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智能仓储是实现智能工厂的必须条件,制造执行系统(MES)是一套处于产线设备与ERP之间的生产信息管理系统,通过调度自动引导车AGV与仓储工作站的数据实时交互,在智能工厂的生产和物流环节中,实现物料输送过程的透明化.根据项目实例,描述了MES系统在智能车间与AGV及仓储工作站的数据交互,以及多型号物料的自动补料和过程管理.该系统具有高度开放性、灵活性以及实用性的特点. 相似文献
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为节省企业成本,更好地适应市场的竞争环境,考虑多层车间与自动存取系统的规划设计问题变得愈发重要。针对定制型装备制造企业,多层车间中自动小车存取系统的自动导引小车(AGV)数量配置优化,研究将排队网络分析模型与启发式算法相结合的优化方法。以最小化AGV投资成本为目标函数,建立以吞吐率和空闲AGV数量两个性能指标双重约束的优化模型。由于约束条件无法用决策变量的封闭形式表示,提出排队网络模型用于求解性能指标,并通过将性能分析方法嵌入进启发式算法来优化AGV的配置方案。最后设计实验算例,通过将算例结果与仿真实验结果进行对比,验证了所提方法的有效性和准确性。 相似文献
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电磁导向式差速型自动导向车导向控制仿真系统 总被引:2,自引:0,他引:2
针对电磁感应式差速型自动导向车 (AGV)的导向控制系统 ,提出一个相对简化的运动学参考模型 ,并以此作为AGV导向控制系统设计的基础 ,利用MATLAB/Simulink建立了控制仿真系统。通过该仿真系统可以验证诸如PID、模糊控制等AGV运行控制方式 ,检测AGV在多种干扰信号下的运行特性 ,以及测试由AGV车体结构上的变化所带来的影响。另外 ,在Simulink仿真环境中 ,可以直接通过图表方式监测任意状态变量的变化趋势 ,参数的更改相当便捷。试验证明 ,由该仿真系统模拟的参数比较接近实际监测到的数据 ,对于实际小车的控制具有一定的参考价值 ,为今后AGV控制系统的设计提供了依据。 相似文献
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某公司是为生产商提供物流仓储的公司,为提高全厂的自动化水平,规划出一间厂房进行自动导引车(AGV)试点,其中该厂房主要有17列货架,每个货架有5层,然后采用AGV设备将货物分类放置在货架上,24 h不停地工作。结果表明,AGV完全可以胜任此项工作,而且减少人力,此外针对小型仓库,相对于建造立体库较为节省成本。 相似文献
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自动导引小车(AGV)作为智能物流的关键设备之一,提高了物流系统的灵活性,降低了成本以及生产、运输和存储的时间。对AGV做了简要介绍,涉及柔性规划、提高效率和安全可靠的特点。基于市面上潜伏顶升式、牵引式、背负式和叉车式四种主要形式AGV,分析了AGV在物流仓储领域的典型应用场景,即内部物流运输仓储及电商分拣两大应用场景,同时对AGV的四类引导方式的区别做了介绍。 相似文献
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AGV技术及在卷烟厂的应用 总被引:1,自引:0,他引:1
随着现代物流的发展,自动引导车辆AGV在汽车装配线、家电企业、烟厂等仓储物流作业得到了广泛应用.文章简要介绍了自动引导车辆AGV的结构、导引技术及在烟草行业物流中的应用. 相似文献
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N. Jawahar P. Aravindan Dr S. G. Ponnambalam R. K. Suresh 《The International Journal of Advanced Manufacturing Technology》1998,14(6):428-440
Flexible manufacturing systems (FMS) comprise, automated machine tools, automated material handling, and automated storage and automated retrieval systems (AS/RS) as essential components. Effective sequencing and scheduling of the material handling systems (MHS) can have a major impact on the productivity of the manufacturing system. The material handling cannot be neglected while scheduling the production tasks. It is necessary to take into account the interaction between machines, material handling systems and computer. In this context, this paper attempts to link the operation of automated guided vehicles (AGV) with the production schedule and suggests a heuristic algorithm that employs vehicle dispatching rules (vdr) for conflict resolution. The vdrs considered in this paper are: shortest operation time (SPT), longest operation time (LPT), longest travel time (LTT) and shortest travel time (STT). The performance of the vdrs in the proposed heuristic is compared with makespan criteria. The results show that the STT provides the best solutions compared to other vdrs. 相似文献
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针对如何将自动化立体仓库的仓储特点和在线服务特点集成于一体的问题,作者提出了一个基于数据库设计和程序方法的方案,实现了一个仓库两种出入库管理模式。实践证明,该方案思路正确、可操作性强,在中小型企业的物流系统应用中具有实际价值。 相似文献
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Optimal random storage allocation for an AS/RS in an FMS 总被引:3,自引:2,他引:1
N. Jawahar P. Aravindan Dr. S. G. Ponnambalam 《The International Journal of Advanced Manufacturing Technology》1998,14(2):116-132
A flexible manufacturing system (FMS) comprises, automated machine tools, automated material handling, and an automated storage and retrieval system (AS/RS) as essential components. Optimal performance of each element of this system would improve the productivity and efficiency of the total FMS. In this context, this paper attempts to link the operation of the AS/RS with the production schedule and suggests two different classes of algorithms, namely, heuristics and genetic algorithms to improve the performance of the AS/RS operation by allocating the materials with minimum movement of the shuttle. 相似文献
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0 INTRODUCTIONAS/RS is a basic element of the modern materialhandling system. It has two main advantages: First, itcan save storage spaces and enhance its storagecapacity by its elevated structure; Second, it featuresof automated storing and retrieving and ensures highout warehouse efficiency due to being controlled bycomputers and PLCs, interfacing with production orsell processes, on-line feeding service can beprovided.AS/RS emphasizing on the first advntagecan be called storage-ori… 相似文献
