Requiem on the positive effects of commercial adaptive cruise control on motorway traffic and recommendations for future automated driving systems

Ciuffo, Biagio; Mattas, Konstadinos; Makridis, Michail; Albano, Giovanni; Anesiadou, Aikaterini; He, Yinglong; Josvai, Szilard; Komnos, Dimitris; Pataki, Márton; Vass, Sandor; Szalay, Zsolt

doi:10.1016/j.trc.2021.103305

Cited by 73 publications

(59 citation statements)

References 57 publications

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“…The benefits of connectivity are further exploited by traffic control strategies. Simulation of (1,3,14) with ATC controller (18) in Example 3 is shown in Fig. 1(c).…”

Section: Simulation Resultsmentioning

confidence: 99%

“…∈ N , which is associated with constant speed * that is identical for each vehicle, and constant headway ℎ * = * +1 − * − that may be different for each vehicle. This equilibrium can be found by substituting (24) into (1, 3) and (7) for ACC or (14) for ATC, and solving for * and ℎ * .…”

Section: Linearized Dynamicsmentioning

confidence: 99%

“…The key factor to obtain these benefits is to ensure that vehicles drive as smoothly as possible without major deceleration. Smoothness is often analyzed via the notion of string stability [9,21,45,51], which also has been used recently to evaluate commercial cruise control systems [14,24,25]. Smooth driving can be achieved either at the level of individual vehicles by vehicle control or at large-scale traffic level by traffic control [17].…”

Section: Introductionmentioning

confidence: 99%

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Virtual Rings on Highways: Traffic Control by Connected Automated Vehicles

Molnár¹,

Hopka²,

Upadhyay³

et al. 2022

Preprint

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This work gives introduction to traffic control by connected automated vehicles. The influence of vehicle control on vehicular traffic and traffic control strategies are discussed and compared. It is highlighted that vehicle-to-everything connectivity allows connected automated vehicles to access the state of the traffic behind them such that feedback can be utilized to mitigate evolving congestions. Numerical simulations demonstrate that such connectivity-based traffic control is beneficial for smoothness and energy efficiency of highway traffic. The dynamics and stability of traffic flow, under the proposed controllers, are analyzed in detail to construct stability charts that guide the selection of stabilizing control gains.

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“…The benefits of connectivity are further exploited by traffic control strategies. Simulation of (1,3,14) with ATC controller (18) in Example 3 is shown in Fig. 1(c).…”

Section: Simulation Resultsmentioning

confidence: 99%

Section: Linearized Dynamicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Virtual Rings on Highways: Traffic Control by Connected Automated Vehicles

Molnár¹,

Hopka²,

Upadhyay³

et al. 2022

Preprint

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show abstract

“…In general connected and automated vehicles are expected to reduce energy consumption of driving thanks to their capabilities to apply smoother and more efficient operations and to reduce congestion. In reality, recent studies based on empirical data collected from low levels of automation vehicles have showed that they contribute to increase energy consumption by delayed and harsher operations compared to human drivers ( [15], [16]). In general it is expected that vehicles with higher level of automation will have more advanced control strategies, also thanks to higher performance sensors which will be able to reduce reaction times and reduce the need for harsh operations.…”

Section: Increased Energy Efficiency Of Road Vehiclesmentioning

confidence: 99%

The future of road transport in Europe. Environmental implications of automated, connected and low-carbon mobility

Szymański¹,

Ciuffo²,

Fontaras³

et al. 2021

Combustion Engines

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The increasing efficiency of the transport system during the last 100 hundred years has fuelled and sustained the unprecedent economic growth of our society. It has shaped our livestyles and influenced the development of our cities and town. At the same time it has posed several challenges to our world as the provision of transport opportunities has heavily contribuitred to the depletion of natural resources, pollution, greenhouse gas emissions, etc. Road transport in particular has had a major role into this. Several policies have been introduced during the last 50 years in the attempt to limit the impact of the transport system, but they have been effective only to a certain extent. During the last years, however, new technologies and social trends are promising to disrupt the transport system and make it substantially more efficient and more sustanable. The present paper discusses the possibile environmental impacts of some of the new technologies applied to transport, in particular highlighting how its complexity may jeopardize the possible improvements that the new technologies promise without properly governing their use.

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“…These effects have been measured in full-scale vehicle experiments [32][33][34][35] and the results of those experiments have been incorporated into simulation models to predict the broader implications when many vehicles are equipped with ADS, with and without V2X communications [36,37].…”

mentioning

confidence: 99%

Opportunities, Challenges, and Uncertainties in Urban Road Transport Automation

Shladover

2022

Sustainability

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Automated driving has attracted intense attention in the media and among the general public, based on extremely optimistic predictions from some industry participants, but these have started to become more realistic in the last couple of years, after the “hype cycle” for automation peaked. This paper explains the opportunities for Automated Driving System (ADS) technology to improve the urban transport of people and goods, together with the challenges that will limit the scope and timing of the deployment of urban ADS. The discussion emphasizes the diversity of ADS applications and services, each of which has its own opportunities, challenges, and uncertainties, leading to diverse deployment scopes and schedules. The associated challenges are sufficiently daunting that ADS deployment will lag behind electrification and connectivity, leaving more time for cities to prepare for it.

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Requiem on the positive effects of commercial adaptive cruise control on motorway traffic and recommendations for future automated driving systems

Cited by 73 publications

References 57 publications

Virtual Rings on Highways: Traffic Control by Connected Automated Vehicles

Virtual Rings on Highways: Traffic Control by Connected Automated Vehicles

The future of road transport in Europe. Environmental implications of automated, connected and low-carbon mobility

Opportunities, Challenges, and Uncertainties in Urban Road Transport Automation

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