Leidsid 33 sarnast õppematerjali, mis on seotud failiga "Microcontroller homework 07". Need materjalid aitavad sul teemat sügavamalt mõista.
step, stepper, motor, turn, rotor, transistor, teeth, stator, other, through, hybrid, current, than, winding, voltage, shoot, same, permanent, field, lower, bipolar, drive, cross, ground, result, usual, different, pair, position, north, south, torque, lining, there, rotate, usually, supply, steps, size, circuit, turned, upper, between, both, caused225 Wildwood Avenue Woburn, MA 01801-2041 Tel: 781-904-2500 Fax: 781-904-2620 For information on all Newnes publications available, contact our World Wide Web home page at: http://www.newnespress.com 10 9 8 7 6 5 4 3 2 1 Printed in the United States of America Contents Preface ix Introduction xi 1 System Design 1 Dynamic Range 1 Calibration 2 Bandwidth 5 Processor Throughput 6 Avoiding Excess Speed 7 Other System Considerations 8 Sample Rate and Aliasing 11 2 Digital-to-Analog Converters 13 Analog-to-Digital Converters 15 Types of ADCs 17 Sample and Hold 26 Real Parts 29 Microprocessor Interfacing 30 Serial Interfaces 36 Multichannel ADCs 41 Internal Microcontroller ADCs 41 Codecs 42 Interrupt Rate 43 Dual-Function Pins on Microcontrollers 43
7-2.0V; leakage (IR) 1-10 microA/200- 700microA. 5) Idealized characteristic. In view of a very small leakage current in the reverse- bias state and a small voltage drop in the forward-bias state as compared to the operating voltages and currents of a circuit in which the diode is used, the oputput characteristic of the diode can be idealized as shown in the figure. This corner can be used for analyzing the circuit topology, but should not be used for actual circuit design. At turn on, the diode can be considered as an ideal switchbecause it turns on rapidly as compared to transients in the circuit. 6) One of its main applications is in rectifiers, circuits that convert the Alternating voltage or alternating current into direct voltage or direct current. It is also applied in detectors, which find the signals in the noisy operation conditions. The third application is in switching circuits
Electrical Drive SENSORLESS DRIVE POWER FLEX (ALLEN BRADLEY) Jüri Lina 666BMW Group M16 Variant 2 Tallinn 2014 1. Functional Diagram 2. Tables of observations Task Operation/Record Observation 1 Reverse the motor speed. How long Time to reverse was 16 does the motor reverse? seconds 2 2: Set the screen display an Output Minimal: 2.8V Voltage of the inverter. Turning the Maximal: 166V potentiometer, find accessible minimal and maximal voltages. Stop the drive. 3 3 Turn the keypad potentiometer half- Reverse time was 7 way counter-clockwise. Run the drive seconds.
Test VIII - cumulative test by Piigli, Mets, Parker, Kauler "Top delusion" question / answers are red. Test I The induction machines are associated with the names of Dolivo - Dobrovolsky, Tesla. The synchronous machines are associated with the name of Ferraris. The DC machines are associated with the names of Jacobi and Henry. The electromagnetic torque is born in air gap. The torque is proportional to the current in dc motor. Which equations are correct? P = sW; oomega = tuletis fii'st The angular frequency is 2*pi()*n / 60 ja 2*pi()f The motor torque is equal to TL + J * oomega tuletis aja järgi The inductor supplies the motor with flux. The leading companies in the world market of electrical drive engineering are: Mitsubishi. The energy balance is described by energy conservation law. The armature supplies the motor with current. The cheapest and the most reliable is induction motor.
