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Transportation research. Part B: methodological, ISSN 0191-2615, 2011, Volume 45, Issue 1, pp. 267 - 277
Schedule-based or headway-based control schemes to reduce bus bunching are not resilient because they cannot prevent buses from losing ground to the buses they... 
Bus bunching | Transit operations | Adaptive control | ENGINEERING, CIVIL | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | TRANSPORTATION | TRANSPORTATION SCIENCE & TECHNOLOGY | TIME | HOLDING PROBLEM | Bus bunching Transit operations Adaptive control
Journal Article
Transportation research. Part B: methodological, ISSN 0191-2615, 2012, Volume 46, Issue 4, pp. 481 - 491
The primary challenge for an urban bus system is to maintain constant headways between successive buses. Most bus systems try to achieve this by adherence to a... 
Bus bunching | Headway control | Adaptive control | Transit operations | Self-organization | ENGINEERING, CIVIL | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | TRANSPORTATION | TRANSPORTATION SCIENCE & TECHNOLOGY | TIME | HOLDING PROBLEM
Journal Article
Nuclear Inst. and Methods in Physics Research, B, ISSN 0168-583X, 11/2015, Volume 362, pp. 86 - 92
We describe a system designed to re-bunch positron pulses delivered by an accumulator supplied by a positron source and a Surko-trap. Positron pulses from the... 
Bunching | Positronium | Positron | INSTRUMENTS & INSTRUMENTATION | EXCITATION | NUCLEAR SCIENCE & TECHNOLOGY | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | PHYSICS, NUCLEAR | Magnetic fields | Magnetic alloys | Emission spectroscopy | Accumulators | Spots | Positrons | Shot | Compressed | Instrumentation and Detectors | Physics
Journal Article
Transportation research. Part B: methodological, ISSN 0191-2615, 2017, Volume 104, pp. 175 - 197
•We develop a bus motion model taking into account of bus overtaking, bus capacity constraint and dynamic redistribution of passenger queues.•We develop quasi... 
Bus bunching | Public transport | Overtaking | Holding control | Distributed passenger boarding | CONTROL STRATEGIES | DESIGN | TRANSPORTATION | TIME | ENGINEERING, CIVIL | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | TRANSPORTATION SCIENCE & TECHNOLOGY | ECONOMICS | Control systems | Analysis
Journal Article
Physical review letters, ISSN 1079-7114, 2019, Volume 123, Issue 5, p. 056803
A quantum magnetic impurity of spin S at the edge of a two-dimensional time reversal invariant topological insulator may give rise to backscattering. We study... 
TRANSPORT | PHYSICS, MULTIDISCIPLINARY | SHOT-NOISE | QUANTUM | Shot noise | Bunching | Backscattering | Electron bunching | Exact solutions
Journal Article
New Journal of Physics, ISSN 1367-2630, 2014, Volume 16, Issue 3, pp. 33018 - 13
We discuss a two-color SASE free-electron laser (FEL) amplifier where the time and energy separation of two separated radiation pulses are controlled by... 
velocity bunching | bunch train | freeelectron laser | high brightness electron beams | two-color radiation | PUMP-PROBE EXPERIMENTS | SPARC | PHYSICS, MULTIDISCIPLINARY | OPERATION | free-electron laser | GENERATION | Electron beams | Laser beams | Lasers | Free electrons | Free electron lasers | Color | Compressing | Amplifiers | Flexibility | Adjustable | Linear accelerators
Journal Article
Transportation research. Part B: methodological, ISSN 0191-2615, 2011, Volume 45, Issue 10, pp. 1831 - 1845
Journal Article
Physical review letters, ISSN 1079-7114, 2017, Volume 118, Issue 15, p. 154802
Ultralow emittance (<= 20 nm, normalized) electron beams with 10(5) electrons per bunch are obtained by tightly focusing an ultrafast (similar to 100 fs) laser... 
ACCELERATION | DIFFRACTION | PLASMA | PHYSICS, MULTIDISCIPLINARY | DIELECTRIC MICROSTRUCTURE | PULSES | Radio frequencies | Emittance | Deflection | Focusing | Holes | Laser beams | Relativistic electron beams | Bunching | Physics - Accelerator Physics
Journal Article
Physica B: Physics of Condensed Matter, ISSN 0921-4526, 04/2014, Volume 439, pp. 54 - 59
We report on the structural and electronic properties of graphene grown on SiC by high-temperature sublimation. We have studied thickness uniformity of... 
Epitaxial graphene | Step-bunching | Electronic properties | Spectroscopic ellipsometry mapping | Sublimation of SiC | PHYSICS, CONDENSED MATTER | GROWTH | GAS | DIELECTRIC FUNCTIONS | Silicon carbide | Graphene | Analysis | Epitaxy | Fermi surfaces | Variability | Polytypes | Bunching | Fysik | Physical Sciences | Naturvetenskap | Natural Sciences
Journal Article
Transportation research. Part C, Emerging technologies, ISSN 0968-090X, 2018, Volume 87, pp. 197 - 211
•Holding methods used in practice and recommended in the literature are compared.•The trade-off between headway stability and holding time is tested for each... 
Bus bunching | Simulation | Public Transportation | Prediction | Real-time control | Holding method | Passenger wait | Control strategy | STRATEGIES | STOCHASTIC-MODEL | ARRIVAL-TIME | TRANSPORTATION SCIENCE & TECHNOLOGY | WAIT
Journal Article
Transportation research. Part B: methodological, ISSN 0191-2615, 2018, Volume 110, pp. 280 - 301
•This paper introduced a two-way-looking control scheme to limit bus bunching.•This study proved that the control scheme will converge all bus headways to the... 
Self-equalizing | Bus bunching | Headway control | Bus operations | TRANSPORTATION | TIME | RELIABILITY | MODEL | STRATEGIES | ENGINEERING, CIVIL | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | TRANSPORTATION SCIENCE & TECHNOLOGY | ECONOMICS | SCHEDULE | Analysis | Numerical analysis
Journal Article
Transportation research. Part C, Emerging technologies, ISSN 0968-090X, 2016, Volume 72, pp. 45 - 59
•The stop-level headway irregularity based on transit smart card data is captured.•LS-SVM regression is established to detect bus bunching.•More than 95% bus... 
Headway irregularity | Least squares support vector machine | Transit smart card | Bus bunching prediction | IMPACT | ARRIVAL-TIME PREDICTION | INFORMATION | TRANSPORTATION SCIENCE & TECHNOLOGY | BUILT ENVIRONMENT | REAL-TIME | Smart cards | Integrated circuit cards | Algorithms | Analysis | Data buses | Buses (vehicles) | Passengers | Mathematical models | Headways | Transit | Bunching
Journal Article
Transportation research. Part B: methodological, ISSN 0191-2615, 2017, Volume 104, pp. 123 - 148
•Predictive control for bus bunching.•Data-driven prediction models based on operational data.•Extend current control frameworks to include prediction... 
Bus bunching | Headway prediction | Dynamic holding | Transit operations | Predictive control | ROUTE | CAPACITY | TRANSPORTATION | RELIABILITY | MODEL | STRATEGIES | ARRIVAL-TIME | ENGINEERING, CIVIL | OPERATIONS RESEARCH & MANAGEMENT SCIENCE | TRAVEL-TIME PREDICTION | TRANSPORTATION SCIENCE & TECHNOLOGY | ECONOMICS | SCHEDULE | WAIT | REAL-TIME | Analysis | Numerical analysis
Journal Article