4ca7635b4080edf7b885ce7304342dca electronics_a2021v10n10p1154.pdf f7bea8b211e3b90cc3adaac77da14b1c26e4bdff electronics_a2021v10n10p1154.pdf e83afd76945453ca36e391202df84b8c02044ddcb046c3b76b2d537959572461 electronics_a2021v10n10p1154.pdf Title: 3D-Printed Quasi-Absolute Electromagnetic Encoders for Chipless-RFID and Motion Control Applications Subject: This paper presents electromagnetic encoders useful for chipless-RFID and motion control applications. The encoders consist in a pair of linear chains of rectangular apertures implemented by means of 3D printing. One of these chains is periodic and acts as a clock, whereas the other chain contains an identification (ID) code. With these two aperture chains, the ID code can be synchronously read, so that the relative velocity between the tag and the reader is irrelevant. Additionally, it is shown in the paper that by properly designing the reader, it is possible to determine the motion direction. The sensitive part of the reader is a microstrip line loaded with three complementary split ring resonators (CSRRs) etched in the ground plane and fed by three harmonic signals. By encoder motion, the characteristics of the local medium surrounding the CSRRs are modified, and the harmonic signals are amplitude modulated (AM) at the output port of the line, thereby providing the clock signal (which gives the encoder velocity), the ID code (providing also the quasi-absolute position) and the direction of motion. A fabricated prototype encoder is characterized by reading it with a dedicated reader. Keywords: chipless-RFID; motion control; electromagnetic encoders; 3D-printing; dielectric permittivity; microstrip technology Author: Ferran Paredes, Cristian Herrojo and Ferran Martín Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Thu May 13 08:48:32 2021 CEST ModDate: Thu May 13 08:48:32 2021 CEST Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 11 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 1782259 bytes Optimized: no PDF version: 1.5 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- EPYLHV+URWPalladioL-Ital Type 1 Custom yes yes no 98 0 STQFZH+URWPalladioL-Bold Type 1 Custom yes yes no 99 0 WLENKM+VnURWPalladioL-Bold Type 1 Custom yes yes no 100 0 TNSSND+URWPalladioL-Roma Type 1 Custom yes yes no 101 0 DRZUJM+VnURWPalladioL Type 1 Custom yes yes no 104 0 GKSXYT+TimesNewRomanPS-BoldItalicMT Type 1C WinAnsi yes yes no 109 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WinAnsi yes yes no 237 0 PMDKKF+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 284 0 PMDKKH+PalatinoLinotype TrueType WinAnsi yes yes no 285 0 PMDKKJ+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 286 0 PMDKKF+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 303 0 PMDKKH+PalatinoLinotype TrueType WinAnsi yes yes no 304 0 PMDKKJ+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 305 0 SPXLNH+PazoMath Type 1 Builtin yes yes no 323 0 PMDKKF+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 329 0 PMDKKG+PalatinoLinotype CID TrueType Identity-H yes yes yes 330 0 PMDKKH+PalatinoLinotype TrueType WinAnsi yes yes no 331 0 PMDKKJ+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 332 0 PMEANF+TimesNewRoman CID TrueType Identity-H yes yes yes 333 0 PMDKKF+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 364 0 PMDKKH+PalatinoLinotype TrueType WinAnsi yes yes no 365 0 PMDKKJ+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 366 0 Jhove (Rel. 1.22.1, 2019-04-17) Date: 2022-03-10 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