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From: Lee D. <le...@ea...> - 2006-04-13 16:46:13
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Something important I forgot to mention is where you connect the output of the autopilot makes a great deal of difference in how much work is involved in designing the autopilot. If you're feeding into a control system (ideally just downstream from any pilot command shaping) you can get away without having to deal with the changes in the vehicle characteristics throughout the flight envelope. If you're feeding surface commands directly, you need to worry about all sorts of messy details. Lee |