Results 21 to 30 of about 618,605 (167)

Interaction between intelligent agent strategies for real-time transportation planning [PDF]

open access: yes, 2010
In this paper we study the real-time scheduling of time-sensitive full truckload pickup-and-delivery jobs. The problem involves the allocation of jobs to a fixed set of vehicles which might belong to dfferent collaborating transportation agencies.
Heijden, Matthieu van der   +2 more
core   +7 more sources

A disaster risk assessment model for the conservation of cultural heritage sites in Melaka Malaysia [PDF]

open access: yes, 2017
There exist ongoing efforts to reduce the exposure of Cultural Heritage Sites (CHSs) to Disaster Risk (DR). However, a complicated issue these efforts face is that of ‘estimation’ whereby no standardised unit exist for assessing the effects of Cultural ...
Mansir, Dodo
core   +1 more source

Generation of cubic graphs and snarks with large girth [PDF]

open access: yes, 2017
We describe two new algorithms for the generation of all non-isomorphic cubic graphs with girth at least $k\ge 5$ which are very efficient for $5\le k \le 7$ and show how these algorithms can be efficiently restricted to generate snarks with girth at ...
Brinkmann, Gunnar, Goedgebeur, Jan
core   +1 more source

The benefit of complete trip information in free-floating carsharing systems

open access: yesEURO Journal on Transportation and Logistics, 2023
Free-floating and instant-access carsharing systems are two features of the most flexible carsharing systems. In the former, users are allowed to freely park the car in any legal parking spot within the boundaries defined by the service operator.
Claudia Archetti   +3 more
doaj   +1 more source

Dynamic Collection Scheduling Using Remote Asset Monitoring: Case Study in the UK Charity Sector [PDF]

open access: yes, 2013
Remote sensing technology is now coming onto the market in the waste collection sector. This technology allows waste and recycling receptacles to report their fill levels at regular intervals.
Angelelli E.   +20 more
core   +2 more sources

H∞ Loop Shaping Robust Control For Tractor-semitrailer

open access: yesMATEC Web of Conferences, 2015
The tractor-semitrailer model is general described and analyzed in road reference coordinate system. The lateral error of look-ahead distance has been chosen as nominal plant and a robust controller using H∞ loop-shaping procedure is designed which can ...
Chang Sheng   +3 more
doaj   +1 more source

USV and AUV Cooperative Control Strategy Based on Nonlinear Disturbance Observer

open access: yesShanghai Jiaotong Daxue xuebao, 2023
Facing the three-dimensional, diverse, and complex underwater detection task, this paper proposed an unmanned surface vehicle-autonomous underwater vehicle (USV-AUV) cross-domain heterogeneous cooperative control strategy based on the leader-follower ...
YU Te, LIU Jiapeng, WU Chao, ZHOU Chang, ZHOU Shengzeng, WANG Lei
doaj   +1 more source

Path Tracking Control of a Differential-Drive Tracked Robot Based on Look-ahead Distance

open access: yesIFAC-PapersOnLine, 2018
Abstract In this paper, a PI path tracking controller based on look-ahead point information for a differential-drive crawler-type robot was developed. The robot is equipped with Global Navigation Satellite System (GNSS) antennas and a receiver module which are used as navigation sensors to obtain real-time estimates of the position and heading errors
Peichen Huang   +4 more
openaire   +1 more source

Path tracking control of crawler mobile platform based on bang-bang control with boundary layer

open access: yesGong-kuang zidonghua, 2021
In order to realize the path tracking of the on-off valve-controlled crawler mobile platform that cannot be closed-loop speed regulated, considering the low speed of the platform and the ability to turn in place, a bang-bang path tracking control ...
WU Mingyang   +5 more
doaj   +1 more source

Mutual information-based exploration on continuous occupancy maps [PDF]

open access: yes, 2015
© 2015 IEEE. The problem of active perception with an autonomous robot is studied in this paper. It is proposed that the exploratory behavior of the robot be controlled using mutual information (MI) surfaces between the current map and a one-step look ...
Dissanayake, G, Jadidi, MG, Miro, JV
core   +1 more source

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