检索结果-内蒙古大学图书馆

Comparisons of government policies for electric automobile battery recycling using system dynamics

Waste management 2025年 203卷 114892页

作者： Wu, Wenqi Li, Ming Huang, George Q. Department of Industrial and Systems Engineering The Hong Kong Polytechnic University Hung Hom Hong Kong School of Economics and Management China University of Mining and Technology Xuzhou221116 China Research Centre The Hong Kong Polytechnic University Hung Hom Hong Kong Research Institute for Advanced Manufacturing The Hong Kong Polytechnic University Hung Hom Hong Kong Research Centre for Digital Transformation of Tourism The Hong Kong Polytechnic University Hung Hom Hong Kong Research Institute for Generative AI The Hong Kong Polytechnic University Hung Hom Hong Kong

This paper established an electric automobile closed-loop chain and obtained optimal pricing and carbon reduction strategies. Then, the system dynamics (SD) method was adopted to define the electric automobile battery closed-loop supply chain (CLSC) boundary. By constructing the stock flow diagram, the linkages between the government module, the positive supply chain module, and the backward recycling module in the CLSC system were visualized, and how emission trading and recycling policies affect decision-making was explained. Furthermore, the full-chain revenue, recovery rate, government revenue, and outlays of eight policy options were simulated. The results indicated that a policy mix was significantly better than a single policy from the perspective of full-chain revenue and the recovery rate. Combining an allowance policy and a deposit–return system could result in greater revenue for the government. Recycling technology advancement and growth in green consumption tendencies enhance the performance of recycling policies. © 2025 Elsevier Ltd

关键词： Recycling

来源：评论

学校读者我要写书评

暂无评论

Dark chocolate: An overview of its biological activity, processing, and fortification approaches

引用

Current Research in Food Science 2022年 5卷 1916-1943页

作者： Samanta, Sharmistha Sarkar, Tanmay Chakraborty, Runu Rebezov, Maksim Shariati, Mohammad Ali Thiruvengadam, Muthu Rengasamy, Kannan R.R. Department of Food Technology and Biochemical Engineering Jadavpur University Kolkata 700032 India Department of Food Processing Technology Malda Polytechnic West Bengal State Council of Technical Education Government of West Bengal Malda 732102 India Department of Scientific Research V. M. Gorbatov Federal Research Center for Food Systems Moscow 109316 Russian Federation Department of Scientific Research K.G. Razumovsky Moscow State University of Technologies and Management (The First Cossack University) 73 Zemlyanoy Val Moscow 109004 Russian Federation Department of Scientific Research Russian State Agrarian University - Moscow Timiryazev Agricultural Academy Moscow 127550 Russian Federation Department of Crop Science College of Sanghuh Life Sciences Konkuk University Seoul 05029 South Korea Laboratory of Natural Products and Medicinal Chemistry (LNPMC) Department of Pharmacology Saveetha Dental College Saveetha Institute of Medical and Technical Sciences (SIMATS) Chennai 600077 India

Dark chocolate gets popularity for several decades due to its enormous health benefits. It contains several health-promoting factors (bioactive components - polyphenols, flavonoids, procyanidins, theobromines, etc, and vitamins and minerals) that positively modulate the immune system of human beings. It confers safeguards against cardiovascular diseases, certain types of cancers, and other brain-related disorders like Alzheimer's disease, Parkinson's disease, etc. Dark chocolate is considered a functional food due to its anti-diabetic, anti-inflammatory, and anti-microbial properties. It also has a well-established role in weight management and the alteration of a lipid profile to a healthy direction. But during the processing of dark chocolate, several nutrients are lost (polyphenol, flavonoids, flavan 3 ol, ascorbic acid, and thiamine). So, fortification would be an effective method of enhancing the overall nutrient content and also making the dark chocolate self-sufficient. Thus, the focus of this review study is to gather all the experimental studies done on dark chocolate fortification. Several ingredients were used for the fortification, such as fruits (mulberry, chokeberries, and elderberries), spices (cinnamon), phytosterols, peanut oil, probiotics (mainly Lactobacillus, bacillus spices), prebiotics (inulin, xanthan gum, and maltodextrin), flavonoids, flavan-3-ols, etc. Those fortifications were done to raise the total antioxidant content as well as essential fatty acid content simultaneously reducing total calorie content. Sometimes, the fortification was done to improve physical properties like viscosity, rheological propertiesand also improve overall consumer acceptance by modifying its bitter taste. © 2022 The Authors

