Zobrazeno 1 - 10
of 208
pro vyhledávání: '"Zhi-Hua Hu"'
Publikováno v:
Drones, Vol 8, Iss 6, p 247 (2024)
Drone-based transportation is emerging as a novel mode in city logistics, featuring first-mile pickup and last-mile instant delivery using drones and truck transshipment. A fundamental challenge involves coordinating merchants, drones, transshipment
Externí odkaz:
https://doaj.org/article/1ccf6009c7fc4f73b37867d6d8d4ef6b
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 6, p 891 (2024)
A fleet of drones is considered in the routing problems with an offshore drone base station, considering the simultaneous movements of drones and ships. A model, entitled meeting model, between a drone and a moving ship is devised, and an extended mo
Externí odkaz:
https://doaj.org/article/08e64dad6ae34d598454c39fc41bba28
Autor:
Yao-Zong Wang, Zhi-Hua Hu
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 5, p 892 (2023)
In yard-crane scheduling problems, as loading operations take priority over unloading, the delivery sequence of unloading from the quaysides to the yard is uncertain. The delivery sequence changes may make crane scheduling more difficult. As a result
Externí odkaz:
https://doaj.org/article/4bc5dc0804ba4614904ed65cef807a2a
Publikováno v:
Drones, Vol 7, Iss 3, p 218 (2023)
An island logistics system is vulnerable in emergency conditions and even isolated from land logistics. Drone-based distribution is an emerging solution investigated in this study to transport packages from a land base to the islands. Considering the
Externí odkaz:
https://doaj.org/article/52c5cf0fc3da4c79933e6f0522e2e8de
Autor:
Zhi-Hua Hu
Publikováno v:
Transport, Vol 35, Iss 5, Pp 486-499 (2020)
To investigate the relations among delay times (weighted by vessels’ handling times), the emissions during the vessels’ sailing and mooring in a Berth Allocation Problem (BAP) where the berth times and sailing speeds are formulated as decision va
Externí odkaz:
https://doaj.org/article/66b4fcb472a148b39063a4f167a3247f
Publikováno v:
Journal of Advanced Transportation, Vol 2022 (2022)
At automated container terminals (ACTs), twin automated stacking cranes (ASCs) can carry out the tasks—store and retrieve containers simultaneously in a yard block using a handshake bay, where a primary ASC stacks the container at the handshake bay
Externí odkaz:
https://doaj.org/article/5fc3a2e53c934f55b3db771cda3c8b77
Publikováno v:
Drones, Vol 7, Iss 3, p 158 (2023)
Various port cities and authorities have established emission control areas (ECAs) to constrain ships’ fuel usage in a specified offshore geographical range. However, these ECA policies involve high costs and have low monitoring and regulation enfo
Externí odkaz:
https://doaj.org/article/ba26fa3639634e1ab51a547bbe660c70
Publikováno v:
Atmosphere, Vol 14, Iss 2, p 373 (2023)
Offshore ships’ emission has a tremendous environmental and healthy impact on the port cities and citizens, even though the Emission Control Area (ECA) policy imposes legislative constraints on the ships. It is challenging to detect ships with ille
Externí odkaz:
https://doaj.org/article/8ef15893ea4d41af9b871edf4f2f6403
Publikováno v:
Drones, Vol 7, Iss 1, p 6 (2022)
The hub-and-spoke network (HSN) design generally assumes direct transportation between a spoke node and its assigned hub, while the spoke’s demand may be far less than a truckload. Therefore, the total number of trucks on the network increases unne
Externí odkaz:
https://doaj.org/article/9256acfb59fd4ad3993e64efb3ff6a7b
Autor:
Kai-lou LIU, Jing HUANG, Da-ming LI, Xi-chu YU, Hui-cai YE, Hui-wen HU, Zhi-hua HU, Qing-hai HUANG, Hui-min ZHANG
Publikováno v:
Journal of Integrative Agriculture, Vol 18, Iss 6, Pp 1348-1359 (2019)
There is limited information on carbon sequestration efficiency (CSE) of soil aggregates in upland and paddy soils under long-term fertilization regimes. In a red soil region of southern China, an upland soil experiment started in 1986 and a paddy so
Externí odkaz:
https://doaj.org/article/a903b39fad1247a7bafe577b550e6693