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为提高现代企业仓储物流的设计质量和效率,提出了一种基于资源颜色时序信号的扩展Petri网建模及控制系统设计方法.该方法首先采用资源颜色时序信号的扩展Petri网建立了仓储系统的动态模型,清晰地描述了各种物流活动的顺序、并发,冲突等关系,并结合关联矩阵,阐述了判断死锁和陷阱的方法.该方法建立的模型可根据Petri网运算规则进行保性化简,便于仿真分析和验证,且可直接用于系统可编程逻辑控制器的控制程序设计.最后,以仓储物流控制系统为例,阐述了系统建模及控制设计过程. 相似文献
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Design and control of an AS/RS 总被引:2,自引:0,他引:2
Riccardo Manzini Mauro Gamberi Alberto Regattieri 《The International Journal of Advanced Manufacturing Technology》2006,28(7-8):766-774
Automated storage/retrieval systems (AS/RSs) are a combination of equipment and controls which automatically handle, store
and retrieve materials (components, tools, raw material and subassemblies) with great speed and accuracy. Consequently, they
are widely used in industrial companies to manage products with cost-effective utilization of time, space and equipment. This
paper presents a multi-parametric dynamic model of a product-to-picker storage system with class based storage allocation
of products. Thousands of what-if scenarios are simulated in order to measure the impact of alternative design and operating
configurations on the expected system performance and to identify the most critical factors and combinations of factors affecting
the response of the system. Class based storage proves to be a very effective way of both reducing the picking cycle time
and maximizing the throughput of the system. The rapid effectiveness of visual interactive simulation (VIS) in supporting
the design (redesign) and control of new (existing) warehouses emerges, responding to the need for flexibility which modern
companies need in order to adapt to strongly changing operating conditions quickly. 相似文献
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Tone Lerher Milan Edl Bojan Rosi 《The International Journal of Advanced Manufacturing Technology》2014,70(1-4):97-115
In this paper, the energy efficiency model for the mini-load AS/RS is presented. As the existing models of AS/RS apply to already well-known objectives (minimum travel time, maximum throughput and minimum cost), the energy efficiency model for the mini-load AS/RS is proposed and discussed. According to global trends in material handling and warehousing, the design process should encompass not only the application of the equipment with fastest drives but should also consider the energy and environment aspect on the installed equipment. The proposed energy efficiency model for the mini-load AS/RS enables reduction of energy consumption and consequently the CO2 emission, which is good from the economic and environmental point of view. We sincerely hope that the energy and environment aspect will indubitably bring changes into planning of warehouses and will mean great challenge for those who are engaged in the planning process. 相似文献
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Kuan-Yu Hu Tian-Sheng Chang 《The International Journal of Advanced Manufacturing Technology》2010,48(1-4):297-305
Flexible and timely warehousing activities provide a strong foundation for logistic systems. However, increasing B2C e-commerce with a variety of small internet orders may have a tremendous impact on warehousing. Automated storage/retrieval systems (AS/RSs) are a valid alternative for warehousing. Typical AS/RSs design and control problems in a static environment and cannot effectively manage parcel, small, and irregular items. This study proposes a new AS/RS that is more efficient and flexible for handling B2C e-commerce logistics. An auto-access multilevel conveying device (IMCD) with three-dimensional movement is integrated into the AS/RS. The ant colony system algorithm locates near-optimal routes for the IMCD. Typical travel distance/time measures evaluate the performance of an S/R device running on a warehouse floor. However, the performance index in this study looks at the IMCD’s travel time with three-dimensional movement in completing a batch order. To validate the new AS/RS, two simulation experiments were conducted to examine the effects of three-dimensional velocity and rack shape. Finally, this study compares a typical S/R system with the new AS/RS and makes recommendations for practical applications and further research. 相似文献