A sequential quadratic programming approach to concurrent gate and wire sizing

1997 ◽  
Vol 16 (8) ◽  
pp. 867-881 ◽  
Author(s):  
N. Menezes ◽  
R. Baldick ◽  
L.T. Pileggi
Keyword(s):  
Quadratic Programming ◽  
Sequential Quadratic Programming ◽  
Programming Approach ◽  
Wire Sizing

Optimization-based transient control of turbofan engines: a sequential quadratic programming approach

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Jiqiang Wang ◽  
Huan Hu ◽  
Weicun Zhang ◽  
Zhongzhi Hu
Keyword(s):  
Quadratic Programming ◽  
Sequential Quadratic Programming ◽  
Programming Approach ◽  
Evolutionary Computations ◽  
Turbofan Engines ◽  
Flight Envelope ◽  
Transient Control ◽  
Limit Protection ◽  
Computational Resources ◽  
Design Guidance

Abstract Engine transient control has been challenging due to its stringent requirements from both performance and safety. Many methodologies have been proposed such as conventional schedule-based methods, linear parameter varying, multiobjective optimization and evolutionary computations etc. These approaches have been well-established and led to a series of significant results. However, they are either not providing limit protection or requiring exhaustive computational resources, particularly when generating results into full flight envelope applications. Consequently a compromise between limit protection and computational complexity is necessitated. This note considers a sequential quadratic programming (SQP)-based method for full flight envelope investigations. The proposed method can provide important design guidance and the corresponding claims are validated through detailed analysis and simulations.

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