. . . . . 3.25 litres (5.7 pints) Fuel-injected engines with filter change . . . . . . . . . . . . . . . . . . . . . . . 3.85 litres (6.8 pints) Fuel-injected engines without filter change . . . . . . . . . . . . . . . . . . . . 3.60 litres (6.3 pints) Fuel tank All models (except XR3i and Van) pre-May 1983 . . . . . . . . . . . . . . . . . . 40 litres (8.8 gallons) All other models (except Van) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 litres (10.6 gallons) Van . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 litres (11.0 gallons) Cooling system 1.1 litre OHV engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.7 litres (11.8 pints) 1.1 litre CVH engine: With small radiator . . . . . . . . . .
explanation of operating procedures for the Programming Consoles. It also introduces the capabilities of the SYSMAC Support Software (SSS). Read this manual first to acquaint yourself with the CPM1A. The CPM1/CPM1A/CPM2A/CPM2C/SRM1(-V2) Programming Manual (W353) provides detailed descriptions of the CPM1A’s programming functions. The SYSMAC Support Software Operation Manu- als: Basics and C-series PCs (W247 and W248) provide descriptions of SSS operations for the CPM1A and other SYSMAC C-series PCs. The SYSMAC-CPT Support Software Quick Start Guide (W332) and User Manual (W333) provide descriptions of ladder diagram operations in the Windows environment. The WS02-CXPC1-E-V72 CX-Programmer Ver. 7.2 Operation Manual (W446) and the WS02-CXPC1-E-V7 CX-Programmer Ver. 7.2 Operation Manual: Function Blocks/Structured Text (W447) provide details of operations for the WS02-CXPC1-E CX-Programmer. The CompoBus/S Operation Manual (W266) pro-
Mitsubishi · · The electromagnetic torque is born in air gap · What kind of drives the majority of drive systems present low accuracy · The induction machines are associated with the names of Dolivo-Dobrovolsky Tesla · One of the first eletrical motors has been built by Jacobi · Electromagnetic efficiency is measured in tesla · Time constants are measured by ms s hours · Who is the author of the first electrical motor Henry · Which rectifier cannot be built without a transformer 3-phase midpoint · Call the benefits of 3-phase rectifiers upon the 1-phase ones output voltage · Which rectifier has more diodes 3-phase bridge · In the case of high-pass filter before the load, what can you tell about the current higher · What is the difference between the construction and operation of a rectifier and an inverter input wave output wave
Used for ballistic calculations for the military & for calculations for the thermonuclear bomb. START OF PROJECT: 1943 COMPLETED: 1946 PROGRAMMED: plug board and switches SPEED: 5,000 operations per second INPUT/OUTPUT: cards, lights, switches, plugs FLOOR SPACE: 1,000 square feet PROJECT LEADERS: John Mauchly and J. Presper Eckert. 1947 Three scientists at Bell Telephone Laboratories, William Shockley, Walter Brattain, and John Bardeen demonstrate their new invention of the point-contact transistor amplifier. Kordamine: raadiolambi tööpõhimõte Vacuum Tube (1906, Lee Deforest) Three elements device used as Anood Võrk electronic switch and amplifier: two electrodes separated by a grid
The system can work in two modes, automatic and manual, the latter of which can also work in two separate sub- modes that must be selected for each crosswalk individually. DESCRIPTION The control system consists of 2 Mitsubishi AL2 controllers. Each controller has: 8 buttons to navigate in the menu 1 display 3 switches used to change the mode 1 switch to turn controller on and off See the image below. The model consists of three streets Main Street, which, as the name suggests, has the de-facto right of way. It is crossed by Second Street and Third Street, and also has a pedestrian crosswalk crossing it with a button to prompt the light switching. Third Street has a parking lot at the end of it. The system keeps track of cars entering and exiting the lot, and a traffic light will inform the driver when the lot is available.
