A Kalman filter in a roll angle estimation device estimates a roll angle of a vehicle body, a vehicle speed, a roll angular velocity sensor offset, a yaw angular velocity sensor offset, and a vertical acceleration sensor offset on the basis of detected values of a roll angular velocity sensor, a yaw angular velocity sensor, a vertical acceleration sensor, a longitudinal acceleration sensor, a lateral acceleration sensor, and a rear-wheel speed sensor, and also on the basis of estimated values of the roll angle, the vehicle speed, the roll angular velocity sensor offset, the yaw angular velocity sensor offset, and the vertical acceleration sensor offset obtained in a previous estimation operation.
Roll angle estimation device and transport equipment
2017-04-25
Patent
Elektronische Ressource
Englisch
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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 / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS |