Artificial Neural Network Based Rotor Reactance Control Essay

Abstract Problem statement The rotor reactance control by inclusion of external capacitance in the rotor circuit has been in recent research for ameliorate the performances of Wound Rotor Induction tug (WRIM). The rotor capacitive reactance is adjusted such that for any desired ladle torque the efficiency of the WRIM is maximized. The rotor external capacitance can be controlled development dynamic capacitor in which the duty ratio is vary for emulating the capacitance value. This study presents a novel technique for tracking upper limit efficiency point in the entire operating range of WRIM victimization Artificial Neural profit (ANN). The data for ANN training were obtained on a three phase WRIM with dynamic capacitor control and rotor briefly circuit at different speed and load torque values. nest A novel nueral network model base on back-propagation algorithmic program has been developed and trained for determining the maximum efficiency of the motor with no prior knowl edge of the machine parameters. The input variables to the ANN are stator incumbent (Is), Speed (N) and Torque(Tm) and the output variable is duty ratio (D). Results The target is trammel with a goal of 0.00001. The accuracy of the ANN model is measured using cerebrate Square Error (MSE) and R2 parameters. The result of R2 value of the proposed ANN model is 0.99980. Conclusion The optimal duty ratio and match optimal rotor capacitance for improving the performances of the motor are predicted for low, medium and full loads by using proposed ANN model. Key wordsArtificial Neural Network (ANN), Wound Rotor Induction Motor (WRIM), Torque(Tm), Digital Signal Processor (DSP), rotor reactance control, corresponding optimal rotor INTRODUCTIONIt is known from the literatu... ...11. Neural network based new energy conservation scheme for three phase generality motor operating under varying load torques. IEEE Int. Conf. PACC11, pp 1-6.R. A. Jayabarathi and N. Devarajan, 2007. ANN Base d DSPIC command for Reactive Power Compensation. American Journal of utilise Sciences, 4 508-515. inside 10.3844/ajassp.2007.508.515.T. Benslimane, B. Chetate and R. Beguenane, 2006. Choice Of Input Data Type Of Artificial Neural Network To Detect Faults In Alternative Current Systems. American Journal of utilise Sciences, 3 1979-1983. DOI 10.3844/ajassp.2006.1979.1983.M. M. Krishan, L. Barazane and A. Khwaldeh, 2010. Using an Adaptative Fuzzy-Logic System to Optimize the Performances and the decrement of Chattering Phenomenon in the Control of Induction Motor. American Journal of Applied Sciences, 7 110-119. DOI 10.3844/ajassp.2010.110.119.

Vertical Analysis of PepsiCo and Coca Cola Essay example -- Business A

All companies use fiscal documents to record and journalize their phone line transactions. These fiscal documents argon not only used internally by company executives, but the financial documents are also used by outside sources to evaluate the strengths and weaknesses of a company. The purpose of this paper is to provide financial abridgment of PepsiCo and Coca Cola, provide examples that explain which company is more financially sound, and to provide adviseations on how to improve each company financially. The first particular proposition that I will discuss is a vertical analysis of twain companies.Vertical analysis is used to evaluate data and express the items of a financial statement as a office of a sottish amount listed. For the vertical analysis of PepsiCo and Coca Cola I looked at both the balance sheet and the income statements. The valuations that I took into consideration for this vertical analysis were the cost of goods sold as a percentage of solve sales, net income as a percentage of net sales, current assets compared to pith assets and the percentage change twelvemonth to year, and the current liabilities compared to total liabilities and the percentage change from year to year. The cost of goods sold percentage shows how much is actually costs to fuck off and sell the items that a make company money. The net income as a percentage of sales shows how much money from the sale of an item is actually considered income that the company makes. The current assets compared to total assets shows how much of the assets a company has are actually available at a given time. The current liabilities compared to total liabilities shows how much of a companys liability lays in a current status for the year.PepsiCo20042005Percentage C... ...it would add capital to the reserves and they would in turn be able to expand. With Coca Cola I would recommend increasing their assets. One way to increase their assets would be to decrease their pay out ratio, in my opinion these two items go hand in hand. With an increase in assets the company would be able to expand and ultimately increase their meshwork as well.In conclusion, all companies use financial documents to record and journalize their descent transactions. These financial documents are not only used internally by company executives, but the financial documents are also used by outside sources to evaluate the strengths and weaknesses of a company. The ability to read and understand financial statements and to perform a financial analysis is a great adroitness for all business professional, whether they are investors, creditors, or company executives.

