Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Iman Aghayan"'
Autor:
Hossein Samadi, Iman Aghayan, Amir Saman Abdollahzadeh Nasiri, Omid Rahmani, Mehrzad Hasanvand
Publikováno v:
Journal of Advanced Transportation, Vol 2023 (2023)
Two-way two-lane roads have a significant impact on road transportation infrastructure. Platoon formation on two-lane roads is one of the factors that affect the quality of traffic flow on two-lane roads. More specifically, the creation of a platoon
Externí odkaz:
https://doaj.org/article/02438798e9dc4223a6fa08c671d8ff5f
Publikováno v:
Journal of Advanced Transportation, Vol 2023 (2023)
Vehicle traffic flow channelizing can significantly contribute to fewer collisions and smooth traffic flow in isolated signalized intersection design. Therefore, this study investigates the effect of changes in the number of right-turn lanes with spl
Externí odkaz:
https://doaj.org/article/7110621274d7494eb47f494bdd7d0b2b
Publikováno v:
Advances in Civil Engineering, Vol 2022 (2022)
The use of slab tracks in lieu of ballast tracks has introduced new dimensions in track dynamics in high-speed railways. To improve the performance of slab tracks under dynamic frequency responses caused by loads on the Shinkansen railway, the presen
Externí odkaz:
https://doaj.org/article/936f6333d1294f6f9e79975e9ec7f900
Publikováno v:
Journal of Engineering Science and Technology, Vol 12, Iss 11, Pp 3044-3056 (2017)
Identifying cases in which road crashes result in fatality or injury of drivers may help improve their safety. In this study, datasets of crashes happened in TehranQom freeway, Iran, were examined by three models (multiple logistic regression, Bayesi
Externí odkaz:
https://doaj.org/article/32bba067cda64fbf9d051e8ea55baaa7
Autor:
Hadi Hatami, Iman Aghayan
Publikováno v:
Promet (Zagreb), Vol 29, Iss 1, Pp 1-11 (2017)
This paper compared the performance of elliptical roundabout with turbo and modern roundabouts. It considers the effects of increasing the central island radius and speed limit on delay and capacity. Three types of roundabouts (modern, turbo and elli
Externí odkaz:
https://doaj.org/article/383f5bd12d6c46cdb3719c5bc1d810e7
Publikováno v:
Journal of Civil Engineering and Management, Vol 23, Iss 2 (2017)
Modified Augmented Lagrangian Genetic Algorithm (ALGA) and Quadratic Penalty Function Genetic Algorithm (QPGA) optimization methods are proposed to obtain truss structures with minimum structural weight using both continuous and discrete design var
Externí odkaz:
https://doaj.org/article/2b71a8a362c5477886a0395cd22a3555
Publikováno v:
Promet (Zagreb), Vol 24, Iss 6, Pp 455-467 (2012)
This paper compares two fuzzy clustering algorithms – fuzzy subtractive clustering and fuzzy C-means clustering – to a multi-layer perceptron neural network for their ability to predict the severity of crash injuries and to estimate the response
Externí odkaz:
https://doaj.org/article/85f25359e6954a5bbaca1a1ae2fb2af9
Publikováno v:
Transport, Vol 26, Iss 4 (2012)
This paper focuses on predicting the severity of freeway traffic accidents by employing twelve accident-related parameters in a genetic algorithm (GA), pattern search and artificial neural network (ANN) modelling methods. The models were developed us
Externí odkaz:
https://doaj.org/article/302ceb43748949b7bb14440d0e00e105
Publikováno v:
BioMed Research International. 2022:1-15
Introduction and Aim. According to a common belief, overweight students are less active than their nonoverweight peers. However, it is unclear whether overweight students who walk to school accumulate the minimum recommended moderate-to-vigorous phys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d16a0c19323247d22df6685919424fa2
https://doi.org/10.1155/2022/2633109
https://doi.org/10.1155/2022/2633109
Publikováno v:
Proceedings of the Institution of Civil Engineers - Transport. :1-13
Data mining techniques, specifically spatial clustering methods, are used to analyse crash data and find their spatial patterns. In the present study, a grid and density-based clustering algorithm ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25543c05e7273db857b7b2088b0ccab9
https://doi.org/10.1680/jtran.20.00028
https://doi.org/10.1680/jtran.20.00028