关键词： Bioactives Chocolate Cocoa product Consumer acceptance Food safety Functional food

来源：评论

学校读者我要写书评

暂无评论

Online non-convex learning for river pollution source identification

arXiv

引用

arXiv 2020年

作者： Huang, Wenjie Jiang, Jing Liu, Xiao HKU Musketeers Foundation Institute of Data Science The University of Hong Kong Hong Kong Department of Industrial and Manufacturing Systems Engineering The University of Hong Kong Hong Kong *** Inc. Beijing China Department of Industrial Engineering and Management Shanghai Jiao Tong University Shanghai China Department of Industrial Systems Engineering and Management National University of Singapore Singapore

In this paper, novel gradient-based online learning algorithms are developed to investigate an important environmental application: real-time river pollution source identification, which aims at estimating the released mass, location, and time of a river pollution source based on downstream sensor data monitoring the pollution concentration. The pollution is assumed to be instantaneously released once. The problem can be formulated as a non-convex loss minimization problem in statistical learning, and our online algorithms have vectorized and adaptive step sizes to ensure high estimation accuracy in three dimensions which have different magnitudes. In order to keep the algorithm from stucking to the saddle points of non-convex loss, the "escaping from saddle points" module and multi-start setting are derived to further improve the estimation accuracy by searching for the global minimizer of the loss functions. This can be shown theoretically and experimentally as the O(N) local regret of the algorithms and the high probability cumulative regret bound O(N) under a particular error bound condition in loss functions. A real-life river pollution source identification example shows the superior performance of our algorithms compared to existing methods in terms of estimation accuracy. Managerial insights for the decision maker to use the algorithms are also provided. Copyright © 2020, The Authors. All rights reserved.

关键词： River pollution

来源：评论

学校读者我要写书评

暂无评论

A Planner-Trader Decomposition for Multi-Market Hydro Scheduling

arXiv

引用

arXiv 2021年

作者： Schindler, Kilian Rujeerapaiboon, Napat Kuhn, Daniel Wiesemann, Wolfram Risk Analytics and Optimization École Polytechnique Fédérale de Lausanne Switzerland Department of Industrial Systems Engineering and Management National University of Singapore Singapore Imperial College Business School Imperial College London United Kingdom

Peak/off-peak spreads on European electricity forward and spot markets are eroding due to the ongoing nuclear phaseout in Germany and the steady growth in photovoltaic capacity. The reduced profitability of peak/off-peak arbitrage forces hydropower producers to recover part of their original profitability on the reserve markets. We propose a bi-layer stochastic programming framework for the optimal operation of a fleet of interconnected hydropower plants that sells energy on both the spot and the reserve markets. The outer layer (the planner's problem) optimizes end-of-day reservoir filling levels over one year, whereas the inner layer (the trader's problem) selects optimal hourly market bids within each day. Using an information restriction whereby the planner prescribes the end-of-day reservoir targets one day in advance, we prove that the trader's problem simplifies from an infinite-dimensional stochastic program with 25 stages to a finite two-stage stochastic program with only two scenarios. Substituting this reformulation back into the outer layer and approximating the reservoir targets by affine decision rules allows us to simplify the planner's problem from an infinite-dimensional stochastic program with 365 stages to a two-stage stochastic program that can conveniently be solved via the sample average approximation. Numerical experiments based on a cascade in the Salzburg region of Austria demonstrate the effectiveness of the suggested *** Codes 90C15, 90C17, 90C90 Copyright © 2021, The Authors. All rights reserved.

关键词： Stochastic programming

来源：评论

学校读者我要写书评

暂无评论

Dynamic Sampling Allocation for Selecting a Good Enough Alternative

Dynamic Sampling Allocation for Selecting a Good Enough Alte...

引用

IEEE International Conference on Automation Science and engineering (CASE)

作者： Gongbo Zhang Chun-Hung Chen Qing-Shan Jia Yijie Peng Department of Industrial Engineering and Management Peking University Beijing China Department of System Engineering and Operations Research George Mason University Fairfax USA Center for Intelligent and Networked Systems (CFINS) Department of Automation Tsinghua University Beijing China Department of Management Science and Information Systems Peking University Beijing China

ISBN: (数字)9781728169040

ISBN: (纸本)9781728169057

We consider the problem of selecting a good enough alternative from a finite set of alternatives. Instead of selecting the exactly best alternative, our work aims to maximize the probability of correctly selecting an alternative in an acceptable subset. Under a Bayesian framework, we formulate the problem as a stochastic control problem. We propose a dynamic allocation scheme for selecting a good enough alternative, which optimizes a value function approximation one-step ahead. Numerical results demonstrate the proposed sampling procedure is more efficient than other sampling allocation methods.

