Krízový manažment
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Item Porovnanie dynamiky jazdy vybraných hasičských vozidiel na podvozkoch Tatra a Scania pri vysokých rýchlostiach(University of Žilina, 2024) Jánošík, Ladislav; Šudrychová, Izabela; Jánošíková, Ivana; Jeřábková, MarkétaThe paper summarizes and compares results of the evaluation of the measurement of basic driving characteristics of fire trucks. It compares two fire tanker trucks with similar chassis, allowing driving on unpaved roads or in the terrain, that are used by the Fire Rescue Service of the Czech Republic. These are fire trucks on chassis manufactured by TATRA and SCANIA. The deceleration and acceleration characteristics of the fire trucks were monitored and evaluated. Braking distance and deceleration were observed during the evaluation of braking characteristics. To evaluate the acceleration characteristics, a deceleration time and a distance to reach a desired speed were monitored. These parameters were monitored depending on the type of tyres, a test track surface and climatic conditions.Item Měření brzdných drah dopravních automobilů a požárních přívěsných vozíků(University of Žilina, 2024) Salaba, Josef; Jánošík, Ladislav; Jánošíková, IvanaThe paper follows on previous research by the authors’ team focused on a study of the driving characteristics of a transport vehicle (hereinafter referred to as DA) and a fire trailer. The current study briefly summarizes the results of measurements of selected driving characteristics of two tested DA combinations on Ford Transit chassis, year of production 2007 and 2020, with fire designation DA-L1Z. DAs were tested driving with three combinations of fire trailers, as well as without a trailer. During the testing, trailer trucks on chassis made by companies VEZEKO Ltd., Velké Meziříčí, Agados Ltd., Velké Meziříčí and JB Trailers Ltd., Černošice were used. All trucks had a total weight of up to 3.5 tonnes. The driving dynamics testing was focused on a crisis braking in a straight direction and on driving in a circle at a speed approaching the safe limit for a vehicle rollover. These two tasks belong to basic driving skills that a fire truck driver must be able to safely manage in a critical situation on the road.Item Studie jízdních vlastností dopravního automobilu a požárního přívěsného vozíku(University of Žilina, 2023) Lasák, Jiří; Jánošík, Ladislav; Jánošíková, IvanaThe paper briefly summarises selected driving characteristics of a set of transport vehicles on a Mercedes-Benz Sprinter chassis with the fire designation DA-L2Z and a braked fire trailer on a chassis from VEZEKO Ltd. with a total weight of up to 3.5 tonnes. The driving dynamics testing was focused on a crisis braking in a straight direction and driving in a circle at a speed approaching the safe limit for overturning the vehicle and/or the truck. These two tasks belong to the basic driving skills that a fire truck driver must be able to safely manage in a crisis on the road.Item Vyhodnocení reálných záznamů jízdy k zásahům z pohledu dynamiky jízdy(Žilinská univerzita v Žiline, 2023) Jánošík, Ladislav; Jánošíková, Ivana; Jonová, Karolína; Nováček, Vítězoslav; Poledňák, Pavel; Šudrychová, IzabelaThe paper briefly informs about the content, solution procedures, and selected results of the student grant competition project entitled “Verification of driving characteristics of firefighting vehicles of type water tender” (Id. No. SP2021/58). It summarizes the results of one of the two main project objectives, which is an evaluation of the emergency driving records of selected emergency firefighting vehicles of the type of water tenders with a focus on driving dynamics.Item Vyhodnocení součinitele adheze vybraných pneumatik pro zásahový požární automobil(Žilinská univerzita v Žiline, 2022) Jánošík, Ladislav; Jánošíková, Ivana; Poledňák, Pavel; Šudrychová, IzabelaThe paper summarizes the results of testing and evaluation of the suitability of three selected types of tires for emergency fire trucks at units of the Fire and Rescue Service of the Czech Republic. The testing focused on determining the coefficient of adhesion in the longitudinal and lateral directions of the vehicle. In the longitudinal direction, data were obtained during braking manoeuvres. The actual braking distances and stopping times were measured. From these data, a braking deceleration and a theoretical coefficient of adhesion were calculated by a company's software. To determine the operating acceleration values in the lateral direction, measurements were made on a circular track with three given internal radii. The results of the measurements were used as one of the bases for determining a methodical procedure for performing tests of the functional tire properties for emergency fire trucks, especially water tenders, used by the Fire and Rescue Service of the Czech Republic.Item Porovnání dynamiky jízdy zásahového požárního automobilu v městské aglomeraci Ostrava a okresního města Nový Jíčín(Žilinská univerzita v Žiline, 2020) Jánošík, Ladislav; Jánošíková, Ivana; Poledňák, Pavel; Šudrychová, IzabelaThe paper is focused on the evaluation and comparison of driving dynamics of the intervention of the first-exit fire truck type water tender at units of the Fire Rescue Service of the Czech Republic in the Moravian-Silesian Region. The aim of the comparison is to specify different driving characteristics both in the center of the Ostrava urban agglomeration, Fifejdy city part, and in the district town Nový Jičín. Professional telemetry, which was placed in the monitored vehicles, was used to obtain primary records of the driving behavior of emergency fire-fighting vehicles. These records were then evaluated with the telemetry supplier’s company software. Our findings should be reflected in the future calculations of driving times and the area coverage.