Effectiveness of Vehicle Weight Estimation from Bridge Weigh-in-Motion

Table 2

Estimation errors of axle weights for different sampling rate and number of beam elements.

Sampling	Method  I								Method  II
Frequency				Number of beam elements
(Hz)					4			8			12			16
	front	rear	gross	front	rear	gross	front	rear	gross	front	rear	gross	front	rear	gross
20															11
30															6.8
40															7.7
50						.									7.3
100															7.4
200															7.4
300															7.3
400															7.2
500															7.2
1000															7.2