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Exergy analysis of multi-stage crude distillation units

Xingang LI, Canwei LIN, Lei WANG, Hong LI

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 437-446 doi: 10.1007/s11705-013-1349-y

Abstract: This paper aims to investigate the multi-stage effect on crude distillation units (CDUs) in thermodynamicsIn this regard, we proposed three-, four-, five-, and six-stage CDU processes with all variables constrainedWhen the exergy losses in heat exchangers are disregarded, the three- and four-stage CDUs have lowerexergy losses than the five- and six-stage CDUs.

Keywords： exergy     exergy loss     crude oil distillation     multi-stage     energy saving    

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Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 168-182 doi: 10.1007/s11705-021-2056-8

Abstract: Thus, a multi-stage framework was developed by developing consistency rules that restrict the number

Keywords： computer-aided molecular design     bio-oil additives     molecular signature descriptor    

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A systematic approach in load disaggregation utilizing a multi-stage classification algorithm for consumer

Chuan Choong YANG, Chit Siang SOH, Vooi Voon YAP

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 386-398 doi: 10.1007/s11708-017-0497-z

Abstract: systematic approach of load disaggregation through - trajectory-based load signature images by utilizing a multi-stageThe results of the multi-stage classification algorithm implementation have been discussed and the idea

Keywords： load disaggregation     voltage-current (V-I) trajectory     multi-stage classification algorithm    

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Fuzzy Optimum Selection Dynamic Programming Methodology for Multi-objective Optimization of Multi-stage

Xiong Deqi,Yin Peihai

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 65-69

Abstract: the fuzzy optimum selection dynamic programming technique that can be used for the optimization of multi-objectiveand multi-stage systems are developed by means of the combination of fuzzy optimum selection theoryThis is a new methodology for solving the multi-objective optimization problems of multi-stage systems

Keywords： multi-stage     multi-objective optimization     fuzzy optimum selection     dynamic programming     membership degree    

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Pragmatic multi-stage simulated annealing for optimal placement of synchrophasor measurement units in

Pathirikkat GOPAKUMAR,M. JAYA BHARATA REDDY,Dusmata Kumar MOHANTA

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 148-161 doi: 10.1007/s11708-015-0344-z

Abstract: This paper proposes a pragmatic multi-stage simulated annealing (PMSSA) methodology for finding the optimal

Keywords： phasor measurement units (PMUs)     pragmatic PMU placement     simulated annealing (SA)     western region Indian power grid (WRIPG)    

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Exergy analysis of R1234ze(Z) as high temperature heat pump working fluid with multi-stage compression

Bin HU, Di WU, L.W. WANG, R.Z. WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 493-502 doi: 10.1007/s11708-017-0510-6

Abstract: In this paper, the simulation approach and exergy analysis of multi-stage compression high temperatureBoth the single-stage and multi-stage compression cycles are analyzed to compare the system performanceThe multi-stage compression system has better energy and exergy efficiencies with the increase of compressionstage number.of the two-stage and three-stage compression system are 9.1% and 14.6%, respectively.

Keywords： multi-stage compression     high temperature heat pump     heat recovery     exergy destruction     R1234ze(Z) working    

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Multi-stage emergency medicine logistics system optimization based on survival probability

Ke WANG, Yixin LIANG, Lindu ZHAO

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 221-228 doi: 10.15302/J-FEM-2017020

Abstract: deaths as an example and maximizing survival rate as the goal, this paper studies the influence of multi-stageaid on-site in emergencies can significantly increase survival rate, and the effect of collaborative multi-stagelogistics optimization is better than that of any single stage logistics response optimization.

