نتایج جستجو برای: operation time
تعداد نتایج: 2048561 فیلتر نتایج به سال:
In this paper, a new mathematical model for the problem of job scheduling in virtual manufacturing cells (VMC) is presented to minimizing the completion time of all jobs. Sequence dependent setup times of machines is considered and lot-streaming is possible. In Virtual manufacturing cells, each job has a different processing path and there is a set of machines for processing each operation. The...
In today’s competitive market, those producers who can quickly adapt themselves todiverse demands of customers are successful. Therefore, in order to satisfy these demands of market, Mixed-model assembly line (MMAL) has an increasing growth in industry. A mixed-model assembly line (MMAL) is a type of production line in which varieties of products with common base characteristics are assembled o...
Methods We performed a retrospective before-after analysis of the CPAs in a 1,360-bed tertiary care hospital from January, 2009 to October, 2014. We included 176,193 admissions before and 117,822 admissions after implementing the RRS on October, 2012. The operation time of the RRS was from 7 am to 10 pm during weekdays. The primary outcome was CPA incidence, which was expressed as the case per ...
An ad hoc network is a collection of wireless devices forming a temporary network independently of any administration or fixed infrastructure. The main benefits of this new generation of mobile networks are flexibility and their low cost. Wireless devices have maximum utility when they can be used “anywhere at anytime”. However, one of the greatest limitations to that goal is the finite power s...
In the classical theory of finite-dimensional linear time-invariant systems in state space form the term deterministic separation principle refers to the observation that a stabilizing output feedback controller can be constructed by first constructing an asymptotic state observer that is then coupled to a stabilizing state feedback controller. In this paper we discuss the following converse pr...
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