Integration Project Systems and Control 2013 Group 1

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Contents

Group Members

Name: Student id: Email:
Abhishek Bareja 0825433 a.bareja@student.tue.nl
Ioannis Kokkinakis 0832282 i.kokkinakis@student.tue.nl
Evangelos Stamatopoulous 0827743 e.stamatopoulos@student.tue.nl
Donatella De Cesare 0821444 d.de.cesare@student.tue.nl

Planning

Week:
Feb 18 - Feb 24
Literature Study regarding the following aspects:
- matlab files provided
- inputs/output variables regarding the given model
- different types of controller
- design Criteria
Lab activity:
- meeting the robot
- how the robot moves
Feb 25 - Mar 3
Literature study regarding the following aspects:
- non-linearities
- friction model
- coupled phenomena
- design a PID feedback controller(preparation for the lab)
- system identification procedures
- FRF measurement(preparation for the lab)
Lab activity:
- design the stabilizing(PID) controller
- get the FRF measurements
Mar 4 - Mar 10
Literature study regarding the following aspects:
- feedforward Controller
- design criteria (bandwidth, margins, sensitivity, steady state error, time response)
- work with shapeit to design optimal controllers for each axis (prepare the controllers to test them during the lab)
- reference trajectory(preparation for the lab)
Lab activity:
- get the FRF measurements for the left robot
- test the controllers that we construct on shapeit
- get the reference trajectory

Progress

Week 1

Regarding our planning for the first week we came up with the following conclusions:

-making a literature research, we realized that PID controller is used in most industrial robots, and since it is the type of controller with which we are more familiar with, we will use PID.
-we can control the move of each axis (and so each motor) separately cause they are independent. So it is needed to construct 4 PID controller, since we can handle the problem as a 4 SISO systems problem.
-the design of PID controller is based on the fact that the output of the controller has to follow the setpoint trajectory.
-we will use as inputs for each motor sine wave, and to represent the disturbance we will use white noise.
-regarding the design criteria we need total time to transfer the pizzas at about 15 secs(less than that if it is possible), as high as possible velocity and acceleration (we have to take care that the pizzas should not fall down from the fork during the movement of the robot) and also the fork should not touch the holding brackets of the pizzas.

Week 2

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