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Showing result 1 - 5 of 60 essays matching the above criteria.
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1. Method to statistically secure field test results for rock drilling tools
University essay from Uppsala universitet/Institutionen för materialvetenskapAbstract : The aim of this project is to find a statistical method that describes survival and outcome of a prototype drilling tool from several references and determine how many references are needed for a statistically secure result. The project also answers which variables that affects the outcome. READ MORE
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2. A deep learning approach for drilling tool condition monitoring in Raiseboring
University essay from Uppsala universitet/Institutionen för informationsteknologiAbstract : Drilling tool wear can significantly affect the performance of the drilling operation and add extra cost to it. Accurate detection of drilling tool condition is very important for enabling proactive maintenance, minimizing downtime, and optimizing drilling processes. READ MORE
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3. Implementing Kalman Filtering Algorithms for Estimating Clamp Force on a Test Rig : Testing the Power and Limitations of Unscented Kalman Filter-based Estimations
University essay from KTH/Skolan för industriell teknik och management (ITM)Abstract : his study explores clamp force estimation using Unscented Kalman Filtering (UKF) in torque-controlled tightening scenarios with various velocity profiles. Previous research has explored the impact of velocity levels on target torque and clamping force, but only using hand-held tools. READ MORE
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4. Comparative analysis of contact and non-contact method for determining the natural frequencies of a bolted joint
University essay from KTH/Skolan för industriell teknik och management (ITM)Abstract : To ensure high assembly quality of components, a proper clamping force in bolted joints is essential. The existing tightening technology rely on torque and angle; however, this thesis proposes a method for obtaining the clamping force of a bolted joint based on measuring the natural frequencies. READ MORE
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5. Accuracy Improvement and Joint Stiction Relieve in Robot Arms Movement Applying Torque-Based Cartesian Impedance Control With Dithering
University essay from Lunds universitet/Institutionen för reglerteknikAbstract : Robots are nowadays present and essential in a wide range of applications, and robot arms in particular are capable of performing various tasks such as inspection, material handling, and welding. They can be classified into several types, depending on their structure and purpose. READ MORE