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System and method for controlling engine revolutions for hybrid construction machine
A system and method for controlling engine revolutions for a hybrid construction machine, including an engine, a hydraulic pump which is driven by the engine to drive a hydraulic actuator with discharged hydraulic fluid, a motor-generator which is driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device which is charged with electric energy generated by the motor-generator and which supplies the electric energy for motor operation of the motor-generator, a torque detection unit for detecting an output torque of the hydraulic pump that is required to drive the hydraulic actuator, and a hybrid control unit for controlling the motor operation of the motor-generator to supplement the engine output if the change of the output torque of the hydraulic pump exceeds a predetermined level and it is determined that an engine revolution drop will occur.
System and method for controlling engine revolutions for hybrid construction machine
A system and method for controlling engine revolutions for a hybrid construction machine, including an engine, a hydraulic pump which is driven by the engine to drive a hydraulic actuator with discharged hydraulic fluid, a motor-generator which is driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device which is charged with electric energy generated by the motor-generator and which supplies the electric energy for motor operation of the motor-generator, a torque detection unit for detecting an output torque of the hydraulic pump that is required to drive the hydraulic actuator, and a hybrid control unit for controlling the motor operation of the motor-generator to supplement the engine output if the change of the output torque of the hydraulic pump exceeds a predetermined level and it is determined that an engine revolution drop will occur.
System and method for controlling engine revolutions for hybrid construction machine
KANG JONG MIN (author) / JUNG AHN KYUN (author) / KIM JAE HONG (author) / LEE CHUN HAN (author) / JO JUNG SUN (author)
2015-12-29
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
/
F15B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
,
Druckmittelbetriebene Systeme allgemein
/
F16H
Getriebe
,
GEARING
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