Design of Traffic Light System

Design of Traffic Light System Contents Task 1 Design Specification Design 1 Complete Block Diagram of the traffic light system State diagram Table Circuit simulation using Multisim software, Task 2 Timing Counter Task 3 Figure 13 (Main red and amber sub amber) Task 4 Remake design LIST IN Tab;e Table 1(State diagramme) Table 2(D type Flip Flop) Table 3(design cost) Table 4(compare table) List in Figure Figure 1: traffic lights system Figure 2(block diagrammed) Figure 3(Moore model) Figure 4 (main red and sub green for 10s) Figure 5 (Main amber and sub red and amber for 2s) Figure 6(main red and sub green for 10s) Figure 7 (Asynchronous counter for timing counter) Figure 8(The Design is 30s counter for main road in Asynchronous counter) Figure 9 (The Design is 20s counter for side road in Asynchronous counter) Figure 10 Main green and sub red Figure 11 (Main amber and sub red and amber) Figure 12 (Main red and sub green) Figure 13 (Main red and amber sub amber) Figure 14(remake design) Design Specification Design specification prepared for a single main and sub -road junction in rural area is given below The green light for the main road will be stay ON for 30s. The green light for the side road will be stay ON for 20s. The amber caution light will say ON for 5s between changes from green to red. Main road and side road timing countdown should display in a 7segment display. Sequence change of the traffic lights show in the Appendix I. The traffic light system for a single main road and sub road junction in a rural area. Complete Block Diagram of the traffic light system Figure 2(block diagrammed) The FSM description stands for Finite state machines. the Finite state machines are the most common controllers of machines. Its In the example Traffic light, the intersection of a main road with a side road is controlled by two traffic lights. FSM has three inputs (T1, T2 and T3) AND six outputs (Rm, Am, Gm, Rs, As and Gs) In here Rm is Red light for main road Am is Amber caution light for main road Gm is Green light for main road Rs is Red light for sub road As is Amber caution light for sub road Gs is green light for sub road T1 time is 30seconds T2 time is 20seconds T3 time is 5seconds Complete Moore model state diagram for traffic light system State diagram Table P.State N.State INPUT Outputs Gm Am Rm Gs As Rs 1 0 0 0 0 1 T1 0 1 0 0 1 1 T3 0 0 1 1 0 0 T2 0 1 1 0 1 0 T3 Table 1(State diagramme) State Assignment in Gray code Here using gray code for states State transection table Here using D type flip flops for design a circuit P.S Q1 Q0 N.S Q1+ Q0+ INPUT Gm Am Rm Gs As Rs 0 0 0 0 0 0 1 0 0 0 0 1 0 1 T1 0 1 0 1 0 1 0 1 0 1 0 0 1 1 1 1 T3 1 1 1 1 1 1 1 1 0 0 1 1 0 0 1 0 T2 1 0 1 0 1 0 1 0 0 1 1 0 1 0 0 0 T3 0 0 Table 2(D type Flip Flop) Simplified equations for the system. From Laws of Boolean Algebra ( The equations are, Circuit simulation using Multisim software, Figure 4 (main red and sub green for 10s) Figure 5 (Main amber and sub red and amber for 2s) Figure 6(main red and sub green for 10s) Timing Counter Figure 10 Main green and sub red Figure 11 (Main amber and sub red and amber) Figure 12 (Main red and sub green) Figure 13 (Main red and amber sub amber) Task 4 Item name quantity Price (Rs) 2 pin AND gate IC 5 120ÃÆ'-5=600 3 pin AND gate IC 2 120ÃÆ'-2=240 2 pin OR gate IC 1 40ÃÆ'-4=40 3 pin OR gate IC 1 40ÃÆ'-1=40 2 pin XOR gate IC 1 40ÃÆ'-1=40 Dual JK FF IC 10 100ÃÆ'-10=1000 Dual D FF IC 1 100ÃÆ'-1=100 DCD 7 Segment decoder IC 5 100ÃÆ'-5=500 7 Segment display 5 50ÃÆ'-5=250 NOT gate IC 2 40ÃÆ'-2=80 Red color LED 2 5ÃÆ'-2=10 Amber color LED 2 5ÃÆ'-2=10 Green color LED 2 5ÃÆ'-2=10 wires 20m 15ÃÆ'-20=300 Power adaptor 2 150ÃÆ'-2=300 Total 3420 Table 3(design cost) Remake design Figure 14(remake design) Compare the cost Item name Previous cost (Rs) New cost(Rs) 2 pin AND gate IC 1ÃÆ'-120 = 120 1ÃÆ'-120 = 120 3 pin AND gate IC 1ÃÆ'-120 = 120 0 XOR gate IC 1ÃÆ'- 40 = 40 0 D type FF IC 1ÃÆ'-100 = 100 1ÃÆ'-100 = 100 Decoder IC 0 1ÃÆ'-100 = 100 NOT gate IC 1ÃÆ'- 40 = 40 2ÃÆ'- 40 = 40 OR gate Ic 1ÃÆ'- 40 = 40 1ÃÆ'- 40 = 40 total 460 400 Table 4(compare table) In new design cost is less than old design Reference à ¯Ã†â€™Ã‹Å"à ¯Ã¢â€š ¬Ã‚  Mano M.M,Michael D.C. (2008).Digital Design.New Delhi:PHI. à ¯Ã†â€™Ã‹Å"à ¯Ã¢â€š ¬Ã‚  Floyd,L.(2011).Digital Fundamentals.10th ed.India:Pearson. p271- 287. à ¯Ã†â€™Ã‹Å"à ¯Ã¢â€š ¬Ã‚  http://www.topssrilanka.com/article24948-new-traffic-ligth-system-atbambalapitiya.html.Lasr à ¯Ã†â€™Ã‹Å"à ¯Ã¢â€š ¬Ã‚  http://www.sundayobserver.lk/2012/06/03/imp01.asp

