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116.056  Articles
1 of 11.607 pages  |  10  records  |  more records»
This study considers a make-to-stock production system with multiple identical parallel servers, fixed production start-up costs and lost sales. Processing times are assumed to be two-phase Coxian random variables that allows us to model the systems havin... see more

 The structure of control system model of rolling stock movement for simulation of a process of braking-up and making-up of freight trains on hump yards is presented. The model is made on the basis of weighted directed graphs. The model can be used i... see more

The issues of determination of level of no-failure operation and cost of maintenance of the equipment of control and protection systems for the railway rolling stock as important integral factors of reliability are considered in the paper.

In the paper an approximate classification of methods of damping oscillations for complex mechanical systems is offered as well as the approach of an adaptive control by dissipation of the vibration energy of the railway rolling stock devices is presented... see more

Stock control is the most important aspect in an inventory system. It determines the safety stock in order to ensure that products are readily available when the customers require them. The decision makers in organizations tend to rely on software solutio... see more

As the core of sustainable development strategy, corporate social responsibility (CSR) is a concept that influences business missions, management, operations, finance, and marketing. Studies of the economic consequences of CSR have focused on the theoreti... see more

Cardiovascular disease was still a global threat and give a major role as the number one cause of death in the world. Patients with CVDs should take the medication regularly so that the availability of these drugs in health facilities must be maintained. ... see more

General structure of a microcontroller has been presented; the basic requirements to it and its peripheral modules have been formulated in case of their use in the systems of automated control of rolling stock. An analysis has been executed and a perspect... see more

1 of 11.607 pages  |  10  records  |  more records»