A system and a method for controlling at least two automated non-passing rail mounted gantry cranes (3a, 3b, 3c) are described. The system comprises for each of the cranes a crane control unit (2a, 2b, 2c) for ensuring execution of at least one work order (10a, 10b, 10c) received by the respective crane from an external scheduling system (9). In order to improve the crane efficiency, the system further comprises a rescheduling unit which performs a rescheduling of the at least one work order based on an expected trajectory along the rail (4a, 4b) determined for each work order. The rescheduling is achieved by splitting at least one of the work orders into at least two new work orders and by re-sequencing and reallocating the resulting work orders so as to reduce the number or duration of situations, where the expected trajectory of one crane blocks the expected trajectory of another crane and/or to reduce a workload imbalance between the cranes. The rescheduling unit operates in parallel with the crane control units (2a, 2b, 2c), i.e. during execution of the original work orders, and dynamically updates these original work orders.
System and method for controlling at least two automated non-passing rail mounted gantry cranes
2015-12-23
Patent
Elektronische Ressource
Englisch
IPC: | G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES / B66C Krane , CRANES |
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