3design of a pid rcr using modal control theory

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

Ngày tải lên : 27/10/2013, 23:15

... 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, ... project as we have available a DC supply and the induction motor requires an AC supply that needs to be controlled to a certain degree of accuracy It compares how each topology generates harmonics ... 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...

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Báo cáo " Development of a spectrometry system Using lock-in amplification technique " doc

Ngày tải lên : 05/03/2014, 14:20

... and may contain any number of embedded space characters A command to the SR830 consists of a four characters command mnemonic, arguments if necessary, and a command terminator The SR830 has a 256 ... He-Ne laser instead of Ion Argon laser The Raman excitation by He-Ne laser showed many advantages in comparison with Argon laser excitation Acknowledgements: This work is supported by the Natural ... overlaps Raman spectrum This was proved very clearly in the Raman spectra of the petrol extract sample 5B110 and 5B11 (petrol extracts from Bach Ho, Vietnam) The Raman spectra excited by He-Ne laser...

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Báo cáo " Calibration and verification of a hydrological model using event data " ppt

Ngày tải lên : 22/03/2014, 12:20

... table 2.2 Table 2.1 NAM parameter explanation and boundaries NAM Parameter NAM Parameter Description Unit Umax Lmax CQOF CKIF CK1,2 TOF TIF TG CKBF Maximum water content in surface storage Maximum ... measurable quantities of basin characteristics [6] and hence model calibration is needed Using the observed rainfall and evaporation data of each storm event as inputs, model will automatically ... verification procedure introduced above, Gia Vong – a river basin in Quang Tri was taken as a case study (Figure 3.1) The basin has an area of about 275 km2, a perimeter of 111.9 km and an average...

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

Ngày tải lên : 23/03/2014, 13:20

... 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 ... scale For each of the two possible fault planes, the active fracture area has a different shape Fig shows a rupture propagation towards the north-north-east for the two fault planes The shape and ... of solution, and also the uncertainties contained in the data itself, we propose the decreasing of the temperature to a critical value equal to the noise variance of the data This value is calculated...

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improving near field confinement of a bowtie aperture using surface plasmon polaritons

Ngày tải lên : 06/05/2014, 08:53

... modulation when the wave propagates to and reflects from the groove A close examination of Fig 2͑b͒ indicates that SPP waves are excited at the edges of each groove and stronger fields are located at ... is adaptive with a smallest grid size of nm in critical areas Material properties are obtained from Ref 18 A 30-nm-width slit in a 100-nm-thick aluminum film on a quartz substrate is illuminated ... for Al/air interface At these periodicities, the grooves produce standing waves matching the SPP wavelength Superposition of these standing waves and the emerging field at the slit leads to a narrower...

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báo cáo hóa học:" Identification of a biomarker panel using a multiplex proximity ligation assay improves accuracy of pancreatic cancer diagnosis" doc

Ngày tải lên : 18/06/2014, 15:20

... that are increased as well as those that are decreased in the plasma of patients displaying clinical symptoms of pancreatic cancer In this study, we assembled a cohort of 52 cases of locally advanced, ... Plasma levels of 21 tumor markers in pancreatic cancer patients and healthy controls measured by proximity ligation assay Plasma levels of 21 tumor markers in pancreatic cancer patients and healthy ... Figure CEA and CA125 are significantly prognostic for advanced, unresectable pancreatic cancer CEA and CA125 are significantly prognostic for advanced, unresectable pancreatic cancer (A) Kaplan-Meier...

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Báo cáo hóa học: " Research Article Performance of a Two-Level Call Admission Control Scheme for DS-CDMA Wireless Networks" potx

Ngày tải lên : 22/06/2014, 19:20

... given value of Λ, the average waiting time decreases very rapidly as the bandwidth reservation ratio is increased As an example, at an aggregate new call arrival rate of 0.35 calls/sec, the average ... the average waiting time of class calls assuming the 2-level CAC scheme The results are plotted against reservation bandwidth ratio and parameterized by aggregate new call arrival rate, Λ For a ... the feasible state space S, any state transition is caused by one of the following events: (1) arrival of a class new call, (2) arrival of a class handoﬀ call from a neighboring cell, (3) departure...

