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Design And Control Of An Inverter For Photovoltaic Applications Kjær, Søren Bækhøj

Báo cáo hóa học:

Báo cáo hóa học: " Research Article Design and Analysis of an Energy-Saving Distributed MAC Mechanism for Wireless Body Sensor Networks" doc

... can be completely avoided and the lifetime of the BSN can be prolonged Another energy-efficient TDMA-based MAC protocol for wireless BSNs is the BodyMAC [13], which uses flexible and efficient bandwidth ... conditions, an energy-efficiency comparison between DQMAC performance and that of the standard facto 802.15.4 MAC and the BSN -MAC is portrayed BSN -MAC has been selected as a reference benchmark for its ... sensing and backoff periods) Based on that, we propose here a novel DQ -MAC energy-efficiency theoretical analysis for nonsaturation conditions and evaluate its performance in front of 802.15.4 MAC and...
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Báo cáo hóa học: " Research Article Design and Implementation of an Enhanced 802.11 MAC Architecture for Single-Hop " ppt

... 802.11 standard and not to entirely redesign the standard channel access mechanisms, we tried to find a flexible development platform providing an implementation of the legacy 802.11 standard Unfortunately, ... IEEE 802.11 standard at Mbps and not the newer versions at higher speed (for instance 802.11b and 802.11g) due to hardware limitations, and in particular the unavailability of inexpensive and ... mechanism and the enhanced ones, that is, the AOB protocol and the AOB-CR protocol In all the experiments we use our NIC implementation both for the AOB-based solutions and for the standard 802.11...
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design and implementation of an inverse dynamics controller for uncertain nonholonomic robotic systems

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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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

... 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...
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Analysis, design and control of permanent magnet synchronous motors for wide speed operation

Analysis, design and control of permanent magnet synchronous motors for wide speed operation

... Torque performance of SVM based DTC and Current Control for a wide speed operation 169 6.26 Power performance of SVM based DTC and Current Control for a wide speed operation ... Control of IPMSM in Wide Speed Operation 24 Outline of the Thesis 25 Analysis of Interior Permanent Magnet Synchronous Motors for Wide- Speed Operation ... presents aspects of analysis, design and control of permanent magnet synchronous motors (PMSMs) for wide- speed operations An analytical method has been developed based on d- and q- axis equivalent...
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Design and control of a teleoperation system for humanoid walking

Design and control of a teleoperation system for humanoid walking

... user a full information for the hardware and software interface The humanoid robot weighs 6kg and stands 48cm tall It has a total of 20 Degree of Freedom (DOF) - DOF each leg and DOF each arm ... researchers adopt for bipedal walking Section 2.2 is an overview of teleoperation and classifications of the control methods of teleoperation system 2.1 Bipedal Walking Control Achieve stable walking ... fire disaster area, or radiation in the nuclear plant, etc Taking advantage of the advancement in bipedal walking control, several humanoid robots, namely the Honda Asimo (Hirai, 1998) and Sony...
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DESIGN AND DEVELOPMENT OF AN OMNIDIRECTIONAL MOBILE BASE FOR a SOCIAL ROBOT

DESIGN AND DEVELOPMENT OF AN OMNIDIRECTIONAL MOBILE BASE FOR a SOCIAL ROBOT

... Understand Behavioral layer target area speech Motion and Audio and Vision Speech Animation localization gestures task task task Mobile platform Speakers Camera/s Microphone/s Animated head and arms ... Example of social robot architecture for execution and robot behavioral layer 2.2 Review of mobile Robots The prevalence of automation and mobile robotic platform has seen a rise of demand for ... and we have to calculate the angle of each joint Robot kinematics can be divided in serial manipulator kinematics, parallel manipulator kinematics, mobile robot kinematics and humanoid kinematics...
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Design and development of an on machine profile measurement system for an ELID grinding machine

Design and development of an on machine profile measurement system for an ELID grinding machine

... picture of the turn table from (a) front and (b) rear side 3.4 DESIGN AND DEVELOPMENT OF AN ON- MACHINE PROFILE MEASUREMENT SYSTEM One of the most important targets of this study was to design and ... wheel and analyzed the tendency of grinding force and surface roughness from various working conditions such as spindle speed and depth of cut In order to verify the variation of grinding force and ... precision ELID grinding machine, a turn table, an on- machine surface profile and another on machine wheel wear measurement system The ultimate goal was to develop an ELID grinding machine which...
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Prevention and Control of poultry diseases For better farm profitability pptx

