HEV ENGINE START VIBRATION REDUCTION SYSTEM
HEV ENGINE START VIBRATION REDUCTION SYSTEM
- Neue Suche nach: LIU YU
- Neue Suche nach: CADWELL FLOYD
- Neue Suche nach: FREDERICK KENNETH
- Neue Suche nach: WANG XIAOYONG
- Neue Suche nach: LIU YU
- Neue Suche nach: CADWELL FLOYD
- Neue Suche nach: FREDERICK KENNETH
- Neue Suche nach: WANG XIAOYONG
A hybrid electric power-split vehicle, equipped with a continuously variable transmission coupling an electric motor/generator (EM) with a combustion engine (CE), includes systems and methods that reduce possible resonant noise and vibration during CE startup, by improved EM control, to generate compensating EM torque to counter act such possible resonant noise and vibration. The systems and methods include predetermined baseline CE operating condition (OC) cranking torque profiles stored as OC grids (SOCGs). A start profile is generated from selected cranking torque SOCGs, and also from selected historical start OCGs (HOCGs) of prior engine and/or CE starts, which include prior start noise and vibration metrics along with prior start OCs and related parameters. The start profile is calibrated using a blend factor that is generated from comparisons of SOCGs, and utilized to generate a feed-forward torque signal that adjusts EM torque to reduce the startup noise and vibration resonances.
Dokumentinformationen
HEV ENGINE START VIBRATION REDUCTION SYSTEM
2019-01-31
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen |
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