Rate-cost tradeoffs in continuous-time control with a biomolecular application
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918170052263936 |
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| author | Nakahira, Yorie Xiao, Fangzhou Kostina, Victoria Doyle, John C. |
| author_facet | Nakahira, Yorie Xiao, Fangzhou Kostina, Victoria Doyle, John C. |
| contents | This paper focuses on rate-limited control of the generalized Ornstein-Uhlenbeck process where the control action can be either multiplicative or additive, and the noise variance can depend on the control action. We derive a lower bound on the data rate necessary to achieve the desired control cost. The lower bound is attained with equality if the control is performed via an additive white Gaussian channel. The system model approximates the dynamics of a discrete-state molecular birth-death process, and the result has direct implications on the control of a biomolecular system via chemical reactions, where the multiplicative control corresponds to the degradation rate, the additive control corresponds to the production rate, and the control objective is to decrease the fluctuations of the controlled molecular species around their desired concentration levels. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_21612 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Rate-cost tradeoffs in continuous-time control with a biomolecular application Nakahira, Yorie Xiao, Fangzhou Kostina, Victoria Doyle, John C. Systems and Control Information Theory Optimization and Control This paper focuses on rate-limited control of the generalized Ornstein-Uhlenbeck process where the control action can be either multiplicative or additive, and the noise variance can depend on the control action. We derive a lower bound on the data rate necessary to achieve the desired control cost. The lower bound is attained with equality if the control is performed via an additive white Gaussian channel. The system model approximates the dynamics of a discrete-state molecular birth-death process, and the result has direct implications on the control of a biomolecular system via chemical reactions, where the multiplicative control corresponds to the degradation rate, the additive control corresponds to the production rate, and the control objective is to decrease the fluctuations of the controlled molecular species around their desired concentration levels. |
| title | Rate-cost tradeoffs in continuous-time control with a biomolecular application |
| topic | Systems and Control Information Theory Optimization and Control |
| url | https://arxiv.org/abs/2510.21612 |