in new zealand max pressure control of a network of signalized intersections

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  • Max pressure control of a network of signalized

    2013-11-1 · The paper presented the max pressure (MP) control of a signalized network. It has three advantages. First, MP is local: the control at an intersection depends only on the queue lengths on adjacent links. Consequently, MP communication requirements are low, and intersections can be added with no change in the control of other intersections.

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  • Variants of max pressure control for a network of ...

    2019-12-17 · Variants of max pressure control for a network of signalized intersections Jennie Lioris University of California, Berkeley, CA 94720 [email protected] Pravin Varaiya University of California, Berkeley, CA 94720 [email protected] Abstract—Max-Pressure (MP) policies applied to a Store and

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  • Adaptive Max Pressure Control of Network of

    2016-1-1 · (4) One may observe that Max-Pressure may be implemented incrementally: if a new intersection is added to the net- work, the max pressure policy for the original network does not change. In the centralised control of the cited studies in §1 an expansion of the controlled network leads to changes in the policy of all intersections.

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  • Adaptive Max Pressure Control of Network of Signalized ...

    2015-1-12 · A network of signalized intersections is modeled as a store-and-forward network of controlled queues, with one queue per movement or phase. At any time, a control policy operates a stage – a set of simultaneous movements – for a duration of time. We study an adaptive version of the max pressure control …

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  • The Max-Pressure Controller for Arbitrary Networks of ...

    2013-2-12 · The control of an arbitrary network of signalized intersections is considered. At the beginning of each cycle, a controller selects the duration of every stage at each intersection as a function of all queues in the network. A stage is a set of permissible (non-conflicting) phases along which vehicles may move at pre-specified saturation rates.

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  • PressLight: Learning Max Pressure Control to

    2019-7-25 · Pravin Varaiya. 2013a. Max pressure control of a network of signalized intersections. Transportation Research Part C: Emerging Technologies , Vol. 36 (2013), 177--195. Google Scholar Cross Ref; Pravin Varaiya. 2013b. Max pressure control of a network of signalized intersections.

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  • A Simulation Study on Max Pressure Control of

    2018-7-30 · In this paper, a decentralized traffic signal control strategy named max pressure control is reviewed and examined. This control strategy aims at optimizing overall network throughputs, but applies a distributed approach that only requires local information to generate timing plans for each intersection.

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  • [PDF] Control Experiments for a Network of Signalized ...

    Abstract The control of a network of signalized intersections is studied using a discrete-event simulator called ‘point queue' (.Q). Vehicles arrive at entry links from outside the network in a continuous Poisson stream, independently make turns at intersections, and eventually leave from exit links. There is a separate queue at each intersection for each turn movement.

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  • An Experimental Study on Max-Pressure Traffic

    2019-1-13 · The traffic control of an arbitrary network of signalized intersections is considered. This work presents a new version of the max-pressure controller, also known as back-pressure. The most remarkable features of the max-pressure algorithm for traffic signal control are …

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  • Performance Analysis of Centralized and Distributed ...

    2016-1-1 · The control systems were applied to networks with different topology and demand levels, and the network performances were evaluated through a Monte Carlo stochastic simulation framework that incorporates various sources of variations that mimic the traffic variability observed in the real world.

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  • Control experiments for a network of signalized ...

    2019-12-17 · Keywords: Tra c-responsive signal control, stabilizing policy, xed-time control, max-pressure control, store and forward queueing model, discrete-event simulation, Monte Carlo simulation, network performance evaluation. 1. INTRODUCTION A network of signalized intersections is modeled as a net-work of controlled queues, with one queue per ...

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  • Publications of Pravin Varaiya - People

    2016-9-3 · Max pressure control of a network of signalized intersections Transportation Research, Part C, 2013. A statistically robust payment sharing mechanism for an aggregate of renewable energy producers (with A. Nayyar, K. Poolla) European Control Conference (ECC), 2013. Real-Time Scheduling of Distributed Resources

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  • Controlling a network of signalized intersections from ...

    In Coogan and Arcak (2015b) and Coogan et al. (2015), we have noted that a similar discrete-time model of queue evolution in a network of signalized intersections is mixed monotone, but our focus ...

