Marek Semela
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View article: Impact of temperature on tyre hardness
Impact of temperature on tyre hardness Open
This article deals with the dependence of tyre hardness on temperature. In this study, more than 1 800 temperature-dependent hardness values were measured for 5 samples of summer tyres from different manufacturers and different ages. Using…
View article: What should I use to calculate vehicle EES?
What should I use to calculate vehicle EES? Open
Comprehensive crash analysis includes calculating impact speed, which requires the determination of kinetic energy expended on the deformation of the vehicle’s structural elements at the point of contact during a collision. The accuracy of…
View article: Obsolete or Viable? Revision of Lane-Change Manoeuvre Duration Empirical Calculation
Obsolete or Viable? Revision of Lane-Change Manoeuvre Duration Empirical Calculation Open
This study presents a calculation of the time required to execute a lane-change manoeuvre. Compared with other (and older) calculation methods, an analysis was conducted to determine which approach could yield the most reliable results. Th…
View article: Analysis of selected off-road glances during driving in real road traffic
Analysis of selected off-road glances during driving in real road traffic Open
The aim of this ongoing research has been the analysis of driver visual behavior in real road traffic. The paper deals with analysis of duration of selected off-road glances. The total gaze duration depending on mirror type has been analys…
View article: Analysis of Driver Reaction During Braking and Avoidance Maneuver
Analysis of Driver Reaction During Braking and Avoidance Maneuver Open
One of the parts of the accident analysis is also the objective assessment of the responsibility of accident participants related to their behavior and objective ability to avert the imminent critical situation. During a critical situation…
View article: Auto recalls and software quality in the automotive sector
Auto recalls and software quality in the automotive sector Open
Software for automobiles is one from innovative factors in the automotive industry. Automobile is represented as an amount of embedded systems (embedded systems) and it is a very complex computing system. It is currently estimated that the…
View article: Restrictions of using speedometer readings for determining vehicle collision speed
Restrictions of using speedometer readings for determining vehicle collision speed Open
Investigation or estimation of vehicle collision speed is one of the most important tasks during traffic accident analysis. The speedometer needle is sometimes stuck showing possible speed data especially at severe road accident. That is g…
View article: Analysis of selected types of advertisement influencing the driver’s attention in real road traffic
Analysis of selected types of advertisement influencing the driver’s attention in real road traffic Open
One of the probable causes of road accidents may be a high density of information which may cause the driver to miss a fact significant for dealing with an individual road traffic situation. In particular failure or distraction of the driv…
View article: The comprehensive analysis of a high risk site: A case study
The comprehensive analysis of a high risk site: A case study Open
Safe transport infrastructure is one of many factors that may help reduce the likelihood of traffic accidents or the severity of their consequences. Adjustments of transport infrastructure can thus significantly contribute to reducing loss…
View article: Case study of vehicle side crashes with trams
Case study of vehicle side crashes with trams Open
Side impacts belong to the most dangerous types of collisions. This type of collision is typical for accidents of vehicles at crossroads (intersections). In cases where the public city transport includes tramways, there is also a risk of c…
View article: Software quality management in the automotive sector
Software quality management in the automotive sector Open
Software for automobiles is one from innovative factors in the automotive industry. In the automobile are cooperating amount of embedded systems (embedded systems) and it is a very complex computing system. It is currently estimated that t…
View article: Case Study: Reaction Time of Children According to Age
Case Study: Reaction Time of Children According to Age Open
Study presents findings of a simulator study that examined the differences of reaction time for children aged from 3 to 18 years, compared to adults aged from 20 to 30 years. Choice reaction time has been analysed and three sets of measure…
View article: Issues of Hazardous Materials Transport and Possibilities of Safety Measures in the Concept of Smart Cities
Issues of Hazardous Materials Transport and Possibilities of Safety Measures in the Concept of Smart Cities Open
The transportation of goods and supplies is an essential part of maintaining a functioning urban infrastructure. It also involves the transport of dangerous goods. This type of transportation may especially in the urban areas signify a hig…
View article: IMPACT OF USABLE COEFFICIENT OF ADHESION BETWEEN TYRE AND ROAD SURFACE BY MODERN VEHICLE ON ITS DYNAMICS WHILE DRIVING AND BRAKING IN THE CURVE
IMPACT OF USABLE COEFFICIENT OF ADHESION BETWEEN TYRE AND ROAD SURFACE BY MODERN VEHICLE ON ITS DYNAMICS WHILE DRIVING AND BRAKING IN THE CURVE Open
The paper deals in detail with the analysis of driving and braking of the Volvo V40 T5 AWD Cross Country vehicle in the curve with radius 30, 40 and 50 meters laying emphasis on usable coefficient of adhesion values between tyre and road s…
View article: Determination of Selected Crash Parameters in Head-on Vehicle Collision with Rollover
Determination of Selected Crash Parameters in Head-on Vehicle Collision with Rollover Open
The paper presents complete results of the head-on small overlap crash test of vehicle with driver moving at a speed of approximately 12 m/s against stationary vehicle with post-crash rollover. When a crash does not involve the main crush-…