universal motor speed control by a microcontroller arduino
AN0807 low cost DC motor speed control with CMOS ICs
... (Shanghai) Co., Ltd Room 701, Bldg B Far East International Plaza No 317 Xian Xia Road Shanghai, 200051 Tel: 86-21-6275-5700 Fax: 86-21-6275-5060 China - Shenzhen 150 Motor Parkway, Suite 202 Hauppauge, ... DS0080 7A - page M WORLDWIDE SALES AND SERVICE AMERICAS ASIA/PACIFIC Corporate Office Australia 2355 West Chandler Blvd Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: ... 91-80-2290062 Japan Microchip Technology Japan K.K Benex S-1 6F 3-18-20, Shinyokohama Kohoku-Ku, Yokohama-shi Kanagawa, 222-0033, Japan Tel: 81-45-471- 6166 Fax: 81-45-471-6122 Korea Microchip Technology...
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SIMULATION AND SPEED CONTROL OF INDUCTION MOTOR DRIVES
... stationary frame Vds d-axis Stator Voltage with stationary frame Iqs q-axis Stator Current with stationary frame Ids d-axis Stator Current with stationary frame Iqr q-axis Rotor Current with stationary ... stationary frame Idr d-axis Rotor Current with stationary frame λds d-axis Stator flux with stationary frame λqs q-axis Stator flux with stationary frame λdr d-axis Rotor flux with stationary frame ... and the effects of various parameters such as rotor and stator resistances and inductances were analysed Also different control algorithms such as P, PI and PID control were studied by simulating...
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A park like transformation for the study and the control of a nonsinusoidal brushless DC motor
... self-inductance and the mutualinductance of the stator coils Since we assume a constant airgap and no saturation, L, and M, are constant ara arb , and arc the rotor fluxes induced in the stator phases are ... mechanical subsystems are significantly separated Alternatively, state feedback linearization in "&"-frame can be ]performed For a non-sinusoidal BDCM, by analogy to the previous case, an angle ... are surface mounted and have the same permeability as air As a result, the armature reaction is negligible The magnetic circuit has an important air part so that the effects of the saturation in...
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Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... variable and the mathematical model is an ordinary differential equation In a distributed-parameter model, time and spatial variables are independent variables and the mathematical model is a ... control systems, particularly because digital was not available Furthermore, the control of AC actuators was a difficult task at that time Today, AC motors are also widely used as servo-motors, employing ... The across variables are the voltages across the resistance R and inductance L, and the angular velocity ω and angular acceleration α of the inertia J The state variables for the system are the...
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báo cáo hóa học:" Development of targeted therapy for ovarian cancer mediated by a plasmid expressing diphtheria toxin under the control of H19 regulatory sequences" doc
... peritoneal cavity is a common site of ovarian cancer presentation or recurrence usually accompanied by ascites [3] Massive ascites and the associated abdominal distention can cause anorexia, nausea, ... profiling allows an individualized DNA-base approach to cancer therapy The therapeutic potential of the DTA-H19 vector was tested in a rat animal tumor model for colorectal liver metastases showing ... potential in ovarian cancer cell lines and a significant tumor growth inhibition in animals, indicating that the DTA-H19 construct has a high therapeutic potential and is a very promising candidate...
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Báo cáo hóa học: " Development of targeted therapy for bladder cancer mediated by a double promoter plasmid expressing diphtheria toxin under the control of H19 and IGF2-P4 regulatory sequences" potx
... the RNA STAT-60TM Total RNA/mRNA isolation reagent, according to the manufacture’s instructions The RNA was treated by RNAse-free DNAse I to eliminate any contaminating DNA Total cDNA was synthesized ... areas was calculated for each group The Mean and SD of bladder tumor area (A) and weight (B) are shown Amit and Hochberg Journal of Translational Medicine 2010, 8:134 http://www.translational-medicine.com/content/8/1/134 ... activation was reported as a major mechanism for the IGF2 overexpression in a variety of tumors including bladder carcinoma, hepatocellular carcinoma, breast cancer, ovarian cancer and prostate cancer...
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Báo cáo hóa học: " Testing the potential of a virtual reality neurorehabilitation system during performance of observation, imagery and imitation of motor actions recorded by wireless functional nearinfrared spectroscopy (fNIRS)" potx
... execution (as in traditional motor learning), imitation, observation (as in observational learning) and motor imagery Activation of these brain areas following observation or motor imagery may thereby ... the patient’s own arms and hands, which are displayed on a large screen and controlled by the patient wearing arm position trackers and data gloves To activate the action-observation system, patients ... elimination Data Analysis Descriptive analysis was calculated for all median signal amplitudes (μmol/l ± SD) Each source-detector combination (channel) and each condition was averaged to attempt...
