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2010 International Conference on Logistics Systems and Intelligent Management (ICLSIM)最新文献

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Study on the price mechanism and the policies of government for integration a rice supply chain 稻米供应链整合的价格机制与政府政策研究
Zhijie Leng, Panying Zhao, Xinli Wang
The price mechanism among the nodes of a rice 3-stage supply chain is studied based on the threshold co-integration model. Firstly, the mechanism shows that there is a central market of rice origin. So there are long-term cointegration and short-term cointegration between the price in the central market and the other price origin and the price of processor respectively. There is a central market of polished rice in the place of processor. So there are long-term cointegration and short-term cointegration between the price in the central market and the price in the place of partly origin and the price in the place of wholesalers respectively. There is long-term cointegration, but short-term un-cointegration, between the price of rice and the price of polished rice in the place of processor. So the prices in the place of partly origin, processor and wholesalers can be forecasted in short-term by the threshold cointegration model. The mechanism presents the pricing basis for the nodes of the supply chain. Secondly, based on the mechanism, government regulation should be put on the price of rice in the place of origin and the price of polished rice in the place of processor highlight. The government intervene the unusual fluctuations of prices between the different markets which are not short-term cointegration. The intervention has threshold features. The government's policies should regulate the system of the supply chain to promote the integration of the supply chain.
基于阈值协整模型,研究了大米三级供应链节点间的价格机制。首先,该机制表明存在一个稻米原产的中心市场。因此,中心市场价格与其他产地价格和加工者价格之间分别存在长期协整和短期协整关系。在加工的地方有一个精米的中心市场。因此,中心市场价格与部分产地价格、批发地价格分别存在长期协整和短期协整关系。加工地大米价格与精米价格之间存在长期协整关系,但短期不存在协整关系。因此,可以利用阈值协整模型对部分产地、加工者和批发商的价格进行短期预测。该机制为供应链节点提供了定价基础。其次,以机制为基础,政府调控大米产地价格和精米加工地价格的重点。政府干预不同市场之间不寻常的价格波动,这不是短期协整。干预具有阈值特征。政府的政策应该规范供应链体系,促进供应链的整合。
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引用次数: 0
Energy consumption assessment by AIA based time series scatter degree method 基于AIA的时间序列分散度法的能耗评估
Yu Zhaoji, Chang Chun-guang, W. Wenjuan, Mao Qiang
To enlarge the difference of assessment values for energy consumption in equipment manufacturing industry among varied time, AIA based time series scatter degree method (AIA/TSSDM) is proposed so as to improve the energy consumption assessment performance. The comprehensive solution for energy consumption assessment by AIA/TSSDM is presented. AIA is introduced to adapt the conventional scatter degree method, and overcome the disadvantage of generating negative weights. In AIA, the scatter degree method oriented encoding system for antigens and antibodies is designed, the antibody density calculation is described. Several typical operators such as selecting, crossover and mutation are discussed, and the detail implement steps of AIA/TSSDM are designed. The energy consumption for equipment manufacturing industry in Shenyang city is take as research background, the above presented algorithm is applied. Comparing with conventional AHP, the difference of energy consumption assessment values for equipment manufacturing industry on varied years is enlarged. And solution diversity can be kept by introducing AIA in this algorithm so as to provide multi typical weight vectors.
为了扩大装备制造业能耗评价值在不同时间间的差异,提出了基于AIA的时间序列离散度法(AIA/TSSDM),以提高能耗评价的效果。提出了AIA/TSSDM能耗评估的综合解决方案。引入AIA来改进传统的散射度方法,克服了产生负权的缺点。在AIA中,设计了面向分散度法的抗原和抗体编码系统,描述了抗体密度的计算。讨论了选择、交叉和突变等几种典型操作,设计了AIA/TSSDM的具体实现步骤。以沈阳市装备制造业能耗为研究背景,应用上述算法进行优化。与传统层次分析法相比,扩大了装备制造业不同年份能耗评价值的差异。通过在该算法中引入AIA,可以保持解的多样性,从而提供多个典型权向量。
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引用次数: 2
Reverse channel evolutionary analysis for closed-loop supply chain with competing manufacturers and exclusive dominant retailers 具有竞争制造商和独占优势零售商的闭环供应链逆向渠道演化分析
Han Xiaohua
Reverse channel decision has great influence in the operation efficiency of closed-loop supply chain. To deal this problem, the reverse channel decision was studied based on evolutionary game in the closed-loop supply chain with competing manufactures and exclusive dominant retailers. Results indicate that the competition degree among manufacturers, the collection difficulty and remanufacturing cost saving affect the evolution result of reverse channel together; using subsidy policy government can encourage manufacturers to choose direct reverse channel, which is more benefit to customers and society. Finally, the paper proves the correctness of the research findings by numerical analysis.
