Optimizing Processes with RFID and Auto ID, 2009

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2.3 Classification of RFID systems Resonant Transmitter Antenna circuit Tag chip ~ Receiver Fig. 2.6 Inductive coupling Inductive coupling definitely creates a problem for some applications. It is necessary to resort to different technology such as UHF in this case. Their easily predictable field behavior is a frequently underestimated property of inductive systems. This is important if it comes down to reading transponders in a defined range. As the reader’s magnetic field drops very rapidly at increasing distances (with the third exponent), on the one hand there is a really small transitional range (where the transponder is still or no longer recorded), and above all not overshooting. This makes the technology very interesting for industrial applications if, for example, several readers are installed in assembly lines within a restricted space. Mutual disturbances and overshooting are virtually excluded, making the systems extremely reliable. Systems with electromagnetic coupling in the UHF range Whereas the UHF range (300-3,000 MHz) used to be more or less exclusively dominated by active or semi-active systems, passive RFID transponders have also been on the market since around 2003. Philips (now NXP Semiconductors) was one of the forerunners with the UCODE family, which was standardized in ISO 18000-6 at a later date. Further products from various manufacturers followed suit, enabling the passive UHF system technology to spread fast. The introduction of RFID in large business groups’ supply chains had a significant influence. Logic 31
2 RFID technology Fig. 2.7 Passive UHF RFID system As opposed to the inductive systems where the magnetic field component is primarily used, the passive UHF systems are characterized by genuine electromagnetic coupling: both electrical and magnetic components are emitted. In order to be able to achieve ranges of five meters and more, a transmission output of 2 watts or more is required (regionally restricted by legal regulations). Normally, a dipole antenna is used in the transponder that couples in the wave and feeds the signal to the chip where it is rectified and provides current (Fig. 2.7). The achievable energy is very low, making modern, low-power circuit designs necessary in order to be able to use the principle at all. The transponder’s response signal is transmitted to the reader via modulated backscatter. At the same time, the chip varies the antenna’s impedance in the modulation cycle and its reflection properties as a result. Therefore, effective data transfer takes place by reflecting the signal that is transmitted. The reader must transmit an unmodulated signal (CW, continuous wave), while the transponder responds. Systems with inductive coupling in the UHF range The magnetic field component is also used in the UHF range by a new technology. The term Near Field Communication (NFC) is often used, indicating the use of the near field, which is similar to the inductive systems in the LF range. Observe the danger of confusion with the data transmission standard NFC, which is based on an RFID air interface (ISO 14443) [1]. Several advantages are achieved by using inductive coupling, such as non-sensitivity to water and a clearly limited 32 DSP UHF reader device ~ Transmission signal Receive signal Antenna Transponder Antenna, e.g. dipole, length typ. λ/2 ~ 15 cm Chip
Page 2: Bartneck/Klaas/Schoenherr Optimizin
Page 5 and 6: Bibliographic information published
Page 7 and 8: Preface reducing costs, and increas
Page 9 and 10: Contents 8 3.5.4 Physical and techn
Page 11 and 12: Contents 10 Production logistics .
