installation of intrinsically safe apparatus associated apparatus and intrinsically safe systems i bs 5345 part 4 1977 bsen 60079 14 1997
mcmillan, a. (1998). electrical installations in hazardous areas
... 43 7 43 8 43 8 44 1 44 2 44 3 44 3 44 5 44 7 44 7 45 0 45 6 45 6 45 8 45 8 45 9 46 1 46 1 46 2 46 4 46 5 46 5 46 6 Contents xiii 15.5 Specific additional requirements for particular types of electrical apparatus and ... opened in normal service 15 .4. 3 Semi-permanent joints 15 .4. 4 Spindles and shafts 15 .4. 5 Light-transmitting parts 15 .4. 6 Fasteners 40 2 40 6 41 1 41 5 41 9 42 4 42 7 42 7 42 9 43 0 43 0 43 1 43 2 43 3 43 3 43 7 43 7 ... 133 1 34 135 140 143 144 145 146 146 146 149 150 151 1 54 1 54 155 155 155 156 158 viii Contents 6.3 Practical situations 6.3.1 Cyclones and bag filters 6.3.2 Loading hoppers within buildings 6.3.3...
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iec 60092-375 ship board telecommunication cables and radio-frequency cables - general instrumentation, control and communication cables
... f braid of plain or tinned copper wires The nominal diameter of the wires in the braid shall be in accordance with Tables II and III, pages 23 and 24 Wires of a larger diameter may be applied ... below the specified minimum average insulation thickness by more than 0.10 mm 10% of the specified thickness + 14 Identification of insulated conductors (cores) Identification of insulated conductors ... publications NORME INTERNATIONALE CE1 IEC 92-375 INTERNATIONAL STANDARD Premiốre ộdition First edition 1977- 01 Installations ộlectriques bord des navires Partie 375: Cõbles de tộlộcommunication...
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dye, n. (2000). radio frequency transistors - principles and practical applicat
... acquired during this time, and it is our intention in writing this book to make the bulk of that information available to users of RF transistors in a concise manner and from a single source This ... circuit designers In this chapter, a review is given of RF transistor and amplifier module parameters from maximum ratings to functional characteristics The section is divided into five basic parts: ... a gain associated with it that is dB less than the low power gain In other words, the device is beginning to go into “saturation,” which is a condition in which increases in input power fail to...
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Advanced Radio Frequency Identification Design and Applications Part 1 ppt
... Preface Radio Frequency Identification (RFID) is a modern wireless data transmission and reception technique for applications including automatic identification, asset tracking and security surveillance ... the Friis equation or totally experimental analysis in real RFID systems The experimental analysis is a direct solution but may be expensive in cost and time The limitations of using the Friis equation ... use of RFID for localisation and positioning applications Novel applications such as the use of RFID for mobile robot positioning and the detection of unexploded ordnance at military firing ranges...
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Advanced Radio Frequency Identification Design and Applications Part 2 potx
... expensive in cost or in time In addition, the limitation of using the Friis equation is also obvious in that it cannot deal with a complex environment More details of the Friis equation’s limitation ... transmission equation is given in Equation 25 In addition, Equation 25 is simplified to Equation 26 in an ideal condition In this section, the physical meaning of each factor in the Friss transmission ... operating range of an RFID system is introduced in Section Interpretation and limitations of the Friis transmission equation in an RFID perspective In Subsection 2.7, a common form of the Friis...
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Advanced Radio Frequency Identification Design and Applications Part 3 pptx
... the Sierpinski gasket, as shown in Fig 12 The geometric construction of the Sierpinski gasket is simple It starts with a triangle as an initiator The initiator is partitioned into three equal parts, ... is a triangle with half size of the original triangle This is done by removing a triangle from the middle of the original triangle which has vertices in the middle of the original triangle sides ... angle of 45 ° (S3 -45 °), as shown in Fig 14, while the other is the standard Sierpinski dipole of apex angle 60° (S3-60°) Fig 14 The modified Seirpinski dipole antenna (S3 -45 °) The effective parameters...
