design of a dc machine

... issues, and data imbalance Laboratory settings may not capture real-world fire variability, and ensuring precise sensor calibration is crucial to avoid inaccurate readings Additionally, the rarity of ... preprocessing,which encompasses data cleaning, normalization, and addressing any missing values to maintain the integrity and suitability of the dataset for machine learning applica- tions The research then ... significantly impacts the final model.Principal Component AnalysisDimensionality reduction plays a crucial role in machine learning and data analysis.In real-world applications, feature vectors can

Ngày tải lên: 21/11/2024, 21:54

... bao gồm FX2N-2AD và FX2N-4AD Trong đó, FX2N-2AD cho phép thực hiện các chức năng mở rộng một cách hiệu quả.57 ta có 2 bộ chuyển đổi ADC, với FX2N-4AD ta có 4 bộ chuyển đổi ADC, vì vậy ta lựa ... tục và tránh tạo ra vùng chết, việc tính toán độ rộng của cửa xả là rất quan trọng. Hình 0.1 quan hệ giữa độ ẩm và góc nghiêng của hạt lúa 28 Ở Việt Nam, lúa sau khi phơi qua 2 lần đạt độ ẩm ... hopper %ham tinh ap luc phan than %ham tinh ap luc phan day for i = 1:100 P_n1 = P_vft*(Cb*(sind(beta))^2+(cosd(beta))^2); Công thức tính áp lực P_n3 được xác định bởi P_n3 = 3*(S/C)*(gama*k/sqrt(muy))*(cosd(beta))^2

Ngày tải lên: 10/01/2025, 15:23

... (m&phase<0)is assumed Where m&phase is mass transfer: for evaporation (m&phase=m&evap) and for condensation (m&phase=m&cond) (kg/s) So that the mass balance equations for both phases are; ... within passive air-breathing fuel cells Rajani and Kolar [3] developed a single-phase two-dimensional model for a planar air-breathing PEM fuel cell that considered both heat and mass transfer ... phones Maher A.R Sadiq Al-Baghdadi Fuel Cell Research Center, International Energy & Environment Foundation, Al-Najaf, P.O.Box 39, Iraq Abstract The presence of microelectromechanical system

Ngày tải lên: 05/09/2013, 14:58

... requires a set of potential boundary condition and zero flux boundary condition at the anode catalyst layer interface and cathode catalyst layer interface respectively An initial guess of the activation ... mphase is mass transfer: for evaporation (mphase=mevap) and for condensation (mphase=mcond) (kg/s) So that the mass balance equations for both phases are; ( −sat g g)=mphase ⋅ Trang 5(sat ... cell Maher A.R Sadiq Al-Baghdadi Fuel Cell Research Center, International Energy & Environment Foundation, Al-Najaf, P.O.Box 39, Iraq Abstract The presence of microelectromechanical system

Ngày tải lên: 05/09/2013, 14:58

... on a variable structure parallel mechanism driven by SEA actuators) when in contact with a human We have analyzed an equivalent mechanical system where a dissipative element, a mechanical damper ... JNER JOURNAL OF NEUROENGINEERING AND REHABILITATION Design of a series visco-elastic actuator for multi-purpose rehabilitation haptic device Oblak and Matjačić Oblak and Matjačić Journal of NeuroEngineering ... passivity of a haptic device, based on a variable structure parallel mechanism driven by SEA actuators, when in contact with a human We have analyzed an equivalent mechanical system where a dissipative

Ngày tải lên: 19/06/2014, 08:20

... employs a simulated piano that presents visual, auditory and tactile feedback comparable to an actual piano Arm tracking allows patients to train both the arm and hand as a coordinated unit, emphasizing ... combines training of the hand and arm into an integrated task-based simulation This unique training modality is practical and accommodates and safely challenges sub-jects with a range of hand impairments ... presents a full keyboard with a complete range of single notes A list of wav files, each having the sound of a single note of the piano, are pre-loaded into a sound file array The keyboard array of

Ngày tải lên: 19/06/2014, 08:20

... Trang 1Open Access Research Application of a hybrid wavelet feature selection method in the design of a self-paced brain interface system Mehrdad Fatourechi*1, Gary E Birch1,2,3 and Rabab K Ward1,3 ... sigsig-nals can be used to label the brain signals and to evaluate the per-formance of a BI The data analysis of individuals with motor disabilities was thus left to future studies The data of four ... movements have been shown to activate similar cortical areas and to generate similar movement patterns This evidence enables us to base our analysis on the data of able-bodied subjects, who actually

