To provide an industrial vehicle capable of preventing a person from falling due to being surprised by notification sound.SOLUTION: An industrial vehicle includes: a speaker 12 that has directivity and outputs notification sound to a person; a learned model 20 including a direction estimation unit 25; and a direction change unit 26 that changes a notification sound output direction of the speaker 12. The direction estimation unit 25 performs machine learning in advance by using training data using a notification distance from the speaker 12 to the person and a notification sound output direction as input data and a degree of surprise of the notified person as output data. When the notification distance is input, the direction estimation unit estimates a notification sound output direction with which a degree of surprise of the notified person becomes equal to or less than a predetermined degree of surprise. The direction change unit 26 changes the notification sound output direction of the speaker 12 to the estimated notification sound output direction.SELECTED DRAWING: Figure 2
【課題】報知音に驚いて人が転倒することを防止することができる産業車両を提供する。【解決手段】産業車両は、指向性を有し、人に報知音を出力するスピーカ12と、方向推定部25を有する学習済みモデル20と、スピーカ12の報知音出力方向を変更させる方向変更部26と、を備えている。方向推定部25は、スピーカ12から人までの報知距離と報知音出力方向とを入力データとし報知された人の驚き度を出力データとする教師データによってあらかじめ機械学習しており、報知距離を入力されると、報知された人が所定の驚き度以下になる報知音出力方向を推定する。方向変更部26は、推定された報知音出力方向にスピーカ12の報知音出力方向を変更させる。【選択図】図2
INDUSTRIAL VEHICLE, NOTIFICATION SOUND OUTPUT DIRECTION ESTIMATION SYSTEM, AND NOTIFICATION SOUND OUTPUT DIRECTION ESTIMATION PROGRAM
産業車両、報知音出力方向推定システムおよび報知音出力方向推定プログラム
2025-03-13
Patent
Electronic Resource
Japanese
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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