To provide an acceleration calculation device capable of improving calculation accuracy of acceleration even when a vehicle is inclined to a road surface by baggage or the like, and an axis of an acceleration sensor is inclined to a road surface due to assembly error.SOLUTION: An acceleration calculation device 30 comprises: an output part 40 for outputting an acceleration sensor value according to acceleration of a vehicle in a cross direction detected by an acceleration sensor 24, and travel driving force based on drive force of a drive source of the vehicle and air resistance which acts to the vehicle; and a calculation part 42 for calculating a correction value for correcting the acceleration sensor value on the basis of the plurality of the acceleration sensor values and the plurality of travel drive forces, and on the basis of the correction value, correcting the acceleration sensor value and calculating acceleration.SELECTED DRAWING: Figure 3
【課題】荷物等によって車両が路面に対して傾斜した場合や、組み付け誤差等により加速度センサーの軸が路面に対して傾斜した場合でも加速度の算出精度を向上できる加速度算出装置を提供する。【解決手段】加速度算出装置30は、加速度センサー24が検出した車両の前後方向の加速度に応じた加速度センサー値と、前記車両の駆動源の駆動力と前記車両に作用する空気抵抗とに基づく走行駆動力とを出力する出力部40と、複数の前記加速度センサー値と複数の前記走行駆動力とに基づいて前記加速度センサー値を補正する補正値を算出し、前記補正値に基づいて前記加速度センサー値を補正して加速度を算出する算出部42と、を備える。【選択図】図3
ACCELERATION CALCULATION DEVICE
加速度算出装置
31.10.2019
Patent
Elektronische Ressource
Japanisch
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 / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes |
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