NASA NTRS · 19870000192
Microprocessor-Based Valved Controller
Abstract
New controller simpler, more precise, and lighter than predecessors. Mass-flow controller compensates for changing supply pressure and temperature such as occurs when gas-supply tank becomes depleted. By periodically updating calculation of mass-flow rate, controller determines correct new position for valve and keeps mass-flow rate nearly constant.
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Norman, Arnold M., Jr.. 1987-04-01. Microprocessor-Based Valved Controller. https://ntrs.nasa.gov/citations/19870000192
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