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Electronic adjust for turbojet engine based on variable parameters PID control(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2009年01期
Page:
103-106
Research Field:
Publishing date:
2009-01-20

Info

Title:
Electronic adjust for turbojet engine based on variable parameters PID control
Author(s):
LUO Kai;  DANG Jianjun;  WANG Yucai
School of Marine Engineering, Northwestern Polytechnicial University, Xian 710072, Shaanxi, China
Keywords:
turbojet engine;  digital electronic controller;  electronic adjust;  PID control;  variable
PACS:
TJ630.32
DOI:
-
Abstract:
In order to satisfy the high capability of modern aviation turbojet engine, a new aeroengine control system was developed with digital electronic control technique. A turbine rotate speed measure signal was used to unchain the coupling affect between the rotate speed and controlled fuel flux. A fuel flux measure signal was used to compensate the variable gain parameter of turbine rotate speed which influenced by the flight altitude, mach number and rotate speed of turbine. A variable parameters PID control algorithm was used to achieve the zero static error of turbine rotate speed and nonovershooting adjusting of controlled fuel flux. The results show that: the control precision, speed and stability can be improved obviously by using this method; the control effect of electronic adjusted system is better than the one of mechanical hydraulic adjuster. 4 figs, 8 refs.

References:

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Last Update: 2009-01-20