wound rotor induction generators wrigs design and testing

... Cite this article as: Alves and Chau, The design and testing of a novel mechanomyogram-driven switch controlled by small eyebrow movements Journal of NeuroEngineering and Rehabilitation 2010, 7:22 ... was approved by the hospital and university research ethics boards, and was in compliance with the Declaration of Helsinki Alves and Chau Journal of NeuroEngineering and Rehabilitation 2010, 7:22 ... solutions and may therefore stand to benefit most from emergent access technologies Control challenges posed when detecting activity in atypical muscles, and in discriminating between voluntary and...

Ngày tải lên: 19/06/2014, 08:20

... Hence, the rotor flux angle is given by: ρ = ∫(ωslip + rotor) dt (5.11) Where: Lm = the magnetizing inductance, Tr = the rotor time constant (= rotor inductance ÷ rotor resistance) and λr is ... specifically designed for Pulse-width modulation The text by Mohan, Undeland and Robbins [2] gives good explanations on the operating principles of the induction machine Concepts such as operating the induction ... manipulated to calculate the speed and position of the rotor The encoder pulses and the measured currents drawn by the induction motor form the feedback portion of the design Hence, the major aim of...

Ngày tải lên: 27/10/2013, 23:15

... soil testing is initiated and recommendations for the foundation design are presented General surficial geology of the area includes the study of slopes, tributary valleys, landslides, springs and ... deposit, and the nature of the unconsolidated overburden ©2000 CRC Press LLC An inspection of upland and valley slopes may provide clues to the thickness and sequence of formations and rock structure ... including dip and strike, faults or fissures, stratification, porosity and permeability, schistosity, and weathered zones Area of accelerated erosion deposit Unstable slopes, slips, and landslides...

Ngày tải lên: 09/08/2014, 22:23

... Plasticity and compressibility characteristics for fine grained soils and organic soils The letter symbols are as follows: G S M C O Pt W P H L Gravel and gravelly soils Sand and sandy soils Silt ... max 35 max 35 max 35 max 35 max NP Fine sand 40 max 41 40 max 41 10 max 10 max 11 11 Silty or clayey gravel and sand max Stone fragments, gravel, and sand General classification Group classification ... very complicated and erratic subsoil condition that may require a different approach in design Differentiation between claystone and sandstone should be easy, while claystone and siltstone are...

Ngày tải lên: 09/08/2014, 22:23

... to the foundation design and construction cost Equally important to testing of representative samples is the frequency of testing Testing of a few samples in a single project and basing the final ... knowledge and if necessary the designer should modify the design during construction.” The “gaps” are the knowledge required as a whole for the design Indeed, there is a very wide variation in soil and ... Test testing is not only undesirable, but also dangerous By testing only a few samples, the swelling or collapsing characteristics may be missed and erroneous conclusions drawn Too little testing...

Ngày tải lên: 09/08/2014, 22:23

... includes gravely sands, silty sands, clean sands, fairly clean sands, and gravel Engineers as well as the public generally have the conception that sandy soils are good bearing soils and will not ... Footing Size and Settlement 8.2.2 Footing Depth and Settlement 8.2.3 Penetration Resistance and Settlement 8.2.4 Water Table and Settlement 8.3 Rational Design of Footing Foundation on Sand 8.3.1 ... clay, fat clay, and plastic silt; the analysis can sometimes be extended to clayey sands (SC) and sandy silt (ML) The basic requirements of designing footings on clay are that the design should...

Ngày tải lên: 09/08/2014, 22:23

... commonly designed and constructed in the Rocky Mountain region On empirical design of piers, Woodward, Gardener, and Greer stated, “Many piers, particularly where rock bearing is used, have been designed ... Mountain area chose the “sand replacement method,” where the hole is filled with pre-calibrated Ottawa sand through a special sand cone device (ASTM D-1556) With this method of testing, the field engineer ... proof rolling subgrades and for finishing operations of fill with sandy and clayey soil In developing countries, rollers are ©2000 CRC Press LLC carved from solid rock and pulled by a team of laborers...

Ngày tải lên: 09/08/2014, 22:23

... No GT 12, 1980 H.G Poulos and E.H Dais, Settlement Analysis of Single Piles, Pile Foundation Analysis and Design, John Wiley & Sons, New York, 1980 W.C Teng, Foundation Design, Prentice-Hall, Englewood ... is foggy and very sketchy Probably the most complete review on the design of laterally loaded piles was given by B.B Broms in 1965 Broms covered this design in his investigation on long and short ... piers are cohesive soils and cohesionless soils Cohesive soils include clays, sandy clays, and silty clays of various consistencies They also include weathered claystone and claystone bedrock Medium-hard...

Ngày tải lên: 09/08/2014, 22:23

... take 100 poker chips and label them with numbers so as to form a geometrically normal array having a mean value of 91 tons and a standard deviation of 1.55 Mix the poker chips and select one The ... more than a month Normally, pile designs are initially based on estimated loads and subsoil Pile load tests are performed during the design stage to check the design capacity Should load test ... are more reliable than laboratory testing on samples in which a great deal of disturbance is to be expected For the design of structures such as sign posts and transmission towers, where large...

