Search Results - "Chu, James C."
-
1
Variable guidance for pedestrian evacuation considering congestion, hazard, and compliance behavior
Published in Transportation research. Part C, Emerging technologies (01-12-2017)“…•A bi-level optimization methodology for variable pedestrian evacuation guidance is proposed.•A logistic regression model for guidance compliance behavior is…”
Get full text
Journal Article -
2
Mathematical programming framework for modeling and comparing network-level pavement maintenance strategies
Published in Transportation research. Part B: methodological (01-03-2018)“…•A framework is proposed for comparing network-level pavement maintenance strategies with a benchmark.•Multiple maintenance actions with heterogeneous effects…”
Get full text
Journal Article -
3
Optimization of Transportation-Infrastructure-System Protection Considering Weighted Connectivity Reliability
Published in Journal of infrastructure systems (01-03-2016)“…AbstractThis study proposes a model and a solution method to optimize protection planning for transportation-infrastructure systems such as highway networks,…”
Get full text
Journal Article -
4
Compton scatter imaging: A promising modality for image guidance in lung stereotactic body radiation therapy
Published in Medical physics (Lancaster) (01-03-2018)“…Purpose Lung stereotactic body radiation therapy (SBRT) requires delivering large radiation doses with millimeter accuracy, making image guidance essential. An…”
Get full text
Journal Article -
5
Long-term congestion anticipation and aversion in pedestrian simulation using floor field cellular automata
Published in Transportation research. Part C, Emerging technologies (01-11-2014)“…•Long-term congestion anticipation and aversion are incorporated into FFCA models.•A time–space network is used to calculate a time-dependent static field for…”
Get full text
Journal Article -
6
Mixed-integer programming model and branch-and-price-and-cut algorithm for urban bus network design and timetabling
Published in Transportation research. Part B: methodological (01-02-2018)“…•A MIP model for urban transit network design and timetabling problems is proposed.•A branch-and-price-and-cut algorithm is developed to solve the problem…”
Get full text
Journal Article -
7
Optimization of earth recycling and dump truck dispatching
Published in Computers & industrial engineering (01-02-2012)“…► A model to simultaneously plan earth recycling and truck dispatching is developed. ► Actual operating conditions are successfully considered. ► A heuristic…”
Get full text
Journal Article -
8
TDVRP and BIM Integrated Approach for In-Building Emergency Rescue Routing
Published in Journal of computing in civil engineering (01-09-2016)“…AbstractRouting decisions for rescue and evacuation are critical for emergency-response missions. For infrastructures with large and complex geometric spaces,…”
Get full text
Journal Article -
9
Models and a solution algorithm for planning transfer synchronization of bus timetables
Published in Transportation research. Part E, Logistics and transportation review (01-11-2019)“…•Mixed-integer programming models and a heuristic algorithm are proposed for transfer synchronization of bus timetables.•Bus timetables and passenger choices…”
Get full text
Journal Article -
10
A planning model and solution algorithm for multi-trip split-delivery vehicle routing and scheduling problems with time windows
Published in Computers & industrial engineering (01-09-2015)“…•The single-trip assumption in SDVRPTW is relaxed to allow multi-trip routing.•The time–space network method is used to formulate multi-trip SDVRPTW.•Actual…”
Get full text
Journal Article -
11
Characterization of Compton-scatter imaging with an analytical simulation method
Published in Physics in medicine & biology (11-01-2018)“…By collimating the photons scattered when a megavoltage therapy beam interacts with the patient, a Compton-scatter image may be formed without the delivery of…”
Get more information
Journal Article -
12
Optimal Scheduling for Highway Emergency Repairs Under Large-Scale Supply-Demand Perturbations
Published in IEEE transactions on intelligent transportation systems (01-12-2014)“…In this paper, we develop a model for emergency repair problems under large-scale supply-demand perturbations. The model formulation proposed in this paper has…”
Get full text
Journal Article -
13
A Multi-Trip Split-Delivery Vehicle Routing Problem with Time Windows for Inventory Replenishment Under Stochastic Travel Times
Published in Networks and spatial economics (01-03-2017)“…This study considers a multi-trip split-delivery vehicle routing problem with soft time windows for daily inventory replenishment under stochastic travel…”
Get full text
Journal Article -
14
Optimal threshold-based network-level transportation infrastructure life-cycle management with heterogeneous maintenance actions
Published in Transportation research. Part B: methodological (01-11-2012)“…► Hybrid dynamic models simulate state-of-the-practice threshold-based maintenance. ► Heterogeneous maintenance actions and maintenance history are represented…”
Get full text
Journal Article -
15
Condition-Dependent Maintenance Effectiveness in Dynamic Performance Models for Transportation Infrastructure
Published in Journal of infrastructure systems (01-03-2013)“…AbstractDynamic performance models that combine performance prediction and maintenance effectiveness are required for state-of-the-art optimization techniques…”
Get full text
Journal Article -
16
Electronic intracavitary brachytherapy quality management based on risk analysis: The report of AAPM TG 182
Published in Medical physics (Lancaster) (01-04-2020)“…Purpose The purpose of this study was to provide guidance on quality management for electronic brachytherapy. Materials and Methods The task group used the…”
Get full text
Journal Article -
17
Evaluation and characterization of parallel plate microchamber’s functionalities in small beam dosimetry
Published in Medical physics (Lancaster) (01-11-2002)“…A parallel plate microchamber (PPMC) has been designed to specifically address the problems of small beam dosimetry. The chamber’s extremely small volume and…”
Get full text
Journal Article -
18
Automated survey of 8000 plan checks at eight facilities
Published in Medical physics (Lancaster) (01-09-2016)“…Purpose: To identify policy and system related weaknesses in treatment planning and plan check work-flows. Methods: The authors’ web deployed plan check…”
Get full text
Journal Article -
19
The sensitivity of ArcCHECK‐based gamma analysis to manufactured errors in helical tomotherapy radiation delivery
Published in Journal of applied clinical medical physics (01-01-2015)“…Three‐dimensional measurement arrays are an efficient means of acquiring a distribution of data for patient plan delivery QA. However, the tie between plan…”
Get full text
Journal Article