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Báo cáo khoa học: "Effect of a feedback control by early secondary xylem formation on the outcome of competition between leafy shoots in apple (Malus x domestica Borkh.)" ppt
... initial advance and cannot growing faster than shoot case is far from amplify it by The latter uncommon: amount to 40% of the total it may population, upon cultural conditions and treatments ... conducting capacity explains why shoot successfully opposes and stays abreast of its competitor sion cannot be discarded as part of the explanation However, cambial activity also interferes by long-term ... regulation In the competition among shoots, the ‘classical’ hormone-directed nutrient diver- Crabbe J (1985) Aspects of the apical control branching in one-year-old caulinary axes of woody plants...
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Báo cáo y học: "Mechanisms employed by retroviruses to exploit host factors for translational control of a complicated proteome" pot
... 2-5OAS and dsRNA Although structures in the retroviral genome apparently trigger activation of the 2-5OAS pathway, the virus may stop RNA degradation at a later stage in the signaling cascade ... protein & RNA Examples of interacting virusa PFV, HIV-1 PFV Tas and HIV-1 Tat act as RNA silencing suppressors that combat the antiviral effect of small RNA pathway Also miRNAs may be encoded by retroviruses ... (2-5OAS) pathway that typically results in RNAseL activation and cleavage of viral doublestranded RNA Vertical lines within RNaseL indicate ankyrin repeats Right panel illustrates the double-stranded...
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Báo cáo y học: "Tranexamic acid attenuates inflammatory response in cardiopulmonary bypass surgery through blockade of fibrinolysis: a case control study followed by a randomized double-blind controlled trial" doc
... into a logistic regression analysis Results for qualitative variables are expressed as frequency and percentage Quantitative variables are expressed as mean ± standard deviation or as median and ... Coagulation and fibrinolysis determination Quantitative plasminogen activator inhibitor (PAI-1) antigen (normal range: to 47 ng/mL; intra-assay variation: 3.7%) and tissue plasminogen activator ... extracorporeal circuit J Cardiothorac Vasc Anesth 2002, 16:447-451 Marano CW, Garulacan LA, Laughlin KV, Igidbashian L, Trace C, Goldman SM, Sutter FP, Reichard GA Jr, Mullin JM: Plasma concentrations...
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AN0532 servo control of a DC brush motor
... Loads extended math library AARG and BARG ; ; ARGUMENTS: A => AARG ; B => BARG ; ; TIMING (cycles): LOADAB MACRO MOVFP MOVFP MOVFP A, B A+ B0,AARG+B0 A+ B1,AARG+B1 B+B0,BARG+B0 ; load lo byte of A ... CPFSGT CALL WREG SATFLAG doIntegral ; if previous output saturated, ; not accumulate integrator LOADAB CALL ADD32 INTEGRAL,KI Dmult DPX,Y ; compute KI*INTEGRAL MVFP16 SUB16 MVFP16 CALL ADD32 U0,AARG ... incremented by a constant acceleration value until a specified maximum velocity is reached The maximum velocity is maintained for a required amount of time and then decremented by the same acceleration...
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AN0843 speed control of 3 phase induction motor using PIC18 microcontrollers
... frequency being increased up to the base speed At base speed, the voltage and frequency reach the rated values as listed in the nameplate We can drive the motor beyond base speed by increasing the frequency ... designated for PWM3 is cleared As a result, the software and hardware PWMs have the same frequency The software PWM will lag by a fixed delay compared to the hardware PWMs To minimize the phase lag, ... DS0084 3A - page 17 M WORLDWIDE SALES AND SERVICE AMERICAS ASIA/PACIFIC Japan Corporate Office Australia 2355 West Chandler Blvd Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical...
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Báo cáo y học: "Spontaneous Hemoperitoneum Caused By a Diverticulum of the Sigmoid Colon"
... remaining colon wall was normal, but the bowel preparation was poor The invagination of diverticulum has an advantage over diverticulectomy in that it minimizes bowel leakage [15] Moreover, invagination ... which makes its wall weak, as compared to the small intestine that is formed of the inner circular and outer longitudinal muscle layers The vasa recta, which supply the mucosa and submucosa of ... preparation The bleeding was controlled by #3-0 Vycryl intracorporeal suture, and the invagination of the diverticulum was performed laparoscopically The recovery was uneventful, and the patient...