逆向渠道决策对闭环供应链的运行效率有很大的影响。针对这一问题,研究了在制造商竞争和零售商独占的闭环供应链中,基于进化博弈的逆向渠道决策。结果表明,厂商间竞争程度、回收难度和再制造成本节约共同影响逆向渠道演进结果;政府可以利用补贴政策鼓励制造商选择直接逆向渠道,这对消费者和社会更有利。最后,通过数值分析验证了研究结果的正确性。
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引用次数: 2
Countermeasures to cope with waste electrical and electronic equipment in Guangxi 广西废旧电器电子设备的应对对策
Xiao Jijun, Liu Jingsi, Liu Meilian
The rapid economic development has promoted the demand for electronic products and consumption, which caused the rapid expansion of the waste electrical and electronic equipment. These made a tremendous impact on the recycle economy development and the environment protection in Guangxi. By means of field research and statistical data analysis methods, analysis of e-waste recycling situation, summed up the electronic waste recycling to the existence of major obstacle in Guangxi: the total distribution of electronic waste is not certain, the E-waste market is complicated, the non-governmental workshops adopt the simple technology to dispose e-waste in Guangxi and so on. To cope with these problems, summarizing the electronic waste recycling practices and experience in developed countries as well as in Taiwan, and some countermeasures and suggestions for e-waste recycling have been highlighted in Guangxi.
经济的快速发展促进了对电子产品的需求和消费,造成了废旧电器电子设备的迅速膨胀。这对广西循环经济的发展和环境保护产生了巨大的影响。通过实地调研和统计数据分析等方法,对广西电子垃圾回收现状进行分析,总结出广西电子垃圾回收存在的主要障碍:电子垃圾总量分布不确定、电子垃圾市场复杂、民间作坊采用简单技术处理电子垃圾等。针对这些问题,总结了发达国家和台湾地区电子垃圾回收利用的做法和经验,重点提出了广西电子垃圾回收利用的对策和建议。
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引用次数: 1
Robust output feedback control for time-delay fuzzy systems with persistent bounded disturbances 具有持续有界扰动的时滞模糊系统的鲁棒输出反馈控制
Tao Hongfeng, Hu Shousong
The robust static output feedback control problem for a class of T-S fuzzy systems with time-varying state delay and disturbances both in the inputs and outputs is discussed. By defining a delay-dependent Lyapunov function, the robust control technique is extended to the time-delay systems, the synthetical design procedures of the static output feedback controllers are derived in terms of the linear matrix inequalities, and the robust performance is optimized by the iteration algorithms. This method can efficiently attenuate the peak of the persistent bounded disturbances, and will be more appealing in some practical applications.
讨论了一类具有时变状态延迟和输入输出均有扰动的T-S模糊系统的鲁棒静态输出反馈控制问题。通过定义时滞相关的Lyapunov函数,将鲁棒控制技术推广到时滞系统,根据线性矩阵不等式推导出静态输出反馈控制器的综合设计步骤,并通过迭代算法优化鲁棒性能。该方法能有效地衰减持续有界扰动的峰值,在实际应用中更有吸引力。
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引用次数: 0
Study on the optimization model of logistics industry alliance based of the game theory 基于博弈论的物流产业联盟优化模型研究
W. Xiaoguang, Huang Youfang, Ju Yanbing, Wang Yuanfeng
Logistics industry dynamic alliance is the special products or services delivery process which a number of enterprises within the demand network system cooperate and collaborate under specific conditions and certain relationship. The reasonable profit distribution among the members of logistics dynamic alliance should be the foundation of successful steady collaboration network and it is essential to set up rational profit-sharing regulation among the members of logistics dynamic alliance. In this paper, according to Nash equilibrium theory, the optimum profit-sharing coefficient among the members of logistics industry dynamic alliance is derived under the cooperation and collaboration basis and reasonable quantitative strategy for profit distribution could be implemented.
物流业动态联盟是需求网络系统内的多家企业在特定条件和一定关系下协同合作的特殊产品或服务交付过程。物流动态联盟成员间合理的利益分配是构建成功稳定的物流动态联盟协作网络的基础,建立合理的物流动态联盟成员间利益分配规则至关重要。本文根据纳什均衡理论,在合作协作的基础上,推导出物流业动态联盟成员之间的最优利润分享系数,并实施合理的定量利润分配策略。
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引用次数: 1
Exponential stability for NCS with time-varying delay and dynamical state feedback 具有时变时滞和动态反馈的NCS的指数稳定性
Xiangdong Dang, Qingling Zhang
This paper concerns the problem of the model, stability and controller design for networked control system (NCS) with time-varying delay and dropped out packet. For the NCS with time-varying delay and data packet dropout, four new control methods of dynamical state feedback control, dynamical state feedback proportional-integral (PI) control, state feedback proportional-derivative (PD) control and dynamical state feedback PD control are presented. The NCS with time-varying delay and data packet dropout based on the four control methods is modeled as an asynchronous dynamical system (ADS) constrained by event rates. Furthermore, based on the ADS theory, principle of Lyapunov stability and method of linear matrix inequality, both the semi-negative definite matrix conditions of exponential stability and the controller design for NCS are given. Finally, numerical example illustrates the feasibility of the results.
