System and method for controlling a single-spool turboshaft engine
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United States of America Patent
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Oct 22, 2013
Grant Date -
Aug 25, 2011
app pub date -
Feb 23, 2011
filing date -
Feb 23, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A controller receives a power-level command representative of a level of power to be transmitted by a single-spool turboshaft engine to a controllable load. A torque command determined responsive to a measure of inlet pressure, from a control schedule responsive to the power-level command, is representative of a level of torque to be transmitted by an element to drive the controllable load. Under some operating conditions, a rotational speed command provides for at least nearly minimizing a measure of associated fuel consumption when the transmitted torque is regulated to the level corresponding to the torque command by controlling one of the controllable load and a fuel flow to the engine, and the other of the controllable load and the fuel flow to the engine is controlled so as to regulate an associated rotational speed to a level corresponding to the rotational speed command.
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International Classification(s)
- F02K:JET-PROPULSION PLANTS
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- F04D:NON-POSITIVE-DISPLACEMENT PUMPS
- F02C:GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION....
- G06G:ANALOGUE COMPUTERS
- F01B:MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DIS....
- F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....
- F02G:HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEME....
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