Clothing in the Awakening

Clothes appear to have significant meaning in The Awakening, enough so that they are mentioned at almost every description of the characters. Edna Pontellier starts the novel fully dressed and appropriately dressed for a woman of her responsibilities, however, at her final moment, she is naked on the beach. Other women in the story also represent their ‘position’ and the way they feel in the way they dress. For example, Madmoiselle Reisz never changes her clothes.This could possibly symbolize her physical detachment from anything around her, including nature and any suppressed feelings. In contrast, Edna’s clothes represent her physical attachment to society. She sheds her clothes the way a snake sheds its skin when it is time for a new one and it does not fit into the old one any longer. Edna doesn’t feel like she can fit into society any longer. Madmoiselle Reisz, on the other hand, does not seem to have any desire to be more than what she has been given in the society in which she lives.Therefore, she does not change her clothes, because she does not feel the need for change in her life. Other characters, such as Madame Leburn always have new clothes to cover their bodies. This could, perhaps, represent the constant need to cover their sexuality as women in suppressed roles as wives and mothers. Ednas’ nakedness at the end of the novel symbolizes her freedom from any claims her children may have on her and shows how her lack of clothes is equal to her lack of ‘responsibility’, of her family and the 1890s’ society.Through the motif of clothes, Kate Chopin suggests that although society can be restricting, in order to have discipline, rules can be necessary. Can be destructive, lack of rules can lead to destruction of self. The symbol of clothing in the story shows the development of her freedom from the harsh rules of the Creole society. In the beginning of the novel, Edna is accustomed to wearing the same clothes as the Creoles. Throughout the story, she is found loosening her collar and trying to remove articles of clothing.After her awakening, Edna becomes restless and starts to neglect the rules placed upon her. As Edna progresses throughout the novel, she discards more and more layers of the confining clothing that surrounds her body and soul. By taking off her clothing, one piece at a time, she is disobeying the rules placed upon her, and in doing so, she exerts her independence. The clothing symbolizes the constraints on the social behavior of women in this era. It restricts Edna and doesn’t allow her body to move. At the beginning of the novel, Edna is fully dressed and in proper clothing.However, when Edna and Adele walk together on the beach, Edna wears less clothing In one example of rebellion, Edna begins to care less about her duties as a woman in a Victorian society and chooses to not wear what society expects of her. â€Å"Mrs. Ponteiller did not wear her usual Tuesday reception gown; she was in ordinary house gowns. † (59) The house gown are less elaborate and involve wearing less clothing than reception gowns, and to Edna, is more comfortable. Although those around her do not approve, she chooses to do what she feels and does this witho5ut hesitation or guilt.

Indian social and political ideas can be traced back to...

Indian social and political ideas can be traced back to the Indus Valley Civilization. Hinduism was a defining religion of the Indus valley culture and remained a key political entity until emperor Ashoka came. He established Buddhism and spread it throughout Asia. The Mauryas rejuvenated Hinduism and Islam even came in the eighth century. The Mughal Empire allowed India to become united despite all the different religions and cultures. However, this did not last long because the Europeans had decided to make claims in India. Europeans wanted to control the Indian trade and they were not afraid of making these claims violently. Loyola University of Chicago wrote, â€Å"It was Europeans use of force that enabled them to penetrate†¦show more content†¦2). The Indians would remain under the control of the Europeans, which mostly included the English. It was not until the late 19th century and early 20th century that a man named Mohandas Gandhi appeared. Gandhi was helpful in driving the British away from India, but it took a long time for him to succeed and it cost him his life. India wanted freedom and their ideals remained mostly the same even through European control for hundreds of years. The Caste System has been a part of India’s culture for a long time and it has caused many social controversies between the higher and lower castes. UCLA wrote, â€Å"The greater majority of the Indian people have no assurance of two nutritious meals a day, safety of employment, safe and clean housing, or such level of education as would make it possible for them to understand their constitutional rights and obligations† (â€Å"UCLA† para. 1). The higher castes believed that lower castes were bad and that association with them was unlucky. They also wanted to conserve their power and that is the reasoning behind the social division. 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Octavius Augustus Ceasars Thirst for Power - 821 Words

Octavius Caesar was known as a cruel, power hungry leader, that had the desire and thirst, to obtain all the power he could. Octavius had such a hunger for power, he wouldn’t let anything stand in his way of getting it. Octavius Caesar, otherwise known as Caesar Augustus, was the first emperor of the Roman Empire. Octavius was born in September of 63 B.C, and died sometime in august of 14 A.D. He lived to be 76 years of age, there are many conspiracies that say his wife may have poisoned him, but most people say he died of natural causes. Caesar had a lot of adoptive children, such as Gaius and Lucius Caesar, Agrippa Postumus and Tiberius. Tiberius is the successor to the throne after Caesar dies. Tiberius took the throne after Octavius died in 14 A.D. Octavius was born into a family with few connections. He was a sickly child; he was small in stature, with bad teeth and spots covering his body, with many birthmarks on his chest and belly. Octavius was the great nephew of Julius Caesar; Julius Caesar won the civil war in 46 B.C, and was named dictator of Rome Julius then said to the people â€Å"I came, I saw, I conquered†. Julius needed and heir to succeed him. Having no children he adopted Octavius. His name was then changed to Gaius Julius Caesar. Octavius did not learn of this until the assassination of Julius Caesar, and it wasn’t until the reading of Julius’ will that everyone learned that Octavius was now the successor to Julius, and the power he had was going to Octavius.