Investigate the complexity of the control system of the Norwegian traffic light using Petri net model

Tristono, Tomi; Cahyono, Setiyo Daru; Sutomo, Sutomo; Utomo, Pradityo

doi:10.1088/1742-6596/1211/1/012022

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…The Petri net connectivity of the traffic lights control systems can be represented using Forward Incidence and Backward Incidence matrices [27]. Furthermore, it can develop the algorithm of the structural complexity, and its analysis refers to the backward incidence matrix and the forward incidence matrix of the Petri net model.…”

Section: Resultsmentioning

confidence: 99%

The Structural Complexity of Various Elements of Systems

et al. 2022

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This paper is aimed to describe the structural complexity of the traffic light control system. The structural complexity represents an interrelationship indicator between the various elements functions. The traffic light control system has several additional features that are synchronized to the railway doorstop, and the time interval for the green signals is expanded. For determining the method of its structural complexity, the Petri net model is used. Three kinds of traffic lights models are explored, namely standard, Norwegian, and the Norwegian improvement. The study results indicate that the Norwegian traffic lights have the most complex structure when regular implementation. The runner up is the Norwegian improvement. The most ideal is the standard traffic lights. Norwegian improvement is the most ideal when integrated with the railway doorstop and implemented extra green signals time interval. The Norwegian traffic light is the second. The standard traffic lights structural complexity fluctuates. It means that the Norwegian traffic light and its improvement are suitably used. Adding several features improve the structural complexity approaching the ideal system while extra controllers accompany each element. HIGHLIGHTS The Petri net model can represent the structural complexity of a system The method that can measure the structural complexity becomes ideal for actual implementation The Norwegian traffic lights structural complexities and improvements are ideal for the systems synchronized to the railway and appropriate for systems using the extra green signal time intervals or other additional features GRAPHICAL ABSTRACT

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Section: Resultsmentioning

confidence: 99%

The Structural Complexity of Various Elements of Systems

et al. 2022

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“…During the queue of vehicles from west to east, vehicles from the north will go west, and vehicles from the east will go north empty, then the north traffic light turns red, and the signals for the west and east arms turn green. The structural complexity presented in Table 1 is calculated based on the formula by Taiping and Peisi [27], [28]. The structural complexity of the adaptive traffic light is 25% higher than systems implementing a fixed-time strategy.…”

Section: Discussionmentioning

confidence: 99%

Traffic lights time strategy for T-junctions of toll road gate

Tristono,

Cahyono,

Aji

et al. 2023

IJRA

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Vehicles wishing to pass on the toll road must diverge from the traffic flow on public roads. The toll road movement consists of low vehicles (LV) and heavy vehicles (HV). The public road movement is a mixed traffic flow consisting of LV, HV, motorcycles, and unmotorized vehicles. Traffic lights are used at the T-junction of the toll road gate for travel safety management. The traffic lights that implement a fixed-time strategy should be optimized for efficiency. This study aims to review the safety of travel management at T-junctions for the toll road gate when adaptive traffic lights are used. The structural complexity of mathematical modeling with Petri net is used to analyze and measure the feasibility study. Results illustrate that the structural complexity of the traffic lights that implement a fixed time strategy equals 0.387. It is equal to 0.489 for the adaptive traffic lights. The structural complexity of adaptive traffic lights is 25% higher than conventional systems that implement a fixed-time strategy. The adaptive traffic lights time strategy is feasible for travel safety for road users. The travel time is efficient and comfortable because the delay is low. Furthermore, traffic lights can adjust to the demand of vehicles queuing.

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“…Petri net models are used to analyse and compare systems using various metrics and methods to assess, among others, system performance, probability of events, and behavioural and structural complexity [e.g. [45][46][47][48][49][50]. Moreover, new metrics and methods can be developed using the underlying mathematics of Petri nets.…”

Section: Petri Nets: Non-sequential Formal Modelsmentioning

confidence: 99%

Modelling and measuring complexity of traditional and ancient technologies using Petri nets

et al. 2022

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Technologies and their production systems are used by archaeologists and anthropologists to study complexity of socio-technical systems. However, there are several issues that hamper agreement about what constitutes complexity and how we can systematically compare the complexity of production systems. In this work, we propose a novel approach to assess the behavioural and structural complexity of production systems using Petri nets. Petri nets are well-known formal models commonly used in, for example, biological and business process modelling, as well as software engineering. The use of Petri nets overcomes several obstacles of current approaches in archaeology and anthropology, such as the incompatibility of the intrinsic sequential logic of the available methods with inherently non-sequential processes, and the inability to explicitly model activities and resources separately. We test the proposed Petri net modelling approach on two traditional production systems of adhesives made by Ju/’hoan makers from Nyae, Namibia from Ammocharis coranica and Ozoroa schinzii plants. We run simulations in which we assess the complexity of these two adhesive production systems in detail and show how Petri net dynamics reveal the structural and behavioural complexity of different production scenarios. We show that concurrency may be prevalent in the production system of adhesive technologies and discuss how changes in location during the process may serve to control the behavioural complexity of a production system. The approach presented in this paper paves the way for future systematic visualization, analysis, and comparison of ancient production systems, accounting for the inherent complex, concurrent, and action/resource-oriented aspects of such processes.

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Investigate the complexity of the control system of the Norwegian traffic light using Petri net model

Cited by 3 publications

References 5 publications

The Structural Complexity of Various Elements of Systems

The Structural Complexity of Various Elements of Systems

Traffic lights time strategy for T-junctions of toll road gate

Modelling and measuring complexity of traditional and ancient technologies using Petri nets

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