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Báo cáo y học: "Cell Cycle Arrest by a Natural Product via G2/M Checkpoint"
... demonstrated that CKBM is able to inhibit cell proliferation in human gastric cancer cell line, AGS The data from a subcutaneous implantation model of gastric cancer tissue was also agreeable to ... Introduction Pharmaceutical research of traditional Chinese medicines on cancer prevention and treatment has attracted much attention There are a number of herbs that have shown to have the abilities ... cancer cell line (AGS) before and after CKBM treatment using Western blot analysis Materials and Methods Cell culture Human gastric cancer cell line (AGS) was obtained from American Type Culture...
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ESTROGENIC ACTIVITY LEVEL OF NAKDONG RIVER BASIN AND ITS CONTROL BY WATER TREATMENT PROCESSES
... estrogenic activity of natural water by Yeast two-hybrid system, Doctoral dissertation, Hokkaido University, Japan, 2001 (in Japanese) Byoung-Cheun Lee, Motoyuki Kamata, Yasushi Akatsuka, Makoto Takeda, ... Alkylphenol-ethoxylates (APE), Ethinylestradiol (EE2) using Enzyme-Linked Immunosorbent Assay (ELISA, TAKEDA, JAPAN) kit applied by the antigen-antibody reaction was analyzed Seoul Andong Daegu Busan Andong Waegwan ... mainstream, points in branch streams, water treatment plants, and sewage treatment plants one each from the upstream of Andong area to downstream of Busan area of Nakdong river basin Estrogenic activity...
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Treatment of Textile Wastewater by a Coupling of Activated Sludge Process with Membrane Separation
... COMPRESSED AIR INFLUENT AIR SLUDGE WASTE Fig Schematic Diagram of the Coupling of Activated Sludge Process and Membrane Separation MATERIALS AND METHODS Wastewater preparation The wastewater was obtained ... microorganism ratio (F/M ratio), sludge wastage rate, and sludge settling characteristic in sedimentation tank An increase in biomass concentration will increase degradation rate and reduce the area ... from chemical treatment is classified as a hazardous waste, so it should be treated in a proper way This means that the sludge disposal causes a substantial increase in wastewater treatment cost...
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DMF Decomposition and Nitrogen Removal Performance by a Mesh-Filtration Bioreactor under Acidic Conditions
... of metabolically active bacteria in activated sludge, Microbial Environ., 19, 61- 70 [15] American Public Health Association, American Water Works Association and Water Environmental Federation, ... (2005) Standard method for examination of water and wastewater, 21st ed [16] Japanese Standards Association (1998) Japanese Industrial Standards, JIS K0102 [17] Tarre, S., Beliavski, M., Denekamp, ... with a mesh- filtration unit instead of a membrane) was able to maintain biomass at a very high concentration In this process, stable filtration performance was obtained by intermittent filtration...
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Inactivation of microorganisms in untreated water by a continuous flow system with supercritical CO2 bubbling
... et al., 200 7a) , water was taken from a municipal water filtering plant (Miyoshi, Hiroshima, Japan) prior to being treated for use as tap water The coliform bacteria and total bacterial counts in ... total bacterial count using the standard plate counting method One ml of appropriate dilutions of samples was inoculated in standard plate count agar (Nihon Pharmaceutical Co., Ltd., Tokyo, Japan) ... β-glucuronidase and α-glucosidase, were completely inactivated by the SC-CO2 treatment, whereas phosphatase (alkaline and acid) or naphthol-AS-BI-phosphohydrolase was slightly or a little inactivated...
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Development of DMC controllers for temperature control of a room deploying the displacement ventilation HVAC system
... [19] Hasnain, S.M., Alawaji, S.H., A1 -Ibrahim, A and Smiai, M.S (1999), Application of Thermal Energy Storage in Saudi Arabia International Journal of Energy Research, vol 23, pp 117-124 [20] Zaheer-uddin, ... department of Mechanical Engineering and Materials Science at Washington University in St Louis, MO, USA He is a Fellow of ASME, AIAA, IEEE, and SAE E-mail address: rka@wustl.edu Huijun Gao received ... disturbance By analyzing the temperature at three points in the room and a proper estimation of the environmental disturbance and the heat exchange delay, we have designed a DMC controller to control...
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Divided by a Common Language
... Spanish place names and their American pronunciations: Lajolla, in California El Cajon, in California La Quinta, in California St Augustine, in Florida [la hoy -a] [el ca-hone] [la-keen-ta] [saint ... Kflannelis a washcloth • A cot means a crib • A communicating door is a connecting door • Tariffmeans rate Additionally, in Britain a faucet is called a tap, a twin bed is called a single bed, and ... English language—United States—Glossaries, vocabularies, etc English language—Variation—Great Britain—Handbooks, manuals, etc English language—Variation—United States—Handbooks, manuals, etc...
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