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The application of digital onboard computers for flight control of high-performance aerospace vehicles is desirable, with respect to hardware effort and reliability, as well as operational flexibility. Up to now, digital computers have not been used for the control of short periodic angular oscillations. This task can be solved with the capability of digital computers now available. A good vehicle for the realization of appropriate control equations is the ?frequency transformation?. Using the simplified dynamics of a supersonic aircraft as an example, a procedure for synthesis of a digital control filter is presented. After a first evaluation in the s domain, the design is checked for validity in the frequency domain. If necessary, the original design is corrected appropriately. 相似文献
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