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Báo cáo nghiên cứu khoa học " Calibration and verification of a hydrological model using event data " pot

Ngày tải lên : 09/08/2014, 17:23

... basin has an area of about 275 km2, a perimeter of 111.9 km and an average rainfall of 2500 mm/year In Quang Tri, there are a wet and a dry period in a year The dry period lasts months from January ... measurable quantities of basin characteristics [6] and hence model calibration is needed Using the observed rainfall and evaporation data of each storm event as inputs, model will automatically ... table 2.2 Table 2.1 NAM parameter explanation and boundaries NAM Parameter NAM Parameter Description Unit Umax Lmax CQOF CKIF CK1,2 TOF TIF TG CKBF Maximum water content in surface storage Maximum...

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Báo cáo y học: " De novo genome sequence assembly of a filamentous fungus using Sanger, 454 and Illumina sequence data" ppsx

Ngày tải lên : 09/08/2014, 20:20

... Illumina PE read data and Illumina with Sanger PE read data (see Materials and methods: Assembling Illumina data); using Forge we assessed assemblies generated from 454 SE read data, 454 SE with Sanger ... current sequence assembly is approximately 32.5 Mb in length and has an N50 scaffold size of approximately 782 kb The assembly as well as the raw read data are available from National Center for ... library of approximately 200-bp sheared genomic DNA fragments on an Illumina GAii (approximately 3.3 Gb of sequence data; approximately 100-fold genome sequence coverage) Initial assembly analysis...

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Báo cáo y học: "Differences between homicide and filicide offenders; results of a nationwide register-based case-control study" ppt

Ngày tải lên : 11/08/2014, 17:20

... psychopathy form a particular pattern of interpersonal, affective, and behavioral symptoms Egocentricity and impulsivity, lack of empathy and remorse, as well as shallow and labile affects are typical ... evaluate inter-rater agreement of the PCL-R further, 20 reports were randomly chosen from the total national data and rated by all raters after preparation in workshop attendance and several ... 2/factor in the three factor model, 87 for facet 3/factor in the three factor model, and 64 for facet Statistical analysis Data analyses were made with SPSS 16.0 statistical software package...

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A behaviour based algorithm for encirclement of a dynamic target using multiple mobile robots

Ngày tải lên : 15/09/2015, 22:43

... and Arkin have shown that formation behaviour can be integrated into a motor-schema behaviour-based system with other navigational behaviours so that a robotic team can reach navigational goal, ... triangle (see Figure 2.1) rather than a circle is formed In a Reuleaux triangle, arcs ab, bc and ca are drawn with radii equal to D, from the vertices c, a and b Triangle abc is also an equilateral ... First of all, a field of 4m x 4m is selected and the target is always located at the centre The robots are initially located at a distance of 1.6 m from the target However, the orientation of each...

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Describing the interior of a black hole using

Ngày tải lên : 26/09/2017, 16:44

... Skenderis and MMT; Balasubramanian, de Boer, Ross, Simon et al; Czech, Levi, van Raamsdonk et al Also Hawking STAG STAG STAG Marika Taylor Black hole microstates RESEARCH RESEARCH RESEARCH CENTER ... area law No drama at the horizon STAG STAG STAG Marika Taylor Black hole microstates RESEARCH RESEARCH RESEARCH CENTER CENTER CENTER Firewalls (AMPS) Consider a correlated Hawking pair A and B ... Kostas Skenderis and Marika Taylor What is quantum superposition for gravity? Marika Taylor The structure of black hole microstates STAG STAG STAG Marika Taylor Black hole microstates RESEARCH...

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Báo cáo y học: "Association of common polymorphisms in known susceptibility genes with rheumatoid arthritis in a Slovak population using osteoarthritis patients as control" doc

Ngày tải lên : 09/08/2014, 14:20

... Mabuchi A, Shi D, Kubo T, Takatori Y, Saito S, Fujioka M, Sudo A, Uchida A, Yamamoto S, Ozaki K, Takigawa M, Tanaka T, Nakamura Y, Jiang Q, Ikegawa S: A functional polymorphism in the 5' UTR of ... study aimed at examining a genetic association in a RA-OA case -control setting in a Slovak population Materials and methods Study participants A total of 520 Slovak individuals (87 males, 433 females) ... anti-CCP-positive RA cases with anti-CCP-negative OA controls revealed several association signals, whereas anti-CCP-negative RA cases did not [see Tables S17 and S18 in Additional data file 1] Assuming a dominant...