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  • Stability of Modified Max Pressure Controller with ...

    2019-12-19 · Max Pressure is a distributed network control policy derived from the concept of a back pressure controller , which was rst studied in the context of routing packets through a multi-hop communications network [11]. The idea was applied to road trafc management more recently by Varaiya [12] as well as Wongpiromsarn et al. [13]. The concept of ...

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  • Stability of modified max pressure controller with ...

    Stability of modified max pressure controller with application to signalized traffic networks July 2015 Proceedings of the American Control Conference 2015:1879-1886

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  • Hybrid modeling and predictive control of large-scale ...

    2021-5-19 · Pravin Varaiya. 2013. Max pressure control of a network of signalized intersections. Transportation Research Part C: Emerging Technologies 36 (2013), 177--195. Google Scholar Cross Ref; Oskar Blom Västberg, Hairong Dong, and Xiaoming Hu. 2013. Optimal pedestrian evacuation using model predictive control. In 2013 European Control Conference (ECC).

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  • IEEE TRANSACTIONS ON INTELLIGENT

    2021-5-26 · congestion. Based on the max-pressure approach, many local control schemes have been proposed for networks of signalized intersections (see [6]–[8]), which involve evaluations at each intersection requiring information exclusively from adjacent links. Although the high level of detail in mesoscopic models

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  • Leah Anderson Thomas Pumir Dimitrios Triantafyllos ...

    2019-12-19 · max pressure. We ultimately apply our cycle-based extension of max pressure to a simulation of an existing arterial network and provide comparison to the control policy that is currently deployed at the modeled location. 2010 Mathematics Subject Classi cation. Primary: 90B15, 93C99; Secondary: 90B20. Key words and phrases.

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  • Model predictive control of large-scale urban networks

    2021-5-26 · actuation systems (e.g., signalized intersections). The macro-scopic fundamental diagram (MFD) of urban traffic is a modeling tool for developing low complexity aggregated dynamic models of urban networks, which are required for the design of efficient network-level control schemes for the upper layer. It is possible to model an urban region

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  • Model Predictive Control of Urban Networks with

    2016-6-11 · Inspired by the max pressure routing scheme for wireless networks Tassiulas and Ephremides (1992), many local tra c control schemes have been proposed for networks of signalized intersections (see Varaiya (2013), Kouvelas et al. (2014), Wongpiromsarn et al. ... In this work we first introduce a new urban network model capable of expressing ...

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  • Maximum Pressure Controller for Stabilizing Queues in ...

    2016-12-10 · so that the pressure of a short link with several vehicles waiting to be served is higher than the pressure of a longer link with the same number of vehicles. The measurements (or estimates) z (k n), x ∀z ∈ Z, represent feedback from the network under control, based on which the new pressures are calculated via the equation in real time.

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  • signalized arterial networks - ETH Z

    2020-2-15 · Max-pressure Controller for Stabilizing the Queues in Signalized Arterial Networks Anastasios Kouvelas * Partners for Advanced Transportation Technology (PATH) University of California, Berkeley 2105 Bancroft Way Suite 300, Berkeley, CA, 94720-3830, USA [email protected] Jennie Lioris Partners for Advanced Transportation Technology (PATH)

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  • A simple crowdsourced delay-based traffic signal

    2020-4-7 · Varaiya P. Max pressure control of a network of signalized intersections. Transportation Research Part C: Emerging Technologies. 2013;36:177–195. View Article Google Scholar 6. Le T, Kovács P, Walton N, Vu HL, Andrew LL, Hoogendoorn SS. Decentralized signal control …

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  • IEEE TRANSACTIONS ON INTELLIGENT

    2021-5-26 · congestion. Based on the max-pressure approach, many local control schemes have been proposed for networks of signalized intersections (see [6]–[8]), which involve evaluations at each intersection requiring information exclusively from adjacent links. Although the high level of detail in mesoscopic models

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  • Max-pressure controller for stabilizing the queues in ...

