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International Journal of Process Systems Engineering最新文献

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Design of general-purpose sampling strategies for geometric shape measurement 几何形状测量的通用采样策略设计
International Journal of Process Systems Engineering Pub Date : 2011-03-08 DOI: 10.1504/IJPSE.2011.038945
E. Gutiérrez, B. Colosimo, Q. Semeraro, L. Onieva
{"title":"Design of general-purpose sampling strategies for geometric shape measurement","authors":"E. Gutiérrez, B. Colosimo, Q. Semeraro, L. Onieva","doi":"10.1504/IJPSE.2011.038945","DOIUrl":"https://doi.org/10.1504/IJPSE.2011.038945","url":null,"abstract":"Quality inspection is a preliminary step for different further analyses (process monitoring, control and optimisation) and requires one to select a measuring strategy, i.e., number and location of measurement points. This phase of data gathering usually impacts on inspection times and costs (via sample size) but it also affects the performance of the following tasks (process monitoring, control and optimisation). While most of the approaches for sampling design are specifically presented with reference to a target application (namely, monitoring, control or optimisation), this paper presents a general-purpose procedure, where the number and location of measurement points are selected in order to retain most of the information related to the feature under study. The procedure is based on principal component analysis and its application is shown with reference to a real case study concerning the left front window of a car. A different approach based on multidimensional scaling is further applied as validation tool, in order to show the effectiveness of the PCA solution.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121776258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A systems integration approach to the design of regional water desalination and supply networks 区域海水淡化和供水网络设计的系统集成方法
International Journal of Process Systems Engineering Pub Date : 2011-03-08 DOI: 10.1504/IJPSE.2011.038941
Selma Atilhan, P. Linke, A. Abdel-Wahab, M. El‐Halwagi
{"title":"A systems integration approach to the design of regional water desalination and supply networks","authors":"Selma Atilhan, P. Linke, A. Abdel-Wahab, M. El‐Halwagi","doi":"10.1504/IJPSE.2011.038941","DOIUrl":"https://doi.org/10.1504/IJPSE.2011.038941","url":null,"abstract":"With the increasing shortages in fresh water supplies around the world, there is an increasing level of installing large-scale water desalination and distribution networks that draw from various sources, use different technologies, and provide water to several destinations. In this work, we introduce a novel approach to the design and decision making of desalination and distribution networks for water supply in regions (or countries). Because of the complexity of the addressed problem, a systems approach is adopted. First, a source-interception-sink representation is developed to embed potential configurations of interest. Next, the design problem is formulated as an optimisation problem subject to the supply, demand, mass conservation, technical performance, and economic constraints. This approach determines the type of technologies to be selected, the location and capacity of the desalination plants, and the distribution of the desalinated water from sources to destinations. A case study is solved to demonstrate the usefulness of the devised approach.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114799829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Health condition diagnoses of power plants turbines aided by neural networks and vibration tools 基于神经网络和振动工具的电厂汽轮机健康状态诊断
International Journal of Process Systems Engineering Pub Date : 2011-03-08 DOI: 10.1504/IJPSE.2011.038944
A. Arato, Fabrício César Lobato de Almeida
{"title":"Health condition diagnoses of power plants turbines aided by neural networks and vibration tools","authors":"A. Arato, Fabrício César Lobato de Almeida","doi":"10.1504/IJPSE.2011.038944","DOIUrl":"https://doi.org/10.1504/IJPSE.2011.038944","url":null,"abstract":"In Brazil, a way of changing the aggressive exploitation of hydraulic potential resources, in order to produce electrical energy, was found by the new application of hydropower plants. A crucial characteristic is that a unique operator is responsible for several hydropower sites far away from each other. Faced with this geography problem, an intranet architecture has been developed and from this skilful application it is possible to use some intranet channels for transmission of a special data from a new technique of signal processing. Basically, this technique is a type of spectrum which uses fixed frequency bands and vibration severity levels. The special spectrum's data is issued to a neural network system which detects the fault in its early stages and a quickly and reliably automatically a diagnosis is obtained. The intranet system uses this diagnosis to transmit the real health condition of the machine in real-time, optimising both management maintenance and production.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131503682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimal design of a hybrid air stripping/pervapouration system for removal of multicomponent VOCs from groundwater 空气剥离/渗透蒸发混合系统去除地下水中多组分挥发性有机化合物的优化设计
International Journal of Process Systems Engineering Pub Date : 2009-08-27 DOI: 10.1504/IJPSE.2009.028000
A. Elkamel, Y. Saif, M. Pritzker
