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  • Summary & Details

Three-Dimensional Measurement and Positioning of Toe Board during Crash

衝突時のトーボード三次元計測

Detailed Information

Author(J)1) 中田 杏里, 2) 古川 知成, 3) 柴田 慎輔
Author(E)1) Azusa Nakata, 2) Tomonari Furukawa, 3) Shinsuke Shibata
Affiliation(J)1) 本田技研工業, 2) バージニア大学, 3) 本田技研工業
Affiliation(E)1) Honda Motor, 2) University of Virginia, 3) Honda Motor
Abstract(J)本研究では車両衝突試験中にトーボードの変形を計測する手法を提案する。本手法では
まず車両に固定されたステレオカメラでカメラ座標系における三次元のトーボード変形計測を行う。計測ではトーボードに描かれたドットをドット重心追跡法が追跡する。ステレオカメラは衝突の際に振動することから、ジャイロセンサと下向きに地面を撮影するカメラを有するセンサーモジュールに設置する。ジャイロとカメラはそれぞれグローバル座標系におけるステレオカメラの姿勢と位置を測定し、座標変換を行うことによりトーボードのグローバル座標系における変形の計測を行う。衝突試験に応用した結果、本手法の有効性が確認された。

Translation

Abstract(E)This paper presents a technique to measure and position a toe board during car crash tests. The three-dimensional deformation of the toe board is measured using stereovision where the toe board is marked with dots and Dot Centroid Tracking method is used for stereovision measurement. The stereovision fixed to the car vibrates as a result of crashing, and this exhibits deformation mixed with motion. The stereovision is mounted on a sensor suite that has gyros and a camera facing downward. The gyros and the camera measure the orientation and the position of the stereovision with respect to the global frame and allows the positioning of the toe board in the global frame. The effectiveness of the proposed technique was validated in the actual car crash test.

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