Abstract
Introduced by the Civil Code, the rules of road safety are introducing continuously increasingly strict requirements on motor vehicles. These requirements relate to various aspects of the technical condition of vehicles, both those that determine traffic safety and those that affect the vehicle’s environmental impact. The law requires regular diagnosis of the technical condition of vehicles in service. Diagnostic tests conducted in the form of road tests or the tests performed in workshop conditions allow to determine the symptoms of dysfunctions of the tested vehicle, not always clearly defining the causes and location of damage. The purpose of the work is the design the simulation of a station for of vehicle dynamics tests up to 3.5 t using simulation programs OpenModelica and SciLab. A simulation of the work of the stand for testing the dynamics of vehicles in the form of a chassis dynamometer was achieved. The program enables the simulation of tests: NEDC (New European Drive Cycle), WLTP (Worldwide Harmonized Light Vehicle Test Procedure), CADCM150 (joint Artemis driving cycle—Motorway at vMax = 150 kph), CADCU (Common Artemis Driving Cycle—Urban), FTP75 EPA (Federal Test Procedure, Environmental Protection Agency). The simulator (for any assumed type of vehicle) can be used in two modes: 1. Introduction of the presumed cause—Generates the expected results in the functioning of the vehicle. This function can be used to create a cause–effect relational database. 2. Analysis of data from the actual diagnostic system suggesting the causes of the observed (measured) errors in the functioning of the system. The simulator can be used both to design and implement the technological development of intelligent diagnostic systems, and to support the creation of application software for a workshop diagnostic system. Introducing the simulator into practice will also enable the improvement of road safety management.
Highlights
IntroductionRecent years have been a time of increased efforts to protect the natural environment [1,2,3,4]
Recent years have been a time of increased efforts to protect the natural environment [1,2,3,4].Industrial and technological progress meant that the car became the most frequently chosen means of transport [5,6,7]
On top of the waveforms resulting from the driving test, additional lines were drawn that imaged the characteristic parameters of synchronous generators, which can be used as brakes in the chassis dynamometer
Summary
Recent years have been a time of increased efforts to protect the natural environment [1,2,3,4]. Industrial and technological progress meant that the car became the most frequently chosen means of transport [5,6,7]. In addition to changes in the way of heating buildings and changes in industry, ecological transport is one of the most important tasks to be achieved in order to obtain an improvement in air cleanliness [8,9,10,11]. The number of vehicles travelling on the road increases every year, air pollution is increasing [12,13,14,15]. As a Energies 2020, 13, 2869; doi:10.3390/en13112869 www.mdpi.com/journal/energies
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