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Modern automotive systems must satisfy strict reliability requirements. Most real vehicle systems and safety-critical networks have complex interconnections. The sensitivities and probabilistic uncertainties of the reliability of systems with complex interconnections (SwCIs) can be investigated by Monte-Carlo Simulation (MCS). This paper focuses on the sensitivities and parametrical uncertainties of SwCIs’ reliability. The proposed method can be implemented in the investigation of the uncertainties of SwCI reliability, i.e., in the determination of critical system elements and the estimation of the required number of spare parts (RNSP) of the system, which depends on the probability of allowable spare equipment shortage.

Temporal networks and network-structured systems are gaining ground in daily life. Such net-works are Vehicular Ad-hoc NETworks (VANET) and Mobile Ad-hoc NETworks (MANET), in fact, Industry 4.0 requires similar local networks. During mathematical model-based analysis of real temporal systems, it is vital to determine the existence and frequency of accessibility between components. Graph theory is a well-known mathematical tool used for studying accessibility of network components. In previous publications, the author proposed an easy-usable algorithm for determining the existence of interconnection between system-components. The Monte-Carlo Simulation can model the temporality of systems. The aim of this paper is to propose a Monte-Carlo Simulation-based method that estimates symmetry or asymmetry and the frequency of accessibilities between the components of temporal network-structured systems.

This article presents an analysis of electrical parameters in a three-phase circuit characterized by the generation of harmonics. The Currents Physical Components (CPC) power theory for three-phase circuits were used. Relationships for three-wire circuits were used, and mathematical relationships were determined to enable decomposition into those components that depend on the direction of energy flow and the reasons for their creation. A calculation example using the previously determined dependencies was presented, and the results of the calculations were discussed. When mathematical analyses are required in circuits with non-linear receivers, and in particular, when there is a cooperation of several such receivers with a common power grid, the calculation concept presented is important. The generation of identical harmonic orders by several receivers causes a disturbance in the direction of energy flow in the power grid. For this reason, the case of a non-linear receiver generating harmonics of orders that has existed before in the power grid seems very interesting. Determining the value of individual powers can be used to estimate the impact of individual receivers on the quality of electricity.

One of the most important \"task\" of technical management 's decision making is showing scale of values of given part of engineering. It plays a decisive role in the decision of maintenance management. The subjective opinions of experts can be characterized by different weight numbers. This paper shows the weighted sensitivity analysis of maintenance processes.

Modern engineering systems, such as automobiles, should have reliability requirements. This paper focuses on the reliability of System with Complex Interconnection (SwCI). Most of the real complex systems in the modern vehicles are different sensors, as Bridge Structure Systems (BSSs). The BSSs are used as an example in the field of system reliability analysis. The proposed Monte-Carlo Simulation-based investigation can be used for the estimation of the Required Number of Spare Parts (RNSPs).

During setting up a mathematical model, it can be very important and difficult task to choose input parameters that should be known for solution of this problem. A similar problem might come up when someone wants to carry out an engineering calculation task. A very essential aim technical education is developing of good logical engineering thinking. One main part of this thinking is to determine the potential sets of required input parameters of an engineering calculation. This paper proposes a logical tree based method to determine the required parameters of a mathematical model. The method gives a lively description about needed data base, and computational sequence for us to get to determine the set of required output parameter. The shown method is named LogTreeMM - Logical Tree of Mathematical Modeling.

In today's aviation alternative jet fuels play an increasingly important role. Their application incurs new engineering and environmental protection challenges. The key properties of their feasibility of integration are from technological point of view aging behavior and applicability as well as from environmental protection point of view the carbon footprint. During the comparison process experts can evaluate the above characteristics with linguistic variables. The application of linguistic variables always results in some degree of uncertainty – by their subjectivities. Fuzzy calculation methods are used to mathematically describe these uncertainties. The purpose of this study as a pilot project is to gain experience in developing a methodology of a multi-level fuzzy rule-based jet fuel qualification process.

Even though the last few years were filled with all kinds of challenges for companies and universities; we are happy to host once again, the Agria Conference on Innovative Vehicle Technologies and Automation Solutions, for the ninth time. The conference is also known as InnoVeTAS2025. This conference series was started as a subset event of the International Pneumobile competition, in order to make it more attractive to students and professors from a wide range of universities in Europe. Today, the InnoVeTAS conference has become an independent scientific forum, which is traditionally held in May.Our event has become one of the major technical and scientific events held in Heves County, Hungary. In cooperation with IOP publishing this grants the opportunity for researchers and professionals to publish their work in a Scopus indexed conference proceedings, for the fourth time this year.The conference’s theme for this year was “Pioneers for Future”, chosen to represent to current ongoing industrial revolution revolving around automation and digitalization, IIOT, usage of AI and Machine Learning, Additive Manufacturing and advances in Material Sciences. The scope of the conference was defined as follows:• development, production and maintenance of state-of-the-art innovative vehicles.• measurement and control technology applications.• industrial automation solutions.• development of engineering processes, methods and tools.• theoretical and practical aspects of Digital Transformation.• the science and practical application of the Internet of Things (IoT).• development of “student-made” vehicles.List of Honorary Chairs, Scientific Committee, Editorial Committee, Organizing Committee, Invited Speakers, Organizing Institution and Sponsor are available in this PDF.

Even though the last few years were filled with all kinds of challenges for companies and universities; we are happy to host once again, the Eighth Agria Conference on Innovative Vehicle Technologies and Automation Solutions, also known as InnoVeTAS2024. This conference series was started as a subset event of the International Pneumobile competition, in order to make it more attractive to students and professors from a wide range of universities in Europe. Today, the InnoVeTAS conference has become an independent scientific forum, which is traditionally held in May. This being the eigtht conference in the series; our event has become one of the major technical and scientific talks in Heves County! Additionally, we are now visible on the venue of Hungarian national conferences! In cooperation with IÓP Publishing, this year’s conference proceedings will also be the third time, that it will have been listed in the Scopus index, which is useful for high level researchers. List of Honorary chairs, Scientific Committee, Editorial Committee, Organizing Committee, Invited Speakers, Organization Institution and Sponsor are available in this Pdf.

In today’s world, there is increasing demand of new technologies. As the world is growing, new technologies are emerging. To sustain the new technologies, technologies used for its maintenance must be developed. In the aviation industry with respect to the Industry 4.0 system, its maintenance strategies are also developing. The aim to this study is to present a mathematical model which is used to predict the ageing of any technical system. The authors used the Markov process theory to model the ageing process. As per the model, results and future work are determined and discussed briefly.