关键词： Resource management Dynamic scheduling Bayes methods Gaussian distribution Computational modeling Frequency modulation Covariance matrices

来源：评论

学校读者我要写书评

暂无评论

Development of hydroxyapatite-enhanced membrane for nanoplastics removal: Multiple scenarios and mechanism exploration

引用

Journal of Hazardous Materials 2025年 495卷

作者： Mengna Li Guohe Huang Shuguang Wang Jing Huang Zeyuan Xu Environmental Systems Engineering Program University of Regina Regina Saskatchewan S4S 0A2 Canada China-Canada Center of Energy Environment and Sustainability Research UR-SDU School of Environmental Science and Engineering Shandong University Qingdao 266237 China Shandong Key Laboratory of Water Pollution Control and Resource Reuse School of Environmental Science and Engineering Shandong University Qingdao 266237 China Department of Electrical Computer and Biomedical Engineering University of Pavia Pavia 27100 Italy

Nanoplastics (NPs) are widespread in wastewater systems and more toxic than microplastics (MPs), necessitating effective removal techniques. Although membranes can effectively remove MPs, their efficiency and mechanisms for NPs removal require further study. A novel hydroxyapatite functionalized PVDF (HAPF) membrane was developed for NPs removal. The optimized HAPF membrane was prepared via a one-step method with 800 mg/L HAP at pH 7.3 for 8 hours. It achieved a water flux of 4376.44 LMH, 3.4 times higher than that of the pristine PVDF membrane, while maintaining a polystyrene (PS) NPs rejection above 99.5 %. The HAPF membrane maintained 95 % of its pure water flux when treating wastewater with only PS NPs, but exhibited severe flux decline under varying conditions, such as surface-functionalized PS NPs, pH changes, or coexisting contaminants. Among these, the presence of MgSO 4 alongside PS NPs caused the most severe water flux reduction, with the HAPF membrane undergoing complete blocking, followed by the formation of a cake layer. XDLVO results revealed that there is an attractive interaction between the HAPF membrane and PS NPs, primarily driven by acid-base interaction. The HAPF membrane exhibited significantly lower R m and R f values than the PVDF membrane and achieved a flux recovery rate of 92.94 % over multiple fouling-cleaning cycles. Its water flux was 18.9 times that of the PVDF membrane during long-term filtration. The developed HAPF membrane holds significant potential for advanced water treatment and fouling resistance .

关键词： Hydroxyapatite functionalized PVDF (HAPF) membrane Nanoplastic removal Coexisting pollutants XDLVO theory Hermia theory

来源：评论

学校读者我要写书评

暂无评论

LMI-based Optimization for the Position Feedback Control of Underactuated Robotic systems via an Affine PD Controller: Case of the Pendubot

LMI-based Optimization for the Position Feedback Control of ...

引用

Data Analytics for Business and Industry: Way Towards a Sustainable Economy (ICDABI), International Conference on

作者： Sahar Jenhani Hassène Gritli Giuseppe Carbone Laboratory of Robotics Informatics and Complex Systems (RISC Lab - LR16ES07) National Engineering School of Tunis University of Tunis El Manar Le Belvédère Tunis Tunisia Higher Institute of Information and Communication Technologies & RISC Lab (LR16ES07) University of Carthage Borj Cedria Tunis Tunisia Department of Mechanical Energy and Management Engineering University of Calabria Via Bucci Cubo 46C Rende (Cs) Italy

ISBN: (纸本)9781665490597

The set-point control problem of underactuated mechanical systems is a challenging issue and needs to be further investigated. This research work focuses on such problem for underactuated Lagrangian-type robotic systems, and then the objective lies in designing a suitable controller to change the robot’s current position to a desired state. Thus, our main idea is to control the robotic systems through an affine-type PD controller and by virtue of the LMI-based optimization techniques. Thus, we will develop LMI conditions on the controller gains to ensure the stability of the underactuated robot at the desired state. Then, to achieve this goal, we will consider the rescaled dynamical model describing the difference between the nonlinear model and its approximate linear dynamics, where we assume that this rescaled dynamics satisfies such some Lipschitz condition. Finally, the pendubot manipulator is adopted in order to verify the efficiency of the proposed controller.

