AN1206 sensorless field oriented control (FOC) of an AC induction motor (ACIM) using field weakening

SINUSOIDAL PWM OPERATION OF AN AC INDUCTION MOTOR CONTROLLER

... of these appliances run on single-phase ac induction motors less than ½ horsepower And most of those motors lack a proper motor controller in order to run the motor more efficiently Motors can ... the purpose of this paper is to describe an ac motor controller that can be applied to existing single-phase ac induction motor appliances, and to demonstrate sinusoidal PWM operation of the converter-inverter ... Form C Performance Test Form D Component Data Sheets AC MOTOR CONTROLLER PAGE APRIL 26, 2000 SINUSOIDAL PWM OPERATION OF AN AC INDUCTION MOTOR CONTROLLER Curtis Nelson, Kelly McKeithan, Tom McDonough,...

Điều khiển động cơ không đồng bộ theo phương pháp Field oriented control (FOC) sử dụng bộ điều khiển mờ

... vector không gian ñư c s d ng ñ ñi u n ñ ng cơ, có hai phương pháp chính: + ði u n ñ nh hư ng trư ng (Field Oriented Control) bao g m: phương pháp ñi u n vectơ tr c ti p (Direct Vector Control) phương ... “h p ñen”) K t h p tính ưu vi t c a phương pháp ñi u n khác nhau, lu n văn trình bày k thu t “ði u n ñ ng không ñ ng b theo phương pháp FIELD ORIENTED CONTROL (FOC) s d ng b ñi u n m ” (áp d ng ... mà không cҫn mô hình toán KӃt hӧp tính ѭu viӋt cӫa phѭѫng pháp ÿiӅu khiӇn khác nhau, luұn văn trình bày kӻ thuұt “ĈiӅu khiӇn ÿӝng cѫ không ÿӗng bӝ theo phѭѫng pháp FIELD ORIENTED CONTROL (FOC)...

Báo cáo y học: "Rapid generation of an anthrax immunotherapeutic from goats using a novel non-toxic muramyl dipeptide adjuvant." docx

... goat anti-sera Cell viability determined by an MTT-based assay A Anti-PA83 IgG Data shown are the average ± SEM of five assays each with four replicates EC50 is 2.57 × 10-7 M B Anti-PA83 F(ab')2 ... volumes of antisera Additionally, the goats can be plasmapheresed up to four times per year for several years making for a nearly endless source of antisera Plasmapheresis of three goats generated ... complement-mediated lysis of HIV-1 by PEHRG214, a novel caprine anti-HIV-1 polyclonal antibody AIDS 2006, 20:505-515 Ahuja N, Kumar P, Bhatnagar R: Rapid purification of recombinant anthrax- protective antigen...

Use of an extension of the park's transformation to determine control laws applied to a non sinusoidal permanent magnet synchronous motor

... knowledge of the non sinusoidal permanent magnet synchronous motor We are so able as well to analyse the classical control laws such as 120' voltage control for example, as to deduce of this new ... electromotiveforces, the motor being not supply Park's transformation AAer this first transfoxmation, the Pa& transfomation allows us to work in the rotor's reference, through a rotation of an angle PO.Using the ... PROPOSAL OF AN EXTENSION OF THE PARK'S TRANSFORMATION Classical Park's transformation is in fact the succession of two transfomations The torque is then given by: T, = p.(@~,.io+@'did+@'q.iq) For a...

Detection of an uncharged steroid with a silicon nanowire field effect transistor

... conductance of BS3- and Art KSI-labeled SiNW-FET remained constant on the addition of 19-NA up to 0.3 pM, indicating that the background disturbance of 19-NA is insigniﬁcant [Fig 5 (a) ; data for ... Lieber, Label-free detection of smallmolecule-protein interactions by using nanowire nanosensors, Proc Natl Acad Sci U.S .A 102 (2005) 3208–3212 [23] F.S Klawahara, S.F Wang, P Talalay, The preparation ... Chang et al / Sensors and Actuators B 138 (2009) 148–153 149 with HF solution After deﬁning the contact pad patterns, a stack of Ti (10 nm) and Au (100 nm) was then evaporated with a thermal...

Feasibility of an Air Liaison Officer Career Field -Improving the Theater Air-Ground System pptx

... high standards for research quality and objectivity Feasibility of an Air Liaison Officer Career Field Improving the Theater Air- Ground System Thomas Manacapilli, Steven Buhrow Prepared for the ... current and past ALOs, and the recent experience of the USMC support a conclusion that nonstrike aviators and nonaviators can the ALO job xvi Feasibility of an Air Liaison Of cer Career Field Is an ... should be of interest to Air Force leaders and staﬀs concerned with improving the Theater Air- Ground System (TAGS) RAND Project AIR FORCE RAND Project AIR FORCE (PAF), a division of the RAND Corporation,...

báo cáo hóa học: " Vision based interface system for hands free control of an intelligent wheelchair" ppt

... proposed -based method produced the best performance with an average accuracy of 96.5%, while the facebased method had an accuracy of 87.5% and the headband -based method had an accuracy of 88% In ... prototype of our IW The prototype of our IW Our system is described in Figure and specification of the components is illustrated in Table Overview of Vision- based Control System The proposed control system ... three interfaces The performances for three interfaces were then evaluated in terms of the accuracy and speed In those experiments, the face -based method was Page 12 of 17 (page number not for...

