There are provided a work vehicle comprising a motor generator (6) driven by an engine, a hydraulic pump (4) driven by at least either of the motor generator and the engine, a work device (50) driven by hydraulic fluid from the hydraulic pump, a electric traction motor (9) driving wheels (61), an electrical storage device (11) connected to the motor generator and to the electric traction motor and charged electrically on the basis of a target SOC; and a control device (200) varying the target SOC for the electrical storage device (11) on the basis of total demanded power (Pf+Prun) of the hydraulic pump and the electric traction motor.
Hybrid work vehicle with load dependent target state of charge
2017-03-21
Patent
Electronic Resource
English
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / E02F Baggern , DREDGING |
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