**Fast Method for Frequency Measurement by Rational Approximations with Application in Mechatronics**

Daniel Hernandez-Balbuena1, Oleg Sergiyenko2, Patricia L. A. Rosas-Méndez1, Vera Tyrsa3 and Moises Rivas-Lopez2 *1Engineering Faculty, Autonomous University of Baja California 2Engineering Institute of Autonomous University of Baja California 3Polytechnic University of Baja California, Mexicali México* 
