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A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: The compensation of actuator delay is therefore critical to achieve stable and reliable experimentalThe advances in compensation methods based on adaptive control theory enable researchers to accommodatevariable actuator delay and achieve good actuator control for real-time tests.However, these adaptive methods all require time duration for actuator delay adaptation.compensation methods.

Keywords： real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

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Solution of Network-induced Delay Using GPC With Predictive Error Compensation

Wang Dongqing

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 60-65

Abstract:

With regard to the characteristics of uncertain network-induced delay, an idea of using GeneralizedRandom-delay-time characteristic of data transmission is tested in a networked control system.GPC and GPC with error compensation are compared in the system.GPC with BP error compensation is verified to have better performance in a modeling mismatch system.

Keywords： networked control systems (NCS)     uncertain delay     GPC     neural network    

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Applicability of high dimensional model representation correlations for ignition delay times of n-heptane

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 367-376 doi: 10.1007/s11708-018-0584-9

Abstract: It is difficult to predict the ignition delay times for fuels with the two-stage ignition tendency becausesampling-high dimensional model representation (RS-HDMR) methods were employed to predict the ignition delayA detailed n-heptane chemical mechanism was used to calculate the fuel ignition delay times in the adiabaticBesides, the ignition delay times predicted by both types of correlations were validated against thoseTherefore, it is concluded that HDMR correlations are capable of predicting the ignition delay times

Keywords： ignition delay     random sampling     high dimensional model representation     n-heptane     fuel kinetics    

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Distributed fault-tolerant strategy for electric swing system of hybrid excavators under communication errors Article

Da-hui GAO, Qing-feng WANG, Yong LEI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 7,   Pages 941-954 doi: 10.1631/FITEE.1601021

Abstract: excavators is proposed to achieve good performance under communication errors based on the adaptive compensationThe adverse impacts of communication errors are effectively reduced by a novel delay compensation schememodel parameters due to pose variation, and a reverse correction law is embedded into the feedback compensation

Keywords： Fault tolerant     Delay compensation     Controller area network     Communication errors     Electric swing system    

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Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 251-267 doi: 10.15302/J-FEM-2018086

Abstract: In Ethiopian construction projects, schedule delay risk is a predominant issue because it is not properlyconstruction projects, limited efforts have been made to investigate the typical and the overall schedule delayIn this study, our aim is to detect the typical and overall schedule delay risk throughout the constructionThe findings showed that there is a typical delay risk either in the type or in the level of the different

Keywords： fuzzy analytic hierarchy process comprehensive evaluation     construction project     detection of delay risk    

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Performance analysis of series/parallel and dual side LCC compensation topologies of inductive power

P. Srinivasa Rao NAYAK, Dharavath KISHAN

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 166-179 doi: 10.1007/s11708-018-0549-z

Abstract: inductive battery charging system, for better power transfer capability and attaining required power level, compensationThis paper analyzes series/parallel (S/P) and dual side inductor-capacitor-capacitor (LCC) compensationBesides, the equivalent electrical circuits are used to describe the circuit compensation topologies.The results convey that the efficiency of dual side LCC compensation is higher than that of S/P compensation

Keywords： series/parallel compensation     electric vehicle (EV)     dual side LCC compensation     inductive power transfer    

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Research on the ecological compensation standard of the basin pollution control project based on evolutionary

Dongbin HU, Huiwu LIU, Xiaohong CHEN, Yang CHEN

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 575-583 doi: 10.1007/s42524-019-0044-1

Abstract: Ecological compensation is a new resource and environment management model.As one of the main areas for implementing ecological compensation policies, basin ecological compensationinterest-related decision-making behaviors of the upstream and downstream stakeholders of basin ecological compensation

Keywords： evolutionary game     ecological compensation standard     Xiangjiang River Basin    

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End-to-end delay analysis for networked systems

Jie SHEN,Wen-bo HE,Xue LIU,Zhi-bo WANG,Zhi WANG,Jian-guo YAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9,   Pages 732-743 doi: 10.1631/FITEE.1400414

Abstract: End-to-end delay measurement has been an essential element in the deployment of real-time services inTraditional methods of delay measurement based on time domain analysis, however, are not efficient asWe propose a novel theoretical framework to analyze the end-to-end delay distributions of networked systemsdelay distribution is indeed the inverse Laplace transform of the transfer function of the signal flowBy analyzing the time responses of the transfer function, we obtain the end-to-end delay distribution

Keywords： Networked system     End-to-end     Delay distribution    

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Ecological Compensations for Damed Rivers

Dong Zheren

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 5-10

Abstract: evaluation of river ecosystem services for decision-making of large hydropower projects and establish compensation

Keywords： dam     river restoration     ecological compensation     compensation mechanism    

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Quantitative standard of eco-compensation for the water source area in the middle route of the South-to-North

Zhanfeng DONG, Jinnan WANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 459-473 doi: 10.1007/s11783-010-0288-9

Abstract: An eco-compensation mechanism between the water service source areas and its beneficiaries is essentialThis paper establishes an analytic framework of eco-compensation standard for the protection of the watersource area, including both the calculation of eco-compensation based on opportunity cost method (OCMTaking Shiyan City, Hubei Province in China as a case study, our results show that the eco-compensationIn addition, the burden sharing of eco-compensation varied greatly in terms of different methods.

