To easily estimate a cruising distance of an electric vehicle with high accuracy.SOLUTION: A VCU 7 includes: a charge amount information acquisition unit 10 that acquires charge amount information of a battery 4; a motor information storage unit 11 that stores motor characteristic information of a motor 2; a load characteristic information storage unit 12 that stores load characteristic information of an electric vehicle 1; a route information acquisition unit 13 that acquires route information; a traffic information acquisition unit 14 that acquires traffic information; a travel pattern estimation unit 15 that estimates travel patterns; a standard deviation calculation unit 17 that calculates an added standard deviation σ; a weighted average calculation unit 18 that calculates a weighted average vehicle speed Vof the traveling pattern; a travel load estimation unit 19 that estimates a travel load L from the load characteristic information; a motor efficiency calculation unit 20 that calculates a motor use efficiency ηfrom the motor characteristic information; and a cruising distance estimation unit 21 that estimates a cruising distance on the basis of the traveling load L, the charge amount information, and the motor use efficiency η.SELECTED DRAWING: Figure 1
【課題】電動車両の航続距離を簡易的に高精度で推定すること。【解決手段】VCU7は、バッテリ4の充電量情報を取得する充電量情報取得部10と、モータ2のモータ特性情報を記憶するモータ情報記憶部11と、電動車両1の負荷特性情報を記憶する負荷特性情報記憶部12と、経路情報を取得する経路情報取得部13と、交通情報を取得する交通情報取得部14と、走行パターンを推定する走行パターン推定部15と、加算標準偏差σSUMを算出する標準偏差算出部17と、走行パターンの加重平均車速VWを算出する加重平均算出部18と、負荷特性情報から走行負荷Lを推定する走行負荷推定部19と、モータ特性情報からモータ使用効率ηEOUを算出するモータ効率算出部20と、走行負荷L、充電量情報、及びモータ使用効率ηEOUに基づいて航続距離を推定する航続距離推定部21と、を含む。【選択図】図1
CRUISING DISTANCE ESTIMATION DEVICE
航続距離推定装置
2019-07-04
Patent
Electronic Resource
Japanese
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS |
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