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Advanced Radio Frequency Identification Design and Applications Part 4 pot
... Radio Frequency Identification Design and Applications it operates in the ISM bands (Industrial Scientific and Medical), free bands Many others systems, operating in that band, can interfere with ... circular polarization analysis, the current distribution and electric field are exhibited The inductive and broadband characteristics of frequency responses and directivity feature of radiation ... and polarization are studied and presented 64 Advanced Radio Frequency Identification Design and Applications Antenna configuration and basis 2.1 UFH RFID meander-line antenna The typical dipole...
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Advanced Radio Frequency Identification Design and Applications Part 5 pptx
... τmin/max 0.71/0.96 0.68/0.99 0.78/0.98 0.76/0.93 0.73/0.87 Zchip (Ω) 15.6- j46 .4 14. 3- j45.5 15.7- j 44. 3 14. 2- j45.8 14. 7- j45.2 Table Variation results A microchip, RI-UHF-STRAP-08 of TI, is ... Identification Design and Applications the denominator in Eq (3.6) The change in XL with N is rather slow and is determined by the term ND2 in this equation D H ～ H IM Fig 3.5 Magnetic field distribution ... series Hilbert-curve The desired response and impedance are then tuned by Lt The final tuning is with g Using (1) and (2) with the specifications and boundary condition d1/2, the Zchip is obtained...
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Advanced Radio Frequency Identification Design and Applications Part 6 potx
... of 0. 04 , the input resistance is small The radiation characteristics are shown in Fig 5 .4 To simplify the estimation of the radiation level, the input impedance mismatch is ignored by assuming ... value in Eq (4. 17) The final step involves the use of the data provided in Fig 4. 9 The objective γ0 curve in Fig 4. 9 is identified Then, the relation between a/DA and b/DA is elucidated, and a suitable ... Advanced Radio Frequency Identification Design and Applications 3.2.5 Input resistances The simulated input resistances (Rin) of the self-resonant structures are shown in Fig 3. 14 Here, Rin is expressed...
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Advanced Radio Frequency Identification Design and Applications Part 7 pdf
... OCSRR particles shown in Fig in section 5 .4 This will result in the layout show in Fig Since the equivalent circuit of each MOCSRR particle has the same equivalent circuit of each meander-line ... relation of the OCSRR particle To illustrate the behaviour of the OCSRR particle in Fig 3, the equivalent circuit is extracted and discussed in this section for various values of rd (i. e., inner ... passive RFID tag Conclusion Initially in this work a RFID system has been introduced using the Friis transmission equation This introduction was then followed by recent applications of RFID systems...
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Advanced Radio Frequency Identification Design and Applications Part 9 pot
... protection circuitry similar to that shown in (Facen & Boni, 2006) 162 Advanced Radio Frequency Identification Design and Applications Susceptibility of RFID tags In theory, tag susceptibility ... normalized increase in minimum activation power was then calculated from the initial activation power Pinitial and the final activation power Pf inal using the following equation: Pnormalized = Pinitial ... RFID IC is exposed to the outside world and potential ESD damage 160 Advanced Radio Frequency Identification Design and Applications Explicit details on the inner workings of commercial RFID ICs...
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Advanced Radio Frequency Identification Design and Applications Part 10 pdf
... Advanced Radio Frequency Identification Design and Applications Fig 14 Communication ranges of a tag and a reader Requirements P1 1) Authentication 2) Confidentiality 3) Anti-tracking 4) Anti-cloning ... Radio Frequency Identification Design and Applications Nikitin, P V., Rao, K V S., Lam, S F., Pillai, V andMartinez, R & Heinrich, H (2005) Power reflection coefficient analysis for complex impedances ... j stores the information f (r j , ti ) idi of each tag Ti where r j and idi are IDs of a portable reader R j and a tag Ti , respectively, and ti is a secret key of a tag Ti Even if an adversary...
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Advanced Radio Frequency Identification Design and Applications Part 11 docx
... minimum error variance of multiple power case the position estimation error variance will be minimized and it is the motivation of minimum error variance of position estimation However, in general, ... RFID based Mobile Robot Localization Sungbok Kim and Hyunbin Kim Department of Digital Information Engineering Hankuk University of Foreign Studies Republic of Korea Introduction The localization ... minimum variance of position estimation as the bound of the position estimation error and extend it to the multiple recognition range case Figure 13 shows the motivation of introducing the minimum...