Page 13 and 14: Contents 17.3 The economical value
Page 15 and 16: 1 Introduction Holger Schoenherr Th
Page 17 and 18: 1 Introduction 1.1 Historical Devel
Page 19 and 20: 1 Introduction Fig. 1.4 Siemens has
Page 21 and 22: 1 Introduction Fig. 1.5 Where vehic
Page 23 and 24: 1 Introduction tecture in productio
Page 25 and 26: 2 RFID technology Dieter Horst The
Page 27 and 28: 2 RFID technology Interfaces Fig. 2
Page 29 and 30: 2 RFID technology 2.2.2 Antennas Al
Page 31: 2 RFID technology 2.3 Classificatio
Page 35 and 36: 2 RFID technology 2.3.2 Semi-active
Page 37 and 38: 2 RFID technology Low frequency: 9-
Page 39 and 40: 3 Optical codes Kirsten Drews For s
Page 41 and 42: 3 Optical codes Fig. 3.1 Examples o
Page 43 and 44: 3 Optical codes Finder border, soli
Page 45 and 46: 3 Optical codes that up to 28 % of
Page 47 and 48: 3 Optical codes good contrast betwe
Page 49 and 50: 3 Optical codes ing of certain para
Page 51 and 52: 3 Optical codes ever, the result is
Page 53 and 54: 3 Optical codes market which allow
Page 55 and 56: 3 Optical codes • Optimization of
Page 57 and 58: 3 Optical codes years by industry a
Page 59 and 60: 4 System architecture Fig. 4.1 Syst
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Page 63 and 64: 4 System architecture online applic
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Page 67 and 68: 4 System architecture Proprietary X
Page 69 and 70: 4 System architecture This principl
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Page 75 and 76: 5 System selection criteria Peter H
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Page 81 and 82: 5 System selection criteria proache
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6 Standardization Gerd Elbinger Sta
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6 Standardization zation is the exe
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6 Standardization reading ranges ar
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6 Standardization There are many mo
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6 Standardization whereby, not only
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Part 2 The Practical Application of
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7.2 It all starts with visions and
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Organi - zation Functions Input Out
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7.4.2 Procedure for RFID projects 7
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7.5 The RFID business case in pract
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in EUROS 150,000 100,000 50,000 0 -
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8.1 Feasibility test / Field test m
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8.1 Feasibility test / Field test
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• The technology must be robust a
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• System integration for the exis
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Part 3 Current Applications - from
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9.1 The dilemma of modern competiti
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9.2 The production of individualize
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9.3 Autonomous production systems w
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9.4 Decentralizing production data
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9.6 Is RFID worthwhile in Productio
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9.6 Is RFID worthwhile in Productio
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10.2 Processes in production logist
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10.3 RFID in production logistics s
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10.4 Application examples company Q
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10.5 Summary and forecast Fig. 10.4
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11 Container and Asset Management J
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11.1 Requirements for Container Man
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11.1.4 Technical Specifications 11.
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11.1.6 Additional peripheral proces
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11.3 Container and Asset Management
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11.4 Business models At Siemens Pow
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11.5 Perspective partial use of tra
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12.1 Application areas respondingly
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12.1 Application areas sembly proce
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12.2 Drivers for Tracking and Traci
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12.3.1 Reactive Quality management
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12.5 Perspective 12.5 Perspective F
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13.2 Change of the demands on busin
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13.3 New business processes require
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13.4 Advantages of RFID employment
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13.5 Further development options fe
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14 Vehicle logistics Marcus Bliesze
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14.3 Application scenarios access p
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14.3 Application scenarios the asse
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14.3 Application scenarios fill, an
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14.3 Application scenarios 1,800 ve
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15 RFID at the airport Regina Schna
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15.1 Processes in airport logistics
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15.2 Areas of use for RFID in airpo
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15.3 Perspectives business cases fo
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16.1 Auto ID in postal logistics 16
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16.2 RFID - the innovative Auto ID
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RFID localization 16.2 RFID - the i
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16.2 RFID - the innovative Auto ID
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16.3.4 RFID in future postal logist
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17.2 Reference projects thousand of
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17.2 Reference projects ner for the
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17.2 Reference projects The “Klin
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17.4 RFID in the future 13.6 MHz, a
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17.5 Conclusion 17.5 Conclusion In
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18 RFID - printed on a roll Wolfgan
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18 RFID - printed on a roll the pro
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18 RFID - printed on a roll Fig. 18
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18 RFID - printed on a roll • Neg
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19 RFID and sensors The implementat
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19 RFID and sensors Fig. 19.2 SEAGs
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19 RFID and sensors 19.2.4 Central
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19 RFID and sensors In order to fin
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19 RFID and sensors lation are not
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20 RFID security ders to prepare a
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20 RFID security 20.2 Information s
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20 RFID security Many products do,
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20 RFID security process) and espec
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20 RFID security elegant option of
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21 Epilogue: En route to the “int
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Bibliography Martin Strassner: RFID
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Editor and authors Marcus Bliesze M
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Editor and authors Dr. Stephan Lech
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Index 2D code 38, 119, 190 A Accele
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Index O Object description data 66
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