Numerical studies for performance improvement of a variable geometry dual mode combustor by optimizing deflection angle

2017 ◽  
Vol 68 ◽  
pp. 320-330 ◽  
Author(s):  
Shuo Feng ◽  
Juntao Chang ◽  
Yuanshi Zhang ◽  
Chenlin Zhang ◽  
Youyin Wang ◽  
...  
Keyword(s):  
Performance Improvement ◽  
Deflection Angle ◽  
Variable Geometry ◽  
Dual Mode ◽  
Numerical Studies

Pressure performance improvement by dual-mode control in digital pump/motor

2020 ◽  
Vol 27 (9) ◽  
pp. 2628-2642
Author(s):  
Chun-shuang Li ◽  
Xin Wang ◽  
Hai-bo Qi ◽  
Xin-yu Liu ◽  
Xin-hui Liu
Keyword(s):  
Performance Improvement ◽  
Dual Mode ◽  
Mode Control

Performance improvement of green cars by using variable-geometry engines

2014 ◽  
Vol 87 (4) ◽  
pp. 393-400 ◽  
Author(s):  
Yousef S.H. Najjar ◽  
Osama H. Ghazal ◽  
Kutaeba J.M. AL-Khishali
Keyword(s):  
Performance Improvement ◽  
Variable Geometry

scholarly journals Performance Improvement of Air Path Dynamics in Diesel Engines using LQR/LQG Optimal & Switching Control Techniques

2019 ◽  
Vol 8 (2S11) ◽  
pp. 2059-2064
Keyword(s):  
Performance Improvement ◽  
Diesel Engines ◽  
Linear Quadratic Regulator ◽  
Variable Geometry ◽  
Optimal Switching ◽  
Linear Quadratic ◽  
Linear Quadratic Gaussian ◽  
Control Techniques ◽  
Variable Geometry Turbine ◽  
Lqg Controllers

The modern-day chalenge for the manipulate framework network is to enhance the exhibition of the kingdom elements associated enormous all spherical manner of diesel cars. The automobile enterprise is utilising Exhaust fuel Recirculation (EGR), Variable Geometry Turbine (VGT) and Fuelling has manipulate contributions of air elements. subsequently, on this paper analyses are executed whilst the framework is uncovered to deterministic and arbitrary commotions through structuring the controller utilizing Linear Quadratic Gaussian (LQG). The proposed controller is contrasted and Linear Quadratic Regulator (LQR) and Later, converting among LQG controllers is likewise proposed to approve the effects without changing.

scholarly journals New Signal Constellation Pairs for the ZTM-OFDM-IM System

2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Shuang Li ◽  
Seog Geun Kang
Keyword(s):  
Fading Channels ◽  
Performance Improvement ◽  
Orthogonal Frequency Division Multiplexing ◽  
Euclidean Distance ◽  
Frequency Division ◽  
Error Performance ◽  
Dual Mode ◽  
Signal Constellation ◽  
Frequency Selective Fading ◽  
The One

In this paper, we investigate new signal constellation pairs for mapping active subcarriers of the zero-padded trimode orthogonal frequency division multiplexing with index modulation (ZTM-OFDM-IM) systems. In the presented system, one of a constellation pair is the same as the one used in the previous work, and the other is a constellation larger than the one used in the previous work. It increases the minimum Euclidean distance between the subblocks of the ZTM-OFDM-IM system with new constellation pairs under the constraint of the same spectral efficiency. Computer simulation in AWGN and frequency-selective fading channels shows that the new ZTM-OFDM-IM system has a much lower bit error rate than OFDM-IM and dual-mode OFDM-IM and slightly outperforms the system with conventional constellation pairs. Since the proposed constellation pairs prove the error performance improvement of the system, it is considered that a further study on generalized design of the constellation pair for the ZTM-OFDM-IM system is necessary in the future.

scholarly journals Performance improvement of rail track substructure using artificial inclusions – Experimental and numerical studies

2016 ◽  
Vol 8 ◽  
pp. 69-85 ◽  
Author(s):  
Buddhima Indraratna ◽  
Sanjay Shrawan Nimbalkar ◽  
Ngoc Trung Ngo ◽  
Tim Neville
Keyword(s):  
Performance Improvement ◽  
Rail Track ◽  
Numerical Studies ◽  
Track Substructure
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