Tolerance & Time margin
نویسندگان
چکیده
منابع مشابه
The Delay Margin of Dead-time Compensators
Dead-time compensators (DTCs) are frequently regarded as being excessively sensitive to uncertainty in the loop delay. This claim, however, is based mostly on empirical studies rather than on any rigorous analysis. In particular, despite existing literature on the calculation of the delay margin, μd, there appears to be no study of the underlying reasons of such a sensitivity. In this paper we ...
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Adaptive control has the potential to improve performance and reliability in aircraft systems. Implementation of adaptive control on commercial and military aircraft requires verification and validation of the control system’s robustness to modeling error, uncertainty, and time delay. Currently, there is a lack of tools available to rigorously analyze the robustness of adaptive controllers due ...
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Real-time control algorithms are designed based on the characteristics of the controlled plants and they require good performance without delays. However, digital control implementation typically introduces delays and jitters due to insufficient CPU processing power and the limitations of the real-time scheduling method used. This can degrade the system performance or even make it unstable. In ...
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In radiotherapy, abdominal and thoracic sites are candidates for performing motion tracking. With real-time control it is possible to adjust the multileaf collimator (MLC) position to the target position. However, positions are not perfectly matched and position errors arise from system delays and complicated response of the electromechanic MLC system. Although, it is possible to compensate par...
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Adaptive control has the potential to improve performance and reliability in aircraft. Implementation of adaptive control on commercial and military aircraft requires verification and validation of the control system’s robustness to modeling error, uncertainty, and time delay. Currently, there is a lack of tools available to rigorously analyze the robustness of adaptive controllers due to their...
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ژورنال
عنوان ژورنال: Procedia CIRP
سال: 2020
ISSN: 2212-8271
DOI: 10.1016/j.procir.2020.04.139