Title :
Mobile robot kinematic, dynamic, and mobility
Author :
Khoukhi, A. ; Hamam, Y.
Author_Institution :
ESIEE Dept. Autom., Noisy-le-Grand, France
Abstract :
Presents an optimal trajectography planning for a mobile robot in a crowded environment. A dynamic model based on the Euler-Lagrange equations is developed and a mobility estimation function of the robot is considered. This dynamic estimation of the robot mobility takes into account the velocity and the orientation of the robot. Finally, the optimal trajectory search is formulated as a nonlinear programming problem under nonlinear equality and inequality constraints. The discrete augmented lagrangian is used to obtain the optimal trajectography. A comparative study with algorithms used in the literature is considered. The simulation experiments were performed on a PC-AT and some results are given and compared to the kinematic schemes. It is shown that the performance of the dynamic optimal control is highly superior to the geometric or kinematic control schemes.<>
Keywords :
kinematics; mobile robots; navigation; nonlinear programming; optimal control; path planning; Euler-Lagrange equations; discrete augmented lagrangian; dynamic model; dynamic optimal control; inequality constraints; kinematic; mobile robot; mobility; mobility estimation function; nonlinear equality; nonlinear programming; optimal trajectography planning; Automatic control; Kinematics; Lagrangian functions; Manipulator dynamics; Mobile robots; Navigation; Optimal control; Robotics and automation; Service robots; Vehicle dynamics;
Conference_Titel :
Advanced Robotics, 1991. 'Robots in Unstructured Environments', 91 ICAR., Fifth International Conference on
Conference_Location :
Pisa, Italy
Print_ISBN :
0-7803-0078-5
DOI :
10.1109/ICAR.1991.240407