Optimal Control Applications & Methods最新文献_第2页

Identification Problem 识别问题

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2021-01-01 DOI: 10.1007/978-3-030-91029-7_8

L. T. Ashchepkov, Dmitriy V. Dolgy, Taekyun Kim, R. Agarwal

引用次数: 0

Types of Optimal Control Problems 最优控制问题的类型

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2021-01-01 DOI: 10.1007/978-3-319-49781-5_9

L. T. Ashchepkov, Dmitriy V. Dolgy, Taekyun Kim, R. Agarwal

引用次数: 0

Synthesis of the Optimal System Performance 最优系统性能的综合

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2021-01-01 DOI: 10.1007/978-3-319-49781-5_6

L. T. Ashchepkov, Dmitriy V. Dolgy, Taekyun Kim, R. Agarwal

引用次数: 0

Reachability Set 可达性组

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2021-01-01 DOI: 10.1007/978-3-030-91029-7_3

L. T. Ashchepkov, Dmitriy V. Dolgy, Taekyun Kim, R. Agarwal

引用次数: 0

Optimal control and differential game solutions for social distancing in response to epidemics of infectious diseases on networks. 网络传染病流行时社交距离的最优控制与微分博弈解。

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2020-11-01 Epub Date: 2020-08-02 DOI: 10.1002/oca.2650

Mohammadali Dashtbali, Alaeddin Malek, Mehdi Mirzaie

{"title":"Optimal control and differential game solutions for social distancing in response to epidemics of infectious diseases on networks.","authors":"Mohammadali Dashtbali, Alaeddin Malek, Mehdi Mirzaie","doi":"10.1002/oca.2650","DOIUrl":"https://doi.org/10.1002/oca.2650","url":null,"abstract":"In this paper, the problem of social distancing in the spread of infectious diseases in the human network is extended by optimal control and differential game approaches. Hear, SEAIR model on simulation network is used. Total costs for both approaches are formulated as objective functions. SEAIR dynamics for group k that contacts with k individuals including susceptible, exposed, asymptomatically infected, symptomatically infected and improved or safe individuals is modeled. A novel random model including the concept of social distancing and relative risk of infection using Markov process is proposed. For each group, an aggregate investment is derived and computed using adjoint equations and maximum principle. Results show that for each group, investments in the differential game are less than investments in an optimal control approach. Although individuals' participation in investment for social distancing causes to reduce the epidemic cost, the epidemic cost according to the second approach is too much less than the first approach.","PeriodicalId":54672,"journal":{"name":"Optimal Control Applications & Methods","volume":"41 6","pages":"2149-2165"},"PeriodicalIF":1.8,"publicationDate":"2020-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/oca.2650","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38302083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Analysis of COVID‐19 and comorbidity co‐infection model with optimal control 最优控制下的COVID - 19及共病共感染模型分析

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2020-08-04 DOI: 10.1101/2020.08.04.20168013

A. Omame, N. Sene, I. Nometa, C. I. Nwakanma, Emmanuel U Nwafor, N. O. Iheonu, D. Okuonghae

{"title":"Analysis of COVID‐19 and comorbidity co‐infection model with optimal control","authors":"A. Omame, N. Sene, I. Nometa, C. I. Nwakanma, Emmanuel U Nwafor, N. O. Iheonu, D. Okuonghae","doi":"10.1101/2020.08.04.20168013","DOIUrl":"https://doi.org/10.1101/2020.08.04.20168013","url":null,"abstract":"In this work, we develop and analyze a mathematical model for the dynamics of COVID‐19 with re‐infection in order to assess the impact of prior comorbidity (specifically, diabetes mellitus) on COVID‐19 complications. The model is simulated using data relevant to the dynamics of the diseases in Lagos, Nigeria, making predictions for the attainment of peak periods in the presence or absence of comorbidity. The model is shown to undergo the phenomenon of backward bifurcation caused by the parameter accounting for increased susceptibility to COVID‐19 infection by comorbid susceptibles as well as the rate of reinfection by those who have recovered from a previous COVID‐19 infection. Simulations of the cumulative number of active cases (including those with comorbidity), at different reinfection rates, show infection peaks reducing with decreasing reinfection of those who have recovered from a previous COVID‐19 infection. In addition, optimal control and cost‐effectiveness analysis of the model reveal that the strategy that prevents COVID‐19 infection by comorbid susceptibles is the most cost‐effective of all the control strategies for the prevention of COVID‐19.","PeriodicalId":54672,"journal":{"name":"Optimal Control Applications & Methods","volume":"42 1","pages":"1568 - 1590"},"PeriodicalIF":1.8,"publicationDate":"2020-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48912836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 43

