An Information Space View of Time: From Clocks to Open-Loop ControlReport as inadecuate


An Information Space View of Time: From Clocks to Open-Loop Control


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This paper addresses the peculiar treatment that time receiveswhen studying control systems. For example, why is the ability toperfectly observe time assumed implicitly in virtually all control formulations?What happens if this implicit assumption is violated? It turnsout that some basic control results fall apart when time cannot be perfectlymeasured. To make this explicit, we introduce information spaceconcepts that permit imperfect time information to be considered in thesame way as imperfect state information. We then argue that classicalopen-loop control should be reconsidered as perfect time-feedback control.Following this, we introduce a notion of strongly open-loop control,which does not require perfect time observations. We provide some examplesof these concepts and argue that many fascinating directions forfuture controls research emerge.



Georgia Robotics and InTelligent Systems Laboratory GRITS - Georgia Robotics and InTelligent Systems Laboratory GRITS Publications -



Author: LaValle, Steven M. - Egerstedt, Magnus B. - -

Source: https://smartech.gatech.edu/







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