{"title":"Optimal design of a hybrid air stripping/pervapouration system for removal of multicomponent VOCs from groundwater","authors":"A. Elkamel, Y. Saif, M. Pritzker","doi":"10.1504/IJPSE.2009.028000","DOIUrl":"https://doi.org/10.1504/IJPSE.2009.028000","url":null,"abstract":"Groundwater streams contaminated with volatile organic compounds (VOCs) require proper treatment to comply with drinking requirement restrictions. Air stripping and pervapouration are two common treatment technologies for groundwater contaminated with VOCs. An attractive alternative for VOC treatment may be to combine these two technologies together within the same circuit since this offers potential advantages over the operation of either of these systems alone. The current study focuses on the important issue of determining in an objective and systematic manner how to combine these two technologies to meet the drinking water requirements in the most cost-effective manner. Superstructure optimisation is the framework for hybridisation investigated in this study to determine the optimal treatment network and operating conditions for the treatment units to achieve desired water qualities. Two case studies illustrating the proposed approach are presented and the sensitivity of their optimal solutions to perturbations in certain operating conditions is discussed.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130596550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Analytical process and system design of integrated fault diagnostic system 综合故障诊断系统的分析过程与系统设计
International Journal of Process Systems Engineering Pub Date : 2009-08-27 DOI: 10.1504/IJPSE.2009.028001
H. Gabbar, H. E. Sayed, A. Osunleke, Masanobu Hara
{"title":"Analytical process and system design of integrated fault diagnostic system","authors":"H. Gabbar, H. E. Sayed, A. Osunleke, Masanobu Hara","doi":"10.1504/IJPSE.2009.028001","DOIUrl":"https://doi.org/10.1504/IJPSE.2009.028001","url":null,"abstract":"There is an increasing interest to find an effective mechanism for fault diagnosis, which is essential for safe plant operation and optimised maintenance. This paper presents an integrated framework for qualitative and quantitative fault diagnosis mechanism where qualitative fault models are developed for the underlying plant process and equipment and linked with quantitative methods on the basis of trend analysis. The proposed fault diagnosis process is described using detailed activity models. The proposed integrated fault diagnosis framework is illustrated using a case study experimental plant G-Plant, which showed improved fault diagnosis capabilities in terms of root cause and consequence analysis.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124067638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Optimal scheduling and operation of biodiesel plants with multiple feedstocks 多原料生物柴油装置的优化调度与运行
International Journal of Process Systems Engineering Pub Date : 2009-08-27 DOI: 10.1504/IJPSE.2009.027998
R. Elms, M. El‐Halwagi
{"title":"Optimal scheduling and operation of biodiesel plants with multiple feedstocks","authors":"R. Elms, M. El‐Halwagi","doi":"10.1504/IJPSE.2009.027998","DOIUrl":"https://doi.org/10.1504/IJPSE.2009.027998","url":null,"abstract":"Various feedstocks may be utilised to produce biodiesel. These include soybean, palm, sunflower, jatropha, rapeseed and safflower oils, as well as waste oil from the food industry. With changing prices, supply and demand of feedstocks, a need exists to consider various feedstocks options for biodiesel production. The objective of this work is to develop a systematic procedure for scheduling and operation of flexible biodiesel plants accommodating a variety of feedstocks. This work employs a holistic approach and a combination of process simulation, synthesis and integration techniques to provide: 1) process simulation of a biodiesel plant for various feedstocks, 2) integration of energy and mass resources, 3) optimisation of process design and scheduling, 4) techno-economic and environmental assessment and sensitivity analysis of proposed schemes. An optimisation formulation is developed to determine scheduling and operation for various feedstocks. A case study is solved to illustrate the merits of the devised procedure.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121106352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 27
Development of a software to simulate effluent characteristics of textile wastewater treatment 纺织废水处理出水特性模拟软件的开发
International Journal of Process Systems Engineering Pub Date : 2009-08-27 DOI: 10.1504/IJPSE.2009.028002
Adel Al-Kdasi, A. Idris, L. Abdullah, M. El-Harbawi, Mogeeb Alzokry, C. Yin
{"title":"Development of a software to simulate effluent characteristics of textile wastewater treatment","authors":"Adel Al-Kdasi, A. Idris, L. Abdullah, M. El-Harbawi, Mogeeb Alzokry, C. Yin","doi":"10.1504/IJPSE.2009.028002","DOIUrl":"https://doi.org/10.1504/IJPSE.2009.028002","url":null,"abstract":"The composition of textile wastewaters is extremely varied due to the large spectrum of dyes and chemicals used in wet process resulting in greater variability in the success of different treatment processes. A software was developed to determine the required advanced oxidation process after biological treatment and to evaluate the possibility of applying advanced oxidation processes to any textile treatment plant. Regression equations related to the formulation of the process treatment options were successfully developed into a software program called TexTreat with integrated graphic user interface (GUI) component. TexTreat has the ability to determine the best option of advanced oxidation processes (AOPs) and predict characteristics of wastewater discharge in different retention times with an overall simulation accuracy of more than 89%. Validation of the process treatment options and TexTreat display their applicability to utilise with different textile wastewater plants.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133996277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computer-aided identification of isolation boundary for safe maintenance and cause and effect analysis for assessing safeguards 安全维护隔离边界的计算机辅助识别和保障措施评估的因果分析
