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. 2021 Apr 13;21(8):2738. doi: 10.3390/s21082738

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) Sketch of the absolute electromagnetic encoder system based on linear strips with motion direction detection capability; (b) Topology of the reader and encoder; (c) photograph of the Figure 1. 81, l₁ = 24.39, l₂ = 12.33, l₃ = 48.60, w₁ = 1.80, w₂ = 3.40, s₁ = 1.60, s₂ = 0.90, P = 1.20, w_s = 0.20 and l_s = 6.40. The considered substrate for the reader is the Rogers RO4003C with dielectric constant ε_r = 3.55, thickness h = 0.81 mm, and loss tangent tanδ = 0.0021. For the encoder, the only difference is the thickness, h = 0.204 mm. Reprinted with permission from [32]. Copyright 2021 IEEE.

(a) Sketch of the absolute electromagnetic encoder system based on linear strips with motion direction detection capability; (b) Topology of the reader and encoder; (c) photograph of the Figure 1. 81, l₁ = 24.39, l₂ = 12.33, l₃ = 48.60, w₁ = 1.80, w₂ = 3.40, s₁ = 1.60, s₂ = 0.90, P = 1.20, w_s = 0.20 and l_s = 6.40. The considered substrate for the reader is the Rogers RO4003C with dielectric constant ε_r = 3.55, thickness h = 0.81 mm, and loss tangent tanδ = 0.0021. For the encoder, the only difference is the thickness, h = 0.204 mm. Reprinted with permission from [32]. Copyright 2021 IEEE.