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Advanced Radio Frequency Identification Design and Applications Part 12 ppt
... the viability of using munition-mounted radio frequency identification (RFID) tags as buried ordnance detection and identification aids RFID tagging of ordnance can provide a high probability of ... shown in Fig Due to highly expected installation difficulty, however, it is hard to select the random tag arrangement in practice Taking into account both tag invisibility and installation difficulty, ... Mobile Robot Positioning, The University of Michigan 220 Advanced Radio Frequency Identification Design and Applications Finkenzeller, K (2000) RFID handbook: Fundamentals and Applications, Wiley...
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Advanced Radio Frequency Identification Design and Applications Part 13 docx
... historical information contained in tag events, an RFID application uses the location identifier (LID), the tag identifier (TID), and the identified time (TIME) as predicates for tracking and tracing ... Radio Frequency Identification Design and Applications Evaluation and testing Experimental efforts involved the design, fabrication, and tuning of the custom coil circuits The tuning circuits ... items in realtime by means of automatic and fast identification Besides the real-time identification, RF technologies give additional advantages for monitoring of field-based operation by tracking...
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Advanced Radio Frequency Identification Design and Applications Part 14 ppt
... Radio Frequency Identification Design and Applications This situation is illustrated in Fig Assume that a tag, TIDm, passes through business locations of Fig in BizLoc1, BizLoc4, BizLoc2, BizLoc5, ... LOP is to find out the optimal OLIDList which has the maximum linear proximity in the graph G according to the Definition In Fig 5-(a), the optimal OLIDListo is (LID5, LID1, LID2, LID4, LID3) ... retransmission and eventually increases communication overhead and time delay of tag identification Hence, an efficient tag collision arbitration mechanism is very important and critical for RFID systems...
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Advanced Radio Frequency Identification Design and Applications Part 15 pdf
... reading FIFO and record this value Signal synthesizer module gives the combined signal of multiple tags shown as in Fig 12 in SignalTap II, i. e two tags Fig 11 Tag simulator main circuit board Fig ... AD 943 3 is an Anolog to Digital converter chip produced by ADI company, it is a 12 bit sampling AD converter, and it also has the tracking/maintaining circuit on the chip The conversion speed is ... call interrupt void c_extint4() to response 280 Advanced Radio Frequency Identification Design and Applications All the command data in Type B are bit, and if-else sentence is used to inquiry...
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Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 1 potx
... AUTOMATIC IDENTIFICATION PROCESS RF identification ΩID ID EN TI FI CA TI O N RF identification Industrial application (pallet with products ) Anticollision RFID System LACK O F ID ENTI FICATIO N Simultaneous ... Compatibility (EMC) Field Conditions of Interrogation Zone in Anticollision Radio Frequency Identification Systems with Inductive Coupling Energy transfer in RFID system with inductive coupling 4. 1 ... Efficient Approach for Data Transmission in RFID Middleware Hongying LIU, Satoshi GOTO and Junhuai LI 267 Field Conditions of Interrogation Zone in Anticollision Radio Frequency Identification Systems...
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Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 2 potx
... simulation model is widely discussed in publications (Jankowski-M., 2007) It can provide a basis for synthesis of solutions in RFID identification systems modified in its construction In particular ... solutions (i. e the animals' Field Conditions of Interrogation Zone in Anticollision Radio Frequency Identification Systems with Inductive Coupling 25 identification, access control and objects identification ... to determine the interrogation zone of passive RFID systems Field Conditions of Interrogation Zone in Anticollision Radio Frequency Identification Systems with Inductive Coupling 15 4. 3 Structural...
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Radio Frequency Identification Fundamentals and Applications, Bringing Research to Practice Part 3 pdf
... the inverse of the mean identification time, i. e., the ratio of identified tags per time unit 4. 1 Markovian analysis The identification process in a static scenario is determined by the number of ... Solving Passive RFID Tag Collision Problems Hsin-Chin Liu National Taiwan University of Science and Technology Taiwan Introduction Radio Frequency Identification (RFID) systems are being intensively ... (2009), Optimum Frame-length configuration in passive RFID systems installations In Proc of Characterization of the Identification Process in RFID Systems 47 International Workshop on RFID Technology,...
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