Keywords： emergency medicine logistics     ambulance drone     survival probability     critical illness    

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Removal of odors and VOCs in municipal solid waste comprehensive treatment plants using a novel three-stage

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1421-7

Abstract:

A novel three-stage integrated biofilter (TSIBF) composed of acidophilic

Keywords： Biofiltration     Multi-stage biofilter     Volatile organic compounds     Waste gas treatment     Bioaerosol emissions    

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Multi-stage ammonia production for sorption selective catalytic reduction of NO

Chen ZHANG, Guoliang AN, Liwei WANG, Shaofei WU

Frontiers in Energy 2022, Volume 16, Issue 5,   Pages 840-851 doi: 10.1007/s11708-021-0797-1

Abstract: commercial urea selective catalytic reduction of NOx (urea-SCR), while only the single-stageHerein, various multi-stage ammonia production cycles is built to solve the problem of relative highExcept for the single-stage ammonia production cycle with MnCl2, other sorption-SCR strategiesTherefore, the multifunctional multi-stage sorption-SCR can realize compact and renewable ammonia storage

Keywords： selective catalytic reduction (SCR)     nitrogen oxides (NOx)     ammonia     composite sorbent     chemisorption    

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Multi-stage Model Updating Method via Substructure Analysis

Guo Li,Li Zhaoxia,Chen Hongtian

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 42-48

Abstract:

Basing on substructure analysis, original research on multi-stage model updating method (MSMUM) isThe kernel philosophy of the multi-stage model updating method is used to update a complicated FE modelwith multi steps, i. e. firstly localize the model errors and then update the error parameters.model here with the updated model using traditional updating method, it could be concluded that the multi-stage

Keywords： model updating     substructure     error localization     parameters updating     Runyang Bridge    

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Multi-stage dual replica bit-line delay technique for process-variation-robust timing of lowvoltageSRAMsense

Shou-biao TAN,Wen-juan LU,Chun-yu PENG,Zheng-ping LI,You-wu TAO,Jun-ning CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 700-706 doi: 10.1631/FITEE.1400439

Abstract: A multi-stage dual replica bit-line delay (MDRBD) technique is proposed for reducing access time by suppressingtraditional technique, this strategy, using statistical theory, reduces the timing variation by using multi-stagemeanwhile doubling the replica bit-line (RBL) capacitance and discharge path simultaneously in each stage

Keywords： Process-variation-robust     Sense amplifier (SA)     Replica bit-line (RBL) delay     Timing variation    

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A Multi-Stage Green Barrier Strategy for the Control of Global SARS-CoV-2 Transmission via Cold Chain

Xu He, Xinwang Liu, Pan Li, Panpan Wang, Haijun Cheng, Wenqian Li, Boda Li, Ting Liu, Jun Ma

Engineering 2022, Volume 9, Issue 2,   Pages 13-16 doi: 10.1016/j.eng.2021.08.013

Keywords： SARS-CoV-2     Cold chain logistics     Green disinfection     Epidemic control    

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Co-Estimation of State of Charge and Capacity for Lithium-Ion Batteries with Multi-Stage Model Fusion Article

Rui Xiong, Ju Wang, Weixiang Shen, Jinpeng Tian, Hao Mu

Engineering 2021, Volume 7, Issue 10,   Pages 1471-1484 doi: 10.1016/j.eng.2020.10.022

Abstract:

Lithium-ion batteries (LIBs) have emerged as the preferred energy storage systems for various types of electric transports, including electric vehicles, electric boats, electric trains, and electric airplanes. The energy management of LIBs in electric transports for all-climate and long-life operation requires the accurate estimation of state of charge (SOC) and capacity in real-time. This study proposes a multistage
model fusion algorithm to co-estimate SOC and capacity. Firstly, based on the assumption of a normal distribution, the mean and variance of the residual error from the model at different ageing levels are used to calculate the weight for the establishment of a fusion model with stable parameters. Secondly, a differential error gain with forward-looking ability is introduced into a proportional–integral observer
(PIO) to accelerate convergence speed. Thirdly, a fusion algorithm is developed by combining a multistage model and proportional–integral–differential observer (PIDO) to co-estimate SOC and capacity under a complex application environment. Fourthly, the convergence and anti-noise performance of the fusion algorithm are discussed. Finally, the hardware-in-the-loop platform is set up to verify the performance
of the fusion algorithm. The validation results of different aged LIBs over a wide range of temperature show that the presented fusion algorithm can realize a high-accuracy estimation of SOC and capacity with the relative errors within 2% and 3.3%, respectively.

