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Vojnotehnicki glasnik / Military Technical Courier

Number 6(51), 2003

537-554
Technical system maintenance strategies [ 2 ]

Authors: Stanojević Petar, Mišković Vasilije

Abstract

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Number of views: 313

This paper gives a survey of recent scientific achievements which has brought changes into the strategies applicable in technical system maintenance systems. The essence of relevant maintenance strategies has been analyzed as well as the advantages disadvantages and effects of their application.

555-562
Multicriteria choice of optimum tactical technical requirements for T-72, M-84 and M-84a tank modifications

Authors: Ostojić Dušan, Jelenković Zoran, Joksimović Sreten

Abstract

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Number of views: 280

In the paper a methodology for making optimum tactical-technical requirements is suggested for the modification of existing tanks. The tank, as a system is described by three main characteristics: FIREPOWER, PROTECTION AND MOBILITY. Each characteristic is defined by a determined number of parameters-criteria which described this complex system. For all characteristics, a corresponding weight coefficient is estimated and given to a chosen parameter in accordance with the importance of this parameter for the system. In order to compare the established tactical-technical requirements for the modified tanks with the realized characteristics of modern tanks, the ICOR (Iterative Compromise Ranking) method of optimization is used.

563-577
Demonstration and verification of the maintainability of electronic devices

Authors: Ćosović Dragan

Abstract

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Number of views: 269

The demonstration and verification of maintainability during the development of a device is an integral part of the Maintainability Plan and Programme. During the demonstration and verification, the quantitative and qualitative parameters of maintainability are checked. The demonstration and verification of the maintainability parameters are done by applying certain statistical methods. An example of applying a statistical methods for testing the maintainability of corrective maintenance of radio is given in the work and the results of the demonstration and verification are analyzed.

578-584
Main performances of PCM/FM telemetry systems for measuring aircraft parameters and pilot's physiological characteristics [ 1 ]

Authors: Filipović Zoran, Marković Maja, Pavlović Milorad

Abstract

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Number of views: 264

This paper describes an overall system design and performance characteristics of a PCM/FM telemetry system for measuring aircraft parameters and pilot's physiological characteristics. The system includes both an airborne data acquisition part and a ground telemetry system for real time data processing test control, and a data processing system for post-flight analyses.

585-596
Model for determining optimal architecture of inertial measurement units and optimal orientation of sensors from the point of View of accuracy of output signals

Authors: Janićijević Slobodan

Abstract

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Number of views: 289

This article analyzes a model for determining an optimal architecture of the inertia! measurement unit (IMU), as a part of the strapdown inertia! navigation system from the point of view of accuracy of output signals. After analyzing 11 possible IMUS, an IMU optimal architecture has been proposed.

597-603
Software solution for metrological support in the Technical Proving Center of the Army of Serbia and Montenegro

Authors: Savanović Miroslav, Mandić Novka

Abstract

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Number of views: 301

This paper presents a test equipment monitoring software solution for metrological support in the Technical proving center of the Army of Serbia and Montenegro. The software provides input and saving of all relevant data concerning measuring instruments, quick generation of different kinds of required reports and verification and maintenance plans as wall as maintenance history. The software includes a database designed on the 'Paradox' platform and software procedures for data processing coded on the 'Delphi' software platform.

604-608
Real time simulation of stochastic processes using personal computers

Authors: Perišić Đurđe, Brkić Dragoljub, Botić Ilija, Despotović Gavrilo, Perišić Đorđe

Abstract

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Number of views: 267

A new approach to a stochastic real time pulse generator is described in this work. The stochastic generator is based on a PC software and the corresponding electronics for the communication with a PC. In may be used for testing and measurements, as well as for different sorts of developments and investigations. This approach has a special importance for testing under difficult conditions, e.g. tests in the presence of harmful radiation, in ground testis, in expensive tests setc. Using the stochastic generator, all of them can be realized significantly cheaper and in the lab conditions.

609-616
Method of determination of the shear strength of the double base rocket propellant-inhibitor bond

Authors: Tot Lajoš

Abstract

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Number of views: 285

This study shows a method for determining the shear strength (adhesion strength) of the double base propellant-inhibitor bond on laterally and frontally inhibited grains. Shear strength is determined on several laterally and frontally inhibited grains. The influence of inhibitor composition on the bond nature and strength is described.

617-622
Catalytic activity of lead and copper oxides in the reaction of double base propellant burning

Authors: Maslak Panto

Abstract

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Number of views: 283

The investigation includes experimental and phenomenological studies of the catalytic activity of lead and copper oxides, (with a constant ratio of basic lead-stearate, calcium carbonate and carbon - black) in the process of burning of double base propellants of different energies. The catalytic activity ratio is used as a measure of catalytic activity, and it represents the ratio of the burning rate of double base propellants with a catalyst referent model to the burning rate of double base propellants without a ballistic catalyst referent model.

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