A road surface condition determining method according to the invention includes: detecting a suspension pressure of a dump truck during a travel of the dump truck; calculating a maximum amplitude and a frequency of a detection value of the suspension pressure in a predetermined period of time; and determining a road surface condition based on the maximum amplitude and the frequency.
Road Surface Condition Determining Method, Road Surface Condition Outputting Method, Road Surface Condition Determining Device and Road Surface Condition Output Equipment
2016-09-08
Patent
Elektronische Ressource
Englisch
IPC: | E01C Bau von Straßen, Sportplätzen oder dgl., Decken dafür , CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE / 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 / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS |
Europäisches Patentamt | 2017
|ROAD SURFACE CONDITION DETERMINING METHOD AND ROAD SURFACE CONDITION DETERMINING DEVICE
Europäisches Patentamt | 2021
|Europäisches Patentamt | 2015
|ROAD SURFACE CONDITION DETERMINING METHOD AND ROAD SURFACE CONDITION DETERMINING DEVICE
Europäisches Patentamt | 2018
|Europäisches Patentamt | 2016
|