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Bifurcation-based fractional-order PI None

Karima RABAH, Samir LADACI, Mohamed LASHAB

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 180-191 doi: 10.1631/FITEE.1601543

Abstract: fractional-order proportional-integral-derivative (FOPID) controller, to stabilize a perturbed nonlinear chaoticsystem on one of its unstable fixed points.The stability analysis of the nonlinear chaotic system is made based on the proportional-integral-derivativeBy applying numerical simulations on two nonlinear systems, namely the multi-scroll Chen system and theGenesio-Tesi system, we show that the fractional PIλDμ controller provides the best closed-loop system

Keywords： Fractional order system     Bifurcation diagram     Fractional PIλDμ controller     Multi-scroll Chen chaotic system     Genesio-Tesi chaotic system    

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Analysis of a 1 kW organic Rankine cycle using a scroll expander for engine coolant and exhaust heat

Yiji LU, Anthony Paul ROSKILLY, Long JIANG, Longfei CHEN, Xiaoli YU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 527-534 doi: 10.1007/s11708-017-0516-0

Abstract: fluids were selected to evaluate and compare the performance of the integrated waste heat recovery systemRather than the conventional engine ORC system mainly focusing on the utilization of exhaust energy,The case study selected a small engine as the heat source to drive the ORC system using a scroll expanderThe results suggest that adding a recuperator to the ORC system can potentially improve the system performancecan improve the overall system efficiency by 9.3% with R600, R600a or -Pentane as the working fluid

Keywords： organic Rankine cycle     scroll expander     coolant and exhaust recovery     internal combustion engine    

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Structural dynamic analysis of the orbiting scroll wrap in the scroll compressor

Yicai LIU, Yubo XIA, Peng YAN, Yinbin LI, Haibo XIE

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 19-25 doi: 10.1007/s11708-012-0223-9

Abstract: A deep analysis of orbiting scroll wraps was conducted in this paper by using ANSYS and SolidWorks.Through the modal analysis, the involute of the circle profile orbiting scroll wrap demonstrated a largeanalysis, loads of frequency changes were gained and the stress and strain distribution of the orbiting scrollThe results of the present study offer a theoretical basis for the design and manufacture of scroll wraps, and providing a new way to evaluate different scroll wraps.

Keywords： scroll compressor     orbiting scroll wrap     model analysis     harmonic analysis    

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An improved chaotic hybrid differential evolution for the short-term hydrothermal scheduling problem

Tahir Nadeem MALIK,Salman ZAFAR,Saaqib HAROON

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 404-417 doi: 10.1631/FITEE.1400189

Abstract: In this paper an improved chaotic hybrid differential evolution (ICHDE) algorithm is proposed to findparameter setting is obtained in differential evolution (DE) with the application of chaos theory, and a chaotic

Keywords： Valve-point effect     Prohibited discharge zones     Differential evolution     Chaotic sequences     Constraint    

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Multi－target Tracking Algorithm for Multi－static Radar SystemBased on Parallel Processing Mechanism

Xu Hongkui,Wang Dongjin,Chen Weidong

Strategic Study of CAE 2007, Volume 9, Issue 11,   Pages 151-156

Abstract: justify;">To investigate the problem of tracking multiple short range high speed maneuvering targets with multi- static radar system, a tracking algorithm based on parallel processing mechanism is derived.

Keywords： multi-static radar system     multi-target tracking     parallel processing     MSJPDA     parallel extendedkalman filtering    

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Multi-UAV collaborative system with a feature fast matching algorithm

Tian-miao Wang, Yi-cheng Zhang, Jian-hong Liang, Yang Chen, Chao-lei Wang,zycet@126.com

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 12,   Pages 1671-1814 doi: 10.1631/FITEE.2000047

Abstract: We present a real-time monocular system with a new distributed structure for multi-UAV tasks.The system is different from other general SLAM systems in two aspects: First, it does not aim to buildrelative position between nearby vehicles; Second, there is no centralized structure in the proposed systemTo evaluate the performance, the algorithm is verified on the acknowledged multi-view stereo benchmarkFinally, through the simulation and real flight experiments, this improved SLAM system with the proposed
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Technological development of multi-energy complementary system based on solar PVs and MGT

Xiaojing LV, Yu WENG, Xiaoyi DING, Shilie WENG, Yiwu WENG

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 509-517 doi: 10.1007/s11708-018-0598-3

Abstract:

The complementary micro-energy network system consisting of solar photovoltaic power generation (solarof actual work, this research described the domestic and foreign development of micro-energy network systemMoreover, it analyzed the challenges and future development regarding the micro-energy network systemFurthermore, it predicted the future development of the key technology of the multi-energy complementarysystem.