Ngày tải lên: 19/06/2014, 10:20

... Not a2 [19 18] a2 [19 0] GND a2 [17 0] Datab[] Dataa[] Cin ParADD1 Cin Datab[] Cin Dataa[] q[] Cout SM[19 0] Output Cout Result[] LPM ADD SUB ParADD1 Datab[] Result[] LPM ADD SUB Dataa[] OutREG ... on how to change states. Each state specifies a set of outputs that are asserted or deasserted when the machine is in that particular state. The labels on the arc are conditions that are tested ... SCI has no latency [17] The arithmetic units are realized by using combinational logic, meaning that all calculation operations are performed in parallel The schematic diagram of its FPGA

Ngày tải lên: 22/06/2014, 23:20

... Both spatial and spatio-temporal algorithms are supported Realized in Adaptive versus fixed Gaussian Adaptive versus fixed impulsive Adaptive versus fixed contaminated Gaussian Gaussian Impulsive ... elaboration ofZ-tap LFs and D processing directions, the cascade ofF macrocells or the iterative use for F steps of a single macrocell allow the implementation of rational algo-rithms characterized ... possibilities of data flow organization (and design of a memory hierarchy between background frame memories and data paths of the video processor) exist enabling also vertical window over-lapping (not

Ngày tải lên: 23/06/2014, 01:20

... (white) Alpha1a=”0101” (on non-opaque spot, the opacity of first layer is 62,5%) Alpha1a Alpha2a Alpha1b X Opaq col 0 X = 3 3 4 4 Trang 5Alpha1b=”1000” (On opaque spot, the first layer is totally visible) ... displayed with opacity alpha1a and the second layer with opacity alpha2a If the color on the second layer is equal to the opaque color, the first layer is displayed with opacity alpha1b and the ... supervisor: Kalle Tammemäe Tallinn 2006 Trang 21 Assignment The task of the lab is to implement a classic video game using Spartan3 FPGA on a Xess XSA-3S1000 board Input device for the game is a PS/2

Ngày tải lên: 27/06/2014, 00:20

... proteins (CAp24, RT, and IN) with less accumu-lation of both Pr55Gag and Vpr-RT/IN Quantitative anal-ysis of the CAp24 and Pr55Gag bands revealed that the ratio of CAp24 (CA from processed Gag) to ... defect indi-cated by an accumulation of both Pr55Gag and Vpr-RT/IN (Fig 4) Quantitative analysis by laser densitometry scan-ning of the CAp24 and Pr55Gag bands showed that the ratio of CAp24 (from ... Trang 1Open AccessResearch Design of a trans protease lentiviral packaging system that produces high titer virus Address: 1 Brigham and Women's Hospital, Department of Anesthesia (SR157),

Ngày tải lên: 13/08/2014, 06:20

... radicular and nonradicular radiating pain Radicular radiating pain is defined as pain caused by a lumbar nerve root lesion, resulting in pain radiating from the back into the der-matome of that ... Data reduction is performed using MathCAD software (Mathsoft Inc., Waltham, MA, USA) at PCCR to obtain the following parameters: (1) maximum ranges of motion in the sagittal, coronal, and axial ... points of x-y coordi-nate data are reduced into 4 COP variables: (1) maxi-mum radial distance the COP traveled from the average location, (2) mean radial distance from the average, (3) total area

Ngày tải lên: 13/08/2014, 15:21

... University of Pisa, Pisa, Italy Email: Mauro Pistello* - pistello@biomed.unipi.it; Laura Vannucci - lauravannucci@biomed.unipi.it; Alessia Ravani - alessiaravani@biomed.unipi.it; Francesca Bonci ... breadth of action by improving nuclear trans-location of PIC, stabilization of transgene mRNAs, and incorporation of vector RNA into pseudotyped particles that are major determinants of lentiviral ... by cotransfection of pcDNA-RRE plasmid (Fig 1B–1D) Safety evaluation of packaging and vector constructs Figure 3 Safety evaluation of packaging and vector constructs A) p∆env1 transportation