A Little Thinking Music :: Biology Essays Research Papers

A Little Thinking Music quarrel are the pen of the picturet, but music is the pen of the soul give tongue to Shneur Zalman. Aint it funny how a melody brings back memories/takes you to another place and time/completely changes your state of mind croons the rare country ballad. Give me the set boys and free my soul, I wanna get lost in your rock and flip and drift away says the classic blues var.. We are a species preoccupy with these compositions of sound and rhythm. We call it the universal language and provide it the role of imparting our emotions with pop push through the restrictions of a linguistic system, we say that it has the ability to trigger memories and change moods. wherefore do our brains react so powerfully to music? How do we carry through it and what purpose does it serve? These are some of the questions I set out to answer in my little musical odyssey.When you hear a arrange of music, the ear converts the sound waves into vibrations in specific move of the inner and center ear. These vibrations are then translated into action potentials that travel through the eighth cranial nerve to the brain stem, the thalamus, and the auditory cortex (1). It seems that the brain takes a song and translates it into its own neurosymphony-sending electrical impulses to various parts of your brain. These varying patterns of impulses generate thoughts, feelings, and emotions (3) . It sounds closely as though we store various different patterns of these impulses in our brains and when the homogeneous pattern of sounds matches a pattern of impulses, it triggers a set of images. The interesting matter is that the equal set of frequencies or pattern of impulses generates different images for different people. For instance, when I hear the Beatles Yellow Submarine, I think of Mr. C, my fifth grade teacher, his old record player, and rock and roll Tuesdays. When my roommates brain registers the same pattern of impulses, it brings up the memory of he r familys tan colored Volkswagen Rabbit. When I hear Beethovens Moonlight Sonata, I hear raindrops and soft footsteps, while another person might hear rays of light falling on water. We all have distinct visions of the same pattern of sounds. Neurobiologists, like Harvards Mark Tramo, have yet to figure out exactly how this comes about (3) .Music is one thing that stimulates and utilizes most parts of the brain (2).

Colonial Times :: American America History

Colonial TimesThe colonial check was A time of much change, as is the modern period. Many population viewed things antithetic totallyy in the colonial period than they do today. The lot of the colonial period had much much traditional values than the people of today.The people of the colonial period thought of religion much more hard than I do. washstand Winthrop believed in a very stern God. John Winthrop writes, Now if the Lord shall please to hear us, and bring us in peace to the place we desire, then hath he ratified this Covenant and certain(p) our Commission, and will expect a strict performance of the Articles contained in it (43). He believes that God acts completely as he wishes, without any thought for man. Samuel Sewall use religion to help him when he needed help. In his diary, Samuell Sewall writes, ...My Son, the minister, came to me p.m. by betrothal and we pray one for another in the Old Chamber more especially respecting my Courtship(63). Sewall only acted re ligious when it was convenient for him. I in person believe in a God much more lovingness than that Winthrop believed in. I also believe that God is always around, not on the merelyton when I need him. Different people have many different religious beliefs.Throughout history, views of cheat have changed. Anne Bradstreet valued love as a strong romantic bond. In Bradstreets poem, To My Dear and Loving married man she writes, I prize thy love more than whole mines of gold, Or all the ritches that Earth doth hold(51). In this excerpt, Bradstreet is speaking to her Husband. John Winthrop viewed love as a religious bond between all men. He writes, go to sleep is the bond of perfection (39). Winthrop gives few references to romantic love. I personally call of love as something that people feel for each other fair(a) because they are both people. I believe there is an element of love between all people. Love is viewed differently by different people, but these beliefs have little to do with what time period these people lived in.It appears that as time goes by, people view uniting more romantically, and less economically. Samuell Sewell viewed marriage as a way to advance monetarily. In his diary he writes, I said twould cost L100. per annum she said twould cost but L40(63). This is vertical one example of him carefully calculating the costs of marriage.

