Mechanical design of a small all terrain robot

Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... of a passive planar air breathing fuel cell cathode J Power Sources 2007, 167(1), 118–129 [3] Rajani B.P.M and Kolar A. K A model for a vertical planar air breathing PEM fuel cell J Power Sources ... great role in the performance of air-breathing fuel cells However, these fuel cell designs have generally relied on traditional planar MEA architecture Because the majority of PEM fuel cell designs...

Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell

... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... Mechanical behaviour of PEM fuel cell catalyst layers during regular cell operation International Journal of Energy and Environment, 2010; 1(6), 927-936 [16] Maher A. R Sadiq Al-Baghdadi A CFD analysis ... performance Such fuel cells have the potential to be significantly cheaper, smaller, and lighter than tubular and planar plate and frame fuel cells; they could also broaden the range of fuel cell applications...

Tài liệu Design of a USB Device Driver ppt

... Zero Data Per Endpoint USB Bus Interface SIE No USB Format a collection of endpoints USB Framed Data USB Bus Interface SIE USB Framed Data Transactions Device USB Device USB System manages devices ... Idle Handshake ACK ACK DATA0/ DATA0/ DATA1 DATA1 NAK DATA0 T/O STALL T/O ACK Idle Host Function There are Four Types of USB Transactions ? Isochronous (Audio, telephony …) –Periodic, Bounded latencies, ... –First packet in any transaction –Specifies function address, endpoint –Specifies data direction ? Data - DATA0, DATA1 –0 - 1023 bytes ? Handshake - ACK, NAK, STALL –Report status of data transaction...

Tài liệu Design of a Powerline Home Automation System pdf

... complete home alarm system, but merely illustrates that the home automation system can interface with a larger existing alarm system The alarm interface unit provides the home alarm system with an arm/disarm ... very important, as it means that on a noisy powerline circuit, home automation signals can be sent reliably, as long as the rate of transmission is low enough Since a home automation system does ... to ground, neutral to live and neutral to ground Neutral to ground has the advantage of safety, but also the disadvantage of the fact that neutral is usually grounded at the transformer, so no...

Tài liệu SCRIBE: The design of a large-scale event notiﬁcation infrastructure? doc

... disseminate the events published in the topic Pastry and Scribe are fully decentralized, all decisions are based on local information, and each node has identical capabilities Each node can act as a ... publisher, a root of a multicast tree, a subscriber to a topic, a node within a multicast tree, and any sensible combination of the above Much of the scalability and reliability of Scribe and Pastry ... select alternative paths Both these schemes have some disadvantages The mechanisms that perform packet duplication consume additional bandwidth, and the mechanisms that select alternative paths...

Tài liệu Báo cáo khoa học: "DESIGN OF A KNOWLEDGE-BASED REPORT GENERATOR" doc

... coordinate-sentence, subordinate-sentence, subordinate-participial-clause, prepositional-phrase, and others Semantic analysis of a sample of natural text stock reports discloses that a hierarchy of ... requirements of the report generator Research in machine translations and text understanding9 has demonstrated that not only does naturally generated text disclose the lexicon and grammar of a sublanguage, ... but it also reveals the essential semantic classes and attributes of a domain of discourse, as well as the relations between those classes and attributes Thus, samples of actual text may be used...

Tài liệu Báo cáo Y học: Functional analysis of a small heat shock/a-crystallin protein from Artemia franciscana docx

... GCGCGGATCCACCATGGCACTTAACCCATG CGCGCCTCGAGTTAAGCTGCACCTCCTGATCT GCGCGGATCCACCATGCCCTTCCGGAGAAGA CGCGCCTCGAGTTAAGCTGCACCTCCTGATCT GCGCGGATCCACCATGTCCTTGAGGGACACA CGCGCCTCGAGTTAAGCTGCACCTCCTGATCT GCGCGGATCCACCATGGCACTTAACCCATG ... GCGCGGATCCACCATGGCACTTAACCCATG CGCGCCTCGAGTTAACGTTCTGTTGGTGAGCT GCGCGGATCCACCATGGCACTTAACCCATG CGCGCCTCGAGTTATGGAGTTGAACTAGCTGT GCGCGGATCCACCATGTCCTTGAGGGACACA CGCGCCTCGAGTTAACGTTCTGTTGGTGAGCT Length (bp/amino acids) ... of a small heat shock /a- crystallin protein (p26) in encysted embryos of the brine shrimp, Artemia franciscana Am Zool 39, 836–847 Liang, P & MacRae, T.H (1999) The synthesis of a small heat shock /a- crystallin...

