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Wyszukujesz frazę "capacity limitation" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
An algorithm for garbage truck routing in cities with a fixation on container filling level
Autorzy:
Oliskevych, Myroslav
Danchuk, Victor
Powiązania:
https://bibliotekanauki.pl/articles/27314061.pdf
Data publikacji:
2023
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
routing
lexical search
garbage collection
capacity limitation
trasowanie
wyszukiwanie leksykalne
zbieranie śmieci
ograniczenie pojemności
Opis:
An algorithm for optimizing the routes of a set of vehicles used for the collection and removal of municipal solid waste in a metropolis is proposed. The algorithm eliminates the problem of applying heuristic methods for multi-agent optimization, which is NP non-deterministic polynomial-time-hard. The application of the algorithm leads to a guaranteed exact solution. Through the application of restrictions on the carrying capacity of vehicles, the size of the input matrix representing the transport network can be reduced to an adequate size. This process uses statistical information about the filling levels of container waste bins. The algorithm is applied to an example of two megacities. The shortest routes are built for different numbers of points (from 12 to 72) on the route. The dependence of the total mileage on the number of involved vehicles is studied.
Źródło:
Transport Problems; 2023, 18, 1; 75--87
1896-0596
2300-861X
Pojawia się w:
Transport Problems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Correct concrete load-bearing capacity and time limitations for the automatic implementation of monolithic reinforced ceilings
Autorzy:
Więckowski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1852378.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
automatyzacja
budownictwo
Stroptronic
cement CSA
nośność
ograniczenie czasowe
wdrożenie
strop zbrojony monolityczny
automation
construction
CSA cement
correct load-bearing capacity
time limitation
implementation
monolithic reinforced ceiling
Opis:
Digital control, 3D technique and new materials show great potential in the automation of construction processes. Simultaneously releasing humans from hard physical labour come improvements of quality of workmanship and better resource and time management. In normal construction, vertical elements are erected robotically and horizontal (ceiling) elements are prefabricated. The “Stroptronic” technology presented here, tries to improve on that, introducing a “Just In Time” sequence of events on-site. The robot arranges all materials into a cycle and forms a monolithic, reinforced ceiling slab, sliding on a conveyor and rollers during the primary bonding of concrete. The concrete, based on a quick-setting cement composed with calcium sulfoaluminate (CSA); ensures the ceiling early self-bearing capacity thanks to its high early strength (over 20 MPa, 1.5 hours after mixing). The robot constantly introduces reinforcements, prepares and extrudes the concrete mix, moving in a direction perpendicular to the ceiling span. Along with the robot, the conveyor and the rollers move slowly under the ceiling, providing continuous support to the bonding concrete over a distance of about 1 m, i.e. until it reaches self-bearing capacity in the cross-section between the supports. Tests of the concrete with CSA are hereby produced, progress in bonding materials is analysed, along with results of testing load-bearing capacity of a section with composite inserts (main bars - steel, distribution bars - fibreglass. Results and conclusions follow.
Źródło:
Archives of Civil Engineering; 2021, 67, 3; 687-703
1230-2945
Pojawia się w:
Archives of Civil Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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