Michal Maciejewski

Michal Maciejewski
Technische Universität Berlin | TUB · Department of Land and Sea Transport Systems

PhD

About

79
Publications
23,577
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1,148
Citations

Publications

Publications (79)
Article
Full-text available
Ride‐hailing services have the potential to play a major role within future transport systems. While the operation as well as environmental, social and economic consequences are research subjects, the focus in the literature lies on system efficiency and profitability. In this study, vehicle relocation strategies are investigated with respect to se...
Preprint
Full-text available
Serving both passenger and freight demand with the same vehicle fleet is an ambition that led to the development of several innovative vehicle concepts [10, 26]. This study proposes a simulation-based methodology to investigate the execution of freight tours with an On-Demand fleet of autonomous, modular vehicles while giving priority to passenger...
Article
Full-text available
Serving both passenger and freight demand with the same vehicle fleet is an ambition that led to the development of several innovative vehicle concepts [10, 26]. This study proposes a simulation-based methodology to investigate the execution of freight tours with an On-Demand fleet of autonomous, modular vehicles while giving priority to passenger...
Preprint
Full-text available
Ride-hailing services have the potential to play a major role within future transport systems. While the operation as well as environmental, social and economic consequences are research subjects, the focus in the literature lies on system efficiency and profitability. In this study, vehicle relocation strategies are investigated with respect to se...
Article
Full-text available
Worldwide, ridesharing business is steadily growing and has started to receive attention also by public transport operators. With future fleets of Autonomous Vehicles, new business models connecting schedule-based public transport and feeder fleets might become a feasible transport mode. However, such fleets require a good management to warrant a h...
Article
Full-text available
The market entrance of shared autonomous vehicles (SAV) may have disruptive effects on current transport systems and may lead to their total transformation. For many small and medium-sized cities, a full replacement of public transport services by these systems seems to be possible. For a transport system operator, such a system requires a bigger f...
Article
Full-text available
Parking is a major constraint for car users and therefore an important factor in mode choice decisions. In this paper we introduce a model to simulate parking search behavior for cars within a multiagent transport simulation, including full simulation of all steps of parking search, such as walking to and from the vehicle. This is combined with the...
Article
Full-text available
Demand responsive collective transportation might be a solution to serve thin flows that occur when the average demand per time unit for travel between particular locations is small. Small capacity and/or specially equipped vehicles are deployed to serve low population density areas and mobility impaired passengers. The variability of the demand an...
Article
Full-text available
Fleets of shared Autonomous Vehicles (AVs) could replace private cars by providing a taxi-like service but at a cost similar to driving a private car. On the one hand, large Autonomous Taxi (AT) fleets may result in increased road capacity and lower demand for parking spaces. On the other hand, an increase in vehicle trips is very likely, as travel...
Conference Paper
Full-text available
Since modern transport services are becoming more flexible, demand-responsive, and energy/cost efficient, there is a growing demand for large-scale microscopic simulation platforms in order to test sophisticated routing algorithms. Such platforms have to simulate in detail, not only the dynamically changing demand and supply of the relevant service...
Article
Full-text available
Autonomous taxi (AT) fleets have the potential to take over a significant amount of traffic handled nowadays by conventionally driven vehicles (CDV). In this paper, we simulate a city-wide replacement of private cars with AT fleets of various sizes. The simulation model comprises microscopic demand for all private car trips in Berlin (including inc...
Chapter
Full-text available
Article
Autonomous taxi (AT) fleets have the potential to take over a significant amount of traffic handled nowadays by conventionally driven vehicles (CDV). In this paper, we simulate a city-wide replacement of private cars with AT fleets of various sizes. The simulation model comprises microscopic demand for all private car trips in Berlin (including inc...
Article
Full-text available
The paper presents research on large-scale microscopic simulation of taxi services in Berlin and Barcelona based on floating car data collected by local taxi fleets. Firstly, Berlin’s and Barcelona’s taxi markets are shortly described and the demand and supply data obtained from FCD analysed. Secondly, the online taxi dispatching problem formulatio...
Conference Paper
Due to the limited range of electric vehicles (EV), accurate models of energy consumption are necessary for ensuring optimal operation of EV fleets. Because detailed microscopic models require speed profiles of high resolution, their use is limited to small optimization problems (combined with traffic microsimulation) or post-processing of register...
Article
Full-text available
This study proposes and evaluates an efficient real-time taxi dispatching strategy that solves the linear assignment problem to find a globally optimal taxi-to-request assignment at each decision epoch. The authors compare the assignment-based strategy with two popular rule-based strategies. They evaluate dispatching strategies in detail in the cit...
Article
Full-text available
The paper presents research on large-scale microscopic simulation of taxi services in Berlin based on floating car data collected by the Taxi Berlin fleet, the largest taxi association in Germany's capital. Firstly, Berlin's taxi market is shortly described and the demand and supply data obtained from FCD analysed. Secondly, the online taxi dispatc...
Conference Paper
Full-text available
Transport is an essential element of socio-economic growth, however, its development, besides the obvious benefits, generates a number of external costs such as congestion, noise, emission of harmful substances into the environment, depletion of non-renewable resources and energy consumption. One of the factors affecting the reduction of the enviro...
