A brief overview of research in Jean-Claude Bradley's laboratory at Drexel University, including the synthesis of anti-malarial compounds and some screenshots of the Open Notebook Science project UsefulChem.

Hardware demonstration and explanation of an inverted pendulum, stabilized by two independently controlled reaction wheels connected to DC motors. Made as part of a master's thesis at the System and Identification and Control Laboratory at the University of California, San Diego.

Crystal structure determination for IUMSC sample 07100
D. Mindiola, D. Adhikari, A. Fout, M. Pink
Indiana University Chemistry Department, Bloomington IN

A great Fog Screen, found in WWW

This video shows an experiment involving a mobile robot, an IR-camera vision system, and a wireless network. The robot queries the vision system for position information. The robot uses this position information to simulate a potential function in its environment. The hybrid controller uses these measurements in a coordination of vehicle steering and an optimization algorithm to drive the vehicle to the minimum of the function (shown as a blue 'x').

Using hybrid control a two link planar robot, called the pendubot, is stabilized to its upright equilibrium from any initial condition despite large disturbances in a robust globally asymptotic fashion. This video shows the pendubot being stabilized from a few different positions. The current controller being applied to the pendubot is indicated by variable q. When q is positive an open-loop control effort is being applied to move the pendubot from one equilibrium point to another...