关键词： Industries Simulation Friction Position control Stability analysis Nonlinear dynamical systems Mechanical systems

来源：评论

学校读者我要写书评

暂无评论

Corn fiber as a biomass feedstock for production of succinic acid

引用

Bioresource Technology Reports 2021年 16卷

作者： Vallecilla-Yepez, Lisbeth Ramchandran, Divya Long, Dianna Saha, Rajib Wilkins, Mark R. Department of Biological Systems Engineering University of Nebraska Lincoln NE68583 United States Complex Biosystems Program University of Nebraska Lincoln NE68588 United States Department of Chemical and Biomolecular Engineering University of Nebraska Lincoln NE68588 United States Department of Food Science and Technology University of Nebraska Lincoln NE68588 United States Industrial Agricultural Products Center University of Nebraska Lincoln NE68583 United States

The selection of an economical carbon source is a fundamental parameter to establish a successful industrial succinic acid (SA) bioprocess. In this work, corn fiber (CF), a renewable and an inexpensive source of carbohydrates, was successfully used for bioproduction of SA. Optimized liquid hot water (LHW) pretreatment followed by enzymatic hydrolysis were used to obtain corn fiber hydrolysate (CFH). Results in batch fermentation with Actinobacillus succinogenes showed that a control solution mimicking CFH produced 28.7 g/L of SA with a yield of 0.67 g SA/g sugars, while fermentation of CFH produced 27.8 g/L of SA with a yield of 0.61 g SA/g sugars. It was found that culture pH was a critical factor affecting SA production. In sodium acetate buffered media, SA was the major end-product with lower levels of acetic acid (AA) and formic acid (FA). When unbuffered media was used, lactic acid (LA) and ethanol were also detected. © 2021 Elsevier Ltd

关键词： Sugars

来源：评论

学校读者我要写书评

暂无评论

Strategic intent of OBOR: enhancing energy supply resilience

引用

Journal of Shipping and Trade 2020年第1期5卷 1-25页

作者： Tang, Loon Ching Low, Joyce M.W. Department of Industrial and Systems Engineering National University of Singapore Singapore Singapore Singapore Management University Lee Kong Chian Business School #05-01 Singapore Singapore

Since the launch of the One Belt, One Road (OBOR) initiative in 2015, China has announced its intention to invest in major infrastructure projects to promote trade and co-operation with its trading partners along OBOR. This paper examines the current level of trading and key projects underway along OBOR so as to provide insights to understand its strategic intent. In particular, a network model is constructed to analyze the impact to China current and future demand for energy under various conditions especially during prolonged periods of supply uncertainties. Since these key projects are closely connected to the current and proven oil and natural gas reserves locations, the findings propound the OBOR initiative is more than trade and a key motivation is to enhance China’s energy supply resilience amongst other imperatives.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Robust optimization on unrelated parallel machine scheduling with setup times

arXiv

引用

arXiv 2020年

作者： Gao, Chutong Wang, Weihao Shi, Leyuan Department of Mechanics and Engineering Science Peking University Beijing100871 China Department of Industrial Engineering and Management Peking University Beijing100871 China Department of Industrial and Systems Engineering University of Wisconsin-Madison MadisonWI53706 United States

The parallel machine scheduling problem has been a popular topic for many years due to its theoretical and practical importance. This paper addresses the robust makespan optimization problem on unrelated parallel machine scheduling with sequence-dependent setup times, where the processing times are uncertain, and the only knowledge is the intervals they take values from. We propose a robust optimization model with min-max regret criterion to formulate this problem. To solve this problem, we prove that the worst-case scenario with the maximum regret for a given solution belongs to a finite set of extreme scenarios. Based on this theoretical analysis, the procedure to obtain the maximum regret is proposed and an enhanced regret evaluation method (ERE) is designed to accelerate this process. A multi-start decomposition-based heuristic algorithm (MDH) is proposed to solve this problem. High-quality initial solutions and an upper bound are examined to help better solve the problem. Computational experiments are conducted to justify the performance of these methods. Copyright © 2020, The Authors. All rights reserved.

关键词： Heuristic algorithms

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：