Processing to estimate a type of a road surface is executed repeatedly. In the m-th processing, a holding time of an estimation result obtained by the m-th processing is set based on gradient data just before the m-th processing. The holding time is set to a longer duration as an uplink gradient of the road surface indicated by the latest gradient data increases. In the (m+n)-th processing, it is determined whether or not a feature portion is recognized from an imaging data. If this determination result is negative, the holding time is compared with a UNDEF period during which it has been determined that no feature portion has been recognized backward from the (m+n)-th processing. If the holding time is longer than the UNDEF period, then the estimation result obtained in the (m+n)-th processing is assumed to be the same as that obtained in the m-th processing.
ROAD SURFACE TYPE ESTIMATION METHOD, ROAD SURFACE TYPE ESTIMATION DEVICE AND VEHICLE CONTROL SYSTEM
2022-05-05
Patent
Elektronische Ressource
Englisch
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 / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
Road surface type estimation method, road surface type estimation device, and vehicle control system
Europäisches Patentamt | 2022
|ROAD SURFACE ESTIMATION DEVICE, VEHICLE CONTROL DEVICE, AND ROAD SURFACE ESTIMATION METHOD
Europäisches Patentamt | 2019
|Europäisches Patentamt | 2023
|ROAD SURFACE ESTIMATION DEVICE, VEHICLE CONTROL DEVICE, ROAD SURFACE ESTIMATION METHOD, AND PROGRAM
Europäisches Patentamt | 2018
|Europäisches Patentamt | 2022
|