Keywords： State of charge     Capacity estimation     Model fusion     Proportional–integral–differential observer     Hardware-in-the-loop    

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The model and process simulation of multi-effect two stage evaporation system with solid separation

Li Ling, Ruan Qi

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 54-60

Abstract:

A mathematical model of conventional design for the multi-effect twostage evaporation system with condensed water flash and solid separation was established.omitting correlative block-smatrix in matrix equation, matrix equation could be used to describe the multi-effecttwo stage evaporation system without condensed water flash or solid separation.

Keywords： solid separation     mathematical model of multi-effect two stage evaporation     condensed water flash    

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Optimal placement of wind turbines within a wind farm considering multi-directional wind speed usingtwo-stage genetic algorithm

A.S.O. OGUNJUYIGBE, T.R. AYODELE, O.D. BAMGBOJE

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 240-255 doi: 10.1007/s11708-018-0514-x

Abstract: This paper proposes an algorithm to solve the wind farm layout optimization problem considering multi-angularA two-stage genetic algorithm (GA) equipped with complementary sampling and uniform crossover is usedIn the first stage, the optimal wind turbine layouts for 8 different major wind directions were determinedwhile the second stage allows each of the previously determined layouts to compete and inter-breed soThis paper will find application at the planning stage of wind farm.

Keywords： optimal placement     wind turbines     wind direction     genetic algorithm     wake effect    

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Title Author Date Type Operation

Exergy analysis of multi-stage crude distillation units

Xingang LI, Canwei LIN, Lei WANG, Hong LI

Journal Article

Design of bio-oil additives via molecular signature descriptors using a multi-stage computer-aided molecular

Journal Article

A systematic approach in load disaggregation utilizing a multi-stage classification algorithm for consumer

Chuan Choong YANG, Chit Siang SOH, Vooi Voon YAP

Journal Article

Fuzzy Optimum Selection Dynamic Programming Methodology for Multi-objective Optimization of Multi-stage

Xiong Deqi,Yin Peihai

Journal Article

Pragmatic multi-stage simulated annealing for optimal placement of synchrophasor measurement units in

Pathirikkat GOPAKUMAR,M. JAYA BHARATA REDDY,Dusmata Kumar MOHANTA

Journal Article

Exergy analysis of R1234ze(Z) as high temperature heat pump working fluid with multi-stage compression

Bin HU, Di WU, L.W. WANG, R.Z. WANG

Journal Article

Multi-stage emergency medicine logistics system optimization based on survival probability

Ke WANG, Yixin LIANG, Lindu ZHAO

Journal Article

Removal of odors and VOCs in municipal solid waste comprehensive treatment plants using a novel three-stage

Journal Article

Multi-stage ammonia production for sorption selective catalytic reduction of NO

Chen ZHANG, Guoliang AN, Liwei WANG, Shaofei WU

Journal Article

Multi-stage Model Updating Method via Substructure Analysis

Guo Li,Li Zhaoxia,Chen Hongtian

Journal Article

Multi-stage dual replica bit-line delay technique for process-variation-robust timing of lowvoltageSRAMsense

Shou-biao TAN,Wen-juan LU,Chun-yu PENG,Zheng-ping LI,You-wu TAO,Jun-ning CHEN

Journal Article

A Multi-Stage Green Barrier Strategy for the Control of Global SARS-CoV-2 Transmission via Cold Chain

Xu He, Xinwang Liu, Pan Li, Panpan Wang, Haijun Cheng, Wenqian Li, Boda Li, Ting Liu, Jun Ma

Journal Article

Co-Estimation of State of Charge and Capacity for Lithium-Ion Batteries with Multi-Stage Model Fusion

Rui Xiong, Ju Wang, Weixiang Shen, Jinpeng Tian, Hao Mu

Journal Article

The model and process simulation of multi-effect two stage evaporation system with solid separation

Li Ling, Ruan Qi

Journal Article

Optimal placement of wind turbines within a wind farm considering multi-directional wind speed usingtwo-stage genetic algorithm

A.S.O. OGUNJUYIGBE, T.R. AYODELE, O.D. BAMGBOJE

Journal Article