180 research outputs found

    Sensor and actuator stochastic modeling of the Lego mindstorms NXT educational kit

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    This paper describes the sensor and actuator stochastic modeling of Lego Mindstorms NXT educational kit. It will be also presented the experimental setups applied to obtain each sensor and actuator parameters. The introduction of an industrial robot in some of the experimental setups allowed to increase the speed, repeatability and to reduce errors in the process of sensor data collecting

    Proposal of a new real-time cooperative challenge in mobile robotics

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    In this paper it is presented a new robot competition that is going to be included in Robotica 2011, the main Robotics Portuguese Competition. The robot competition takes place in an emulated factory plant, where Automatic Guided Vehicles (AGVs) must cooperate to perform tasks. To accomplish their goals the AGVs must deal with localization, navigation, scheduling and cooperation problems, that must be solved autonomously. One option of prototyping the AGVs is the use of the Lego Mindstorms NXT technology. The presented example can play an important role in education due to the inherent multi-disciplinary concepts that are involved, motivating students to technological areas. It also plays an important role in research and development, because it is expected that the outcomes that will emerge here, will later be transfered to other application areas, such as service robots and manufacturing

    Mobile Robotics in Education and Research

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    Lego Based Computer Communication for Business and Learning

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    A platform for real-time control education with LEGO MINDSTORMS.

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    A set of software development tools for building real-time control systems on a simple robotics platform is described in the paper. The tools are being used in a real-time systems course as a basis for student projects. The development platform is a low-cost PC running GNU/Linux, and the target system is LEGO MINDSTORMS NXT, thus keeping the cost of the laboratory low. Real-time control software is developed using a mixed paradigm. Functional code for control algorithms is automatically generated in C from Simulink models. This code is then integrated into a concurrent, real-time software architecture based on a set of components written in Ada. This approach enables the students to take advantage of the high-level, model-oriented features that Simulink oers for designing control algorithms, and the comprehensive support for concurrency and real-time constructs provided by Ada

    Transnational lifelong education course in robotic systems

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    Robotics constitutes a multidisciplinary area, congregating knowledge from different scientific domains. The learning of robotic systems requires the acquisition of multidisciplinary scientific bases, and high integration and synthesis abilities, which is not an easy task. This paper describes the implementation of a lifelong course that aims to provide a global insight on robotics field, introducing the concepts and technologies for different domain applications, namely industrial robotics, autonomous mobile robotics and robotics applied in medicine. This is accomplished in an international framework where individual knowledge and experiences will be confronted in a multidisciplinary level and intercultural environment.The work described in this paper was financially supported by the Lifelong Learning Programme Erasmus, under the projects n. 2012-1-PT1-ERA10-12529 and 2013-1-PT1- ERA10-16656.info:eu-repo/semantics/publishedVersio

    A situation that we had never imagined: Post-Fukushima virtual collaborations for determining robot task metrics

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    There is no consensus regarding a common set of metrics for robot task complexity in associated human-robot interactions. This paper is an attempt to address this issue by proposing a new metric so that the educational potential when using robots can be further developed. Tasks in which students in Japan and UK interact in a 3D virtual space to collaboratively program robots to navigate mazes have resulted in quantitative data of immersion, circuit task complexity and robot task complexity. The data has subsequently been collated to create a proposed new metric for tasks involving robots, which we have termed task fidelity. The paper proposes that task fidelity is a quantitative measure of a set robot task in relation to a learner's solution. By quantifying task fidelity educators utilising robots in schools and in higher education will be able to provide tasks commensurate with the expected successful outcomes achieved by the learners
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