The invention discloses a single planet row type hybrid electric vehicle dynamic coupling mechanism and a dynamic coordination control method thereof, and belongs to the field of hybrid electric vehicle structures and control. The mechanism comprises an engine, a planetary gear mechanism, a first motor, a second motor, a clutch A, a clutch B, a brake A, a brake B, a gear A, a gear B, a first transmission shaft and a second transmission shaft; the planetary gear mechanism is composed of a sun gear, a planet carrier, a gear ring and a planet gear. By controlling combination and release of the clutches and the brakes, various working modes of the mechanism meet the requirements of complex driving working conditions of an automobile, the working efficiency of the system is improved, and the fuel economy is improved; aiming at torque fluctuation of the mechanism in the mode switching process, the invention discloses the coordination control method for reducing the impact degree, so that the driving smoothness of the automobile is improved.
本发明公开了一种单行星排式混合动力汽车动力耦合机构及其动态协调控制方法,属于混合动力汽车结构及控制领域。该机构包括:发动机、行星齿轮机构、第一及第二电机、离合器A及B、制动器A及B、齿轮A及B、第一及第二传动轴;行星齿轮机构由太阳轮、行星架、齿圈和行星轮组成。本发明通过控制各离合器和制动器的结合与松开,使该机构的多种工作模式满足汽车复杂的行驶工况要求,提高了系统的工作效率,提高燃油经济性;并针对该机构在模式切换过程中的转矩波动,公开了一种减小冲击度的协调控制方法,提高汽车行驶平顺性。
Single planet row type hybrid electric vehicle dynamic coupling mechanism and dynamic coordination control method thereof
一种单行星排式混合动力汽车动力耦合机构及其动态协调控制方法
2021-06-25
Patent
Elektronische Ressource
Chinesisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 |
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