Monthly Archives: October 2012

JSim – Queue Simulator

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JSim is a Java-based discrete event simulator of an M/M/s queue system. The source includes a library of classes that can be used to modify the application to simulate other types of queue systems as well. JSim source files can be downloaded from Github. A brief description of the main… Read more »

Processing Game

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Thomas Schelling showed, in 1971, that a small preference for one’s neighbors to be of the same race could lead to total segregation. This model is used as an example to show how such individual behaviour can bring about such undesirable social conventions without the need for evil master plan… Read more »

Arduino robot kit – Motor library

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Once the motors were connected to the motor controller (see previous post), I started working on writing the code for basic robot movement. The basic motor commands are: onFwd/onRev: move each motor independently in the forward or reverse direction off/stop: stop either motor gradually (float) or abruptly (break) fwdRight/fwdLeft: turn the robot by running the two… Read more »

What is Ad Hoc Node?

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An ad hoc node refers to a device in a wireless ad hoc network. Ad hoc networks (or more accurately, mobile, multi-hop, wireless networks) are a class of networks that does not depend on any central administration or infrastructure in its operations. Unlike wired networks, an ad hoc network could… Read more »