design and fabrication of a line follower robot

Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx

Ngày tải lên : 22/03/2014, 11:20

... Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application In The National ... was studied because this frequency will application in our the next reseach for design and fabrication of a transmitter system for the phase identification code D.T Thuy et al / VNU Journal of ... have also investigated the S11 factor of the power divider Wilkinson on network analyzer, the result was relatively similar to that of the simulink model Afterthat we have measured the characteristics...

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Design and development of a medical parallel robotfor cardiopulmonary resuscitation

Ngày tải lên : 04/08/2014, 09:54

... represents an ∂R equation in a single variable R and allows the calculation of the values of R and H in sequence B Design Variables and Objective Function The architectural parameters of a 3-PUU ... medical aspects, a 3-PUU translational parallel manipulator was chosen and designed to satisfy the speciﬁc requirement The kinematic analysis was performed and the manipulatorreachable workspace ... whereas the rotational motions are almost useless Thus, parallel robots with a total of DOF are not necessarily required here In addition, a 6-DOF parallel robot usually possesses some disadvantages...

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Design and control of a small size humanoid robot

Ngày tải lên : 04/10/2015, 10:25

... the actuators require The advantage of planning in Cartesian space is that path planning is on parameters with resultant of motions of many actuators, instead of going down to plan the paths of ... hardware, (2) walking control and (3) artificial intelligence CHAPTER 2: LITERATURE REVIEW 2.1 Mechanical Design and Hardware In the area of mechanical design, one of the important areas is ... normal gearbox remains the common selection by small size humanoid robots as they are usually integrated with motors as a compact package by the manufacturer and are much cheaper However, backlash...

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Design and control of a soccer playing humanoid robot

Ngày tải lên : 04/10/2015, 10:25

... repetitive and hazardous tasks can be dated back to the era of ancient Greek and Egyptian with their automata More recently, Leonardo da Vinci, a talented and famous Italian artist and engineer ... creating a small-sized humanoid robot, which is capable of walking stably and performing some basic soccer playing skills such as approaching a ball and kicking it toward a goal, defending a goal, avoiding ... introduction of several impressive commercial robots such as ASIMO, Qrio, HOAP, HRP, and H7 However, it is still far away from the final goal that aims at making humanoid robot a companion of human in factory,...

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Design and development of a social robotic head dorothy

Ngày tải lên : 04/10/2015, 10:26

... eyebrows, arms, hands, legs Android exhibits appearance (and behavior) which is as close to a real human appearance as technically possible 15 Roomba AUR Mechanoid BotBrain Nexi Humanoid Saya Android ... 2.1 Appearance of Social Robots The appearance of robots has a substantial influence on the assumptions people have about specific applications and behaviors Therefore, the appearance of the robot ... and Mr Sakthiyavan S/O Kuppusamy (Mechatronics & Control Lab 1, Department of Mechanical Engineering, National University of Singapore) Thanks for their assistance in financial affairs and fabrication...

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The Design and Implementation of a Log-Structured File System

Ngày tải lên : 12/09/2012, 15:05

... have been primarily in the areas of cost and capacity rather than performance There are two components of disk performance: transfer bandwidth and access time Although both of these factors are ... simulates the actions of a cleaner until a threshold number of clean segments is available again In each run the simulator was allowed to run until the write cost stabilized and all coldstart variance ... 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 can...

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

Ngày tải lên : 27/10/2013, 23:15

... 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 ... 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 advantages and disadvantages ... 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, therefore, also referred...

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Design and Simulation of A CMOS-MEMS Accelerometer

Ngày tải lên : 27/10/2013, 23:15

... 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...

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

Ngày tải lên : 22/12/2013, 08:16

... 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...

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

Ngày tải lên : 15/01/2014, 15:59

... 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 ... Friendliness 50 TCP flows and UDT flows between SARA and StarLight Realtime snapshot of the throughput The UDT flows have similar performance and leave enough space for TCP flows TCP Friendliness ... (Additive Increase Multiplicative Decrease) • Fair: max-min fairness • Stable: globally asynchronously stable • But, inefficient and not scalable – In grid networks (with high bandwidth-delay...

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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc

Ngày tải lên : 19/02/2014, 18:20

... registration, location, and actiThe CORBA Event Service model simpliﬁes application vation; request demultiplexing; framing and error-handling; parameter marshalling and demarshalling; and operation ... Proxies If data was not availHigh Level able to be pulled, the calling I/O Facade would need to block I/O Facade I/O Facade I/O Facade Abstraction awaiting a result In order for the I/O Facade to ... have arrived from a particular set of suppliers, e.g., a correlation of events For instance, an I/O Facade may depend on data from a subset of all Sensor Proxies Furthermore, it may use data...

