M' = 87.200A5w +33.156
where M —measurement torque, N;
AB
B.
—ariation of magnetic flux density, mTo
R —repeatability errors of torque measurement system, %;
&■ —confidence factor, &■ =2, confidence level is 95%
° —standard deviation;
n measurement frequency;
Y
F's —endscale value of torque measurement system,
N-m;
According to formula(3), calculated to repeatability errors
of torque measurement system, as shown in the 12th list of
Table 1.
(2)
Where L —errors of linearity of the torque measurement
system, %;
AZ„ 1 max fitting deviation of Static properties and