Measurement of collisional properties of spheres using high-speed video analysis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


Experimental evaluation of collision properties of spheres is carried out using high-speed video image analysis. Collision between two spheres is recorded using a high-speed Kodak EktaPro1000 video camera at 1000 frames/sec, and then the images are analyzed to compute three dimensional translation and rotation before and after the collision. These quantities are used to compute the coefficient of friction, and the coefficients of normal and tangential restitution for a pair of one inch nylon spheres. The focus of the paper is on image analysis techniques that provide high accuracy even when the image resolution is very low, i.e. 240X192. The procedure developed here can be extended to smaller size spheres and is applicable to other motion analysis experiments involving low resolution images.

Original languageEnglish (US)
Title of host publicationSymposium on Mechatronics
EditorsJeffery L. Stein
PublisherPubl by ASME
Number of pages6
ISBN (Print)0791810208
StatePublished - 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: Nov 28 1993Dec 3 1993

Publication series

NameAmerican Society of Mechanical Engineers, Dynamic Systems and Control Division (Publication) DSC


OtherProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA

All Science Journal Classification (ASJC) codes

  • Software
  • Mechanical Engineering


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