Prevention and Control of poultry diseases For better farm profitability pptx

... end of this session all participants will be able to:  Identify the threats to our poultry and how disease agents might enter a poultry farm h l f  Identify the costs of diseases and their prevention ... knowledge and access to information What is Biosecurity Plan Biosecurity plan is a set of practices designed to prevent the entry and spread of infectious diseases into and from a poultry farm y ... the good health and the i it t th d h lth d maintenance of poultry on farm? 2 What is segregation and traffic control and how to achieve it on a farm? What Wh t iis cleaning and how to achieve...
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MECHANICAL DESIGN AND CONTROL OF THE PENDUBOT potx

MECHANICAL DESIGN AND CONTROL OF THE PENDUBOT potx

... present the design and control of an underactuated two link robot called the Pendubot We first give details of the design of the Pendubot, discussing the components of the linkage and the interface ... Front and Side Perspective Drawings of the Pendubot direct drive control, we designed the Pendubot to hang off the side of a table coupling link one directly to the shaft of the motor The mount and ... approximation of the dynamic parameters of the system (See Chapter 4) Then the software package Simnon [4] was used to simulate the dynamic equations and controller of the Pendubot (See Chapter 8) The design...
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báo cáo hóa học:

báo cáo hóa học:" Research Article Design and Implementation of a Testbed for IEEE 802.15.4 (Zigbee) Performance Measurements" doc

... for that particular packet All of these packets are picked up by BaseStation.java listening on the USB port and it saves each consecutive packet in a file for future analysis A new file is created ... created for each trial A second Java program (Analyze.java) was developed to analyze the saved files containing the received packets Since the transmitted data is known, this program can easily calculate ... channel, the transmitter node always transmits the same data packet The first octets are AM BER = header information and the dummy data payload is decimal number 85 which was chosen simply because...
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Báo cáo hóa học:

Báo cáo hóa học: " Research Article Video Enhancement and Dynamic Range Control of HDR Sequences for Automotive Applications" doc

... are 125 × 86 for Sequence and 160 × 120 for Sequence 2, and the frame rate is 24 frame/s for both sequences The input dynamic range of the cameras is 10 bits/pixel The output dynamic range we want ... designed for the control of HDR video sequences Moreover, we discuss the tuning of its parameters We show that once the camera is chosen, the parameters can be set according to its characteristics and ... (t) and LG (t −1) are the global illuminations of the current and of the previous frames, respectively Although they are functions of (x, y) and not only of (t), we omit it in the notation of...
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Báo cáo y học:

Báo cáo y học: "Optimal design and validation of antiviral siRNA for targeting HIV-1" potx

... part by grants from the Ministry of Education, Culture, Sports, Science and Technology of Japan (to YN, KU-T, KS, and YT), the Ministry of Health, Labour and Welfare of Japan (to YT), and the ... Next, siRNAs were evaluated for their antiviral efficacy against three evolutionary-distant groups of HIV-1: subtypes B and B' (Thailand variant of subtype B [16]); subtype C; and CRF01_AE Each siRNA ... CRF01_AE 93JP-NH1 (AB052995) siRNA vs target sequence perfect matches imperfect matches Figure Validation of 41 siRNAs Validation of 41 siRNAs The antiviral efficacy of each siRNA was tested against...
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Design and implementation of a testbed for indoor mimo systems

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...
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Design and preparation of oxygen electrocatalysts for nonaqueous lithium oxygen batteries

Design and preparation of oxygen electrocatalysts for nonaqueous lithium oxygen batteries

... rate performance and cycle stability of the batteries The slow kinetics can only be avoided with the use of effective catalysts The design and preparation of oxygen electrocatalysts has therefore ... catalyst, and with LiI catalyst for a DOD of 1000 mAh/g and a current density of 2000 mA/g b) Electrochemical curves and c) cyclability and the end of charge and end -of- discharge voltages of CNT ... 1  The dawn of lithium oxygen batteries 9  2  The components of lithium oxygen batteries and their issues 11  2.2.1  Major cell configurations of LOBs 11  2.2.2  Lithium anode...
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