本文研究了具有时变时延和丢包的网络控制系统的模型、稳定性和控制器设计问题。针对时变时延和数据包丢失的网络控制系统,提出了动态反馈控制、动态反馈比例积分(PI)控制、状态反馈比例导数(PD)控制和动态反馈PD控制四种新的控制方法。将基于四种控制方法的时变时延和数据包丢失的网络控制系统建模为受事件率约束的异步动态系统。在此基础上,基于ADS理论、Lyapunov稳定性原理和线性矩阵不等式方法,给出了指数稳定性的半负定矩阵条件和NCS控制器的设计。最后,通过数值算例说明了所得结果的可行性。
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引用次数: 0
Research and development on worker-oriented supporting module in Statistical Process Control system 统计过程控制系统中面向工人的支持模块的研究与开发
Cunrong Li, Chunwei Song, Chongna Sun
Based on the Failure Mode and Effect Analysis (FMEA) theory, a worker-oriented supporting module in Statistical Process Control (SPC) system is developed. This module can provide effective suggestions for quality problems arising from the processes on the assembly line with a search engine according to the inner knowledgebase. Combining FMEA and knowledgebase, this module also can offer the end-users a series of suggestions which can help workers in solving problem through reasoning and analyzing. The merit of this module is to find the potential defects during the manufacturing process in advance and to guide the end-users with reasonable operation suggestions.
基于失效模式与影响分析(FMEA)理论,开发了统计过程控制(SPC)系统中面向工人的支持模块。该模块可以根据内部知识库,通过搜索引擎对装配线上各工序出现的质量问题提供有效的建议。该模块结合FMEA和知识库,为最终用户提供一系列建议,帮助工作人员通过推理和分析解决问题。该模块的优点在于能够提前发现制造过程中潜在的缺陷,并给出合理的操作建议来指导最终用户。
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引用次数: 1
Evaluation on Collector-Distributor Service Network of Comprehensive Passenger Transportation Hub 综合客运枢纽集散服务网络评价
Ren Xue, Ji Xu, Li Qian, H. ting
The pedestrian behaviors in Comprehensive Passenger Transportation Hub (CPTH) were taken as the research object, and Beijing South Railway Station was taken as the study background. The Collector-Distributor processes were classified hierarchically into three levels, and then the several processes were simulated. The Collector-Distributor Service Network (CDSN)'s service ability of CPTH was evaluated dynamically during the rush hours. The bottlenecks of CDSN were found after the simulations, the improvement measures to relieve bottlenecks were proposed, and then the simulations were done again to prove the improvement measures are very efficient by analyzing and comparing
以综合客运枢纽(CPTH)行人行为为研究对象,以北京南站为研究背景。将收集-分配过程分层划分为三个层次,并对各个层次的过程进行了仿真。对CPTH集散服务网络(CDSN)在高峰时段的服务能力进行动态评价。仿真后发现了CDSN的瓶颈,提出了缓解瓶颈的改进措施,并通过分析比较再次进行了仿真,验证了改进措施的有效性
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引用次数: 0
Forecasting methods and application of regional logistics demand based on wavelet neural network 基于小波神经网络的区域物流需求预测方法及应用
Sun Ming, Wu Jing
Wavelet neural network is a neural network combining the wavelet theory with neural network theory, which avoids nonlinear optimization problems such as blindness of the design of BP neural network structure and local optimum, greatly simplifying the training. The use of wavelet neural networks to forecast regional logistics demand provided an important reference for regional logistics systematic planning and the rational allocation of logistic resources. Therefore, the use of regional economic indicators to forecast regional logistics demand had strong feasibility and promotes the coordinated development between regional logistics industry and regional economy. The model reveals nonlinear mapping relationship between the regional economy and regional logistics demand and provides a new idea and method for the regional logistics demand forecasting.
小波神经网络是将小波理论与神经网络理论相结合的一种神经网络,避免了BP神经网络结构设计的盲目性和局部最优等非线性优化问题,极大地简化了训练。利用小波神经网络对区域物流需求进行预测,为区域物流系统规划和合理配置物流资源提供了重要参考。因此,利用区域经济指标预测区域物流需求具有较强的可行性,促进了区域物流业与区域经济的协调发展。该模型揭示了区域经济与区域物流需求之间的非线性映射关系,为区域物流需求预测提供了一种新的思路和方法。
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引用次数: 1
期刊
2010 International Conference on Logistics Systems and Intelligent Management (ICLSIM)
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