Báo cáo nghiên cứu khoa học " Development of an Improved Capability in support of National Bio-security for the Surveillance and Control of Foot & Mouth Disease in Cattle and Pigs " pptx

... necessary for the training of field veterinarians This workshop information and the lectures were used to run workshops for the field veterinarians in the South and Centre of Vietnam and this information ... improve the diagnostic capability of the Veterinary laboratories in Vietnam and the training of DAH veterinarians in disease investigation and control This will strengthen the profile of DAH which ... commence the project, begin the training of the field veterinarians in the South, Centre and North of Vietnam and also the training of laboratory staff All laboratory equipment was purchased and supplied...

Báo cáo nghiên cứu khoa học " Development of an Improved Capability in support of National Bio-security for the Surveillance and Control of Foot & Mouth Disease in Cattle and Pigs - Milestone 3 " pptx

... provided and are continuing to provide support and training to other laboratories in the network The project has highlighted the need for training of field veterinarians in the collection of data and ... diagnosis and control of FMD by the provision of resources and training of staff in required methods and quality assurance To provide accurate data to explain failure of vaccination to control FMDV and ... has assisted in developing the skills of the epidemiologists in serosurveillance, outbreak control and investigation of vaccine failure Information from the serosurveillance in the project was...

Báo cáo nghiên cứu khoa học " Development of an Improved Capability in support of National Bio-security for the Surveillance and Control of Foot & Mouth Disease in Cattle and Pigs - Milestone 6 " ppt

... Australia and internationally through the training programs and also through the achievements in understanding FMD in Vietnam FMD is a disease of importance in Vietnam and the region and this ... is important for matching of antigen between the ELISA and the field strain (and with knowledge of the antigen used in the vaccine) It appears that the serotypes contained in the vaccines may ... further input 6. 2 Options The government of Vietnam is looking at increasing the support to DAH and has increased funding for AI diagnosis and is looking to the same for FMD diagnosis The increased...

Báo cáo nghiên cứu khoa học " Development of an Improved Capability in support of National Bio-security for the Surveillance and Control of Foot & Mouth Disease in Cattle and Pigs " ppt

... publicity in Vietnam, Australia and internationally and recognition of the achievements made in relation to the understanding and control of FMD in Vietnam FMD is a disease of importance in Vietnam and ... detailed in the earlier Milestone Report • Standard forms and protocols for collection of field data and trained field veterinarians in how to carry out disease investigation for control of disease and ... acquisition and resulted in limited sero -surveillance in Northern and Central provinces Initial project implementation in the field highlighted the need for further training of field veterinarians in disease...

Báo cáo nghiên cứu khoa học " Development of an Improved Capability in support of National Bio-security for the Surveillance and Control of Foot & Mouth Disease in Cattle and Pigs - Milestone 5 " ppt

... improve the diagnostic capability of the Veterinary laboratories in Vietnam and the training of DAH veterinarians in disease investigation and control This will strengthen the profile of DAH which ... Determine the efficacy of the FMD vaccine in protecting against FMD isolates circulating in Vietnam Comparison of FMD genotypes to vaccine Results of sero -surveillance Hold information and training ... further training in the collection of data and how to ensure the correct information is obtained from the farmer The staff at RAHC-HCMC will continue to deal directly with the veterinarians in the...

Báo cáo nghiên cứu khoa học " Development of an Improved Capability in support of National Bio-security for the Surveillance and Control of Foot & Mouth Disease in Cattle and Pigs - Milestones 7 " docx

... Chi Minh City continued to train and support the field veterinarians on how to collect samples and how to collect information necessary for the history of the animals for the villages in the project ... primary animal handlers and managers, they will be major beneficiaries of the final outcome of better diagnosis and control of animal diseases Implementation & Sustainability Issues 7. 1 Issues and ... supplying training for AI Training in data analysis by DAH staff is also an area that needs further input 7. 2 Options The government of Vietnam is looking at increasing the support to DAH and has increased...

Báo cáo y học: "A case-control study of rheumatoid arthritis identifies an associated single nucleotide polymorphism in the NCF4 gene, supporting a role for the NADPH-oxidase complex in autoimmunity" doc

... preparation, statistical analyses and drafted the manuscript A- KL participated in the design of the study and the statistical analyses HK and LA performed the logistic regression analysis LP and LK were ... 71% and 72%, respectively, are female; the mean age was 51 ± 13 years in cases and 54 ± 12 in controls Information about RF and anti-CCP antibody status was available for 1,315 of the patient samples; ... frequencies of the SNPs are affected by the LD of the region, and the stratified analyses are based on the same SNPs and samples as the initial analysis and can therefore not be considered to be independent...

Báo cáo y học: "Association of the T allele of an intronic single nucleotide polymorphism in the colony stimulating factor 1 receptor with Crohn''''s disease: a case-control study" ppt

... being sloughed off into intestinal lumen staining most vividly (Figure 1A, 1B,1C) Examination of the intracellular staining pattern revealed a characteristic staining pattern with the terminal ... controls of Acadian descent than patients of Acadian descent (Table 2), it is unlikely that the higher rate of the T allele of the A2 03 3T SNP noted in Crohn's patients in general (Table 1) can ... results in inflammatory bowel disease in rodents [22,23] These data suggest that a signaling pathway involving G alpha i2, Stat3 and CSF1R is critical for protection against intestinal inflammation...

Xem thêm