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Modular robotics overview of the `state of the art`
The design of a robotic arm processing modular components and reconfigurable links is the general goal of a modular robotics development program. The impetus behind the pursuit of modular design is the remote engineering paradigm of improved reliability and availability provided by the ability to remotely maintain and repair a manipulator operating in a hazardous environment by removing and replacing worn or failed modules. Failed components can service off- line and away from hazardous conditions. The desire to reconfigure an arm to perform different tasks is also an important driver for the development of a modular robotic manipulator. In order to bring to fruition a truly modular manipulator, an array of technical challenges must be overcome. These range from basic mechanical and electrical design considerations such as desired kinematics, actuator types, and signal and transmission types and routings, through controls issues such as the need for control algorithms capable of stable free space and contact control, to computer and sensor design issues like consideration of the use of embedded processors and redundant sensors. This report presents a brief overview of the state of the art of technical issues relevant of modular robotic arm design. The focus is on breadth of coverage, rather than depth, in order to provide a reference frame for future development
Adaptive Steuerung eines mehrsegmentigen Inspektionsroboters
Mehrsegmentige Roboter können verschiedene Umgebungen befahren und inspizieren. In dieser Arbeit wird eine Steuerung entwickelt, die die selbständige Durchführung komplexer Bewegungen in unstrukturierten Umgebungen ermöglicht. Vorgaben eines menschlichen Operators und Zustandsinformationen des Roboters werden in einem Regelkreis verarbeitet. Drei Sensorsysteme erfassen diesen Zustand. Die Teilkomponenten und das Gesamtsystem werden auf den Zielsystemen MakroPlus und Kairo-II evaluiert