Towards a Field-Portable Real-Time Organic and Elemental Carbon Monitor. 开发现场便携式实时有机碳和元素碳监测仪

IF 1.5 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2019-08-01 Epub Date: 2019-04-22 DOI: 10.1007/s42461-019-0064-8

D A Parks, K V Raj, C A Berry, A T Weakley, P R Griffiths, A L Miller

{"title":"Towards a Field-Portable Real-Time Organic and Elemental Carbon Monitor.","authors":"D A Parks, K V Raj, C A Berry, A T Weakley, P R Griffiths, A L Miller","doi":"10.1007/s42461-019-0064-8","DOIUrl":"10.1007/s42461-019-0064-8","url":null,"abstract":"Diesel particulate matter (DPM) has been classified as a carcinogen to humans by the International Agency for Research on Cancer. As a result of its potential carcinogenic nature, DPM exposure is regulated by the Mine Safety and Health Administration. Currently, diesel emissions in the workplace are monitored by collecting the aerosol onto filters, which are then sent to a laboratory for thermal-optical analysis using the NIOSH method 5040. This process can take days or even weeks, and workers can potentially be exposed to excessive levels of DPM before the problem is identified. Moreover, the delay involved in getting the loaded filter to the lab inevitably means the loss of some of the more volatile organic carbon. To remedy this delay, researchers from the National Institute for Occupational Safety and Health are seeking to develop a field-portable, real-time method for measuring elemental and organic carbons in DPM aerosols. In the current study, the use of mid-infrared spectrometry was investigated. It is believed that mid-infrared spectroscopy is more suitable for use in a real-time field-portable device than thermo-optical analysis methods. This article presents a method for measuring organic carbon (OC) and elemental carbon (EC) in DPM for a broad range of OC/EC ratios. The method has been successfully applied to laboratory-generated and mine samples.","PeriodicalId":54672,"journal":{"name":"Optimal Control Applications & Methods","volume":"6 1","pages":"765-772"},"PeriodicalIF":1.5,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6863353/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72638224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A priori and a posteriori error estimates of finite‐element approximations for elliptic optimal control problem with measure data 具有测量数据的椭圆型最优控制问题有限元逼近的先验和后验误差估计

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2018-11-19 DOI: 10.1002/oca.2476

Pratibha Shakya, R. K. Sinha

{"title":"A priori and a posteriori error estimates of finite‐element approximations for elliptic optimal control problem with measure data","authors":"Pratibha Shakya, R. K. Sinha","doi":"10.1002/oca.2476","DOIUrl":"https://doi.org/10.1002/oca.2476","url":null,"abstract":"We analyze both a priori and a posteriori error analysis of finite‐element method for elliptic optimal control problems with measure data in a bounded convex domain in Rd (d = 2or3). The solution of the state equation of such type of problems exhibits low regularity due to the presence of measure data, which introduces some difficulties for both theory and numerics of the finite‐element method. We first prove the existence, uniqueness, and regularity of the solution to the optimal control problem. To discretize the control problem, we use continuous piecewise linear elements for the approximations of the state and co‐state variables, whereas piecewise constant functions are used for the control variable. We derive a priori error estimates of order O(h2−d2) for the state, co‐state, and control variables in the L2‐norm. Further, global a posteriori upper bounds for the state, co‐state, and control variables in the L2‐norm are established. Moreover, local lower bounds for the errors in the state and co‐state variables and a global lower bound for the error in the control variable are obtained in the case of two space dimensions (d = 2). Numerical experiments are provided, which support our theoretical results.","PeriodicalId":54672,"journal":{"name":"Optimal Control Applications & Methods","volume":"40 1","pages":"241 - 264"},"PeriodicalIF":1.8,"publicationDate":"2018-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/oca.2476","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"51027437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Linear Weakly Coupled Control Systems 线性弱耦合控制系统

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2018-10-03 DOI: 10.1201/b15929-2

Z. Gajic, M. Lim, D. Skataric, W. Su, V. Kecman

引用次数: 0

Optimal Control of Bilinear Weakly Coupled Systems 双线性弱耦合系统的最优控制

IF 1.8 4区计算机科学

Optimal Control Applications & Methods Pub Date : 2018-10-03 DOI: 10.1201/b15929-15

Z. Gajic, M. Lim, D. Skataric, W. Su, V. Kecman

引用次数: 0