Ingeniería Mecatrónica (Mag.)

Permanent URI for this collectionhttp://98.81.228.127/handle/20.500.12404/1750

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2014 - 20173

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    Design and implementation of a bristle bot swarm system
    (Pontificia Universidad Católica del Perú, 2017-02-06) Pozo Fortunić, Juan Edmundo; Becker, Felix
    Swarm robotics focuses on the study and development of robot systems containing a large number of agents that interact with each other in a collective behaviour in order to achieve tasks or overcome obstacles. Bristlebots are vibration-driven mobile robots. They are characterized by small size, high speed, simple design and low costs for production and application – qualities which are advantageous for agents of swarm robotic systems. However, most studies have been developed over systems with no control or systems with two or more actuators. The aim of this master thesis is the development of a bristle based robot agent for a swarm robotics microsystem with units for locomotion, sensing, data processing, control, communication and energy storage. New approaches in modelling and development of swarm agents are given, and a robot prototype is presented. The robot is driven by a single DC motor and uses a bristle system to create locomotion. It should be noted, that within the system design, considerations for the size, weight and minimalist architecture are taken. Experiments are presented and the system’s capabilities for displacement, velocity and trajectory generation are analysed. While the parallel velocity maintains a positive magnitude in both motor rotation directions, the rotation speed and transversal velocity of the robot have opposite directions, creating curved trajectories with opposite orientations. In Frequencies up to 210 Hz, the rotation direction of the robot is maintained while the magnitude slightly varies. However, for higher frequencies, the rotation direction of the robot is reversed, maintaining a similar magnitude. The transversal speeds at this frequency range, maintain their direction but are clearly reduced compared to lower frequencies.
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    Diseño y construcción del subsitema electrónico para el control de un brazo robot de 5 GDL
    (Pontificia Universidad Católica del Perú, 2015-11-25) Carrera Soria, Willy Eduardo; Tafur Sotelo, Julio César
    El programa de Maestría de Ingeniería Mecatrónica de la PUCP desea contar con un brazo robot de 5GDL, teniendo a la fecha la estructura mecánica; ahora desea agregarle la parte electrónica para la enseñanza de robótica avanzada. El desarrollo del sistema experimental ha sido dividido en 3 partes en el curso Proyecto Electrónico 1 de la especialidad de Ingeniería Electrónica y está generando 3 tesis de pregrado, una ya sustentada; acá se abordan las partes más relevantes de esos trabajos: el hardware electrónico, la interface de usuario, y el control electrónico que permite la cinemática directa e inversa, así como el seguimiento de una trayectoria. Lo que se ha desarrollado en esta tesis en la parte de hardware es la selección de los motores, excitadores y sensores de posición, se ha diseñado e implementado un controlador Maestro y 5 controladores Esclavos. En la parte de software se ha desarrollado una interfaz desde una PC en Visual Basic para que se ingresen los movimientos que debe realizar cada una de sus 5 articulaciones del brazo robot, ya sea de un punto inicial a otro final, o para que describa una trayectoria. También se ha realizado la comunicación en lenguaje C entre la mencionada interfaz y el controlador maestro, y la comunicación de este último con los 5 controladores esclavos; finalmente se ha realizado un control PD en cada articulación. El brazo robot cuenta con sensores de fines de carrera y detectores de sobre corriente que cuando se activen harán que el robot detenga su movimiento para evitar cualquier accidente.
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    Software for calibrating a digital image processing
    (Pontificia Universidad Católica del Perú, 2014-05-30) Lang, Kathrin; Madrid Ruiz, Ericka Patricia; Schale, Florian
    This work is about learning tool wich provides the necessary parameters for a program controlling robots of type LUKAS at the Faculty of Mechanical Engineering. The robot controlling program needs various parameters depending on its environment, like the light intensity distribution, and camera settings as exposure time and gain raw. These values have to be transmitted from the learning tool to the robot controlling software. Chapter one introduces the robots of type LUKAS which are created for the RoboCup Small Size League. Furthermore, it introduces the camera used for image processing. The second chapter explains the learning process according to Christoph UBfeller and deduces the requirements for this work. In the third chapter theoretical basics concerning image processing, wich are fundamental for this work, are explained. Chapter 4 describes the developed learning tool which is used for the learning process and generates the required parameters for the robot controlling software. In chapter five practical test with two persons are represented. The sixth and last chapter summarizes the results.