To improve a calculation accuracy of a travel speed when an automatic driving vehicle is decelerated at a curve.SOLUTION: A travel speed calculation device 100 comprises: a curvature radius acquisition part 21 for acquiring information representing a curvature radius R of a curve C calculated by using a high accuracy three dimensional map data before a vehicle 1 enters the curve C; a bank angle acquisition part 22 for acquiring information representing a bank angle θ of a curve C calculated by using the high accuracy three dimensional map data before the vehicle 1 enters the curve C; and a travel speed calculation part 25 for calculating a travel speed Vc of the vehicle 1 when it travels along the curve C by automatic driving by using information acquired by the curvature radius acquisition part 21 and the bank angle acquisition part 22.SELECTED DRAWING: Figure 1
【課題】自動運転車両をカーブにて減速させる場合における走行速度の算出精度を向上する。【解決手段】走行速度算出装置100は、車両1がカーブCに進入するよりも先に、高精度3次元地図データを用いて算出されたカーブCの曲率半径Rを示す情報を取得する曲率半径取得部21と、車両1がカーブCに進入するよりも先に、高精度3次元地図データを用いて算出されたカーブCのバンク角θを示す情報を取得するバンク角取得部22と、曲率半径取得部21及びバンク角取得部22により取得された情報を用いて、車両1が自動運転によりカーブCを走行するときの走行速度Vcを算出する走行速度算出部25と、を備える。【選択図】図1
TRAVEL SPEED CALCULATION DEVICE
走行速度算出装置
2019-07-11
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 / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
Travel speed calculation device and travel speed calculation method
European Patent Office | 2018
|TRAVEL SPEED CALCULATION DEVICE AND TRAVEL SPEED CALCULATION METHOD
European Patent Office | 2018
|TRAVEL SPEED CALCULATION DEVICE AND TRAVEL SPEED CALCULATION METHOD
European Patent Office | 2018
|TRAVEL SPEED CALCULATION APPARATUS AND TRAVEL SPEED CALCULATION METHOD
European Patent Office | 2018
|Travel speed calculation device and travel speed calculation method
European Patent Office | 2021
|