Anonymous
timer Asked: Apr 19th, 2020

Question Description

Design a Four-way Traffic light signal in LabVIEW

The description of the project is in the file attached.

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Final Project (LabVIEW Spring-2020) Design a Four-way Traffic light signal in LabVIEW as shown in Figure 1. Figure 1 Four Way Traffic Light System Specifications: 1. A traffic light should consist of three states: Red light, Green light and yellow light. Each traffic light cycles through its states, from Red to Green to Yellow and back to Red. Each state corresponds to a phase in the traffic light cycle. Time Description t=0 t=6 t = 12 • • t = .. t=… • • At the start of the simulation, both traffic lights are red. After 6 seconds (REDDELAY), there are cars waiting in both streets. Both traffic lights request a green light by setting greenLightRequested = true. After another 6 seconds (REDDELAY): Light 1 turns green, setting greenLightLocked = true and greenLi ghtRequested = false. Light 1 Red Light 2 Red greenLightReque sted false greenLightLoc ked false Red Red true false Green Red false, then true true Yello w Red Red true true Green false false, then true Light 2 requests a green light by setting greenLightRequested = true. After 10 seconds (MINGREENDELAY), Light 1 turns yellow. After 2 seconds (YELLOWDELAY): Light 1 turns red, setting greenLightLocked = false. Light 2 turns green, setting greenLightLocked = true and greenLi ghtRequested = false. t=… t=… t = …. • • t = …. After 6 seconds (REDDELAY), Light 1 requests a green light by setting greenLightRequested = true. Light 2 turns yellow 10 seconds (MINGREENDELAY) after turning green. After 2 seconds (YELLOWDELAY): Light 2 turns red, setting greenLightLocked = false. Red Green true true Red true true Green Yello w Red false false, then true Green Red true true Light 1 turns green, setting greenLightLocked = true and greenLi ghtRequested = false. After 6 seconds (REDDELAY), Light 2 requests a green light by setting greenLightRequested = true. 2. Follow the specification of the standard traffic light. The lights should follow a sequence from green to yellow and yellow to red with specific time delay. Note: a. Turn signal specification is not required. b. Pedestrian specification not required. 3. Timer should start at count 0 with red light. Figure 2 Controlled Sequence of Traffic Light Parameters Preset Value Description REDDELAY 6 seconds Traffic light begins to red MAXREDDELAY 1.6 seconds Before turning Red to Green GREENDELAY 10 seconds Maximum length of time that the traffic light remains green. MINGREENDELAY 1.8 seconds Minimum length of time that the traffic light remains green. YELLOWDELAY 2 seconds Length of time that the traffic light remains yellow. The project has the following tentative timeline: Week 1: Receive combinations. Clarify ambiguities. Nothing to turn in. Week 1: Turn in a finite-state-machine (FSM) diagram – or ASM if you prefer – of how you plan to design your Lab view(10 points). Week 2: Turn in a progress report. Highlight what stages of the FSM/ASM you have accomplished and any technical difficulties (10 points). Week 3: Demo Project (50 points) Week 3: Submit a final report online (30 points). Final Report Specification The final report should include the following: - Cover page with title, date, author course number, name, and section - Table of contents and list of figures and tables - Introduction - Background information - Finite State Machine - Detailed explanation of Lab view logic code - Conclusions - Bibliography/References/Works cited In the literature there are many implementations of Traffic light signal in lab view. Students are encouraged to derive ideas from them. However, no plagiarism/copying of lab view files will be allowed. The grading shall also be done based on the novelty and efficiency of the implementation and demonstration. ...
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