International Journal of Process Systems Engineering Pub Date : 2009-08-27 DOI: 10.1504/IJPSE.2009.027999
H. An, P. Chung, J. McDonald, J. Madden
{"title":"Computer-aided identification of isolation boundary for safe maintenance and cause and effect analysis for assessing safeguards","authors":"H. An, P. Chung, J. McDonald, J. Madden","doi":"10.1504/IJPSE.2009.027999","DOIUrl":"https://doi.org/10.1504/IJPSE.2009.027999","url":null,"abstract":"Systematic hazard identification is required before maintenance work commences as unsafe maintenance in process plant can cause release of dangerous materials, pipe-work failure and deviations from normal operations, etc. (Hale et al., 1998). Cause and effect analysis is also required to identify unfavourable safety-related outcome and for the design of protective measures. With the availability of electronic piping and instrumentation diagrams (P&IDs), two computer-aided tools are developed as part of the SmartPlant Process Safety (SPPS) system. One is to help with the task of identifying hazards related to maintenance work and the other is to carry out cause and effect analysis automatically. This paper highlights the main functions of these two tools and describes how they are developed. It also illustrates how the cause effect analysis tool can be used to support hazard identification before carrying out the maintenance work.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"29 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114012767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Unsteady Reynolds-averaged Navier-Stokes: toward accurate prediction of turbulent mixing phenomena 非定常reynolds -average Navier-Stokes:湍流混合现象的精确预测
International Journal of Process Systems Engineering Pub Date : 2009-08-27 DOI: 10.1504/IJPSE.2009.028003
E. Merzari, A. Khakim, H. Ninokata, E. Baglietto
{"title":"Unsteady Reynolds-averaged Navier-Stokes: toward accurate prediction of turbulent mixing phenomena","authors":"E. Merzari, A. Khakim, H. Ninokata, E. Baglietto","doi":"10.1504/IJPSE.2009.028003","DOIUrl":"https://doi.org/10.1504/IJPSE.2009.028003","url":null,"abstract":"Traditional steady-state simulation and turbulence modelling are not always reliable. Even relatively simple flow conditions phenomena such as buoyancy, flow oscillations and turbulent mixing can necessitate the use of computationally expensive unsteady simulation. Under these circumstances, the unsteady Reynolds-averaged Navier-Stokes (URANS) approach can offer accurate solutions without the prohibitive computational expenditure of large eddy simulation (LES) or direct numerical simulation (DNS). A particular benefit of the URANS methodology over LES type approaches is that it does not require complex boundary formulations at inflow or outflow boundary conditions. In order to test this methodology, the URANS approach is applied to three challenging nuclear engineering scenarios in which turbulent mixing plays a major role: parallel jets, fuel bundles and T-junctions. For each case, the capability of the methodology to accurately reproduce the flow field was assessed, and the results demonstrated that URANS holds promise to be the industrial standard in nuclear engineering applications that do not involve buoyancy.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133064693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Analytical structures and stability analysis of the simplest Takagi-Sugeno fuzzy two-term controllers 最简单Takagi-Sugeno模糊两项控制器的解析结构及稳定性分析
International Journal of Process Systems Engineering Pub Date : 1900-01-01 DOI: 10.1504/IJPSE.2019.10017445
R. Raj, B. Mohan
{"title":"Analytical structures and stability analysis of the simplest Takagi-Sugeno fuzzy two-term controllers","authors":"R. Raj, B. Mohan","doi":"10.1504/IJPSE.2019.10017445","DOIUrl":"https://doi.org/10.1504/IJPSE.2019.10017445","url":null,"abstract":"This paper deals with the simplest Takagi-Sugeno fuzzy two-term controllers. The analytical structures of the simplest fuzzy controllers were developed using a modified rule base. The number of tuning parameters of the controllers is reduced by introducing a novel rule base consisting of two rules. These controllers are termed as 'the simplest' since minimal (two) number of fuzzy sets is used for fuzzification. Algebraic product (AP)/minimum (min) triangular norm, bounded sum (BS)/maximum (max) triangular co-norm, different universes of discourses (UoDs) of inputs, and centre of gravity (CoG) defuzzification method are chosen to derive the mathematical models of the fuzzy controllers. The simplest fuzzy controller with modified rule base is equivalent to a (nonlinear) variable gain/structure PI/PD controller. The BIBO stability of the closed loop control system is investigated using the small gain theorem. The gain of the controller either varies or remains constant in different regions of the input plane. The gain variations and the computational burden of the fuzzy controllers are also studied. Two examples of nonlinear dynamical systems are considered to validate the developed models of the fuzzy controllers.","PeriodicalId":360947,"journal":{"name":"International Journal of Process Systems Engineering","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132210871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
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