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APPLICATION OF GRAPH THEORY AND WELCH-POWELL METHOD AT TRAFFIC LIGHT REGULATION Sulistiani, Diah Ayu; Ais, Chalawatul; Fanani, Aris
JUTI: Jurnal Ilmiah Teknologi Informasi Vol. 20, No. 2, July 2022
Publisher : Department of Informatics, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24068535.v20i2.a1096

Abstract

Traffic lights are state-owned infrastructure facilities that are used to mark vehicles that must stop alternately from various directions. Traffic lights are often found at crossstreets, such as at the traffic lights on Jl. Margerejo with a long duration of red light and short green light. This study aims to obtain a traffic flow graph at the intersection of 4 Jalan Demak-Dupak Surabaya. Optimization of traffic light duration settings is very necessary on this street, because the long duration of the red light while the short duration of the green light causes the accumulation of vehicles at the intersection of Jalan Demak-Dupak Surabaya. In this study, the duration of the new traffic light was obtained, namely on Jl. Demak (North) red light 112.5 seconds and green light 37.5 seconds. For Jl. Dupak red light 84 seconds and green light 28 seconds. Jl. Demak (South) red light for 135 seconds and green light for 45 seconds. And for the axle Jl. Surabaya-Gresik red light for 84 seconds and green light for 28 seconds. The level of effectiveness of the green light is obtained by a value of 21.77% and the level of effectiveness of the red light is 6.62%.
KOMPARASI KEMAMPUAN PEMAHAMAN KONSEP SISWA DENGAN BERBANTUAN ALAT PERAGA DAN VIDEO JAM SUDUT Sulistiani, Diah Ayu; Mawarsari, Venissa Dian; Sulistyaningsih, Dwi
Journal of Lesson Study in Teacher Education Vol. 2 No. 2 (2023): Volume 2 No 2 2023
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v2i2.127

Abstract

This study aims to determine the differences in students' conceptual understanding skills using the corner clock teaching aid and the corner clock demonstration video media in class IV MI Negeri 1 Pati. This research is an experimental research with a quantitative method approach. The result of this study is that there is a significant difference in students' conceptual understanding skills between those who use the corner clock teaching aid and the corner clock demonstration video on the Angle Measurement material for class IV MI Negeri 1 Pati. The ability to understand concepts of students who use visual aids is higher than students who use video clock corners, as evidenced by the average value of the increase in the first experimental class by 0.67 and the second experimental class by 0.58.
KOMPARASI KEMAMPUAN PEMAHAMAN KONSEP SISWA DENGAN BERBANTUAN ALAT PERAGA DAN VIDEO JAM SUDUT Sulistiani, Diah Ayu; Mawarsari, Venissa Dian; Sulistyaningsih, Dwi
Journal of Lesson Study in Teacher Education Vol. 2 No. 2 (2023): Volume 2 No 2 2023
Publisher : Litbang PWM Jawa Tengah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51402/jlste.v2i2.127

Abstract

This study aims to determine the differences in students' conceptual understanding skills using the corner clock teaching aid and the corner clock demonstration video media in class IV MI Negeri 1 Pati. This research is an experimental research with a quantitative method approach. The result of this study is that there is a significant difference in students' conceptual understanding skills between those who use the corner clock teaching aid and the corner clock demonstration video on the Angle Measurement material for class IV MI Negeri 1 Pati. The ability to understand concepts of students who use visual aids is higher than students who use video clock corners, as evidenced by the average value of the increase in the first experimental class by 0.67 and the second experimental class by 0.58.