Keywords： the South-to-North Water Transfer Scheme     eco-compensation standard     opportunity costs     deviation square    

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Social responsibility in infrastructure mega-projects: A case study of ecological compensation for

Zheming LIU, Liangyan WANG, Zhaohan SHENG, Xinglin GAO

Frontiers of Engineering Management 2018, Volume 5, Issue 1,   Pages 98-108 doi: 10.15302/J-FEM-2018084

Abstract: Ecological compensation plays an important role in implementing the social responsibility of infrastructureresults of a field study, an in-depth interview, and archive data, this paper introduces the ecological compensationthe concrete measures, decision-making processes, and organizational collaboration of the ecological compensationThe present study not only enriches our understanding of the ecological compensation practice during

Keywords： infrastructure mega-projects     social responsibility     ecological compensation     Hong Kong-Zhuhai-Macao Bridge    

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Determination of the scheme of precision grinding compensation on the radome

GUO Dongming, LIU Minjing, ZHANG Chunbo, SHENG Xianjun, SUN Yuwen

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 263-266 doi: 10.1007/s11465-007-0045-3

Abstract: A typical inverse problem about electromagnetic fields is solving the precise grinding compensation area

Keywords： mathematical     effective approach     experimental measurement     antenna     electromagnetic    

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Ecological compensation based on willingness to accept for conservation of drinking water sources

Linyu XU,Bing YU,Yang LI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 58-65 doi: 10.1007/s11783-014-0688-3

Abstract: Ecological compensation is a powerful environmental economic tool for environmental protection in areasWe established an ecological compensation accounting system based on respondents’ willingness to acceptWe applied this accounting system to ecological compensation for the Miyun Reservoir, Beijing, China.Thus, the annual total ecological compensation could be 58.73 million CNY.of farmers, and taking various in-kind and out-of-kind compensation approaches.

Keywords： contingent valuation method     questionnaire survey     Miyun Reservoir    

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A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 367-372 doi: 10.1007/s11465-015-0367-5

Abstract: To obtain the pre-compensation value with better accuracy, this paper proposes the use of a back propagationThe experiment results verify that the proposed compensation method can effectively reduce contouring

Keywords： contouring error     pre-compensation     motion control system     back propagation (BP) neural network    

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A combined modulated feedback and temperature compensation approach to improve bias drift of a closed-loop

Ming-jun MA,Zhong-he JIN,Hui-jie ZHU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 6,   Pages 497-510 doi: 10.1631/FITEE.1400349

Abstract: The bias drift of a micro-electro-mechanical systems (MEMS) accelerometer suffers from the 1/ noise and the temperature effect. For massive applications, the bias drift urgently needs to be improved. Conventional methods often cannot address the 1/ noise and temperature effect in one architecture. In this paper, a combined approach on closed-loop architecture modification is proposed to minimize the bias drift. The modulated feedback approach is used to isolate the 1/ noise that exists in the conventional direct feedback approach. Then a common mode signal is created and added into the closed loop on the basis of modulated feedback architecture, to compensate for the temperature drift. With the combined approach, the bias instability is improved to less than 13 μ , and the drift of the Allan variance result is reduced to 17 μ at 100 s of the integration time. The temperature coefficient is reduced from 4.68 to 0.1 m /°C. The combined approach could be useful for many other closed-loop accelerometers.

Keywords： Bias drift     Closed-loop MEMS accelerometer     Modulated feedback approach     Temperature compensation    

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Title Author Date Type Operation

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

Solution of Network-induced Delay Using GPC With Predictive Error Compensation

Wang Dongqing

Journal Article

Applicability of high dimensional model representation correlations for ignition delay times of n-heptane

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Journal Article

Distributed fault-tolerant strategy for electric swing system of hybrid excavators under communication errors

Da-hui GAO, Qing-feng WANG, Yong LEI

Journal Article

Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Journal Article

Performance analysis of series/parallel and dual side LCC compensation topologies of inductive power

P. Srinivasa Rao NAYAK, Dharavath KISHAN

Journal Article

Research on the ecological compensation standard of the basin pollution control project based on evolutionary

Dongbin HU, Huiwu LIU, Xiaohong CHEN, Yang CHEN

Journal Article

End-to-end delay analysis for networked systems

Jie SHEN,Wen-bo HE,Xue LIU,Zhi-bo WANG,Zhi WANG,Jian-guo YAO

Journal Article

Ecological Compensations for Damed Rivers

Dong Zheren

Journal Article

Quantitative standard of eco-compensation for the water source area in the middle route of the South-to-North

Zhanfeng DONG, Jinnan WANG

Journal Article

Social responsibility in infrastructure mega-projects: A case study of ecological compensation for

Zheming LIU, Liangyan WANG, Zhaohan SHENG, Xinglin GAO

Journal Article

Determination of the scheme of precision grinding compensation on the radome

GUO Dongming, LIU Minjing, ZHANG Chunbo, SHENG Xianjun, SUN Yuwen

Journal Article

Ecological compensation based on willingness to accept for conservation of drinking water sources

Linyu XU,Bing YU,Yang LI

Journal Article

A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Journal Article

A combined modulated feedback and temperature compensation approach to improve bias drift of a closed-loop

Ming-jun MA,Zhong-he JIN,Hui-jie ZHU

Journal Article