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Tài liệu Báo cáo khoa học: "DESIGN AND IMPLEMENTATION OF A LLXICAL DATA BASE " docx

Ngày tải lên : 22/02/2014, 09:20

... derivation can be found with inflection Halle gives examples of accidental gaps such as defective paradigms, phonological irregularity (accentuation of Russian nouns) and idiosyncratic meaning Also, ... evident as large natural language processing systems are being developed For instance, a translation system or any other type of natural language processing program that must be able to handle ... is what I would call "practical requirements" and has to with the complexity of the task of creating a lexical entry It can roughly be viewed as a measure of the time it takes to create a new...

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**The Design and Implementation of a Sequence Database System * docx**

Ngày tải lên : 16/03/2014, 16:20

... on Management of Data, May 1994 [CS92] RakeshChandmand Arie Segev.ManagingTemporalFinancial Data in anExtensible Database.In Proceedings of the International Conference on Very Large Databases(VWB), ... supports relational data as well as sequencedata, using a novel design paradigm of enhancedabstractdata types (BADTs ) The systemimplementation basedon this paradigmallows sequence relational queriesto ... valueis created,or determinedautomatically by the system Catalog Management: Each E-ADT can provide catalogs that maintain statisticsand storeschemainformation Further, certain valuesmay be named Query...

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The Design and Implementation of a Java Virtual Machine on a Cluster of Workstations pptx

Ngày tải lên : 23/03/2014, 22:21

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RESEARCH, DESIGN AND FABRICATION OF DIGITAL INFORMATION TRANSIMITER WORKING IN THE VHF BAND

Ngày tải lên : 27/05/2014, 20:57

... 1V” to guarantee that amplifier stage working.Secondly, we need to calculate the value of capacitors and coils to satisfy stability condition of phase and 33 magnitude and eliminate parasites in ... comparator at the specified data signaling rate and stores the current samples and two previous samples of the error signal The digital output signal is a binary signal having the same polarity as ... data communication up to several tens of kilometres with radio modems,amateur radio, and marine communications.Air traffic control communication and air navigation systems work at distances of...

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the symbian os architecture sourcebook design and evolution of a mobile phone os

Ngày tải lên : 01/06/2014, 11:21

... Australia and New Zealand By the mid-1990s, new GSM networks had sprung up globally from the Philippines and Thailand to Iran, Morocco, Latvia and Russia, as well as in the Americas and to a lesser ... Communicator was classiﬁed by market analysts as a PDA, partly because it had a keyboard, but also partly because Symbian phones really were a new category, and analysts didn’t quite know what to ... multiple software functions (computing, communications and multimedia), hardware technologies (battery and power, radio, displays, optics (lenses), and audio), and fabrication and manufacturing...

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

Ngày tải lên : 19/06/2014, 08:20

... 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 Tam for his ... 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 by raising their ... Acoustic and surface EMG diagnosis of pediatric muscle disease Muscle Nerve 1990, 13(4):286-290 23 Akataki K, Mita K, Watakabe M: Electromyographic and mechanomyographic estimation of motor unit activation...

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Báo cáo hóa học: " Advancing donor management research: design and implementation of a large, randomized, placebo-controlled trial" pot

Ngày tải lên : 21/06/2014, 03:20

... across a wide variety of critically ill patients with acute pulmonary edema Inhaled beta-2 agonists increase the rate of alveolar fluid clearance and reduce pulmonary edema in both animal and human ... 4California Transplant Donor Network, Oakland, CA, USA 5Department of Medicine, University of California, San Francisco, CA, USA 6Department of Anesthesia, University of California, San Francisco, CA, ... volume of at least 10 ml/kg of actual body weight and PEEP of at least mmHg with further increases up to a maximum of 15 ml/kg mandated if PaO on FiO of 1.0 was < 500 and/ or chest radiograph was...

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Báo cáo hóa học: " Research Article Design and Implementation of a Lightweight Security Model to Prevent IEEE 802.11 Wireless DoS Attacks" pdf

Ngày tải lên : 21/06/2014, 05:20

... consists of two areas as authorized and attacker The authorized area consists of two wireless stations associated to the access point which follow the IEEE 802.11 standard MAC layer The attacker area ... [2] investigated the control frames vulnerabilities and adopted enhanced hmac-md5 and hmacsha1 (EHMAC) algorithms The format of RTS, CTS, and ACK frames was modiﬁed by adding extra 80 to 160 ... identical to the standard model The summary of comparison between the accuracy rate of the ACFNC model and the standard model is provided in Table 6.4 Performance Evaluation of the STSF in the ACFNC...

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