A new design method for mode transition control law of variable cycle engine

Wang Hao, Zhanxue Wang, Xiaobo Zhang, Mingyang Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

12 Scopus citations

Abstract

Both the polar moment of inertia and volume dynamics of variable cycle engine were considered, the transition-state numerical simulation system for VCE is established. A new mode transition method with a ladder-type variation of thrust is proposed. The ladder-type mode transition method isolates the thrust variation from the traditional mode transition process The VCE thrust is kept constant during mode transition, making it easy to get smooth mode transition. Differential evolution algorithm is used to design the mode transition control law. Based on the designed mode transition control law, the transient simulation of mode transition performance is conducted. The result shows that the designed control law basically realizes the ladder-type mode transition. The parameters change smoothly throughout the entire mode transition process. Thrust changes dramatically with minor change in specific fuel consumption. The inlet mass flow ratio changes slightly which means that the control law can enable what is known as flow holding.

Original languageEnglish
Title of host publication2018 Joint Propulsion Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105708
DOIs
StatePublished - 2018
Event54th AIAA/SAE/ASEE Joint Propulsion Conference, 2018 - Cincinnati, United States
Duration: 9 Jul 201811 Jul 2018

Publication series

Name2018 Joint Propulsion Conference

Conference

Conference54th AIAA/SAE/ASEE Joint Propulsion Conference, 2018
Country/TerritoryUnited States
CityCincinnati
Period9/07/1811/07/18

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