Lab3 » Historia » Wersja 5
Dawid Seredyński, 2018-06-13 17:22
1 | 2 | Dawid Seredyński | h1. Lab 3: Forward kinematics |
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3 | 1 | Dawid Seredyński | h2. Scope: |
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5 | 3 | Dawid Seredyński | This laboratory consist of two parts: |
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7 | 3 | Dawid Seredyński | * A short introduction. |
8 | 3 | Dawid Seredyński | * Writing your own ROS package. |
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10 | 1 | Dawid Seredyński | h2. The task: |
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12 | 3 | Dawid Seredyński | * Develop the system from the previous laboratory by either copying the package or modyfying it. |
13 | 3 | Dawid Seredyński | * Using C++ or Python create a ROS node NONKDL_DKIN that calculates forward kinematics of manipulator using analytical method (without KDL). |
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15 | 3 | Dawid Seredyński | * The node gets current position of joints from joint_state_publisher node. |
16 | 3 | Dawid Seredyński | * The result (i.e. position of end effector of type geometry_msgs/PoseStamped) should be published on ROS topic and visualized in RVIZ. |
17 | 3 | Dawid Seredyński | * Do not interpolate movement. |
18 | 3 | Dawid Seredyński | * Please refer to RVIZ documentation http://wiki.ros.org/rviz/Tutorials |
19 | 3 | Dawid Seredyński | * Read parameters (e.g. lengths of links) from ROS parameter server. |
20 | 3 | Dawid Seredyński | !https://www.robotyka.ia.pw.edu.pl/redmine/attachments/download/203/lab3-scheme-a.png(graph a: ROS nodes for ANRO laboratory 3)! |
21 | 4 | Dawid Seredyński | * Create a second node KDL_DKIN that uses KDL, with the same functionality as NONKDL_DKIN. |
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23 | 4 | Dawid Seredyński | * Connect it to existing nodes in place of NONKDL_DKIN. |
24 | 3 | Dawid Seredyński | !https://www.robotyka.ia.pw.edu.pl/redmine/attachments/download/204/lab3-scheme-b.png(graph b: ROS nodes for ANRO laboratory 3)! |
25 | 5 | Dawid Seredyński | * Test the results in RVIZ. Compare nodes NONKDL_DKIN and KDL_DKIN with data from robot_state_publisher. |
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27 | 5 | Dawid Seredyński | * Check if the calculated pose is the same as the pose calculated by robot_state_publisher. Compare the poses in RVIZ. |
28 | 5 | Dawid Seredyński | * All three nodes that calculate forward kinematics should publish to different topics. |
29 | 5 | Dawid Seredyński | * Reference frames of the end effector should coincide. Set different visualization parameters (e.g. width, length of arrows) to see them all. |
30 | 5 | Dawid Seredyński | * The documentation of tests should be supplemented with plots of end effector position calculated using different methods and plots of configuration space position. |
31 | 1 | Dawid Seredyński | !https://www.robotyka.ia.pw.edu.pl/redmine/attachments/download/205/lab3-scheme-c.png(graph c: ROS nodes for ANRO laboratory 3)! |
32 | 5 | Dawid Seredyński | * Joint limist should be taken into account. |
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34 | 5 | Dawid Seredyński | * If joint position is outside limits, the pose of end effector should not be published and error should be published to ROS log. |
35 | 5 | Dawid Seredyński | * Add wiki page to your repository (the documentation). The page should contain description of source files, instruction for launching and description of tests. |
36 | 5 | Dawid Seredyński | * Use separate roslaunch files for: |
37 | 5 | Dawid Seredyński | * roscore and RVIZ (it should be running until URDF file is modified). |
38 | 5 | Dawid Seredyński | * The rest of the system. |
39 | 5 | Dawid Seredyński | * Test the system and show it to the tutor. |