ACCURATE WEIGHING SYSTEM USED UNDER THE VIBRATION-LIKE MOVING CONDITIONS
Yoshihiro Fujioka, Jianxin Sun, Toshiro Ono
Abstract:
This paper describes a weighing system used under the conditions in which various movements exist. These various movements are heaving motion, rolling motion, pitching motion, etc. In this paper, these various movements are collectively called as “vibration-like movement”. The term of “vibration-like moving conditions” means the conditions in which vibration-like movements exist. In the previous paper, the new weighing method was proposed. This method basically requires 4 loadcells which observe the vibration-like moving conditions. These loadcells are called as “dummy loadcell”. Installing 3 dummy loadcells properly and estimating two angular velocities, this weighing method is feasible to measure the mass value of a weighed object by means of 3 dummy loadcells. In this paper, the estimating method of these velocities is explained in detail. We manufactured the weighing system which consists of a weighing loadcell and 3 dummy loadcells on trial. Several numerical simulations and experiments by using this weighing system were conducted. It is confirmed that the estimation of the angular velocities is feasible and the accurate weighing under the vibration-like moving conditions is also feasible.
Keywords:
accurate mass measurement, system identification, vibration-like moving environment
Download:
PWC-2006-TC3-012u.pdf
DOI:
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Event details
Event name:
XVIII IMEKO World Congress
Title:

Metrology for a Sustainable Development

Place:
Rio de Janeiro, BRAZIL
Time:
17 September 2006 - 22 September 2006
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