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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yufeng Li |
| Copyright Year | 2005 |
| Description | Author affiliation: VIASYS HealthCare, Yorba Linda, CA, USA (Yufeng Li) |
| Abstract | In the design of a flow servo for critical care ventilator systems, control engineers are often troubled by unwanted oscillations or instability problems since these devices are typically operated under a wide variation conditions. Without knowing the dynamic behavior and its fundamental limitations of the flow control unit in ventilators, even ad-hoc extensions to standard PI control, as usually done in practice, is not able to solve all the problems and satisfy the overall performance required. In this paper, through analytical modeling and experimental identification, the root of the control problem is investigated by analyzing the dynamics of the flow control unit. Here the so called flow control unit includes a type of solenoid operated flow control valve and its exit manifold. A controller is designed by using model linearization methods, and the fundamental control limitation of the flow control unit is examined. |
| Sponsorship | American Automatic Control Council |
| Starting Page | 2181 |
| Ending Page | 2186 |
| File Size | 290394 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780390989 |
| ISSN | 07431619 |
| e-ISBN | 0780390997 |
| DOI | 10.1109/ACC.2005.1470292 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-08 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Control systems Valves Servomechanisms Solenoids Ventilation Design engineering Systems engineering and theory Pi control Analytical models Magnetic circuits |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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