On-Board Weigh-in-Motion of Class 8 Trucks Using Newton's Second Law

Paper #:
  • 973170

Published:
  • 1997-11-17
Citation:
Phillips, D., "On-Board Weigh-in-Motion of Class 8 Trucks Using Newton's Second Law," SAE Technical Paper 973170, 1997, https://doi.org/10.4271/973170.
Author(s):
Pages:
6
Abstract:
A technique to compute vehicle weight (GVW or GCW) solely from measurements of force and acceleration taken onboard the tractor is described. A means to measure both variables by a single inexpensive sensor is disclosed, and algorithms are presented. Methods to compensate for real-world variables such as wind and grade are discussed, as are results obtained during 20,000 Km of testing. A potential means to determine GCW onboard the tractor without any additional hardware is presented. Applications, including ITS, are discussed, as are methods for instantaneous calibration.
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