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Showing 1 to 3 of 3 for “"on/off valve"”.
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Achieving Efficient Control of Hydraulic Systems Using On/Off Valves
Hydraulic systems offer a range of benefits, such as high power density, ruggedness, linear actuation, and low cost, which have led to the use of hydraulic actuation systems throughout a wide range of industries. However, they also typically suffer from lower efficiency than competing methods of …
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High Speed Rotary PWM On/Off Valves for Digital Control of Hydraulic Pumps and Motors
The research described in this dissertation focuses on the development of innovative on/off valves for high performance, high efficiency control of fixed displacement hydraulic pumps and motors. On/off valves, the hydro-mechanical equivalent of transistors, enable the application of digital control …
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Design and control of components-based integrated servo pneumatic drives
On-off traditional pneumatic drives are most widely used in industry offering low-cost, simple but flexible mechanical operation and relatively high power to weight ratio. For a period of decade from mid 1980's to 1990's, some initiatives were made to develop servo pneumatic drives for most …