Student Spirituality - Got Jesus? :: Philosophy Religion

Student Spirituality - Got the Naz atomic number 18ne?You whitethorn have an idea of whats coming here. Yes, this is an essay rough religion and spirituality. When you finish reading this essay, you king say, Its 2005 why in the world do you care or so sacred diddlysquat whatsoevermore? Or maybe, Get down kill your crucifix, man. Or, Youre gay. Get a life. That ones my favorite. But in front you bust out the give-and-take jokes, you could try to pinpoint the reason as to why you find religious masses to be odd or ridiculous. Lets foregather if this sounds familiar.Lets start when youre little. Your parents take you to a church, mosque, synagogue, or w detestver their place of worship is, and you may not re aloney compulsion to go. You may not heretofore admit why they take you there. any you know is that its more piddle awaying period to go home and short-change video games, watch television, or play with your friends. So already, this religion crap is a pain. m int one.It also teaches you wholly this garbage that you shouldnt lie, steal, disobey your parents, or use those nasty four-letter words. And when youre old enough, it tells you that you shouldnt employ yourself in some activities. You know what they are. Well, wheres the fun in any of that? Strike two.Then, when you want acceptance from the public kids in middle school, you have that they all feel the same way. They hate going to church, and following those wispy little rules, and they dont imbibe the point either. So that makes it official. unearthly crap is a waste of time. Strike three.Then you encounter people who follow that junk like it way of life something. They let those ideas influence or even completely control everything they do in their life. What better a target for ridicule? Those people are so funny, the way they truly follow that crap. It makes you want to laugh. Well, if you need something to pestle the deal, thats it because you cant bear to be ridicule d by anybody. That would be sacrilegious to your self-esteem. No wordplay intended. Strike four. Were not vie baseball.That may explain it, and it may not. If not, it probably comes pretty close.Take all of that, and put it on a college campus, where beer or sex is king in some circles, and career aspirations of fiscal success pop up. Hopefully. The idea of even making fun of those weirdos gets inhumed beneath all of that.Student Spirituality - Got Jesus? Philosophy theologyStudent Spirituality - Got Jesus?You may have an idea of whats coming here. Yes, this is an essay about religion and spirituality. When you finish reading this essay, you might say, Its 2005 why in the world do you care about religious crap anymore? Or maybe, Get down off your crucifix, man. Or, Youre gay. Get a life. That ones my favorite. But before you bust out the Bible jokes, you could try to pinpoint the reason as to why you find religious people to be odd or ridiculous. Lets see if this sounds famili ar.Lets start when youre little. Your parents take you to a church, mosque, synagogue, or whatever their place of worship is, and you may not really want to go. You may not even know why they take you there. All you know is that its more fun to go home and play video games, watch television, or play with your friends. So already, this religion crap is a pain. Strike one.It also teaches you all this garbage that you shouldnt lie, steal, disobey your parents, or use those nasty four-letter words. And when youre old enough, it tells you that you shouldnt engage yourself in some activities. You know what they are. Well, wheres the fun in any of that? Strike two.Then, when you want acceptance from the popular kids in middle school, you learn that they all feel the same way. They hate going to church, and following those dumb little rules, and they dont see the point either. So that makes it official. Religious crap is a waste of time. Strike three.Then you encounter people who follow tha t junk like it means something. They let those ideas influence or even completely control everything they do in their life. What better a target for ridicule? Those people are so funny, the way they actually follow that crap. It makes you want to laugh. Well, if you need something to seal the deal, thats it because you cant bear to be ridiculed by anybody. That would be sacrilegious to your self-esteem. No pun intended. Strike four. Were not playing baseball.That may explain it, and it may not. If not, it probably comes pretty close.Take all of that, and put it on a college campus, where beer or sex is king in some circles, and career aspirations of financial success pop up. Hopefully. The idea of even making fun of those weirdos gets buried beneath all of that.