and John's houses. house. The man stood The climbers The man stood The enemies stood The gardners next to the gopher stood on top of between the two opposite each stood behind the and held the the mountain. enemies. other. pumpkins. umbrella over it. The man looked The man wrote The man looked The man looked The manager sat at through the the address on the at the mail in the at the clock on the his desk on his telescope in his package. post box. wall. chair. hands. Viljandi 2009
going stay bolts. Two central bores, one at the top and one halfway down inside the cylinder block, enclose the cylinder liner. The upper part of the cylinder block forms part of the cooling water space around the central part of the cylinder liner, whereas the lower part forms the scavenge air space. A central bore in the bottom of the cylinder block encloses the piston rod stuffing box. The bottom is double with a hollow space through which cooling water is circulated. On the exhaust side of the cylinder block there is a circular opening leading into the longitudinal scavenge air receiver of the engine. Furthermore, there is an inlet pipe for cooling and lubricating oil. The cylinder block is provided with cleaning and inspection covers for the cooling water and scavenge air spaces. VOCABULARY tighten tihendama, pingutama , stay bolt ankrupolt bore ava; puurima ;
cooling, cleaning, preparing food, transportation, and communication devices. They discovered that the amount of energy used for any purpose could be measured in different ways. Light bulbs are measured in watts. Air conditioners and hot water heaters are measured in BTUs, while energy used by cars is measured in gallons of fuel. They used a spreadsheet to figure out how much energy they consumed for each of their activities. Each of the lights, car miles, games, and other appliances was converted to a common unit of power consumption called kilowatt-hours. The spreadsheet was used to determine how many kilowatt-hours were used during each day, each week, and each year for each energy consumption activity. The spreadsheet converted their energy consumption to show them the amount of money it costs for each energy consumption activity. In the end, they were shocked to see how much money Jules' energy using habits cost compared to Les' habits. USES OF ENERGY
-DC, synchronous 5. What types of motors have the slip rings? -induction 6. What types of motors are the brushless motors? -DC, synchronous 7. What orthogonal reference frames do you know? -(,)stator; (d,q)rotor;(x,y)arbitrary 8. What natural reference frames do you know? -3 phase 9. What stationary reference frames do you know? -stator 10. Write the frequency equilibriums that you know. -induction:w1=w2+w12;synchronous:w1=w12;DC:w2=-w12 11. What is the result of the mutual motion of the stator and rotor windings? -torque??? 12. What variables does the flux depend on? -L12 I12? L ja I 13. Write the formulae of the synchronous speed. -2*pii*f1/p 14. Write the formulae of the motor speed. -2*pii*n/60 15. If the stator EMF is 150 and the stator flux is 30, what will be the stator field frequency? - 16. If the rotor EMF is 150 and the rotor flux is 30, what will be the slip frequency? - 17. If the slip frequency is 150 and the rotor EMF frequency is 30, what will be the stator field
Value-chain analysis: sequence of business functions in which customer usefulness is added to products and services. 1. Research and development 2. Design of products, services, or processes 3. Production 4. Marketing 5. Distribution 6. Customer service. Supply chain describes the flow of goods, services, and information from the initial sources of materials and services to the delivery of products to consumers, regardless of whether those activities occur in the same organization or in other organizations. Five step decision making process: 1. Identify the problem and uncertainties. 2. Obtain information. 3. Make predictions about the future. 4. Make decisions by choosing among alternatives. 5. Implement the decision, evaluate performance, and learn. Steps 1-4 are collectively referred to as planning. Planning comprises selecting organization goals, predicting results under various alternative ways of achieving those goals, deciding how to attain them
circuit at PISO output disabled during transmission of SOF, EOF · receive circuit: if `111110' synchronization achieved when sender transmits preamble allows other nodes to within the device having that hardware interface. LCP Frame types detected -> remove `0' prior to input into SIPO normally FCS data (prior EOF) subjected to same bit obtain bit synchronization. 3. scheme: bit-encoding violations ( also used w/ SAPs are 7b: shortage -> SNAP above LLC stuffing LANs) · 1
Powerlifting Powerlifting is a strength sport, consisting of three events: Squat Bench press Deadlift Each competitor is allowed three attempts on each lift. The lifter's best valid attempt on each lift counts toward his competition total. Competitors are judged against other lifters of the same gender, weight class, and age. Powerlifting requires specialized training techniques that are focused on strength and explosive power. Traditional training methods dictated low repetitions with maximal weight. History Started to develop in the late 19th century, when weightlifting was just beginning to develop as a sport . Led by the United States and Great Britain, the International Powerlifting Federation (IPF)
