The present invention provides a vehicle state estimating device capable of enhancing the estimation accuracy in estimating the state amount of the vehicle from the wheel speed. The vehicle state estimating device includes a wheel speed detection unit; a brake operation amount detection unit; a drive operation amount detection unit; a steering operation amount detection unit; a first state amount estimating unit configured to estimate a sprung state amount caused by an operation input; a first fluctuation estimating unit configured to estimate a wheel speed fluctuation amount caused by an operation input; a second fluctuation estimating unit configured to estimate an actual wheel speed fluctuation amount from which a wheel speed fluctuation amount by a brake/drive force is excluded; a third fluctuation estimating unit configured to estimate a wheel speed fluctuation amount caused by a road surface input; and a second state amount estimating unit configured to estimate at least one of a sprung state amount and an unsprung state amount caused by a road surface input.
VEHICLE STATE ESTIMATING DEVICE, VEHICLE STATE ESTIMATING METHOD, AND VEHICLE CONTROL DEVICE
2015-07-01
Patent
Elektronische Ressource
Englisch
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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