An overview of recent developments in the theory of observers is presented, together with a simple design method that casts the problem in the form of a full order observer. Examples of observer performance are presented which are representative and suitable as demonstrations on small analog or hybrid computers. (Author/MH)

Simulating Alternative Futures in Education (SAFE) is a simulation game dealing with the future of education from 1975 to 2024 and beyond. It is computerized on an APL direct-interaction system and can be played at any location over telephone lines. It takes approximately 1.8 hours of computer time to play, with 5 to 9 hours of preparation, and…

A computer project in the area of equivalent viscous damping is described. The concept of equivalent viscous damping is applied to a single-degree-of-freedom system with velocity-squared damping. Comparison of the analytical results with an analog computer solution shows that the concept gives accurate results for the amplitude and phase of the…

The Computerized Decision Development System (DEDEV) is designed to foster decision-making competency in individuals through a two stage process: (1) providing information about scientific decision-making, and (2) providing experience with use of information in "meaty" problems by computerized gaming and simulation. This manual presents the 14…