Steve. et. al., I too would like the results from this question. In my literature reviews I have found relevant papers scattered about in journals such as ASME Dynamics & Controls, and application specific publications such as automotive journals, (SAE), and of course, SPIE journals. Brent Nowak ************************************************************************* * Brent M. Nowak * University of Texas at Austin * Robotics Research Group * Actuator Development & Evaluation Group Lead * * Mail Address: * Pickle Research Campus * Microelectronics & Engineering Building, #160 * Mailcode # R9925 * Austin, Texas 78712-1100 * Office: (512) 471-6825 * Fax: (512) 471-3987 * email: bmnowak@mail.utexas.edu Home: (512) 343-1215 *************************************************************************