The study presented the methodology for estimating the reliability of mechatronic devices and systems with fixed and variable working structure. It assumed a parametric and catastrophic nature of damages in the system’s elements. The... more
The study presented the methodology for estimating the reliability of mechatronic devices and systems with fixed and variable working structure. It assumed a parametric and catastrophic nature of damages in the system’s elements. The analysis of the reliability of mechatronic structure with fixed and variable working structure took into account system’s elements with exponential damage distribution and Weibull’s damage distribution. The further part of this article described the reliability characteristics for two-component parallel mechatronic systems. It particularly considered cases, when the up time of technical system’s elements have the following distributions: exponential, Weibull, normal, logarithm-normal, and the system consists of two components with parallel structure of reliability and different types of distribution for elements’ up times. The order of elements in the analysis does not matter. The following reliability characteristics for the system with two components connected in parallel were presented: system’s up time distribution function, reliability of the system, density of probability for system’s up time, intensity of system’s damages.
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The article describes the high pressure fuel pump CP1H Common Rail system and fuel injectors which worked on bad fuel quality. It was presented how can high pressure injection pump and fuel injectors diagnose. Research objects were... more
The article describes the high pressure fuel pump CP1H Common Rail system and fuel injectors which worked on bad fuel quality. It was presented how can high pressure injection pump and fuel injectors diagnose. Research objects were dismantled for spare parts and checked under microscope. Paper discusses construction and mechanism of action researched fuel pump and injectors. During the researches has been presented crucial elements. It has been described the areas where are produced metal fillings in pressure pump and how it influences on the injectors. It was discussed the methods of prevents them. In addition, the influence of the state of the power supply system on the process of creating a combustible mixture and its combustion, as well as the ecological safety of piston combustion engines are described.
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The basic information about bonds graphs is summarized. Basic models of components used in the description of technical systems with bonds graphs are characterized. Selected elements of mechanical and energy are described with bonds... more
The basic information about bonds graphs is summarized. Basic models of components used in the description of technical systems with bonds graphs are characterized. Selected elements of mechanical and energy are described with bonds graphs. Discussion on the nature of the diagnostic parameters described by graphs is conducted. The analysis of bonds graphs suitability as a source of diagnostic information is made. Ways to use the information provided by bonds graphs, especially for mechanical power generation equipment and their components, are suggested.
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The study characterizes the basic distributions of damages in elements included in the mechatronic devices: exponential, Weibull, normal, log-normal distributions. It considers some special cases, when suitability times of elements for... more
The study characterizes the basic distributions of damages in elements included in the mechatronic devices: exponential, Weibull, normal, log-normal distributions. It considers some special cases, when suitability times of elements for the mechatronic system have the above four distributions, and the mechatronic device's system is created by three elements of a serial structure and various types of time distributions for elements' suitability. The order of elements is not important. The final section of this work presents a case, when four elements work in the serial structure. Suitability times of these elements have different types of distributions.
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Scharakteryzowano ogolnie strukture drogową i kolejową powiatu zamojskiego. Przedstawiono zestawienie przewiezionych przez powiat zamojski w 2010 roku ladunkow niebezpiecznych transportem drogowym i kolejowym. Zaprezentowano przyklad... more
Scharakteryzowano ogolnie strukture drogową i kolejową powiatu zamojskiego. Przedstawiono zestawienie przewiezionych przez powiat zamojski w 2010 roku ladunkow niebezpiecznych transportem drogowym i kolejowym. Zaprezentowano przyklad procesu przewozu ladunkow niebezpiecznych wykonywanych linią szerokotorową miedzy Ukrainą a Polską
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Important measures applicable to ship power plant system components are presented. Birnbaum's and Lambert's important measures were applied to select the most important components of one of the power plant systems onboard a bulk... more
Important measures applicable to ship power plant system components are presented. Birnbaum's and Lambert's important measures were applied to select the most important components of one of the power plant systems onboard a bulk carrier.
