A shovel is provided that includes a lower running body, an upper turning body pivotally mounted on the lower running body, an engine mounted on the upper turning body, a motor generator driven by the engine, a power storage device for storing electric power generated by the motor generator, an electric motor for supplying regenerative electric power to the power storage device, a selective reduction catalyst system for purifying exhaust gas by injecting a reducing agent stored in a reducing agent storage tank into an exhaust pipe of the engine, an abnormality detection unit for detecting an abnormality of the selective reduction catalyst system, and a control device that performs abnormality determination on the selective reduction catalyst system based on a detection result of the abnormality detection unit. The control device continues to control the electric motor before and after the abnormality determination.
SHOVEL AND SHOVEL CONTROL METHOD
20.07.2017
Patent
Elektronische Ressource
Englisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / E02F Baggern , DREDGING / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein |
SHOVEL, SHOVEL CONTROL DEVICE, AND SHOVEL SUPPORT DEVICE
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