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Showing result 1 - 5 of 88 swedish dissertations matching the above criteria.
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1. Robotic Friction Stir Welding for Flexible Production
Abstract : Friction Stir Welding (FSW) is a modern welding process that joins materials by frictional heat, generated by a rotating tool. Unlike other welding processes, the material never melts, which is beneficial for the weld properties. READ MORE
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2. DC-DC Converters - Dynamic Model Design and Experimental Verification
Abstract : To obtain high performance control of a dc-dc converter, a good model of the converter is needed. The load usually affects the dynamics and one way to take this into consideration is to regard the load as a part of the converter. The load is often the most variable part of this system. READ MORE
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3. Dynamic Power System Load -Estimation of Parameters from Operational Data
Abstract : The significance of load modeling for voltage stability studies has been emphasized by several disturbances, which have taken place in the past years. They have shown that the loads in combination with other dynamics are among the main contributors of prolonged low voltage conditions, voltage instability and collapse in the power system. READ MORE
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4. Automation of Wheel-Loaders
Abstract : Automation and tele-remote operation of mobile earth moving machines is desired for safety and productivity reasons. With tele-operation and automation, operators can avoid harsh ergonomic conditions and hazardous environments with poor air quality, and the productivity can in principle be improved by saving the time required to commute to and from work areas. READ MORE
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5. Borrowing the Bat's Ear for Automation - Ultrasonic Measurements in an Industrial Environment
Abstract : This work focuses on measurement principles based on ultrasound for applications in industrial automation. The measurements made are of geometric nature. The methods used are when possible based on experience and/or inspiration from the study of bats. READ MORE