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Encoder-decoder des...
Encoder-decoder design for event-triggered feedback control over bandlimited channels
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- Bao, Lei (författare)
- KTH,Kommunikationsteori,ACCESS Linnaeus Centre
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- Skoglund, Mikael (författare)
- KTH,Kommunikationsteori,ACCESS Linnaeus Centre
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- Johansson, Karl Henrik (författare)
- KTH,Reglerteknik,ACCESS Linnaeus Centre
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(creator_code:org_t)
- IEEE, 2006
- 2006
- Engelska.
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Ingår i: 2006 American Control Conference. - : IEEE. - 1424402093 ; , s. 4183-4188
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Abstract
Ämnesord
Stäng
- Bandwidth limitations and energy constraints set severe restrictions on the design of control systems that utilize wireless sensor and actuator networks. It is common in these systems that a sensor node needs not be continuously monitored, but communicates to the controller only at certain instances when it detects a disturbance event. In this paper, such a scenario is studied and particular emphasis is on efficient utilization of the shared communication resources. Encoder-decoder design for an event-based control system with the plant affected by pulse disturbances is considered. A new iterative procedure is proposed which can jointly optimize encoder-decoder pairs for a certainty equivalent controller. The goal is to minimize a design criterion, in particular, a linear quadratic cost over a finite horizon. The algorithm leads to a feasible design of time-varying non-uniform encoder-decoder pairs. Numerical results demonstrate significant improvements in performance compared to a system using uniform quantization.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Nyckelord
- Actuators
- Bandwidth
- Communication system control
- Control systems
- Costs
- Event detection
- Feedback control
- Monitoring
- Sensor systems
- Wireless sensor networks
- Automatic control
- Reglerteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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