Keywords： renewable energy     solar photovoltaic power generation     micro gas turbine     multi-energy complementary system    

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Optimal dispatch of multi energy system using power-to-gas technology considering flexible load on user

Zi LING, Xiu YANG, Zilin LI

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 569-581 doi: 10.1007/s11708-018-0595-6

Abstract: Meanwhile, the participation of flexible load on user side in system optimization has attracted muchthe concept of energy hub, according to its series characteristic, this paper established a generic multi-energysystem model using the P2G technology.Finally, a concrete analysis was made on the optimal dispatch result of the multi-energy system usingThe results indicate that cooperative dispatch of multi-energy system using the P2G technology considering

Keywords： multi-energy system     energy hub     series characteristic     optimal dispatch     flexible load    

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Research and implementation of flexible coding system oriented multi-view

ZHANG Xuhui, ZHANG Xu, NING Ruxin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 448-452 doi: 10.1007/s11465-007-0077-8

Abstract: On the basis of the requirements of a product data management system (PDM) for the flexible coding system, the principle of the flexible coding system oriented multi-view is analyzed.The architecture of the flexible coding system oriented multi-view is studied and the implementationclass diagram of the system is designed.and elaborate the flexible coding process of the system.

Keywords： foundation     different     management     utilization     Generation    

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Dymola-based multi-parameters integrated optimization for high speed transfer system of LED chip sorter

Jie OUYANG, Bin LI, Shihua GONG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2,   Pages 118-126 doi: 10.1007/s11465-013-0253-y

Abstract:

To enhance the performance of high speed transfer system of LED chip sorting equipment, its controlparameters need to be well matching with the mechanical system.which the multiple control parameters optimization, modeling and simulation were included, i.e., a multi-domainmodel of transfer system performed on Dymola platform.also indicated that the optimized control parameters can well satisfy the requirements of transfer system

Keywords： LED chip sorter     multi-domain modeling and simulation     parameter optimization     modelica language    

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Identification of thermal error in a feed system based on multi-class LS-SVM

Chao JIN, Bo WU, Youmin HU, Yao CHENG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 47-54 doi: 10.1007/s11465-012-0307-6

Abstract:

Research of thermal characteristics has been a key issue in the development of high-speed feed systemUsing multi-class least squares support vector machines (LS-SVM), the thermal positioning error of thefeed system is identified with the variance and mean square value of the temperatures of supportingA series of experiments were carried out on a self-made quasi high-speed feed system experimental benchThe results show that the recommended model can be used to predict the thermal error of a feed system

Keywords： least squares support vector machine (LS-SVM)     feed system     thermal error     precision machining    

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A Novel Method of Constructing Complex Information System——Multi-living Agent Method

Wang Yue

Strategic Study of CAE 2006, Volume 8, Issue 5,   Pages 29-32

Abstract:

Based on the system theories, this paper discusses the characteristics of complex information systemrestraint and strong antagonism conditions and proposes a novel method of constructing complex information system, i. e. multi-living agent method ( MLAM) .Then, the relationship and the difference between the fundamental meaning of MLAM and the existing system

Keywords： multi-living agent     complex information system     system theory    

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Impact of wind power generating system integration on frequency stabilization in multi-area power system

Y. K. BHATESHVAR,H. D. MATHUR,H. SIGUERDIDJANE

Frontiers in Energy 2015, Volume 9, Issue 1,   Pages 7-21 doi: 10.1007/s11708-014-0338-2

Abstract: Among the available options for renewable energy integration in existing power system, wind power isThe major constraint of wind power generating system (WPGS) is that it does not provide inertial supportThe proposed control strategy suggests a substantial contribution to system inertia in terms of short-termactive power support in a two area restructured power system.Variation of load conditions are also analyzed in simulation studies for the same power system model

Keywords： two area power system     automatic generation control     wind power generating system (WPGS)     deregulated environment    

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Multi-axle dynamic steering system of truck-howitzer

LI Yanliang, GAO Xiuhua, ZHANG Chunqiu, SUN Yubo

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 44-49 doi: 10.1007/s11465-008-0002-9

Abstract: A two-degree-of-freedom (2-DOF) steering model of multi-axle vehicle was established.Results indicate that the system stability is decided by the vehicle barycenter position and the lateralThe system rapidly responds, the vehicle smoothly steers, and its handling stability is prominently improved