    The mesoscopic model used for the simulation experiments is an extended version of the store-and-forward model and emulates the arterial traffic network as a queuing system. The obtained results demonstrate the efficiency of max-pressure algorithm, which, under certain conditions, can stabilize all queues of the system. Show more

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  • Integrated Signal Control and Route Guidance based on

    2016-12-10 · An extended overview of local and network control strategies is given by Van Katwijk (2008). In his thesis he also develops a new adaptive control strategy based on a multi-agent approach. 2.3. Back-pressure control The concept of back-pressure (also known as max pressure, max weight, maximum throughput, maximum differ-

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  • Model predictive control of large-scale urban networks

    2021-5-26 · actuation systems (e.g., signalized intersections). The macro-scopic fundamental diagram (MFD) of urban traffic is a modeling tool for developing low complexity aggregated dynamic models of urban networks, which are required for the design of efficient network-level control schemes for the upper layer. It is possible to model an urban region

    Get Price
  • Vulnerability of Fixed-Time Control of Signalized ...

    2019-4-14 · max-pressure [15], [17], which is a feedback control policy, and fixed-time control [12], which operates the signal in fixed periodical cycles independent of the traffic state. Although feedback control policies for signalized intersections have advantages in …

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  • (PDF) Back-Pressure Traffic Signal Control with

    Back-Pressure Traffic Signal Control with Unknown Routing Rates. Proceedings of the 19th IFAC World Congress, 2014. Emilio Frazzoli. T. Wongpiromsarn. Emilio Frazzoli. T. Wongpiromsarn. Download PDF. Download Full PDF Package. This paper. A short summary of this …

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  • A Novel Reinforcement Learning-based Cooperative

    2021-3-31 · Improving the efficiency of traffic signal control is an effective way to alleviate traffic congestion at signalized intersections. To achieve effective management of the system-wide traffic flows, current researches tend to focus on applying reinforcement learning (RL) techniques for collaborative traffic signal control in a traffic road network. However, the existing collaboration-based ...

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  • Maximum Pressure Controller for Stabilizing Queues in ...

    2016-12-10 · so that the pressure of a short link with several vehicles waiting to be served is higher than the pressure of a longer link with the same number of vehicles. The measurements (or estimates) z (k n), x ∀z ∈ Z, represent feedback from the network under control, based on which the new pressures are calculated via the equation in real time.

    Get Price
  • Max-pressure controller for stabilizing the queues in ...

    The mesoscopic model used for the simulation experiments is an extended version of the store-and-forward model and emulates the arterial traffic network as a queuing system. The obtained results demonstrate the efficiency of max-pressure algorithm, which, under certain conditions, can stabilize all queues of the system. Show more

    Get Price
  • Application-Aware Anomaly Detection of Sensor

    2018-7-27 · Max-Pressure Controller. Consider a network of intersections I with road links L.Movement from a link i ∈ L to a link j ∈ L is denoted by a pair (i, j) ∈ E.Further, let each movement (i, j) have a queue associated with it, and at each timestep, let x(i, j) represent the length of this queue.The length of the queue shows how many vehicles intend to travel from i to j.

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  • Traffic Network Modeling and Extended Max-Pressure

    2019-3-18 · Reasonable traffic network model and flexible traffic control strategy play important roles in improving the urban traffic control efficiency. Introducing granular computing theory into traffic network modeling and traffic control is a useful attempt, since granular computing is closer to the human thinking in solving problems. In this paper, the traffic elements are depicted using S-rough set ...

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  • Research Article Traffic Signal Synchronization in the ...

    2019-7-31 · control strategies have been proposed by many researchers, which mainly employ arti cial intelligence algorithms, including genetic algorithms, fuzzy logic algorithms, neural networkalgorithms,andmixed-integerlinearprogramming. Yu and Recker proposed an adaptive control model of a network of signalized intersections based on a discrete-time,

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  • Self-control of traffic lights and vehicle flows in urban ...

    Based on fluid-dynamic and many-particle (car-following) simulations of traffic flows in (urban) networks, we study the problem of coordinating incompatible traffic flows at intersections. Inspired by the observation of self-organized oscillations of pedestrian flows at bottlenecks, we propose a self-organization approach to traffic light control.

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  • Abstract - export.arxiv.org

    2021-1-25 · This new algorithm is called MetaLight, where the key idea is to use meta-learning strategy proposed in [10] to make a more universal model. However, MetaLight still needs to re-train its model parameter for any new intersection. In [30], a multi-agent RL algorithm is proposed to control the traffic signals for multiple intersections with

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  • Rights License: Research Collection In Copyright - Non ...

