating system in flash. In might be just what the doctor ordered.
Embedded PC 79 Rick Lehrbaum	PC/104 Quarter Where No '104 Module has Gone Before: The Advent of PCI-PC/104 By far, the ISA bus has been the most stagnant aspect to PC evolution. While CPU speed integration, and real estate have progressed, ISA with all its problems has remained a bottleneck. With PCI, PC buses take a leap ahead.
Embedded PC 85 Fred Eady	Applied PCs The Black Art of Embedded Peripherals Fred brews a pot of embedded-PC peripherals, and we're invited to the feast. He uses Intel's ApBuilder and RadiSys's EXPLR1 to demonstrate the rich set of on-chip peripherals in Intel's '386EX.
81	Advertiser's Index
91 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
96 Steve Ciarcia	Priority Interrupt The Radical Fringe

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