The development and testing of a fluidic/pneumatic position servo
This thesis reviews the design and analysis of a fluidic pneumatic position servo. Rolling diaphragm piston actuators are used for the system drive, and a hydrostatic gas journal bearing is used as the position sensor. The servo has a 1 inch range which is monitored using an electrical capacitive po...
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1977
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ndltd-pdx.edu-oai-pdxscholar.library.pdx.edu-open_access_etds-39202019-10-20T04:46:24Z The development and testing of a fluidic/pneumatic position servo Portin, David Lyle This thesis reviews the design and analysis of a fluidic pneumatic position servo. Rolling diaphragm piston actuators are used for the system drive, and a hydrostatic gas journal bearing is used as the position sensor. The servo has a 1 inch range which is monitored using an electrical capacitive position transducer that was built as an integral part of the system. Open-loop frequency response testing provides the basis for a mathematical model of the system. The servo response is linear at frequencies up to 3 Hertz. The frequency response appeared to be limited by the design of the gas bearing sensor, and it is felt that an order of magnitude improvement could result from an improved design. 1977-01-01T08:00:00Z text application/pdf https://pdxscholar.library.pdx.edu/open_access_etds/2911 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=3920&context=open_access_etds Dissertations and Theses PDXScholar Hydraulic servomechanisms Applied Mechanics |
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Others
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Hydraulic servomechanisms Applied Mechanics |
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Hydraulic servomechanisms Applied Mechanics Portin, David Lyle The development and testing of a fluidic/pneumatic position servo |
| description |
This thesis reviews the design and analysis of a fluidic pneumatic position servo. Rolling diaphragm piston actuators are used for the system drive, and a hydrostatic gas journal bearing is used as the position sensor. The servo has a 1 inch range which is monitored using an electrical capacitive position transducer that was built as an integral part of the system.
Open-loop frequency response testing provides the basis for a mathematical model of the system.
The servo response is linear at frequencies up to 3 Hertz.
The frequency response appeared to be limited by the design of the gas bearing sensor, and it is felt that an order of magnitude improvement could result from an improved design. |
| author |
Portin, David Lyle |
| author_facet |
Portin, David Lyle |
| author_sort |
Portin, David Lyle |
| title |
The development and testing of a fluidic/pneumatic position servo |
| title_short |
The development and testing of a fluidic/pneumatic position servo |
| title_full |
The development and testing of a fluidic/pneumatic position servo |
| title_fullStr |
The development and testing of a fluidic/pneumatic position servo |
| title_full_unstemmed |
The development and testing of a fluidic/pneumatic position servo |
| title_sort |
development and testing of a fluidic/pneumatic position servo |
| publisher |
PDXScholar |
| publishDate |
1977 |
| url |
https://pdxscholar.library.pdx.edu/open_access_etds/2911 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=3920&context=open_access_etds |
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AT portindavidlyle thedevelopmentandtestingofafluidicpneumaticpositionservo AT portindavidlyle developmentandtestingofafluidicpneumaticpositionservo |
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