نتایج جستجو برای: science production

تعداد نتایج: 1050359  

2006
Brian P. Sullivan

Increasing uniformity has important economic implications for pork production and rightly receives a lot of attention. On the other hand, a certain amount of variability is useful for different production environments and different market needs. Variability can also create opportunities for improvement if the reason for better performance or specific quality can be identified and repeated. Vari...

2010
Francisco Moreira Anabela C. Alves Rui M. Sousa

Lean Production has proved itself a worthwhile production strategy in many distinct industries across all regions of the planet by achieving higher levels of production efficiency. Several authors identified that Lean inadvertently has had significant environmental gains. Such achievements are considered of special relevance in a global and highly competitive economy which is progressively both...

2015
Farhad Norouzilame

The aim of this paper is to study the process of production system design in order to identify when and how network capabilities could and should be considered during this process. A case study, investigating the production system design process of a global contract manufacturer has been conducted.

2006
Wilson M. Arata Paulo E. Miyagi

This work discusses important aspects in the computational representation of models, focusing on the treatment of the heterogeneity and the integration of models. The relevance of this topic lies in the necessity of achieving an efficient workflow when handling heterogeneous information structures and of giving proper answer to the involvement of new types of models driven by the increasing dem...

Journal: :European Journal of Operational Research 2000
Yunzeng Wang Yigal Gerchak

The presence of random yields in many manufacturing processes can considerably complicate production planning and control. We investigate a batch production system with due dates, where the yield of each batch is random and the production lead time is longer than the time interval between starting consecutive batches. To satisfy an order with a given due date, several input batches could be ini...

2015
Jeff Edwards Francis Epplin Angela Post Tom Royer Randy Taylor Jason Warren Hailin Zhang

Should I switch from conventional till to no-till wheat production? This is one of the most common questions asked by Oklahoma farmers, but it is also one of the most difficult to answer. There are several considerations when making this decision, and there is certainly no one-size-fits-all program for converting from conventional till to no-till wheat production. A few factors to be considered...

2014
J. Havukainen V. Uusitalo A. Niskanen V. Kapustina M. Horttanainen

This study focused on identifying various system boundaries and evaluating methods of estimating energy performance of biogas production. First, the output-input ratio method used for evaluating energy performance from the system boundaries was reviewed. Secondly, ways to assess the efficiency of biogas use and parasitic energy demand were investigated. Thirdly, an approach for comparing biogas...

2015
Alexandra F. Marques António C. Alves Jorge P. Sousa

The paper presents a holistic methodological approach for designing flexible production systems, integrating the management of the production resources, operations planning, internal logistics and quality. The proposed methodology relies on lean principles and encompasses a series of stages and tools that may be used to design and to assess the robustness of the production system for tackling s...

2017
Ying Mei Zhigang Zeng Yiliu Tu Zhigang

Based on the research project titled “AdaptivePlanningandControlofSupplyChaininOne-of-a-kind Production”, the research group performed a systematicreview ofsupply chain integration, riskprediction and control and traceability. Studies of a computer-aided and integrated production system for cost-effective OKP systemare included. Our efforts relevant to integration of supply chain in OKP, modeli...

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