نتایج جستجو برای: agv colonys efficiency

تعداد نتایج: 388512  

2007
Byung Joo PARK Hyung Rim CHOI

In order to become a mega hub port, major ports all over the world are making every effort to enhance their productivity through efficiency of internal operation. Accordingly, in order to enhance the competitiveness of a container terminal, an automated container terminal is considered as the best alternative. An automated container terminal is using such automated handling equipment as AGV (Au...

2005
Carlos E. Villanueva Cano Alberto J. Alvares Sadek A. Alfaro

. Object-oriented modelling provides a new point of view to focus a flexible manufacturing system using organized models similar to the Flexible Manufacturing Cell (FMC) presented in this paper which composed by Flexible Manufacture Modules (FMMs) and an automated guided vehicle (AGV). The implemented FMC working with revolution specimens, with predetermined measures length, are composed mainly...

2013
Kazi M. Hossain Arif A. Sohel

The control, navigation and interaction with the working environment of Automated Guided Vehicles (AGV) are indispensable processes for material handling in a Flexible Manufacturing System(FMS) . In this paper, the prospect of using an optical mouse as an economical yet efficient alternative sensor for AGV navigation and control is depicted. This work emphasizes on the supervision and surveilla...

2014
Solomon Sunday Oyelere

This paper investigates the application of Model Predictive Control (MPC) to fast systems such as Autonomous Ground Vehicles (AGV) or mobile robots. The control of Autonomous ground vehicles (AGV) is challenging because of nonholonomic constraints, uncertainties, speed, accuracy of controls and the vehicle's terrain of operation. Two nonlinear models: a car-like model and a bicycle model are co...

Journal: :Simulation Modelling Practice and Theory 2007
Saadettin Erhan Kesen Ömer Faruk Baykoç

Automated Guided Vehicle (AGV) systems have been frequently used as material handling equipment in manufacturing systems since the last two decades. The use of AGV systems has taken attention of practitioners and researchers. Although there are numerous studies concerning with AGV systems in literature, a few of them deal with the adaptation of these systems into JIT systems. Moreover, the faci...

2014
Manuj Darbari

Flexible Manufacturing System (FMS),equipped with several CNC machines and Auto Guided Vehicle (AGV) based material handling systems has been designed and implemented to have the flexibility and efficiency in production process. After the implementation of FMS, various problems came such as the scheduling of the resources, such as frequent variation in the parts, tools, AGV routings, becomes a ...

2010
P. Kumanan

Flexible Manufacturing System (FMS), which is equipped with several CNC machines and Automated Guided Vehicle (AGV) based material handling system is designed and implemented to gain the flexibility and efficiency of production. After the implementation of FMS, in practice, the scheduling of the resources, such as frequent variation in the parts, tools, AGV routings, becomes a complex task. Thi...

2012
Leehter Yao Yuan-Shiu Chen

Fuzzy logic inference system (FIS) has been widely applied to the controller design for automatic guided vehicles (AGV) because FIS allows easier controller design under uncertainty and nonlinearity (Hwang et al., 2007; Godjevac & Steele, 1999; Baturone et al., 2008; Er &Deng, 2004; Ng & Trivedi, 1998). Wall following is a commonly adopted scheme for an AGV to navigate in the indoor or outdoor ...

Journal: :JACIII 2011
Shigeru Kato Kevin Kok Wai Wong

This paper describes the intelligent Automated Guided Vehicle (AGV) control system using Fuzzy Rule Interpolation (FRI) method. The AGV used in this paper is a virtual vehicle simulated using computer. The purpose of the control system is to control the simulated AGV by moving along the given path towards a goal. Some obstacles can be placed on or near the path to increase the difficulties of t...

Journal: :Archives of ophthalmology 2009
Yvonne Ou Fei Yu Simon K Law Anne L Coleman Joseph Caprioli

OBJECTIVES To evaluate the long-term efficacy of intraocular pressure reduction and complications of Ahmed glaucoma valve (AGV) implantation in children with primary congenital glaucoma. METHODS The medical records of patients with primary congenital glaucoma who underwent AGV implantation with a minimum follow-up of 6 months were reviewed. The primary outcome measure was cumulative probabili...

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