Analysis, design and implementation of energy harvesting systems for wireless sensor nodes

... consumption of Sensor Nodes 10 1.2.2 Limitation of Energy Sources for Sensor Nodes 13 Energy Harvesting Solution for Wireless Sensor Node 17 1.3.1 Overview of Energy Harvesting ... ANALYSIS, DESIGN AND IMPLEMENTATION OF ENERGY HARVESTING SYSTEMS FOR WIRELESS SENSOR NODES YEN KHENG TAN M.T.D.(Mechatronics) B.Eng(Hons.) NUS, Singapore A THESIS SUBMITTED FOR THE DEGREE OF ... truly self-autonomous and sustainable energy harvesting wireless sensor network (EH-WSN) Various types of energy harvesting (EH) systems and their respective main components viz energy harvester (source),...

Analysis, design and optimization of energy efficient protocols for wireless sensor networks

... ANALYSIS, DESIGN AND OPTIMIZATION OF ENERGY EFFICIENT PROTOCOLS FOR WIRELESS SENSOR NETWORKS HOANG DUC CHINH (B.Eng., Hanoi University of Technology, Vietnam) A THESIS SUBMITTED FOR THE ... 21 1.3.4 Energy Eﬃcient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Networks ... 3.2 43 Wireless Sensor Nodes’ Energy Model and Cluster Head Rotation for Balancing Energy 43 3.2.1 Energy Model of the Wireless Sensor Node ...

Báo cáo hóa học: " Design and Implementation of MC-CDMA Systems for Future Wireless Networks" doc

... eﬃciency of a fully SW implementation and the potential bottleneck represented by intercomponent communications Future Design and Implementation of MC-CDMA Systems 1613 Table 5: Implementation performances ... attributes such as time Future Design and Implementation of MC-CDMA Systems 1607 Complexity analysis, and implementation performances prediction Architectural attributes Feedback for distribution optimisation ... Future Design and Implementation of MC-CDMA Systems mobility Thus, MC-CDMA is nowadays considered as a very promising technique, speciﬁcally for the downlink of the future cellular...

Analysis, design and implementation of high performance control schemes in renewable energy source based DC AC inverter for micro grid application

... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES IN RENEWABLE ENERGY SOURCE BASED DC/ AC INVERTER FOR MICRO- GRID APPLICATION SOUVIK DASGUPTA (M.Engg., Bengal Engineering ... injected into the grid Pgrid Average power injected into the grid PL , QL Active and reactive power consumption of load Pinv , Qinv Active and reactive power ﬂow of inverter Pg , Qg Active and reactive ... (in DC coupling), DC link split capacitor voltage, vdcp , with grid power command, (b) zoomed DC link voltage, vdc (in DC coupling), DC link split capacitor voltage, vdcp , with grid power command,...

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Analysis, design and implementation of high performance control schemes for three phase PWM AC DC voltage source converter

... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES FOR THREE PHASE PWM AC- DC VOLTAGE SOURCE CONVERTER XINHUI WU (B.Eng(Hons.), SJTU, Shanghai, China) A THESIS SUBMITTED FOR ... advantage of providing high dynamic performance Hence, this thesis is aimed at developing active control solutions to achieve high performance for three phase PWM AC- DC voltage source converters ... the dc output voltage Hence, the performance of three phase PWM AC- DC voltage source converter under the generalized supply voltage conditions can be improved either by voltage harmonics control...

Investigations into design and control of power electronic systems for future microprocessor power supplies

... INVESTIGATIONS INTO DESIGN AND CONTROL OF POWER ELECTRONIC SYSTEMS FOR FUTURE MICROPROCESSOR POWER SUPPLIES Ravinder Pal Singh (B.Tech(Hons), IIT Kharagpur, India) A THESIS SUBMITTED FOR ... requirements, the design of next generation VRMs need a thorough understanding of the performance and design trade-os The supply voltage of the microprocessor will drop to below V and the supply ... (a) Analog PWM controller and (b) Digital PWM controller microprocessor and the other generic advantages of digital control, it is a challenge to deliver the performance required of the next generation...

Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf

... know that the capacitance (stated in terms of the amount of charge (Q) stored at a given voltage drop (across the capacitor)) of a capacitor is given by (1) (Note that: the SI unit of capacitance ... is the farad; farad = coulomb per volt; typical capacitances are measured in microfarads or picofarads) 5.2.1 The Virtual Capacitor To implement the law of Coulomb, a TinyOS application was developed ... Castalia [10] was created out of the need to have a simulator designed for WSN research It has advanced and accurate radio and wireless channel models Castalia is built on OMNeT++, a framework which...

design and implementation of an inverse dynamics controller for uncertain nonholonomic robotic systems

... Convergence and Robustness Prentice-Hall, Engle-wood Cliffs, NJ (1989) Campion, G., d’Andrea-Novel, B., Bastin, G.: Modeling and State Feedback Control of Nonholonomic Mechanical Systems In: ... Proceedings of the 30th Conference on Decision and Control, IEEE, pp 1184–1189 England (1991) Campion, G., d’Andrea-Novel, B., Bastin, G.: Controllability and state feedback stabilization of nonholo-nomic ... Sarkar, N.: Unified formulation of robotic systems with holonomic and nonholonomic constraints IEEE Trans Robot Autom.14(4), 640–650 (1998) 15 Kim, D.-H., Oh, J.-H.: Tracking Control of a twowheeled...

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Design and implementation of a testbed for indoor mimo systems

... channel In addition, w e only pay attention to uniform antenna arrays in this section, that is, all an tennas are aligned and equally separated in the tran sm it and receive antenna arrays 8 2.2.1 ... create b aseb and signal and m odulation type to be applied in the tran sm itter and to receive reco vered data signal for channel capacity co m p u tin g (figure 19) Both b aseb an d and IF parts ... creates a sine w ave o f 12.5M H z to shift base b a n d signal to IF band before passing through D ACs Figure 23: Baseband Transmitter Diagram a) Data G en erato r b) W alsh code G en erato...

Analysis, design and management of multimedia multi processor systems

... ANALYSIS, DESIGN AND MANAGEMENT OF MULTIMEDIA MULTI- PROCESSOR SYSTEMS AKASH KUMAR (Master of Technological Design (Embedded Systems) , National University of Singapore and Eindhoven ... (Analysis and Design) • Design and Program: Systematic way to design and program multi- processor platforms (Design) • Design space exploration: Fast design space exploration technique (Analysis and Design) ... thesis, we present analysis, design and management techniques for multimedia multi- processor platforms To cope with the complexity in designing such systems, a largely automated design- ﬂow is needed...

The Design and Implementation of a Log-Structured File System

... purpose The separate data area of these database systems means that they not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space The space occupied by the log in a database system ... log as the most up to date ‘‘truth’’ about the state of the data on disk The main difference is that database systems not use the log as the ﬁnal repository for data: a separate data area is reserved ... has the disadvantage of increasing the amount of data lost during a crash For this paper we will assume that crashes are infrequent and that it is acceptable to lose a few seconds or minutes of...

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Real-Time Digital Signal Processing - Chapter 5: Design and Implementation of FIR Filters

... conceptualizing the impact of filters on signals As discussed in Chapter 3, there are two basic types of digital filters: FIR filters and IIR filters An FIR filter of length L can be represented ... p 5:1 :10a !m !a !b , H(w) 1 w wa Figure 5.3 wm wb Magnitude response of bandpass filter with narrow bandwidth 188 DESIGN AND IMPLEMENTATION OF FIR FILTERS where !a and !b are the lower and ... x(n−L+2) b0 b1 bL/2−1 y(n) Figure 5.8 Signal flow diagram of symmetric FIR filter, L is even 198 DESIGN AND IMPLEMENTATION OF FIR FILTERS The trade-off is that instead of accessing data linearly through...

Design and Implementation of a Three-Phase Induction Motor Control Scheme

... processes and variables are modelled mathematically Furthermore, the MATLAB program can convert a MATLAB design into a C-code design in a relatively straightforward manner Hence, this stage of the ... two-phase currents to generate a means of instantaneously controlling the torque and flux Field-orientated controllers require control of both magnitude and phase of the AC quantities and are, ... the induction motor s many advantages are clearly explained Wildi also presents the two types of induction motors: “the squirrel cage induction motor and the “wound motor An explanation of the...

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