Hybrid Computer Systems [Guest editorial]
نویسنده
چکیده
Today's increasing emphasis on simulation of continuous dynamic systems lends a special significance to this issue of Computer. Hybrid computers, with their tremendous computing speed resulting from the all-parallel configuration of their analog subsystem, are particularly suited for dynamic system simulation. Indeed, back in the 1950's analog computers were the only game in town when it came to real-time simulation of flight vehicles. Digital computers of that era were simply too slow in the numerical solution of differential equations. The first generation of hybrid computer systems appeared in the 1960's, when digital computers were combined with analog computers. Digital computers provided storage and logic capability along with increased arithmetic power and precision to augment the continuous integration capability and speed of analog computers. The resulting hybrid computers were capable of expanded realtime operation and even permitted faster-than-realtime simulation of dynamic systems-a highly desirable feature allowing cost-effective iterative solutions of optimization problems, partial differential equations, and dynamic stochastic problems. As secondand third-generation hybrid computer systems have evolved, the digital computer has been used more and more for high-speed setup
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عنوان ژورنال:
- IEEE Computer
دوره 9 شماره
صفحات -
تاریخ انتشار 1976