Article
Full-text available
Qualche anno fa è stata avviata una ricerca congiunta tra l’Università della Calabria (Italia) e il Politechnika Poznańska (Polonia) allo scopo di effettuare degli studi sulla differenza di risposta di vari modelli di simulazione del traffico stradale. Uno di questi studi ha riguardato la comparazione di 12 diversi modelli comportamentali di car-fo...
Article
Full-text available
Qualche anno fa è stata avviata una ricerca congiunta tra l’Università della Calabria (Italia) e il Politechnika Poznańska (Polonia) allo scopo di effettuare degli studi sulla differenza di risposta di vari modelli di simulazione del traffico stradale. Uno di questi studi ha riguardato la comparazione di 12 diversi modelli comportamentali di car-fo...
Article
Full-text available
This paper analyses the use of exact offline optimization methods for benchmarking online taxi dispatching strategies where the objective is to minimize the total passenger waiting time. First, a general framework for simulating dynamic transport services in MATSim (Multi-Agent Transport Simulation) is described. Next, the model of online taxi disp...
Conference Paper
Full-text available
Battery operated electric vehicles (BEVs) offer the opportunity of running a zero-emission car fleet. However, due to their current range constraints, electric vehicle operations are mainly attractive for inner-city transport, such as the taxi business. This paper is bringing together facts and assumptions about Berlin’s taxi transport and the curr...
Article
Full-text available
Battery operated electric vehicles offer the opportunity to manage zero-emission car traffic at low operational costs. Due to their current range constraints, electric vehicle operations are mainly attractive for inner-city transport, with taxicabs being one possible field of application. In this paper, a battery operated electric taxicab fleet is...
Conference Paper
Full-text available
The paper deals with the problem of the optimal collaboration scheme in taxi dispatching between customers, taxi drivers and the dispatcher. The authors propose three strategies that differ by the amount of information exchanged between agents and the intensity of cooperation between taxi drivers and the dispatcher. The strategies are evaluated by...
Article
Full-text available
The aim of the paper is to carry out a comparative study of 13 different traffic flow models available in TRITONE, a new road traffic simulator that specializes particularly in quantitative road safety assessment. After a short introduction on traffic flow modelling, a description of the TRITONE functionality is given and various types of behaviour...
Article
Full-text available
The paper presents a comparison of different approaches to traffic modelling and forecasting in VISUM and MATSim. The comparison was based on three indicators: link volumes, average travel time and distance. For this purpose, a virtual city with a road network and an OD matrix describing travel demands were created. Next the input data were created...
Article
Full-text available
The paper deals with the Fleet Composition Problem (FCP) for a 2-echelon fuel distribution system, composed of a fuel regional warehouse (depot) and 100 gas stations (customers). The customers’ orders include random quantities of 4 types of fuel, which are distributed by a specialized fleet of road tankers. The fleet includes 4- and 8-chamber tanke...
Conference Paper
Full-text available
The paper presents the idea and the initial outcomes of integrating MATSim, a multi-agent transport simulation system, with the DVRP Optimizer, an application for solving the Dynamic Vehicle Routing Problem. First, the justification for the research is given and the state of the art is outlined. Then, MATSim is presented with a short description of...
Article
Full-text available
This paper presents the application of on-off skyhook and fuzzy logic skyhook based controller to control semi-active suspension. Investigations were made with a use of a non-linear quarter car suspension model with characteristics of a real semi-active shock absorber with a bypass valve. The other parameters of the model were estimated on a vehicl...
Article
Full-text available
The paper presents Junction Turning Ratios Route Planner (JTRRouter) for TRANSIMS that enables to generate fast route plans for vehicles on the basis of traffic measurements conducted at intersections. First, TRANSIMS system was introduced. Afterwards a general design, functionality, and requirements of JTRRouter were described. The authors present...
Conference Paper
The paper presents MATSim Junction Turning Ratios Route Planner (JTRRouter) that enables to generate route plans for vehicles on the basis of traffic measurements conducted at intersections. The authors described a general design, functionality, and requirements of JTRRouter, and then presented a sketch of the route planning algorithm and discussed...
Conference Paper
Full text in English: https://www.researchgate.net/publication/259778580_Parametric_Calibration_of_the_Queue-Based_Traffic_Flow_Model_in_MATSim
Article
Full-text available
The paper compares the results of an application of three selected systems (TRANSIMS, SUMO, and VISSIM) to the microscopic simulation of traffic flow for a fragment of a real urban road network. First, the problem of traffic flow modeling and simulation was described, and the selected systems were introduced. Afterwards, model construction and simu...
Conference Paper
Full-text available
Implementing a large-scale information system for the education sector involves a number of engineering challenges, such as high security and correctness standards imposed by the law, a large and varied group of end users, or fault-tolerance and a distributed character of processing. I n this paper we report on our experiences with building and dep...
Article
Full-text available
Finding efficient and cost acceptable solution for supporting processes in city-logistics leads to multi-user multi-layer hybrid simulation systems incorporating latest technology achievements: from sophisticated computer and database systems thru latest large data set computing metaheuristic algorithms to Global Positioning Systems and other statu...

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Projects (2)
Project
We want to improve the current algorithms of MATSim DRT extension.
Project