DESIGN AND CHARACTERISTICS OF a NOVEL COMPLIANT PLANAR SPRING CAPABLE OF a POSITIVE STIFFNESS FOR a COMPACT VIBRATION ISOLATOR THIẾT kế và đặc TÍNH của lò XO PHẲNG mềm mới CHO bộ TÁCH RUNG ĐỘNG

... nonlinear vibration isolator, as seen in Fig 1b The vertical spring is aimed to design and analyze in this paper This paper aims to propose a design of novel compliant planar spring capable of a positive ... proposed isolator and a linear CONCLUSION A compliant planar spring capable of a positive stiffness for a compact quasi-zero stiffness vibration isolator has been developed in this paper The ... that the compliant planar spring have linear characteristics similar to as a coil spring Therefore, the planar spring is adopted for the proposed vibration isolator They also have applications...

Báo cáo hóa học: " Design and Fabrication of Fiber-Optic Nanoprobes for Optical Sensing" pdf

... 19 Holland L: Vacuum Deposition of Thin Films Wiley, New York; 1956 doi:10.1007/s11671-010-9744-5 Cite this article as: Zhang et al.: Design and Fabrication of Fiber-Optic Nanoprobes for Optical ... nanoprobe fabrication A thin film of an optically opaque metal such as aluminum, silver, or gold is coated along the outside walls of the tapered optical fiber tip to form an optical light pipe free of ... gives reliable nanoprobes with well-defined nanoapertures of circular geometry, and the length of the optical fiber nanoprobes can be longer, which can make coupling of light into the optical fibers...

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...

Báo cáo y học: "Design and evaluation of genome-wide libraries for RNA interference screens" pps

... releases NEXT-RNAi enables the re-calculation of specificity, efficiency and other features of libraries of long dsRNAs and siRNAs As examples, we performed a re-annotation Page of 12 of eight large-scale ... analyses and straightforward reagent visualization in any genome browser Application of NEXT-RNAi for RNAi reagent design We next set out to apply the software to design novel genome-wide RNAi libraries ... existing genome-wide libraries For example, we have applied the algorithm to re-annotate RNAi libraries for Drosophila and human cells Our analysis of eight genome-wide RNAi libraries for Drosophila...

Design and Simulation of Adaptive Speed Control for SMO-Based Sensorless PMSM Drive

... SIMULINK/MODELSIM CO -SIMULATION OF SENSORLESS SPEED CONTROL FOR PMSM DRIVE In Fig.1, it shows the sensorless speed control block diagram for PMSM drive and its Simulink/ModelSim cosimulation architecture ... work-3 of ModelSim in Fig.4 respectively performs the function of speed estimation and speed loop adaptive PI controller, the function of current controller and coordinate transformation (CCCT) and ... link, the simulation architecture for the proposed sensorless PMSM adaptive speed control system is presented in Fig.4 The ModelSim performs the function of adaptive PI controller, SMO and current...

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 ...

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),...

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: " The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements" docx

... work was supported in part by an Ontario Graduate Scholarship, Natural Sciences and Engineering Research Council of Canada and the Canada Research Chairs program The authors acknowledge Mr Ka Lun ... the manuscript TC conceived the study, advised on the design and coordination of the experiments, and edited the manuscript All authors read and approved the final version of the manuscript Acknowledgements ... factor was selectable in the 1.2-2.5 range, and was adjusted for each participant such that false activations due to blinks and movement were avoided and participants were able to activate the switch...

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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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...

Design and Simulation of A CMOS-MEMS Accelerometer

... estimated value is calculated assuming a total sensing capacitance of 60fF Parasitic capacitance and mismatch of sensing capacitance is measured in a way as shown in Figure 5.4 The capacitance ratios ... ﬁrst-generation accelerometer were performed on a probe station Table lists major parameters of the device Only the ratio of parasitic capacitance and sensing capacitance can be measured, and the ... Integrate During the Sample phase, Vs+ and Verror are sampled to sampling capacitor Ci1, and Vs- is sampled to Ci2 At the same time, integration capacitors Cf1 and Cf2 are reset to zero charge, and...

Tài liệu Design And Simulation Of A Cmos-Mems Accelerometer doc

Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc

... Efficiency and Fairness Characteristics • Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP • Satisfies max-min fairness if all the flows have the same end-to-end link capacity ... (Additive Increase Multiplicative Decrease) • Fair: max-min fairness • Stable: globally asynchronously stable • But, inefficient and not scalable – In grid networks (with high bandwidth-delay product) ... shortcomings of TCP • We explained the design rationale and implementations details in this paper Future Work • Bandwidth Estimation • CPU utilization – Self-clocking – Code optimization • Theoretical...

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