DUAL-LOOP CONTROL SYSTEMS AND METHODS FOR A SEQUENTIAL TURBOCHARGER
A system for a sequential turbocharger includes a loop control module, a set-point module, and a loop operation module. The loop control module generates a loop control mode signal based on an engine speed signal and an engine load signal. The loop control mode signal indicates one of a single-loop...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
19.05.2011
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Subjects | |
Online Access | Get full text |
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Summary: | A system for a sequential turbocharger includes a loop control module, a set-point module, and a loop operation module. The loop control module generates a loop control mode signal based on an engine speed signal and an engine load signal. The loop control mode signal indicates one of a single-loop control mode and a dual-loop control mode. The set-point selection module determines at least one of a boost pressure set-point value and an exhaust pressure set-point value based on the loop control mode signal, the engine speed signal, and an engine torque signal. The loop operation module operates at least one of a variable geometry turbine and a bypass valve of the sequential turbocharger during the single-loop control mode based on the boost pressure set-point value, and during the dual-loop control mode based on the boost pressure set-point value and the exhaust pressure set-point value. |
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Bibliography: | Application Number: US20090621808 |