Presented are flutter countermeasure devices and control logic for active aerodynamic systems, methods for making/using such active aero systems, and vehicles equipped with spoiler flutter countermeasure devices for increasing downforce and decreasing drag. A method of operating an active aerodynamic system of a motor vehicle includes detecting, via a system controller based on sensor data received from one or more sensing devices, a flutter excitation experienced by a spoiler of the active aero system during operation of the motor vehicle. The controller determines a harmonic oscillation amplitude of the flutter excitation experienced by the spoiler, and then determines if this harmonic oscillation amplitude exceeds a vehicle-calibrated threshold amplitude. If so, the system controller determines a damping force sufficient to mitigate or eliminate the harmonic oscillation amplitude. The controller then commands a flutter countermeasure device operatively attached to the spoiler to generate the damping force and thereby mitigate the flutter excitation.
Spoiler flutter countermeasure devices and control logic for active aerodynamic systems of motor vehicles
2022-07-26
Patent
Elektronische Ressource
Englisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge / E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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