Victor R. F. Miranda, L. Mozelli, A. A. Neto, G. Freitas
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引用次数: 4
Abstract
The longitudinal trajectory tracking for small Unmanned Ground Vehicles (UGVs) subject to real-world disturbances is addressed, by considering an anisotropic ground friction and the variation of its own mass during transportation. A methodology was proposed to perform the design of the controller in the Proportional-Integral-Derivative (PID) format, which is robust to parametric uncertainties and minimizes output disturbances. Next, a small ground platform for load delivery tasks has been developed, equipped with low-cost navigation sensors and onboard computers. Finally, simulated and real-world experiments illustrate the effectiveness of this application under different scenarios, by combining distinct conditions of friction, payload, and terrain profiles.
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