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Wireless control of bluetooth on off switches in a smart home using J2ME in mobile phones and PDAs

Ngày tải lên : 14/09/2015, 10:30

... device that is connected with the manufactured Bluetooth on/off switch changes Various instances of the server are emulated so that it will create a scenario of a real life Bluetooth enable smart ... SECURITY AND APPLIANCE CONTROL WITH BLUETOOTH Currently we haven’t found a manufactured Bluetooth on/off switch with this capability, but as a supposed scenario an on/off switch receives a or signal ... organization of the Bluetooth devices, sends a signal to a certain device and changes its status First a selection is done of what type of device is going to be turned on/off, and then a task...

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Design and development of a self balancing bicycle using control moment gyro

Ngày tải lên : 02/10/2015, 17:14

... widely used as an actuator other than on large spacecraft to control the attitude of large spacecraft and space infrastructure such as the International Space Station [15] There are many reasons for ... (CMG) as an actuator The control moment gyro (CMG) is typically used in a spacecraft to orient the vessel [5] Appling a CMG as an actuator to balance a bicycle is a creative and novel approach; and ... steering handlebar Based on the amount of roll, a controller controls the amount of torque applied to the handlebar to balance the bicycle Advantages of such a system include low mass and low energy...

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Development and realization of a distributed control algorithm for an inverted rotary pendulum using freeRTOS with TTCAN communication

Ngày tải lên : 23/09/2016, 16:09

... memory is a 16-bit value data type, therefore the pointer will be a 16-bit value ARRAYS: An array is a data set of a declared type, arranged in order An array is declared with the array name and the ... data length of message and the last – an array data[8] store the data of the message  Data length of three CAN message Reference message – MasTim: it contains the transmitted time of the last ... the data link layer and physical layer of the ISO/OSI Reference Model The CAN is able to transmit and receive four kinds of frame, Data Frame, Remote Frame, Error Frame and Overload Frame and achieves...

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DSpace at VNU: Hybrid control of a pneumatic artificial muscle (PAM) robot arm using an inverse NARX fuzzy model

Ngày tải lên : 16/12/2017, 09:53

... considered a reasonable constraint The advantage of using this constraint is that this parameter can be captured in just one bit per variable For the spacing parameters, two separate parameters are used ... each variable and a characteristic angle for each output variable are used H.P.H Anh, K.K Ahn / Engineering Applications of Artificial Intelligence 24 (2011) 697–716 701 START Configuration Parameter ... Previously, we (Ahn and Anh, 2006) applied a modified genetic algorithm (MGA) for optimizing the parameters of a linear ARX model of the PAM manipulator which can be modified online with an adaptive self-tuning...

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Báo cáo y học: "Aplasia and Agenesis of the Frontal Sinus in Turkish Individuals: A Retrospective Study Using Dental Volumetric Tomograph"

Ngày tải lên : 25/10/2012, 11:04

... above a line tangential to the supraorbital margin Frontal sinus aplasia was also defined by an oval-shaped sinus with the lateral margin medial to a vertical line drawn through the middle of the ... and microscopic approaches In: Clemente MP, ed Surgical Anatomy of the Paranasal Sinus Stuttgart: Thieme; 2003: 1-55 Pondé JM, Metzger P, Amaral G, Machado M, Prandini M Anatomic variations of ... dental radiologists in this study evaluated the DVT images using DVT software (Quantitative Radiology, NNT Software version 2.21, Verona, Italy) with respect to aplasia and agenesis of the frontal...

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Báo cáo y học: "Comparative study of control selection in a national population -based case-control study: Estimating risk of smoking on cancer deaths in Chinese men"

Ngày tải lên : 26/10/2012, 09:48

... Sitas F, Urban M, Bradshaw D, et al Tobacco attributable deaths in South Africa Tobacco Control 2004; 13: 396–99 Jiang J, Liu B, Sitas F, et al Smoking-attributable deaths and potential years of ... than rural males, both study groups revealed a consistent pattern of the effect of smoking on risk of cancer deaths TABLE Characteristics of cases and two control groups: Population-based case -control ... death certificate Third, social class, which is also associated with both smoking and cancer deaths, was not measured in this study, and the separate calculation of risk patterns in urban and...

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