MATLAB EXPERT

Matlab expert - Physics
PLACE ORDER
Who can do it? Project 1: Robotarium and Feedback Control The Robotarium is an open access, remotely accessible robotics testbed housed at Georgia Tech, which was designed with the purpose of enabling robotics research by providing users with free, remote access to state of the art hardware and infrastructure. It consists of a large planar arena, occupied by dozens of small differential drive robots, called GRITSBots. After prototyping their algorithms in the provided simulator, users take control of the robots by submitting their code online. The Robotarium web site is www.robotarium.gatech.edu. The purpose of this first project is to help you learn the basics of how to operate individual robots with various levels of accuracy, and to stress the knowledge you have acquired during the first few lectures (from introduction to low-level/mid-level designs). The GRITSBot is controlled using unicycle dynamics, ! = # %&' = ( )̇+ ,̇ - where , is the angle of the body frame of the robot with respect to the frame defined on the testbed. The units of the velocity inputs % and & are m/s and rad/s respectively. Figure 1. The GRITSBot X (the bigger one on the left). Figure 2. Drawing of the arena. An overhead sensor is used to return pose data for the robot, . = / ) 0 , 1. The position coordinates (x, y) are given in meters and , is in radians, with a range of [-pi, pi]. The Robotarium Matlab simulator, along with more information on the GRITSBot X and testbed can be found on the Robotarium website (https://www.robotarium.gatech.edu/faq). Modeling the Kinematics of the Robots 1. Learn how to perform basic operations on the robots (e.g. move from base to a point with a given orientation, return to a base point etc.) on the Robotarium simulation. a. Find out the equation describing the relationship between the rpm of the wheels, &wheel, and the forward velocity of the robot, v, with the given parameters. The radius of the wheels is 1.5cm. b. Find out the relationship between the translational velocity of the wheels, vwheel, and the angular velocity of the robot, &, assuming the wheels are rotating in opposite directions and with the same speed. 2. Describe the feedback control loop for controlling the orientation, ,, of the robots along a path used in the Robotarium using a block diagram. That is, a desired orientation is commanded and thus should be your input. Make sure to start with the input and end with the output in order to have a complete diagram. This could be helpful: https://en.wikipedia.org/wiki/Control_theory Make sure to label each block as sensor/controller/actuator and label on each line what variable is passed to the next block. An open loop block diagram of the robot is like this: 3. Give brief descriptions of the sensor, actuator and controller. What do they do? Relate these components to the actual relevant functions in the Matlab code. Simulation Activities Note: Do NOT use any pre-defined functions in the Robotarium Matlab simulator (/examples and /utilities). Prepare a Matlab script for your robot to do the following list of tasks: 1. Open the file, Template_Project_1.m, which contains two 3x1 pose vectors (i.e. [);0;,]) with the names target1 and target2. 2. Command one robot to target1. 3. Once Task 2 is completed, command the robot to target2, with constant velocity 8 cm/s and no angular velocity (open loop control). This can be done by first pointing the robot to a desired direction at its current location, and then calculating the theoretical number of iterations needed to reach target2 at the given speed. The controller is running at 30 Hz (i.e. one iteration corresponds to about 0.033 seconds). 4. Command the robot to target1. 5. Command the robot to target2 with constant 8 cm/s and a feedback strategy where the angular velocity is adjusted (closed loop control) based on the angular deviation from the direction to the target position. Stop the experiment when the robot reaches the target position, within 1 cm and 0.1 radian accuracy. The feedback strategy can be expressed like the following: & = 5(,789:;87 − ,=>;;[email protected]), where k is a gain value of 1. 6. Command the robot to target1. Submit Your Experiment Once you are satisfied with the simulation, submit the script, Template_Project_1.m, to the Robotarium through your account. Data will be accessible in several days. Data Analysis 1. Plot the experimental position data of Task 3 and Task 5 on the same Y vs X plot. 2. Plot the distance to the target position of Task 3 and Task 5 against the number of iterations (normalized from 0) on the same plot. 3. Discuss and explain what you see in the plots. Report and Grading All the tasks are accomplished by the robot. (50 pts) In your report, please do the following: 1. Answer the 3 questions in the Modeling section. (30 pts) 2. Indicate the theoretical number of iterations needed in Simulation Task 3. (5 pts) 3. Include 2 plots and the discussion from the Data Analysis section. (15 pts) Deadline 1. A single .m file on Blackboard and Robotarium by the Project 1 Attempt 1 deadline. This is the first attempt to submit your code so that it can be tested on the Robotarium. Experiment data will also be returned after the run. 2. A single .m file on Blackboard and Robotarium by the Project 1 Attempt 2 deadline. This is the optional second attempt in case the first run fails for any reason. 3. A final report (pdf) on Canvas by the Project 1 deadline. Matlab Installation Please consult your TA on Matlab installation with the student license at KAUST. You do need the optimization toolbox for the simulator. Robotarium Registration Everyone needs to register for an account on the robotarium website using your KAUST email, in order to upload your code and obtain data later on. (https://www.robotarium.gatech.edu/sign-in) Please do this as soon as possible.
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Your assignment may be more than 5 paragraphs but not less. INSTRUCTIONS:  To access the FNU Online Library for journals and articles you can go the FNU library link here:  https://www.fnu.edu/library/ In order to n that draws upon the theoretical reading to explain and contextualize the design choices. Be sure to directly quote or paraphrase the reading ce to the vaccine. Your campaign must educate and inform the audience on the benefits but also create for safe and open dialogue. A key metric of your campaign will be the direct increase in numbers.  Key outcomes: The approach that you take must be clear Mechanical Engineering Organic chemistry Geometry nment Topic You will need to pick one topic for your project (5 pts) Literature search You will need to perform a literature search for your topic Geophysics you been involved with a company doing a redesign of business processes Communication on Customer Relations. 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Furman was originally sentenced to death because of a murder he committed in Georgia but the court debated whether or not this was a violation of his 8th amend One of the first conflicts that would need to be investigated would be whether the human service professional followed the responsibility to client ethical standard.  While developing a relationship with client it is important to clarify that if danger or Ethical behavior is a critical topic in the workplace because the impact of it can make or break a business No matter which type of health care organization With a direct sale During the pandemic Computers are being used to monitor the spread of outbreaks in different areas of the world and with this record 3. Furman v. Georgia is a U.S Supreme Court case that resolves around the Eighth Amendments ban on cruel and unsual punishment in death penalty cases. The Furman v. Georgia case was based on Furman being convicted of murder in Georgia. 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