نتایج جستجو برای: machine breakdowns

تعداد نتایج: 265055  

Journal: :Inf. Syst. J. 2009
Pernille Bjørn Ojelanki K. Ngwenyama

Managing international teams with geographically distributed participants is a complex task. The risk of communication breakdowns increases due to cultural and organizational differences grounded in the geographical distribution of the participants. Such breakdowns indicate general misunderstandings and a lack of shared meaning between participants. In this paper, we address the complexity of b...

Journal: :International Journal of Systems Science: Operations & Logistics 2023

The joint optimisation of production scheduling and maintenance planning can significantly decrease interruptions (or stoppages) and, simultaneously, improve stability enhance the reliability availability equipment machines. This paper studies schedules CBM plans in a parallel-machine setting. machines are subject to deterioration, unexpected breakdowns, deterioration-based failures. is modelle...

2000
Lingxue Kong Peter D. Hodgson Saeid Nahavandi

The effect of many internal and external factors, such as machine breakdowns, unacceptable quality, and order problems, needs to be considered in the metal forming processes to control and improve the production efficiency. An intelligent decision support system is developed in this work to integrate subjective information (expert knowledge, empirical models, systematic process analysis etc) an...

2012
K. SCHEMELEVA

Uncertainties in production and assembly processes have a significant influence on performance. When one speaks about uncertainties, in most of the cases it implies machine breakdowns, defective items or different uncertainties in procurement. However, especially in manual production, each realistic model should also take into account and treat human related uncertainties. Unfortunately, in con...

2016
Kotaro Funakoshi Ryuichiro Higashinaka Michimasa Inaba Yuka Kobayashi Saku Sugawara Katsuya Takanashi Hiroko Otsuka Hanae Koiso Mayumi Bono

We organized the dialogue breakdown challenge, which is an evaluation workshop dedicated to the detection of breakdowns in Japanese human-machine chat-oriented dialogues. This paper reports analyses made on the breakdown annotation to the evaluation data used in the challenge and on behaviors of the detection systems submitted by six teams. The performances of the ensembles of the systems are a...

1999
Krzysztof Trojanowski Zbigniew Michalewicz

Most real-world applications operate in dynamic environments. In such environments often it is necessary to modify the current solution due to various changes in the environment (e.g., machine breakdowns, sickness of employees , etc). Thus it is important to investigate properties of adaptive algorithms which do not require restart every time a change is recorded. In this paper non-stationary p...

2006
Kewei Li Chun Wang Hamada H. Ghenniwa Weiming Shen

This paper presents an agent-based service-oriented framework to address the challenges for integrating real time shop floor scheduling and control in a multi-workcell environment. The proposed framework enables shop floor to adapt to the changes in the environment dynamically. Shop floor scheduling and control can address dynamic changes either within a workcell, such as machine breakdowns, or...

2014
N. Said

This paper addresses the job shop scheduling problem in the presence of machine breakdowns. In this work, we propose to exploit the advantages of data mining techniques to resolve the problem. We proposed an approach to discover a set of classification rules by using historic scheduling data. Intelligent decisions are then made in real time based on this constructed rules to assign the correspo...

2004
Derrick Higgins Jill Burstein Daniel Marcu Claudia Gentile

Criterion Online Essay Evaluation Service includes a capability that labels sentences in student writing with essay-based discourse elements (e.g., thesis statements). We describe a new system that enhances Criterion’s capability, by evaluating multiple aspects of coherence in essays. This system identifies features of sentences based on semantic similarity measures and discourse structure. A s...

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