Keywords： multi-axle     acceleration     relationship     smoothly     handling stability    

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Differential coupling contributes to synchronization via a capacitor connection between chaotic circuits Regular Papers

Yu-meng XU, Zhao YAO, Aatef HOBINY, Jun MA

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 4,   Pages 571-583 doi: 10.1631/FITEE.1800499

Abstract:

Nonlinear oscillators and circuits can be coupled to reach synchronization and consensus. The occurrence of complete synchronization means that all oscillators can maintain the same amplitude and phase, and it is often detected between identical oscillators. However, phase synchronization means that the coupled oscillators just keep pace in oscillation even though the amplitude of each node could be different. For dimensionless dynamical systems and oscillators, the synchronization approach depends a great deal on the selection of coupling variable and type. For nonlinear circuits, a resistor is often used to bridge the connection between two or more circuits, so voltage coupling can be activated to generate feedback on the coupled circuits. In this paper, capacitor coupling is applied between two Pikovsk-Rabinovich (PR) circuits, and electric field coupling explains the potential mechanism for differential coupling. Then symmetric coupling and cross coupling are activated to detect synchronization stability, separately. It is found that resistor-based voltage coupling via a single variable can stabilize the synchronization, and the energy flow of the controller is decreased when synchronization is realized. Furthermore, by applying appropriate intensity for the coupling capacitor, synchronization is also reached and the energy flow across the coupling capacitor is helpful in regulating the dynamical behaviors of coupled circuits, which are supported by a continuous energy exchange between capacitors and the inductor. It is also confirmed that the realization of synchronization is dependent on the selection of a coupling channel. The approach and stability of complete synchronization depend on symmetric coupling, which is activated between the same variables. Cross coupling between different variables just triggers phase synchronization. The capacitor coupling can avoid energy consumption for the case with resistor coupling, and it can also enhance the energy exchange between two coupled circuits.

Keywords： Synchronization     Voltage coupling     Chaotic circuit     Capacitor coupling    

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Title Author Date Type Operation

Bifurcation-based fractional-order PI

Karima RABAH, Samir LADACI, Mohamed LASHAB

Journal Article

Analysis of a 1 kW organic Rankine cycle using a scroll expander for engine coolant and exhaust heat

Yiji LU, Anthony Paul ROSKILLY, Long JIANG, Longfei CHEN, Xiaoli YU

Journal Article

Structural dynamic analysis of the orbiting scroll wrap in the scroll compressor

Yicai LIU, Yubo XIA, Peng YAN, Yinbin LI, Haibo XIE

Journal Article

An improved chaotic hybrid differential evolution for the short-term hydrothermal scheduling problem

Tahir Nadeem MALIK,Salman ZAFAR,Saaqib HAROON

Journal Article

Multi－target Tracking Algorithm for Multi－static Radar SystemBased on Parallel Processing Mechanism

Xu Hongkui,Wang Dongjin,Chen Weidong

Journal Article

Multi-UAV collaborative system with a feature fast matching algorithm

Tian-miao Wang, Yi-cheng Zhang, Jian-hong Liang, Yang Chen, Chao-lei Wang,zycet@126.com

Journal Article

Technological development of multi-energy complementary system based on solar PVs and MGT

Xiaojing LV, Yu WENG, Xiaoyi DING, Shilie WENG, Yiwu WENG

Journal Article

Optimal dispatch of multi energy system using power-to-gas technology considering flexible load on user

Zi LING, Xiu YANG, Zilin LI

Journal Article

Research and implementation of flexible coding system oriented multi-view

ZHANG Xuhui, ZHANG Xu, NING Ruxin

Journal Article

Dymola-based multi-parameters integrated optimization for high speed transfer system of LED chip sorter

Jie OUYANG, Bin LI, Shihua GONG

Journal Article

Identification of thermal error in a feed system based on multi-class LS-SVM

Chao JIN, Bo WU, Youmin HU, Yao CHENG

Journal Article

A Novel Method of Constructing Complex Information System——Multi-living Agent Method

Wang Yue

Journal Article

Impact of wind power generating system integration on frequency stabilization in multi-area power system

Y. K. BHATESHVAR,H. D. MATHUR,H. SIGUERDIDJANE

Journal Article

Multi-axle dynamic steering system of truck-howitzer

LI Yanliang, GAO Xiuhua, ZHANG Chunqiu, SUN Yubo

Journal Article

Differential coupling contributes to synchronization via a capacitor connection between chaotic circuits

Yu-meng XU, Zhao YAO, Aatef HOBINY, Jun MA

Journal Article