• Possibilities to identify defective electric automobile batteries 

  Berjoza, D.; Pirs, V.; Jurgena, I. (2019)

  A pack of batteries is one of the most important and expensive assemblies for an electric vehicle. A pack of batteries is comprised of several batteries connected in series. The number of the batteries connected depends ...

• Determining the influence of factors on retroreflective properties of traffic signs 

  Khrapova, M. (2019)

  One of the distinguishing features of future autonomous cars is the ability to take into account and communicate with traffic infrastructure. Thereby detection and recognition of vertical traffic signing is an obvious ...

• Usage of grid support inverter on long distribution grid lines 

  Osadčuks, V.; Pecka, A.; Galiņš, A. (2019)

  The paper focuses on the evaluation of new possibilities to improve voltage quality in remote branches of 230 V grid. Decrease of power electronic costs may potentially make batterybacked inverters a viable alternative ...

• Management of parts and components for units and assemblies in mechanical engineering industry and its impact on the environment 

  Mitrofanovs, V.; Boiko, I.; Geriņš, Ē. (2019)

  Most of the service centers operating in the repair and maintenance of machines and mechanisms apply warehouse management systems based on event prediction, which ensures inventory replenishment based on the initial ...

• Use of qualimetry method in production labour estimation 

  Maksimov, D.; Kalkis, H.; Perevoschikov, Y.; Roja, Z. (2019)

  Every work process of production organization involves employees and employer interaction with each other by “agreement”. Such agreement is contracted based on the implementation of concrete types of work processes in ...

• Thermal analysis of asynchronous machines under intermittent loading 

  Vondrášek, Z.; Ryženko, V.; Linda, M. (2019)

  The operation of electric machines is accompanied by losses which are mostly converted to heat. The heat needs to be dissipated from the machine. With a properly dimensioned motor, the arising heat is balanced with ...

• Measure of thermal transmittance of two different infill wall built with bamboo cultivated in Tuscany 

  Bambi, G.; Ferraz, P.F.P.; Ferraz, G.A.S.; Pellegrini, P.; Di Giovannantonio, H. (2019)

  Bamboo is used in different scenarios of application, its physical and mechanical characteristics guarantee a high flexibility of use especially in the buildings constructions. The experience gained in civil constructions ...

• Hygrothermal analysis of masonry wall with wool glass interior insulation 

  Leiten, Kadri; Kirotar, Priit; Kiviste, Mihkel (2019)

  When the external appearance of the building is fixed due to heritage requirements the interior thermal insulation is the only possible solution for thermal upgrade of the building envelope. Applying internal insulation ...

• Analysis of non-stationary flow interaction with simple form objects 

  Tipans, I.; Viba, J.; Irbe, M.; Vutukuru, S.K. (2019)

  The paper is devoted to the analysis of a non-stationary rigid body interaction in a fluid flow. Initially, an approximate method for determining the forces due to fluid interaction with the rigid body is offered. For ...

• Linear pressing of coconut copra meal (Cocos nucifera L.) under different temperatures 

  Mizera, Č.; Herák, D.; Hrabě, P.; Saller, T. (2019)

  Pressing of vegetable oils plays an important role in the food processing. This study described the compression behaviour of copra (Cocos nucifera L.) using the universal compression testing machine and vessel diameter ...

• Separation of dust particles in the low-pressure pneumatic conveying system 

  Jehlička, T.; Sander, J. (2019)

  This paper focuses on the possibility of separation of dust particle created as a byproduct of technological processing of composite materials. The aim was to design and verify technology for the separation of dust particles ...

• Half-cell potential mapping for corrosion risk evaluation of prestressed concrete ribbed panels from agricultural building after 20 years of service 

  Kiviste, Mihkel; Tamme, Valdek; Linnus, Lauri; Halgma, Riho (2019)

  Corrosion of steel is a significant problem in prestressed concrete structures as it decreases structural capacity and performance. In this research the 20-year-old prestressed concrete ribbed ceiling panels (of type ...

• Suitability of 2.4 GHz and 5 GHz wireless communications in production processes 

  Hart, J.; Bradna, J. (2019)

  Today, it is increasingly modern to use wireless transmissions in production. It is possible to send information messages, control messages and it is often possible to access the technologies as IoT (the Internet of ...

• Reliability of parking assistants depending on the material of detected obstacles 

  Hartová, V.; Kotek, M.; Hart, J.; Pícha, Š. (2019)

  Today's modern vehicles are equipped with a range of assistance systems to enhance road safety. The standard equipment of most cars are parking assistants. It turns out that not always sensors can reliably detect the ...

• Research on influence of cyclic degradation process on changes of structural adhesive bonds mechanical properties 

  Kolář, V.; Tichý, M.; Müller, M.; Valášek, P.; Rudawska, A. (2019)

  The paper deals with an influence of a cyclic degradation process on changes of a shear tensile strength of single lap-shear adhesive bonds and their elongation according to ČSN EN ISO 9142. Five one-component structural ...

• An analysis of influences of blinds and solar radiation on microclimate in office rooms during summer days: a pilot study 

  Cao, D.V.; Kic, P. (2019)

  Windows are the only part of a building that can directly penetrate the solar radiation into the occupied space and thus the shading devices are needed to control the solar penetration. In the office buildings, they ...

• Behavior of B20 fuels in arctic conditions 

  Sirviö, K.; Niemi, S.; Help, R.; Heikkilä, S.; Hiltunen, E. (2019)

  Several renewable and sustainable liquid fuel alternatives are needed for different compression-ignition (CI) engine applications to reduce greenhouse gas (GHG) emissions and to ensure proper primary energy sources for ...

• Exhaust particle number of a non-road diesel engine fuelled by methyl esters with different fatty acid compositions 

  Ovaska, T.; Niemi, S.; Sirviö, K.; Nilsson, O. (2019)

  The main aim of this study was to find out how methyl esters with different fatty acid compositions affect the exhaust particle numbers. Along with fossil diesel fuel oil (DFO) and renewable diesel (HVO), a high-speed ...

• Effective control and battery charging system of an island PV power plant 

  Papez, V.; Papezova, S. (2019)

  The paper presents a new concept of an autonomous PV power plant regulatory system with LiFePO4 batteries, which was functionally verified. The hardware system is significantly simpler and more operationally reliable. ...

• Reduction of moisture and thermal conductivity of wet walls by special plaster 

  Topol, M.; Kic, P.; Neuberger, P. (2019)

  This paper is focused on the problems of moisture reduction in old buildings. Wet walls are very common problem of old buildings, but it can appears also in new buildings as well. The moisture in the wall influence the ...

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