оптимизация

Optimizing of Selection of Public Procurement Vendor Based on the Risk Management Methodology

Introduction. Under globalization, the current international political and economic relations, the Russian Federation is changing to a new state policy in the field of system modernization of public procurement. Theoretical analysis. The development of predominantly market-based mechanisms of regulation, liberalization of the economy along with degradation of the regulatory role of state governance structures lead to increased risks in public procurement. Individual problems and contradictions in the system of public procurement are due to the lack of proper methodological apparatus to estimate the effect of risk. Methods. As a result of our optimization statement of the problem of selection of an executor of public orders, an algorithm and a system of mathematical models of choice of potential suppliers considering the collective evaluation of the risk category are proposed. A distinctive feature of the proposed method is the use of techniques to allow for maximum relations among the basic elements in a risky situation (alternatives, the probability of achieving the result desired, uncertainty, the possibility of deviation from the intended purpose). Results. The proposed approach makes the necessary prerequisites for the establishment of effective barriers for fraud and incompetent agents to enter the system of public procurement, both as suppliers and customers, through our selection mechanisms developed. Conclusion. The future direction of development of the methodology seems to justify the qualification requirements for suppliers, including the availability of necessary professional and technical qualifications, financial resources, equipment, labor and other material resources for the execution of contracts, work experience.

Control of Passengers in Commuter Train: the Intensity and Interest Coverage

Solving the problem of building cash activity on
commuter trains, which will provide a high level of coverage of
passengers on all trains route, can be considered from the point of
view of productivity of supervisors. Passengers trains represent the
requirements for service on the part of supervisors. They come in a
railroad train at stops and leave the train, serving their supervisors
or not. This process is convenient to describe position of queueing
theory. Theoretical analysis. Discusses achieving full payment
for the carriage of passengers, with different levels of coverage. An
analysis on suburban passenger rail, cash flows pay their passage,and monitoring to ensure the collection of tolls from the stowaways.
Results. Accepted passengers not uniform along the length of the
route. The vast majority of passengers should be on small distances
and mainly around major stations, generating and absorbing the
flows of passengers. Time to move trains on this site not long lasting.
Ensuring continuous monitoring of passengers transported in
commuter trains may subject local tactics maneuvering strength
of controlling group focus on filling the carriages and the intensity
of the rotation process passengers.

КОНТРОЛЬ ПАССАЖИРОВ В ЭЛЕКТРИЧКЕ: ИНТЕНСИВНОСТЬ И ПРОЦЕНТ ОХВАТА

Решение задачи построения контрольно-кассовой деятельности на пригородных поездах, которая обеспечит высокий уровень охвата пассажиров на всем маршруте движения поезда, можно рассмотреть с точки зрения производительности труда контролеров. Пассажиры электропоезда представляют собой требования на обслуживание со стороны контролеров. Они поступают в вагоны поезда на остановках и покидают поезд независимо от того, обслужили их контролеры или нет. Этот процесс удобно описать с позиции теории массового обслуживания. Теоретический анализ. Обсуждается вопрос достижения полной платы за перевозку пассажиров при разных уровнях охвата их контролем. Приводится анализ пассажиропотоков на пригородных железнодорожных перевозках, денежных потоков оплаты проезда и контроля для обеспечения сбора платы за проезд с безбилетных пассажиров. Результаты. Обслуживаемый пассажиропоток неравномерен по длине маршрута. Подавляющая часть пассажиров следует на небольшие расстояния и в основном в окрестностях крупных станций, генерирующих и поглощающих потоки пассажиров. Время продвижения поезда по этому участку непродолжительно. Обеспечение сплошного контроля пассажиров пригородных поездов возможно при условии применения локальной тактики маневрирования численностью контролирующей группы, которая сориентирована на наполнение вагонов и на интенсивность процесса ротации пассажиров.