Vojnotehnicki glasnik / Military Technical Courier

145-154

Authors: Galović Danijela

The problem of inventory control of spare parts in a hierarchical two-level system in uncertain environment is considered. The hierarchical two-level system consists of one central depot and N branch warehouses. A demand of each kind of treated spare parts is uncertain and modeled by fuzzy numbers. A new procedure of classification according to the fuzzy ABC method is developed. The control models are determined for spare parts of great importance. A new fuzzy mathematical model for determining the optimum order quantities of the central depot and branch warehouses is presented. The values of unit procurement price, unit holding costs and unit shortage costs are deterministic. The developed procedure for the classification and the algorithm for determining the optimum order quantities is illustrated by an example.

166-175

Authors: Medan Branko, Đorđević Momčilo, Veselinovič Dejan

The technical support service in the Army has a great importance within the frames of combat service support. By the application of information technology in the planning of work of the Technical support service and by controlling the plan realization, the following is ensured: the most rational utilization of available resources, the balanced employment of staff elements and personnel within the frames of combat service and the most efficient realization of plans. This program is applied for observing the realization of the maintenance process in a technical company and it is apart of the logistic information system.

184-194

Authors: Građin Zoran

Ecological trends and movements in the modern world grow stronger and more active, due to a real danger of Earth pollution. One of the main sources of pollution are 1C engines and their influence on environment is significant. However, conventional combustion engines still are and will be dominant powering systems for numerous future applications. Two solutions are possible answers to this problem: first, the replacement of conventional fuels by alternative ones and second, modifications on the 1C engine design in order to decrease fuel emission and consumption. One of the solutions for the improvement of 1C engine design is the modification of engine parts or their design, with great influence on the decrease of mechanical losses, especially on partial rating. Therefore, it is important to say that complex problems of engine (automotive) decrease of fuel consumption and exhaust gas emission can be solved only by simultaneous development of oil and engine (automotive) industry

202-207

Authors: Anđelković-Lukić Mirjana

The paper deals with production processes of manufacturing and coating Ugh explosives which pollute environment with waste waters. Some methods of refining waste waters before letting them into open water current are presented.