25 B) 25/8 = 3.125 C) 15/8 = 1.875 Vref R f (4S2 2S1 S0 ) 5(4S2 2S1 S0 ) VOut 8R 8 Question 16 Pulse-Width Modulation (PWM) is a commonly used technique for controlling power to inertial electrical devices and DC motors. The PWM switching frequency has to be much faster than what would affect the load on the DC motors. 1. Draw the motor current and the motor voltage characteristic during the operation with a constant PWM signal of 50% duty cycle. 2. Recommend the suitable range of frequency for this PWM applied in mictrocontrollers. Analyze the advantages and disadvantages of PWM systems. Solution: 1. Draw the PWM signal of 50% duty cycle for the motor current and voltage: UMotor 50% On & 50% Off
. In fact, the term "turbocharger" is a shortened version of "turbo-supercharger," its official name. The turbocharger is bolted to the exhaust manifold of the engine. The exhaust from the cylinders spins the turbine, which works like a gas turbine engine. The turbine is connected by a shaft to the compressor, which is located between the air filter and the intake manifold. The compressor pressurizes the air going into the pistons. The exhaust from the cylinders passes through the turbine blades, causing the turbine to spin. The more exhaust that goes through the blades, the faster they spin.On the other end of the shaft that the turbine is attached to, the compressor pumps air into the cylinders. The compressor is a type of centrifugal pump -- it draws air in at the center of its blades and flings it outward as it spins. In order to handle speeds of up to 150,000 rpm, the turbine shaft has to be supported very carefully
But you shouldn't forget to insure your parcel in case there is something valuable. H: - Then, we shouldn't forget about telegrams! Urgent, express, photo, greetings...They are so useful if we really need to say something to those who are far! J: - And very pleasant moment we can cash our money orders!!! 2.Making a trunk call H: - I what to make a trunk call, so I'm calling to switchboard. Hello! I'd like to book a trunk call. Could you put me through to Moscow? J: - Of course. Give me the number of subscriber. Ah, well... The line isn't engaged, but nobody picks up the receiver. H: - Oh, I've forgotten to ask do you have a system of paying by the minute? J: - Yes, you are right. And don't forget that every subscriber should pay the telephone bill in time. H: - Oh! If you don't put me through to Moscow in 15 minutes, I'll have to cancel my order! J: - Hey! Are you there? The Moscow is on line! H: - Thank you! 3
5 (possible answers) she was my age and apart from the 1 1 go ahead 5 come to eighties hairstyle we're the spitting 1 Well, you will go to bed late every night. 2 fall through 6 bring about image of each other! Some people 2 Well, you will refuse to wear a 3 tip off 7 go down with say that they can see a strong family coat. 4 mistake for 8 come up with resemblance between my dad and me.
" "I don't know if I'll make it back in time." I gestured at my yoga pants and fitted workout tank. "After I time the walk to work, I'm going to hit the gym." "Walk fast, work out faster." Cary's perfectly executed arched brow made me laugh. I fully expected his million-dollar face to appear on billboards and fashion magazines all over the world one day. No matter his expression, he was a knockout. "How about tomorrow after work?" I offered as a substitute. "If I make it through the day, that'll be worth celebrating." "Deal. I'm breaking in the new kitchen for dinner." "Uh..." Cooking was one of Cary's joys, but it wasn't one of his talents. "Great." Blowing a wayward strand of hair off his face, he grinned at me. "We've got a kitchen most restaurants would kill for. There's no way to screw up a meal in there." Dubious, I headed out with a wave, choosing to avoid a conversation about cooking. Taking
Describe the British Parliament Works in a large building called the Palace of Westminster aka The Houses of Parliament. There are offices, committee rooms, restaurants, bars, libraries and even some places of residence. Two large rooms: The House of Lords meet in one and the House of Commons in the other. The British Parliament is divided into two houses, but the House of Commons is obviously more important and only they are considered to be the MPs. In the House of Commons there are just two rows of benches facing each other. On the left sit the members of the governing party and on the right sit the opposition. The Speaker sits between them and controls the action. The arrangement of the benches encourages confrontation between the government and the opposition. There is no place for somebody
5 If you don't need the gloves immediately, it's ... to wait until the sales start. 6 It's wise to remember the birthdays of your family and friends. 7 Gina's mum was puzzled to hear about the broken window. 8 I was ... to have a matchbox on me, so we could light a candle. 6. Translate. 1 Ma asun teele. Kohtumiseni homme! I'm off, see you at home! 2 Võta aega ja mõtle see läbi enne, kui vastad. Take your time and thing it through, before you answear. 3 Mis lahti? Kas te kaklesite? What's up? Fighted you? 4 Mul tuli hea mõte. Miks me ei võiks üllatuspidu teha? I hit upon an idea, why couldn't we do the sürpriise party? 5 Eddie ja Lara vahel tekkis pinge. The tention was building up between Eddie and Laura. 6 Et endid lõbustada, hakkasime naljalugusid rääkima. To cheer ourselves up, we tõld the funny stories. 7 Carrie silmad olid täis pisaraid kui ta luges oma venna kirja.
