Evaluation of Circle Diameter by Distributed Tactile Information in Active Tracing

Table 2

Average of difference between neighborhood members of voltage distribution.

Number of measurement	𝜙10	𝜙15	𝜙20	𝜙25	𝜙30	𝜙35	𝜙40
𝑁=1	0.522	0.481	0.436	0.413	0.485	0.454	0.418
𝑁=2	0.321	0.320	0.299	0.309	0.293	0.289	0.275
𝑁=4	0.181	0.177	0.169	0.159	0.140	0.141	0.140
𝑁=8	0.103	0.097	0.095	0.089	0.089	0.083	0.079

(The unit is V.)