จำนวน Repository ( 2 )

เครื่องจำลองการชนคนเดินเท้า
เครื่องจำลองการชนคนเดินเท้า

Recently the consumption rate of vehicle is continuously an increase as an economic growth. This not only causes the massive traffic but also effects on the accidental capacity especially the road accident between car and pedestrian. The most of victims who dead are Vulnerable Road Users are crashed by the front-end structure. Regarding this problem; the possibility of the Pedestrian Crash Simulator has studied and established following the Euro New Car Assessment Programs in Pedestrian Protection. This simulator can be adjusted in 3 axles of tested position. Besides the body forms are used as impactors which are pushed the high speed drive unit via the iron less linear motor. In addition the simulator can be adjusted from 0 to 65 of degree comparing the horizontal line. As a result the limitation of the Pedestrian Crashed Simulator is linear speeds because of budget limitation. The highest of performance is not more than 3000 mm/s with 19.46 mm/s2 of speeds and acceleration respectively. However this simulator can be developed the ability by addition of the power unit and control equipment. The highest acceleration should be 35.06 m/s2 within 1.76 m. of magnetic track rail to equivalent the specified condition of the EURO NCAP (in Pedestrian protection). Pedestrian protection testing machine

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การศึกษาจุดศูนย์กลางมวลและสัดส่วนการเบรกที่ส่งผลกระทบต่อเสถียรภาพการบังคับยานยนต์ โครงการวิจัยย่อยที่ 1 เครื่องทดสอบจุดศูนย์กลางมวลสำหรับรถยนต์
การศึกษาจุดศูนย์กลางมวลและสัดส่วนการเบรกที่ส่งผลกระทบต่อเสถียรภาพการบังคับยานยนต์ โครงการวิจัยย่อยที่ 1 เครื่องทดสอบจุดศูนย์กลางมวลสำหรับรถยนต์

The aim of this research is to create the center of mass testing machine for vehicles with maximum mass 3000 kilograms. By the performance of this machine is able to determine the center of mass 3 axis by horizontal longitudinal and vertical. On the other hand the verities of mass from 50 to 100 kilograms and the several of weight distribution at horizontal and longitudinal are applied to the condition of testing for reasonable to the position of the center of mass. The result of research discovered to the performance of center of mass tester was activated following to test conditions. Furthermore the weight distribution at longitudinal was the highest effect to the horizontal center of mass. By the way the value of weight distribution at horizontal is more effects to the longitudinal center of mass. Moreover increasing of mass was impact to the vertical center of mass and it’s independent to the position of weight distribution.

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