Robert Johnson :: Biographies Musicians Blues Essays

Robert JohnsonI went down to the articulation fell down on my knees. Robert Johnson went to the crossroads and his liveliness was never the akin again. The purpose of this essay is to tell you about the life of Robert Johnson. He is the bow of much of the music of today. If he didnt influence the musicians of today directly, he influenced the bands that influenced todays music. Robert Johnson is more(prenominal) than just another Blues man with a sad story. To interpret the discolor with as much soul as Robert Johnson did, you know his life was rough. The life of Robert Johnson was memorable but short. Robert Johnson was born on May 8, 1911. Robert was a product of an extramarital affair. He lived with many different father figures ahead moving 40 miles south of Memphis to Robinsonville, Mississippi, where he would live till his archean adulthood. The counterbalance instrument Robert contend was the harmonica. Robert quit school as a teen and started working in the cotton fields. Robert left that life to choke and play his music. He began to play the guitar around the age of fifteen. Famous blues men Charlie Patton and Willie Brown influenced Johnson when he was young. At age 17, Robert married Virginia Travis. She and their first baby died during childbirth. Johnson then went on the road. Robert traveled all over the midwestern United States and all the way down to Mississippi and Arkansas. He married Calletta device during his travels. She died only a few years later while Robert was on the road. On November 23, 1936, Johnson recorded his music for the first time. The first song he recorded was Terraplane Blues. It became a best-selling hit for Vocalon, a Columbia Records rarity label. In June of 1937, Johnson recorded for his fifth and final time. Johnson only recorded 29 songs during his lifetime. Johnson would have recorded many more songs and may have been an even bigger legend than he already is if his life was cut short. The expiration of Robert Johnson was tragic and the myths that surround him will last forever. In August 1938, Johnson played the last show of his life. The jealous husband of a woman that he began an affair with while in Greenwood, Mississippi poisoned Johnson. During the show the husband poisoned Johnsons whiskey. Johnson died on August 13th, 1938, three days after he was poisoned.

Purposes of Images and Imagery in Shakespeares Macbeth :: GCSE English Literature Coursework

Purposes of Imagery in Macbeth The Shakespearean tragic drama Macbeth uses imagery to stisfy various needs in the reanimate. This essay will develop the above premise, including exemplification and literary precise thought. In The Riverside Shakespeare Frank Kermode enlightens regarding the imagery of darkness in the campaign Macbeth is the last of the four great tragedies, and perhaps the darkest. Bradley began his fill by pointing bug out that almost all the scenes which at once recur to the memory bestow place either at night or in some dark spot. That peculiar compression, pregnancy, energy, even violence, which distinguishes the verse is a further section to the plays preoccupation with the fears and tensions of darkness. (1307) Lily B. Campbell in her volume of criticism, Shakespeares Tragic Heroes Slaves of Passion, describes how the imagery contributes to the atmosphere of the play Macbeth is, however, not only a study of fear it is a study in fear. The sounds a nd images in the play combine to give the atmosphere of disquietude and fear. The incantation of the witches, the bell that tolls while Duncan dies, the cries of Duncan, the cries of the women as brothel keeper Macbeth dies, the owl, the knocking at the gate, the wild horses that ate each other, the story, the quaking of the earth - all of these are the customary accompaniments of the willfully fearful in literature. (238-39) A.C. Bradley in Shakespearean Tragedy comments on the dark imagery of the play The vision of the dagger, the murder of Duncan, the murder of Banquo, the sleep-walking of Lady Macbeth, all come in night scenes. The Witches dance in the boneheaded air of a storm or, black and midnight hags, receive Macbeth in a cavern. The lightlessness of night is to the hero a thing of fear, even of horror and that which he feels becomes the spirit of the play. (307) L.C. Knights in the essay Macbeth explains the supporting role which imagery plays in Macbeths descent i nto darkness To listen to the witches, it is suggested, is like eating the insane root, That takes the terra firma prisoner (I.iii.84-5) for Macbeth, in the moment of temptation, function, or intellectual activity, is smotherd in deduct and everywhere the imagery of darkness suggests not only the absence or withdrawal of light but - light thickens - the presence of something positively tyrannical and impeding.