PROBLEM TO BE SOLVED: To provide a technique that is not affected by an inclination of a road the road surface even at low speed.SOLUTION: Upon applying driving torque, drive shaft (DS) twisting oscillation occurs in a state where a tire 16 is gripped, and in a state where the tire is skidded (road surface μstate), twisting of a DS spring is released by tire skidding, and the DS twisting oscillation disappears. When the DS twisting oscillation occurs, an oscillation mode made up of engine block (E/G) back-and-forth resonance) and DS twisting resonance appears on an E/G block 10 and the spring, and when the DS twisting oscillation disappears, single oscillation of the E/G back-and-forth resonance appears. By checking the oscillation mode of each portion, a determination of the road surface is made.SELECTED DRAWING: Figure 1

    【課題】路面傾斜の影響を受けず、かつ、速度の影響を受けず、たとえ低速であったとしても高精度に路面を判定し得る技術を提供する。【解決手段】駆動トルク印加時、タイヤ16がグリップした状態ではドライブシャフト(DS)捩れ振動が発生し、タイヤがスリップした状態(路面μmax状態)ではタイヤ滑りによりドライブシャフト(DS)ばねの捩れが開放されドライブシャフト(DS)捩れ振動が消滅する。ドライブシャフト(DS)捩れ振動発生時は、エンジン(E/G)ブロック10、ばね上にエンジン(E/G)ブロック前後共振(E/G前後共振)とドライブシャフト(DS)捩れ共振の複合した振動モードが現れ、ドライブシャフト(DS)捩れ振動消滅時はエンジン(E/G)前後共振の単振動が現れる。各部位の振動モードを確認することで路面判定する。【選択図】図1


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    Titel :

    ROAD SURFACE DETERMINATION DEVICE


    Weitere Titelangaben:

    路面判定装置


    Beteiligte:
    YAMAGUCHI HIROYUKI (Autor:in) / SUGIURA TOSHIKI (Autor:in) / HIBINO RYOICHI (Autor:in) / TAKEI KAZUTAKA (Autor:in)

    Erscheinungsdatum :

    04.10.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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 / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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