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Observer-based control for fractional-order singular systems with order Research Article

Bingxin LI, Xiangfei ZHAO, Xuefeng ZHANG, Xin ZHAO

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 12, Pages 1862-1870 doi: 10.1631/FITEE.2200294

Abstract: In this paper, for fractional-order with order (0<<1) and is studied. On the basis of the Smith predictor and approximation error, the system with is approximately equivalent to the system without . Furthermore, based on the (LMI) technique, the necessary and sufficient condition of is proposed. Since the condition is a nonstrict LMI, including the equality constraint, it will lead to some trouble when solving problems using toolbox. Thus, the strict LMI-based condition is improved in the paper. Finally, a numerical example and a direct current motor example are given to illustrate the effectiveness of the strict LMI-based condition.

Keywords： Observer-based control Singular systems Fractional order Input delay Linear matrix inequality

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De-noising of diesel vibration signal using wavelet packet and singular value decomposition

DUAN Li-xiang, ZHANG Lai-bin, WANG Zhao-hui

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4, Pages 443-447 doi: 10.1007/s11465-006-0055-6

Abstract: Secondly, singular value decomposition is applied to de-noising vibration signals.Finally, a new de-noise method integrated with wavelet packet and singular value is presented.vibration signals are decomposed by wavelet packet, and the wavelet packet coefficient is de-noised by singular

Keywords： coefficient de-noised cylinder signal-to-noise wavelet decomposition

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Output Feedback Control for the Descriptor TS Fuzzy Systems With Pole-placement Constraints

Gao Dan,Cao Yuanyuan

Strategic Study of CAE 2006, Volume 8, Issue 4, Pages 63-67

Abstract:

The design of dynamic output-feedback controller is investigated for the descriptor fuzzy TS models. By transforming the design problem into the feasible solution problems to a set of linear matrix inequalities, the properly stabilizing output controllers are obtained. The resulting closed-loop system can be ensured to satisfy certain performance index and locate at the required pole-placement region.

Keywords： singular fuzzy system dynamic output-feedback LMI pole placement

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Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2, Pages 205-210 doi: 10.1007/s11709-007-0024-0

Abstract: Based on the Backus-Gilbert inverse theory, the singular value decomposition (SVD) for general inverse

Keywords： singular SVD second-order covariance Theoretical

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Weak characteristic information extraction from early fault of wind turbine generator gearbox

Xiaoli XU, Xiuli LIU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3, Pages 357-366 doi: 10.1007/s11465-017-0423-4

Abstract: characteristic information during early fault evolution in gearbox of wind turbine generator, traditional singular

Keywords： wind turbine generator gearbox µ-singular value decomposition local mean decomposition weak characteristic

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A robust intelligent audio watermarking scheme using support vector machine Article

Mohammad MOSLEH,Hadi LATIFPOUR,Mohammad KHEYRANDISH,Mahdi MOSLEH,Najmeh HOSSEINPOUR

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 12, Pages 1320-1330 doi: 10.1631/FITEE.1500297

Abstract: paper presents a new robust intelligent audio water-marking scheme using a synergistic combination of singularThe methodology involves embedding a watermark data by modulating the singular values in the SVD transform

Keywords： Audio watermarking Copyright protection Singular value decomposition (SVD) Machine learning Support

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Current status and prospects of reliability systems engineering in China

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 492-502 doi: 10.1007/s42524-021-0172-2

Abstract: This study provides a systematic overview of the advent and evolution of reliability systems engineering

Keywords： reliability effectiveness model-based systems engineering reliability systems engineering

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Floating production storage and offloading systems’ cost and motion performance: A systems thinking application

Rini NISHANTH, Andrew WHYTE, V. John KURIAN

Frontiers of Engineering Management 2018, Volume 5, Issue 3, Pages 357-368 doi: 10.15302/J-FEM-2018022

Abstract: Systems thinking gives a unique opportunity to seek a balance between FPSO technical performance(s),Systems thinking has been used to explain the interaction of problem variables; resultantly this paper

Keywords： FPSO LCCA spread/turret-mooring DeepC cost motion soft-systems

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TRANSFORMING CHINESE FOOD AND AGRICULTURE: A SYSTEMS PERSPECTIVE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1, Pages 4-15 doi: 10.15302/J-FASE-2023493

Abstract:

● The goals of Chinese food and agriculture have shifted from grain self-sufficiency to diversified goals, including protecting natural resources, reducing pollution and greenhouse gas emissions, and improving food safety and nutrition.

Keywords： food systems food security nutrition climate change

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TRANSFORMATION OF FOOD SYSTEMS: HOW CAN IT BE FINANCED?

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1, Pages 109-123 doi: 10.15302/J-FASE-2023483

Abstract:

● The analysis of financing for the transformation of food systems

Keywords： financial markets food systems development financing consumer expenditures public budgets Sustainable

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Transition towards carbon-neutral electrical systems for China: Challenges and perspectives

Frontiers of Engineering Management 2022, Volume 9, Issue 3, Pages 504-508 doi: 10.1007/s42524-022-0220-6

Keywords： carbon neutrality power systems electrification renewable energy

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Applying an Integrated Systems Perspective to the Management of Engineering Projects

Simon P. Philbin

Frontiers of Engineering Management 2015, Volume 2, Issue 1, Pages 19-30 doi: 10.15302/J-FEM-2015004

Abstract: Consequently, a management framework has been developed that is based on an integrated systems perspectiveof engineering projects, where the performance of projects is a function of six contributing sub-systems

Keywords： integrated systems perspective engineering projects management

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Application of metal oxides-based nanofluids in PV/T systems: a review

Frontiers in Energy 2022, Volume 16, Issue 3, Pages 397-428 doi: 10.1007/s11708-021-0758-8

Abstract: >2-water NF at a size of 5 nm and a volume fraction of 2% seems to be very favorable for PV/T systemsFinally, the opportunities and challenges of using NFs in PV/T systems are also discussed.

Keywords： metal oxide nanofluids (NFs) nanoparticles (NPs) optical filter PV/T systems solar energy

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FOOD SYSTEMS TRANSFORMATION: CONCEPTS, MECHANISMS AND PRACTICES

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 1, Pages 1-3 doi: 10.15302/J-FASE-2023491

Abstract: FOOD SYSTEMS TRANSFORMATION: CONCEPTS, MECHANISMS AND PRACTICES

Keywords： TRANSFORMATION SYSTEMS FOOD CONCEPTS MECHANISMS

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REINTEGRATION OF CROP-LIVESTOCK SYSTEMS IN EUROPE: AN OVERVIEW

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• ICLS systems with a range of intensities are needed to support a biodiverse landscape

Ongoing specialization of crop and livestock systems provides socioeconomic benefitsfarmer but has led to greater externalization of environmental costs when compared to mixed farming systemsBetter integration of crop and livestock systems offers great potential to rebalance the economic andenvironmental trade-offs in both systems.