Motion Graphics is a piece of video which is created digitally in a computer and as the name refers bases on moving graphical elements. These elements can be images, text, graphical designs or a multidimensional imagery. But this term should not be confused with another term ,,animation". Line between these two is a bit blurred. Animation often is only giving life to the characters and scenery. Also, it can be done in real world with physically created sets. Motion graphics on the other hand can be only created in digital world and could include animation. But also there are more two very important aspects desing and cinematohraphy. Therefore when talking about motion graphics it means moving graphycally created elements in a beatiful way. Motion graphics is pretty recent platform compared to a graphical design for example. It evolved after computers were invented, hence it is only possible to it on computer. In modern
In recent years, it seems that perception how one is perceived by others has become critically important to success for managers. You need to understand how others see you. As a start, you might ask during assessment or appraisal meetings to have the papers put aside for a moment and get an honest, off-the-record assessment of how you are perceived generally. Managing your time It is critical, therefore, that you devise a strategy for dealing with time. The first step is to commit to a specific plan for how you allot your time. This can cover a host of areas short term or long term, personal or business. Although the above may seem obvious, it is still worth starting without a conscious plan people tend to be reactive. Above all, being in a control of your time will lead to increased self-confidence and peace of mind and, best of all, with a bit of self-discipline and thought it can be achieved by anyone. How you use your
sentence? · If you move the element to a different position in the sentence, does the sentence still make sense? If you answer "yes" to one or more of these questions, then the element in question is nonessential and should be set off with commas. Here are some example sentences with nonessential elements: Clause: That Tuesday, which happens to be my birthday, is the only day when I am available to meet. Phrase: This restaurant has an exciting atmosphere. The food, on the other hand, is rather bland. Word: I appreciate your hard work. In this case, however, you seem to have over-exerted yourself. 4. Do not use commas to set off essential elements of the sentence, such as clauses beginning with that (relative clauses). That clauses after nouns are always essential. That clauses following a verb expressing mental action are always essential. That clauses after nouns: The book that I borrowed from you is excellent. The apples that fell out of the basket are bruised.
Mary put her best dress on. (separable) to produce; perform The theater group put on a great show. (separable) to fool; mislead for amusement You're putting me on! PUT OUT (separable) to extinguish The firefighters put the fire out. (separable) to publish; issue The government put out a news brief to misinform the public. (separable) to exert, extend The workers put out considerable effort to get the job done on time. (separable) to expel Please put the cat out. PUT THROUGH (separable) to implement; bring to a successful conclusion The committee was unable to put through any reforms on campaign financing. (separable) to make a telephone connection for Operator, put me through to the president! PUT UP (separable) to raise; erect; build The construction workers put the buildings up in just a few days. (separable) to accommodate; provide food a shelter to The government put the refugees up in temporary housing. PUT UP WITH (inseparable) to tolerate
You've probably heard that drugs are bad for you, but what does that mean and why are they bad? Medicines Are Legal Drugs If you've ever been sick and had to take medicine, you already know about one kind of drugs. Medicines are legal drugs, meaning doctors are allowed to prescribe them for patients, stores can sell them, and people are allowed to buy them. But it's not legal, or safe, for people to use these medicines any way they want. Cigarettes and Alcohol Cigarettes and alcohol are two other kinds of legal drugs. (In Estonia, adults 18 can buy cigarettes and alcohol.) But smoking and excessive drinking are not healthy for adults and off limits for kids. Nicotine is the drug in tobacco leaves. Whether someone smokes, chews, or sniffs tobacco, he or she is delivering nicotine to the brain. Each cigarette contains about 10 milligrams of nicotine. Nicotine is what keeps people smoking despite its harmful effects. Because the