Ngày tải lên: 14/08/2014, 19:22

... airfoils are designed to have a high C l /C d and at the same time a high C l for a given alpha-design angle of attack [12] The optimizations of the C l /C d for a given alpha-design can be useful ... degrees to around 22 This indicates that instead of a maximization of the C l /C d of the airfoil for a given alpha-design, the optimization should be implemented for a range of angles of attack which ... multiple airfoils as design variable Arturo Del Valle-Carrasco1, Delia J Valles-Rosales1, Luis C Mendez2, Alejandro Alvarado-Iniesta2 1 New Mexico State University, Department of Industrial Engineering,

Ngày tải lên: 09/09/2015, 10:17

... Block diagram of CABAC encoder [6] of H.264/AVC Trang 31Chapter 2 Review of Arithmetic Coding and CABAC equal, or dominant probabilities of value 1 and 0, respectively Advantages of binarization ... of research projects have been carried out targeting at hardware design of CABAC encoder of H.264/AVC standard in recent years Although different approaches have been investigated to accelerate ... 37Chapter 2 Review of Arithmetic Coding and CABAC acceleration of renormalization and bit output of BAC In some situations, long delay can be caused when large number of OS bits are accumulated

Ngày tải lên: 10/09/2015, 15:50

... carbon atoms Step sites are the preferred adsorption sites for carbon atoms and can act as nucleation sites for the formation of graphene islands On-surface carbon atoms are relatively unstable ... stable form of carbon on a Ni catalyst, with a carbon binding energy of –760 kJ/mol However, the formation of graphene islands resembles a nucleation process and requires critical islands of about ... subsurface layer are occupied by carbon atoms VI Trang 7Calculations indicate that boron atoms preferentially bind at the step sites and at octahedral sites just below the surface Boron and carbon atoms

Ngày tải lên: 11/09/2015, 16:06

... content makes methane a particularly interesting raw material Chemisorption and activation of methane on Ni catalysts is of considerable importance because SR and CPO of methane to produce syngas is ... understanding of the elementary steps and the origin of catalyst promotion, as well as to the design of a new, improved catalyst The starting point to the design of an ammonia catalyst is the volcano-shaped ... design of novel/improved catalysts, such as steam reforming and ammonia synthesis catalysts (Hinneman and Nørskov, 2003; Zhang and Hu, 2002) Transition metal catalysts such as Fe, Co and Ni are

Ngày tải lên: 11/09/2015, 16:06

... direction Specifies data direction ? ? Data - DATA0, DATA1 Data - DATA0, DATA1 – – 0 - 1023 bytes 0 - 1023 bytes ? ? Handshake - ACK, NAK, STALL Handshake - ACK, NAK, STALL – – Report status of data transaction Report ... Token Data Packet Data Packet Data Packet Data Packet ACK ACK Data Packet Data Packet ACK ACK 20 39 ? ? Message Interface used to send notification to Message Interface used to send notification ... 1 DATA0/ DATA 1 T/O ACKACK DATA0/ DATA1 DATA0/ DATA1 ACK STALLNAK T/O DATA0 ACK T/O Function Function Host Host Token Token Idle Idle Handshake Handshake Data Data IN OUT SET 8 There are Four Types of...

Ngày tải lên: 13/12/2013, 00:15

... complete absence of the carrier, the modulation delay from a logic low to high input, was measured as 180 µs. The time delay between data input, modulation, demodulation and data output was measured ... 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 ... Chan [3] also found that a large amount of noise enters the line at frequencies of 400 kHz and higher, as this band corresponds to the AM radio band, where the powerline wiring acts as a good...

Ngày tải lên: 19/01/2014, 20:20

... router-based multicast approaches and the lack of wide deployment of IP multicast limits their ap- plicability. As a result, application-level multicast is gaining popularity. Appropriate algorithms ... Appropriate algorithms and systems for scalable subscription management and scalable, reliable propagation of events are still an active research area [8–11]. Recent work on peer-to-peer overlay networks offers a ... (FIPS), National Institute of Standards and Technology, US Department of Commerce, Washington D.C., April 1995. 20. Yogen K. Dalal and Robert Metcalfe. Reverse path forwarding of broadcast packets....

Ngày tải lên: 19/02/2014, 18:20