Ngày tải lên: 09/08/2014, 22:23

... necessary and on low ground the stability of fill must be considered Geotechnical engineers seldom pay attention to the design of man-made open cuts and fill They cover the design with the standard ... north-south-trending bedrock The landslide area and all jump profiles were analyzed to determine the cause of the landslide and the effects the slide had on the profile of the jump complex design A geological ... on a circular surface, sand slopes fail by sliding parallel to the slope Sand located permanently above the water table is considered stable and cuts can be made at standard angles Slides occur...

Ngày tải lên: 09/08/2014, 22:23

... deterioration Test piles, number and procedure of testing and interpretation of test results Testing, inspection, and pay items Drilled Piers — Discuss the following items: Advantages and disadvantages on ... the dispute 16.4.1 FIELD TESTING In most circumstances, testing is done with a nuclear moisture-density gauge Sand cones and balloon methods are less commonly used The sand cones are sometimes ... in terms of technical arguments, and they are prime issues of dispute resolution Analyzing and evaluating the facts, in a straightforward and understandable way, and presenting an effective defense...

Ngày tải lên: 09/08/2014, 22:23

... supported by C1 and C3 (Fig 1.25), and charges C1 and discharges C3, and thereby reducing VLC until the voltage at the node of S1 and S3 reaches zero At this time D3 becomes forward biased and clamps ... Loop design Switching condition Voltage gain Relative power 3-φ Boost 3-φ Buck 3×1-φ Boost Multipulse 0 3 (3 windings) High High High High Low Low bandwidth, bandwidth, bandwidth, bandwidth, bandwidth, ... 1.14 The load current charges C1 and C2, whilst discharging C3 and C4, hence lowering the voltage at the node between S1 and S3, and raising that at the node of S2 and S4 The charging/discharging...

Ngày tải lên: 13/11/2014, 06:49

... PCB board 83 Figure 4.29: Tapered Design & 83 Figure 4.30: Tapered Design and Step Design 84 Figure 4.31: Various step designs with connectors 85 Figure 4.32: New design model for the interposer ... wafer-level packaged devices testing was designed and fabricated, and its high frequency response was successfully characterized Modeling and optimization methods were examined and are presented The ... interposer is successfully designed and implemented, it can fulfill the task of a wafer level test, replacing BI sockets, test sockets, handlers and trays with full wafer handling Its compatibility...

Ngày tải lên: 04/10/2015, 10:25

... work during the design stage, the hardware and software design blocks and the main features of the T-Sunalyzer, debugging and troubleshooting work during the construction stage and experimental ... 25 CHAPTER 3: DESIGN AND FEATURES OF T-SUNALYZER The T-Sunalyzer was designed with test and measurement building blocks which are assembled together and integrated with control and analysis software ... with the design and implementation of the T-Sunalyzer The Chapter starts with the introduction of the proposed I-V tester specifications It is followed by high level design and hardware design...

Ngày tải lên: 04/10/2015, 15:45

... work during the design stage, the hardware and software design blocks and the main features of the T-Sunalyzer, debugging and troubleshooting work during the construction stage and experimental ... 25 CHAPTER 3: DESIGN AND FEATURES OF T-SUNALYZER The T-Sunalyzer was designed with test and measurement building blocks which are assembled together and integrated with control and analysis software ... with the design and implementation of the T-Sunalyzer The Chapter starts with the introduction of the proposed I-V tester specifications It is followed by high level design and hardware design...

Ngày tải lên: 13/10/2015, 15:57

... Ⅲ Understand the embedded Linux development environment Ⅲ Understand and create Linux BSP for a hardware platform Ⅲ Understand the Linux model for embedded storage and write drivers and applications ... memory leaks and memory corruption in applications and drivers Ⅲ Learn methods to profile applications and the kernel Ⅲ Understand uCLinux architecture and its programming model Ⅲ Understand the embedded ... Ltd Ⅲ Windows, WinCE and Microsoft are registered trademarks and MS-DOS and DirectX are trademarks of Microsoft Corporation Ⅲ Solaris and Java are registered trademarks and ChorusOS is a trademark...

Ngày tải lên: 04/08/2012, 14:23

Ngày tải lên: 25/08/2012, 09:00

... “Issues and Challenges” section, so that you at least expose yourself to some of the key concerns of Web writing and design Then, download the RPK and, with your text editor and Web browser handy, ... approach to Web writing and design: it takes you from learning to read the Web like a writer and designer, up through posting a complete, customized Web site—even a custom-designed WordPress blog, ... including page elements such as branding, text and media content, and navigation • “Problems and Solutions” moves to the challenges surrounding construction and maintenance of an entire Web site,...

Ngày tải lên: 27/08/2012, 13:55