Evaluation of the Path-Tracking Accuracy of a Three-Wheeled Omnidirectional Mobile Robot Designed as a Personal Assistant
Abstract
:1. Introduction
New Contribution
2. The Mobile Robot APR
3. Kinematics of the Omnidirectional Mobile Robot APR
3.1. Motion Originated by the Execution of a Single Motion Command
3.2. Estimation of the Motion Command to Reach a Target Position for a Known
3.2.1. Translation and Rotation in the Counterclockwise Direction for a Known
3.2.2. Translation and Rotation in the Clockwise Direction for a Known
3.2.3. Translation without Rotation for a Known
3.2.4. Static Rotation without Translation
3.3. Kinematic Model: Determination of from
3.4. Kinematic Model: Determination of from
3.5. Odometry: Determination of from
4. Path Planning and Path Following
4.1. Rough Trajectory Definition through Waypoints
4.2. Path Planning: Linearizing and Smoothing the Trajectory
4.3. Path-Following Procedure
5. Experimental Evaluation of the Path-Tracking Accuracy
6. Discussion and Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Speed (m/s) | Distance (m) | Angular Orientation (°) | ||
---|---|---|---|---|
RMSE | Absolute Maximum Error | RMSE | Absolute Maximum Error | |
0.10 | 0.017203 | 0.042762 | 6.7002 | 13.4761 |
0.15 | 0.021478 | 0.043392 | 3.9457 | 7.9026 |
0.20 | 0.023732 | 0.050270 | 5.6000 | 12.8638 |
0.25 | 0.033889 | 0.060157 | 5.3974 | 10.8083 |
0.30 | 0.032467 | 0.077929 | 6.2730 | 12.6040 |
0.35 | 0.051998 | 0.125830 | 7.3219 | 15.2344 |
0.40 | 0.038150 | 0.080402 | 6.3755 | 12.9896 |
0.45 | 0.040882 | 0.101140 | 6.0992 | 11.1705 |
0.50 | 0.032762 | 0.070848 | 8.0095 | 17.6987 |
Speed (m/s) | Distance (m) | Angular Orientation (°) | ||
---|---|---|---|---|
RMSE | Absolute Maximum Error | RMSE | Absolute Maximum Error | |
0.10 | 0.017036 | 0.045863 | 8.99090 | 20.8563 |
0.15 | 0.015341 | 0.044073 | 7.80650 | 17.9776 |
0.20 | 0.017418 | 0.039401 | 7.08460 | 17.6608 |
0.25 | 0.025817 | 0.068124 | 6.53130 | 17.2021 |
0.30 | 0.039706 | 0.088557 | 7.76150 | 21.5102 |
0.35 | 0.059036 | 0.123140 | 7.64930 | 19.2291 |
0.40 | 0.065989 | 0.151920 | 9.48780 | 20.7115 |
0.45 | 0.087276 | 0.220810 | 11.5129 | 24.3387 |
0.50 | 0.100260 | 0.265240 | 12.2232 | 22.5929 |
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Palacín, J.; Rubies, E.; Clotet, E.; Martínez, D. Evaluation of the Path-Tracking Accuracy of a Three-Wheeled Omnidirectional Mobile Robot Designed as a Personal Assistant. Sensors 2021, 21, 7216. https://doi.org/10.3390/s21217216
Palacín J, Rubies E, Clotet E, Martínez D. Evaluation of the Path-Tracking Accuracy of a Three-Wheeled Omnidirectional Mobile Robot Designed as a Personal Assistant. Sensors. 2021; 21(21):7216. https://doi.org/10.3390/s21217216
Chicago/Turabian StylePalacín, Jordi, Elena Rubies, Eduard Clotet, and David Martínez. 2021. "Evaluation of the Path-Tracking Accuracy of a Three-Wheeled Omnidirectional Mobile Robot Designed as a Personal Assistant" Sensors 21, no. 21: 7216. https://doi.org/10.3390/s21217216