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New functionalities of the weigh-in-motion system: iWIM solution

Konior Aleksander, Konior Tomasz, Brzozowski Krzysztof, Maczyński Andrzej, Ryguła Artur

Transport Problems

2023

T. 18, z. 2

161--170

This paper presents new functionalities for systems weighing vehicles in motion, which result from the integration of various measurement technologies and the use of a precise registration and data processing system. The utilized registration track provides accurate measurements of basic vehicle parameters such as axle load and vehicle speed and makes it possible to determine the location of the vehicle passing the weighing station, calculate the width of the tire tread, and detect twin (double) wheels. A key functionality is the assessment of the reliability of the measurement, taking into account, among other factors, vehicle movement dynamics and the ambient conditions during the measurements. For this purpose, additional measurements of road surface temperature and wind speed and direction were introduced. The technological solutions used and the proprietary data processing algorithms are described. Tests carried out to verify the effectiveness of the proposed algorithms and to assess the significance of the influence of the isolated factors permitted confirmation of the validity of the proposed solutions.

Efficiency of information transfer in road traffic by variable message signs

Kornalewski Leszek, Konior Aleksander, Zapaśnik Monika

Roads and Bridges - Drogi i Mosty

2021

Vol. 20, no. 2

139--155

In the paper the efficiency of the information transfer in the road traffic by the variable message signs was evaluated. The article consists of two parts. The first part discusses the purpose and types of signs, taking into account the technology of their manufacture. The main focus of this paper is on characters with discontinuous drawing. In the second part, based on the literature review and the author's questionnaire, the requirements and expectations of drivers in terms of the form and manner of the information transfer were characterized. The article has been supplemented with an appendix, which describes the principles of introducing variable message signs on the market as a construction product.

W artykule poddano ocenie efektywność przekazu informacji w ruchu drogowym przez znaki o zmiennej treści. Praca składa się z dwóch części. W części pierwszej omówiono przeznaczenie i rodzaje znaków, uwzględniając technologię ich wykonania. W artykule skupiono się przede wszystkim na znakach o rysunku nieciągłym. W części drugiej, na podstawie przeglądu literaturowego oraz autorskiej ankiety, scharakteryzowano wymagania oraz oczekiwania kierujących w zakresie formy oraz sposobu przekazywania informacji. Artykuł uzupełniono załącznikiem, w którym opisano zasady wprowadzenia na rynek znaków o zmiennej treści jako wyrobu budowlanego.