| Budget Amount *help |
¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
Fiscal Year 2016: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2015: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2014: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
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| Outline of Final Research Achievements |
There are research attempts on road profile estimation based on vehicle responses in order to achieve efficient and effective road condition evaluation. However, most approaches use simple Quarter-Car models and employ only acceleration measurement. Half-Car model and angular velocity measurement are important to deal with real vehicle motion, which is often affected by the pitching motion. This research models vehicles by a Half-Car model and a parameter identification method is developed. The profile is estimated with the model in pseudo-real-time. In addition, the estimated profile is converted to IRI and the result can be synchronized with drive-recorder movie files for image-based road evaluation.
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