详情

New continuous approximation models for passenger and freight transportation

项目名称：	New continuous approximation models for passenger and freight transportation
摘要：	The purpose of this project is to discover new continuous approximation models for modern logistical problems, such as last‐mile delivery, the adoption of teleworking, and ridesharing. The continuous approximation paradigm is a quantitative method for solving logistics problems in which one uses a small set of parameters to model a complex system, which results in a simple algebraic equation that is easier to man‐ age than (for example) a large‐scale optimization model. As a further benefit, one often obtains insights from these simpler formulations that help to determine what affects the outcome most significantly. Continuous approximation models have been used for over 60 years to study classical logistical problems, but modern logistical systems bring new levels of complexity that existing models do not address. This project will combine tools from geospatial optimization, computational geometry, and geometric probability theory to formulate new models that will enable practitioners and policymakers to solve these new problems, and most importantly, to identify what features are most impactful in their real‐world use. This project will study three major logistical problems that are particularly timely, all of which are primarily concerned with reducing VMT and GHG: the first is to identify where and when the widespread adoption of teleworking is most desirable, the second is to identify the trade‐off between localized, independent provision of goods and services versus provision along a centralized backbone network, and the third is to quantify the improvements to system efficiencies by introducing ridesharing and crowdsourcing schemes.
状态：	Active
资金：	$99,998.00
资助组织：	Department of Transportation
项目负责人：	Brinkerhoff, Cort
执行机构：	University of Southern California, Los Angeles
开始时间：	20210816
预计完成日期：	20220815
主题领域：	Data and Information Technology；Freight Transportation；Passenger Transportation；Research