Hironori Hibino

Manufacturing adapter of distributed simulation systems using HLA

In this research, a distributed simulation system to easily evaluate a very large manufacturing system by synchronizing several different simulators is developed. We designed the distributed simulation system using the High Level Architecture (HLA) as the IEEE1516 standard. A manufacturing adapter to connect manufacturing system simulators with HLA using a plug-in style is proposed. The developed distributed simulation system is confirmed using a case to evaluate a hypothetical manufacturing system which produces motors. Three major commercial based manufacturing system simulators, QUEST, SIMPLE++, and GAROPS, are connected using the developed manufacturing adapter. The storage model method to connect simulation models and synchronize the simulators is used in the case study. A case study is then carried out to evaluate the performance of the cooperative work.

The development of an object-oriented simulation system based on the thought process of the manufacturing system design

The purpose of this research is to develop an integrated evaluation environment for manufacturing system designs. In this paper, we analyzed the thought process of manufacturing system design, and proposed a manufacturing system model for planning and evaluation by using a thought process model. The model evaluates a manufacturing systems design from the abstracted design phase to the detailed design. Finally, a prototype system for simulation using an object-oriented methodology was developed and implemented for a flow shop type manufacturing system design applying the proposed simulation model.

Advances in production management systems: Innovative production management towards sustainable growth: IFIP WG 5.7 international conference, APMS 2015 Tokyo, Japan, september 7-9, 2015 proceedings, Part I

Studies on interorganizational networks tend to be dense in their different aspects such as structural characteristics, nature of the links and transactional content, but light on power in networks. The purpose of this paper is to study a possible correlation between power and trust in an interorganizational network. Using quantitative methodology based on a survey sample made in 29 food companies that belong to a Brazilian food association, it was possible to statistically correlate power and trust in this network. The findings can be of importance to present what aspects the companies in this network pay more attention to: power, trust and their relationship, and to present a methodology that can be reproduced for the studies of power in networks. As a characteristic of empirical studies in networks, the temporal transversality of the nature of the sample does not allow generalizations.

Simulation for Sustainable Manufacturing System Considering Productivity and Energy Consumption

Managing energy consumption of manufacturing systems has become immediately necessary because electricity consumption has become severely restricted in Japan after the Tohoku earthquake on March 11, 2011. Moreover the energy conservation law has been revised in Japan in April, 2010. This law requires management of the energy consumption and reinforces the regulation to reduce more than one percentage of the previous year’s energy consumption per unit of production throughput. Manufacturing system simulations to evaluate productivity have often been used when designing and improving sustainable manufacturing systems. However, manufacturing system simulations to evaluate energy consumption per unit of production throughput and the amount of energy consumption have not been proposed. The purpose of our research is to establish a simulation environment for sustainable manufacturing systems considering the productivity and energy consumption. We also propose an implementation for the simulation environment. A case study for a middle-scale semiconductor manufacturing line is carried out to confirm the efficiency of our proposed simulation environment.

Formalising Specific-Energy Consumption Under a Production-Management Form Where Rush Orders Are Added in Time Slots

Factory-production activity is conducted based on production plans, which will unavoidably have to be revised due to changes in the production context. These changes should be considered when drafting production plans because of the frequent occurrence of rush orders with short deadlines. Since rush orders interrupt regular orders, we may consider that increased setup times, lower production quantities, and increased specific-energy consumption will accompany their addition.

Simulation Method for Evaluation of Productivity and Energy Consumption Concerning Production Line for Injection Molding Machines

Methods for evaluating productivity and energy consumption simultaneously have been getting significant interest in the industry. In particular, although injection molding machines are important system components for production in plastic molding, a method for simultaneously evaluating their productivity and energy consumption has not been established. Therefore, we propose a simulation method that is based on a state transition model containing state transitions and states of machines in an injection molding production line.

Formulation of Relationship Between Productivity and Energy Consumption in Manufacturing System

In the industrial world, since the amount of energy to consume is very large, it is required to manage and reduce energy consumption while maintaining a high productivity. In order to approach the theoretical realization the production conditions that affect a productivity or energy consumption, we investigate the formulation of the relationship between energy consumption and production throughput, and verify it by using numerical simulation.

Optimal Storage Assignment for an Automated Warehouse System with Mixed Loading

In this study, an automated warehouse system with mixed loading is considered. The majority of previous studies considered assumptions that were similar to those for a single-shuttle system with single loading. Due to the increased number of items in recent years, storage assignment strategies with single loading are not feasible because of the shortage of storage racks. This study adopts a storage policy with mixed loading for an automated warehouse system, which enables the use of one warehouse. Additional movement and transshipment operations, which involve mixed loading, are considered in this paper.