Table 1 Results of curvature amplitude \({\tilde{A}}\) and spatial period \({\tilde{T}}\) estimated by the haptic sensor when only the curvature amplitude is changed, and the respective error rates
\({\tilde{A}}\) (1/m) | \({\tilde{T}}\) (mm) | Conventional sensor | Proposed sensor | ||||||
|---|---|---|---|---|---|---|---|---|---|
Estimated \({\tilde{A}}\) | Error (%) | Estimated \({\tilde{T}}\) | Error (%) | Estimated \({\tilde{A}}\) | Error (%) | Estimated \({\tilde{T}}\) | Error (%) | ||
3.95 | 10 | 1.85 | 53.2 | 9.84 | 1.7 | 4.26 | 8.02 | 9.26 | 1.8 |
7.90 | 10 | 3.84 | 51.3 | 9.78 | 2.3 | 8.34 | 5.69 | 9.78 | 2.2 |
15.8 | 10 | 7.01 | 55.6 | 9.62 | 3.9 | 11.7 | 26.0 | 9.64 | 3.7 |