نتایج جستجو برای: product rate variation problem
تعداد نتایج: 2247355 فیلتر نتایج به سال:
Setup planning is a set of activities used to arrange manufacturing features into an appropriate sequence for processing. It has significant impacts on the product quality, which is often measured in terms of dimensional variation in the Key Product Characteristics (KPC). Current approaches to setup planning are experience-based and tend to be conservative by selecting unnecessarily precise mac...
there are many approaches for solving variety combinatorial optimization problems (np-compelete) that devided to exact solutions and approximate solutions. exact methods can only be used for very small size instances due to their expontional search space. for real-world problems, we have to employ approximate methods such as evolutionary algorithms (eas) that find a near-optimal solution in a r...
This paper studies the problem of spreading a product (an idea, cultural fad or technology) among agents in a social network. An agent obtains the product with a probability that depends on the spreading rate of the product as well as on the behavior of the agent’s neighbors. This paper shows, using a mean field approach, that there exists a threshold for the spreading rate that determines whet...
The variation in speech rate influences the performance of the automatic information-providing devices and leads to the recognition failures in the process of man-machine communication. While this problem has been generally recognized, there are few studies that provide detailed information on the variation in the speech rate in a specific context. Our research focuses on the variation that occ...
The present work reveals a problem formulation to minimize material consumption and improve efficiency of diagrids to resist equivalent wind loading. The integrated formulation includes not only sizing of structural members but also variation in geometry and topology of such a system. Particular encoding technique is offered to handle practical variation of diagrid modules. A variant of Pseudo-...
Background. There is a circadian pattern in the occurrence of cardiac events in patients with coronary artery disease. Whether changes in coronary vascular tone contribute to these phenomena is unknown. We measured the ischemic threshold, defined as either the heart rate or rate-pressure product at 1-mm ST segment depression during treadmill exercise and used it as an index of the lowest corona...
Background. There is a circadian pattern in the occurrence of cardiac events in patients with coronary artery disease. Whether changes in coronary vascular tone contribute to these phenomena is unknown. We measured the ischemic threshold, defined as either the heart rate or rate-pressure product at 1-mm ST segment depression during treadmill exercise and used it as an index of the lowest corona...
This paper estimates the impact of China’s exchange rate changes on exports of competitor countries in third markets, which we call the “spillover effect”. We use recent theory to develop an identification strategy in which competition between China and its developing country competitors in specific products and destinations plays a key role. We exploit the variation—afforded by disaggregated t...
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