    2020-2-15 · perimeter control regulator is utilized for the upper-level layer. Another lower-level control layer utilizes the max-pressure regulator, which constitutes a local feedback control law, applied in coupled intersections, in a distributed systems-of-systems (SoS) concept. Di erent approaches

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  • Group-based hierarchical adaptive traffic-signal

    Downloadable (with restrictions)! A group-based adaptive traffic-control method for isolated signalized junctions is developed that includes a hierarchical structure comprising tactical and local levels of signal timing optimization. The control method optimizes the signal timings in adaptive traffic-control systems, and takes full advantage of flexible new technologies to incorporate the most ...

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  • Transportation planning and technology - Terkko

    35 days Transportation planning and technology. Evaluating car-sharing switching rates from traditional transport means through logit models and Random Forest classifiers. 35 days Transportation planning and technology. Optimal service zone and headways for flexible-route bus services for multiple periods.

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  • DeepDyve - Unlimited Access to Peer-Reviewed Journals

    DeepDyve is the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • NZS 4404:2004 :: Standards New Zealand

    2010-6-30 · Joint Australian New Zealand standards ; New Zealand standards development ... Minimum traffic sight lines at non-signalized intersections. Figure 3.4 – Dimensions of cul-de-sac turning areas ... Figure 3.7 – Pedestrian accessway cycle barriers 100 800 2200 MIN 3400 MAX 150 150 MAX 1150 MIN MAX 800 1500 MAX 175 175 3400 MIN 4100 MAX 40 MM ...

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  • The traffic signal control problem for intersections: a ...

    2020-9-17 · The intersection traffic signal control problem (ITSCP) has become even more important as traffic congestion has been more intractable. The ITSCP seeks an efficient schedule for traffic signal settings at intersections with the goal of maximizing traffic flow while considering various factors such as real-time strategies, signal timing constraints, rapid developments in traffic systems, and ...

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  • AttendLight: Universal Attention-Based Reinforcement ...

    This new algorithm is called MetaLight, where the key idea is to use meta-learning strategy proposed in [10] to make a more universal model. However, MetaLight still needs to re-train its model parameter for any new intersection. In [30], a multi-agent RL algorithm is proposed to control the traffic signals for multiple intersections with

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  • Search | arXiv e-print repository

    Abstract: The emerging connected-vehicle technology provides a new dimension in developing more intelligent traffic control algorithms for signalized intersections in networked transportation systems. An important challenge for the scheduling problem in networked transportation systems is the switch-over delay caused by the guard time before ...

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  • Self-control of traffic lights and vehicle flows in urban ...

    Based on fluid-dynamic and many-particle (car-following) simulations of traffic flows in (urban) networks, we study the problem of coordinating incompatible traffic flows at intersections. Inspired by the observation of self-organized oscillations of pedestrian flows at bottlenecks, we propose a self-organization approach to traffic light control.

    Get Price
  • Evolutionary design optimization of traffic signals ...

    2017-12-13 · Results are shown for consecutive signalized intersections S3, S4 and S5 with south-north flow. These intersections are located in a zone close to saturation as shown in Fig 16. The storage capacity and max flow capacity per green time of the link where the signal is located are shown as reference in horizontal dotted and dashed lines ...

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  • GitHub - PaoPaoRobot/IROS2020-paper-list:

    2020-12-2 · IROS 2020 is free with access to every Technical Talk, Plenary and Keynote, over 60 Workshops and Tutorials, the Competitions, and includes publishing of accepted papers in the IROS Proceedings and IEEE XPlore. This list is edited by PaopaoRobot, 泡泡机器人, the Chinese academic nonprofit organization. Recently we will classify these ...

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  • A Proof for the Queuing Formula: L = λW | Operations

    2018-11-5 · Abstract. In a queuing process, let 1/λ be the mean time between the arrivals of two consecutive units, L be the mean number of units in the system, and W be the mean time spent by a unit in the system. It is shown that, if the three means are finite and the corresponding stochastic processes strictly stationary, and, if the arrival process is ...

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