Báo cáo khoa học: Molecular design of a nylon-6 byproduct-degrading enzyme from a carboxylesterase with a b-lactamase fold ppt

... 203–206 Kato K, Fujiyama K, Hatanaka HS, Prijambada ID, Negoro S, Urabe I & Okada H (1991) Amino acid alterations essential for increasing the catalytic activity of the nylon-oligomer degradation enzyme ... Journal compilation ª 2009 FEBS Y Kawashima et al of a tetrahedral intermediate; (c) formation of an acyl enzyme and transition to an open form; and (d) deacylation [12] We have concluded that Asp181-COO) ... Shibata N, Takeo M, Negoro S & Higuchi Y (2005) Crystallization and x-ray diffraction analysis of 6-aminohexanoate-dimer hydrolase from Arthrobacter sp KI72 Acta Crystallogr F61, 928–930 Hatanaka...

Báo cáo khoa học: "DESIGN OF A MACHINE TRANSLATION SYSTEM " pptx

... accordance with these considerations Ccmputational considerations In a transfer-based MT system, actual translation takes place in transfer and can be described as the ocr~putaticnal manipulation ... influenced by target language considerations: the interface structure between analysis and transfer was defined to take advantage of the similarities between the three languages and to accommodate the ... serving as the head of a ccmplex D~minal structure with several ccsplements, the translation of the noun into an infini- 4.4 CONSIDERATIONS FOR TRANSLATION The goal of the system, and perhaps of MT...

Retrieval of the source location and mechanical descriptors of a hysteretically-damped solid occupying a half space by full wave inversion of the the response signal on its boundary doc

... that the retrieval errors of the mechanical descriptors are largest for discordance of the source position x1 and that it is nearly-impossible to obtain a reliable retrieval of the imaginary part ... is the space- frequency solution to the forward problem of the prediction of the vertical component of displacement response to a uniform vertical strip load on the boundary of the half space ... We shall determine, in the context of the simplest canonical problem, to what extent a time domain FWI method enables the retrieval of either the source location or of one of the mechanical descriptors: ...

Báo cáo khoa học: Functional dissection of a small anaerobically induced bZIP transcription factor from tomato pdf

... TACTCGAGATGTCACCTTTAAGGCAGAG-3¢ and 5¢-ATATCCATGGAAAATTTAAACAATCCTGATG-3¢ Abz1(1–44): 5¢-TATACTCGAGATGTCACCTTTAAG GCAGAG-3¢ and 5¢-ATATCCATGGGCTTCTTCATC CTCGATCGC-3¢ Abz1(1–24): 5¢-TATACTCGAGAT ... 5¢-TATACTCGAGAT GTCACCTTTAAGGCAGAG-3¢ and 5¢-ATATCCATG GTCTCATCCATTCCTGCATAC-3¢ Abz1(45–138): 5¢TATACTCGAGATGCAGAAGCTTCTGCAAGATTT GAC-3¢ and 5¢-ATATCCATGGAAAATTTAAACAA TCCTGATG-3¢ The XhoI and NcoI sites ... N-terminal deletion, ABZ1(47–138): 5¢-TATGGATCCATGC TTCTGCAAGATTTGACAGG-3¢ and 5¢-ATATCCC GGGTTAAAATTTAAACAATCCTG-3¢ C-terminal deletion, ABZ1(1–100): 5¢-TATAGGATCCATGTCACC TTTAAGGCAGAG-3¢ and 5¢-ATACCCGGGTTATAA...

Source investigation of a small event using empirical Green’s functions and simulated annealing ppt

... active area on the fault This gives us values of the average total slip of between 0.1 and cm and a stress drop of between I and 10 bar for a rise time equal to At, and a stress drop that can reach ... earthquake as empirical Green’s functions eliminates the effects of propagation through complex media, and makes it possible to separate propagation and source factors o n seismograms The simulated annealing ... Source investigation of a small event We propose a new time-analysis tool based on a simulated annealing inversion to solve this problem and to recover a positive and stable STF The...

Design and control of a small size humanoid robot

... 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 ... 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...

Design and control of a soccer playing humanoid robot

... 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 ... 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 ... 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,...

Mechanical design of a small all terrain robot

... MCC A7 A7 A7 A9 A1 8 A1 8 A1 9 A1 9 A2 1 A2 1 A2 2 A2 2 A2 3 Master of Engineering Thesis Mechanical Design of a Small All- Terrain Robot E MODULAR PAYLOADS E.1 PAN-TILT MECHANISM E.2 VIEWING CAMERA E.3 ... drive motor and the ratio of its planetary gearhead is translation up a slope of at a speed of V m/s Master of Engineering Thesis Mechanical Design of a Small All- Terrain Robot Page 19 Figure ... Illustration of Articulated Tracked Robot Master of Engineering Thesis Mechanical Design of a Small All- Terrain Robot Page 10 OBSTACLE NEGOTIATING STRATEGIES As mobility is one of the key features of...

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