1. FIRST SIGHT My mother drove me to the airport with the windows rolled down. It was seventy-five degrees in Phoenix, the sky a perfect, cloudless blue. I was wearing my favorite shirt -- sleeveless, white eyelet lace; I was wearing it as a farewell gesture. My carry-on item was a parka. In the Olympic Peninsula of northwest Washington State, a small town named Forks exists under a near-constant cover of clouds. It rains on this inconsequential town more than any other place in the United States of America. It was from this town and its gloomy, omnipresent shade that my mother escaped with me when I was only a few months old. It was in this town that I'd been compelled to spend a month every summer until I was fourteen. That was the year I finally put my foot down; these past three summers, my dad, Charlie, vacationed with me in California for two weeks instead. It was to Forks that I now exiled myself-- an action that I took with great horror. I detested
histories give it but passing mention. Churchill's great history of World War II has been cleaned of every single reference to Allied communications intelligence except one (and that based on the American Pearl Harbor investigation), although Britain thought it vital enough to assign 30,000 people to the work. The intelligence history of World War II has never been written. All this gives a distorted view of why things happened. Furthermore, cryptology itself can benefit, like other spheres of human endeavor, from knowing its major trends, its great men, its errors made and lessons learned. I have tried in this book to write a serious history of cryptology. It is primarily a report to the public on the important role that cryptology has played, but it may also orient cryptology with regard to its past and alert historians to the sub rosa influence of cryptanalysis. The book seeks to cover the entire history of cryptology
misunderstanding, since both humans and modern apes are descendants of a mutual ancestor that is now extinct. It's not evolution but the theory of natural selection and the evidence he collected to prove to fellow scientists, peers, students, and most importantly the masses of public and the church that were at the heart of Darwin's contribution to biological science. Charles Darwin did not invent the concept of evolution. A number of prominent scientists and other thinkers during the eighteenth century and the first half of the nineteenth century (among them Charles Darwin's grandfather, Erasmus Darwin) had offered detailed theories of evolution (Clark, 1984, pg.24-25). Therefor the idea of evolution went very far back in Western history. At that time this concept was referred to as The Great Chain Of Life and was conceived in the middle ages, based on a mixture of classical and Biblical ideas. The ranking order ranged from
and using a hybrid car. They do make a statement by being compact and fuel efficient, but also carry various issues. Why to purc has e a hybrid c ar? 1. Made of lightweight materials hybrids are small in size. The engine is designed to be fuel efficient. When the car halts at a signal, the engine will automatically shut down and restart when the car shifts into gear. 2. These cars have the advantage of being powered by a gasoline engine and an electric motor that takes care of acceleration. 3. The batteries of the electric motor recharge automatically by harnessing the kinetic energy produced during braking. 4. Hybrid car engines produce less emission, give better mileage, idle less, and are fuel efficient. Why to purc has e a hybrid c ar? 5. The aerodynamic design reduces drag and the tires are made of a special rubber that reduces friction. 6. The battery has high capacity and is made of nickel-metal- hydride
Which is worse, the book makes young girls long for that kind of a creepy, overprotective and somewhat abusive partnership. It sends out a message, that it's perfectly fine, even romantic, to have a boy secretly watch you in your sleep for two months and that it's okay to feel dependant on or possessive about another person a person, who they have nothing in common with and have really nothing to talk about, besides their feelings for each other and the fact that he might turn batsh#t and eat her any second. And she, instead of running at the door, or at least acknowledgning the irresponsibility for her own life, carries on marvelling over his bronze hair, marble skin, sweet breath, sculpted chest and every other part of his finely toned body, that is repeatedly described in purple prose. I do not hate ''Twilight'', nor do I disrespect the people who really like the book , I've just
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