The Simulation of Plane Measurement Points
In assessing a flatness error evaluation algorithm, the measurement data is always actual measurement of which the true flatness value is unknown, so that it is hard to directly give the accuracy of the algorithm. In order to judge the quantitative assessment of algorithm performance, this paper presents a simulation method of plane measurement points. First, according to analyze flatness definition and determination methods, the necessary and sufficient conditions for extreme points were proposed. Then error composition for measurement points was analyzed and the mathematical simulation model for measurement points was established .Finally, two sets of simulation measurement points were cited to specify the simulation method for plane measurement points.
Keywordssimulation measurement points extreme points systematic error random error
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