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Mechanical development for a soft robotics solution / Mekanikutveckling för en mjuk robotlösningDasht Bozorg, Amin January 2016 (has links)
Nowadays, the human ability to utilize the technology has increased. One of the most important branches of technology in human service is Robotics, which helps humans to perform their daily work.This thesis is a part of a big project (Iron Arm) that was done at the Bioservo Technology AB in Kista-Stockholm. Bioservo exerts its effort to use SEM™ (Soft Extra Muscle) technology to build the new products. The aim of this thesis work was to design an effective mechanical actuator that will complete the former prototype built by Bioservo through another master thesis work done by John Ekblom in 2014. The thesis also describes how a mechanical actuator can be used in a device (robotic arm) to provide extra force and to assist someone who has weak arm lifting muscles. A big challenge for this device is to have a low weight because the user should wear the device and carry it during the entire day. / Bioservo Technology AB är ett företag som etablerades i Sverige 2006 . Företaget samarbetar med läkare och sjukhus för att utveckla produkter för att hjälpa de som har svaga muskler. Det här examensarbete, som gjordes på Biservo Tecknology AB i Stockholm, är en del av projektet Iron Arm, som började 2014. Syftet med Iron Arm projektet är att assistera äldre som lider av nedsatt muskelstyrka och därmed har svårt att lyfta armen. I detta examensarbete konstrueras en aktuator som ger extra kraft för att lyfta armen och underlätta vardagsarbeten, som att kamma håret, äta mat, laga mat och att ta på sig ytterkläder.
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Identifying Factors That Affect StudentsAlkis, Nurcan 01 September 2010 (has links) (PDF)
The main aim of this thesis study is to identify the factors that affect higher education students&rsquo / perceptions of computerized assessment for learning. This study additionally aims to help effective use of computers in assessment activities by guiding the teachers or educational organization by interpreting the factors that affect students&rsquo / attitudes toward computer use in examinations. Quantitative research design has been used in this study. When choosing the participants, nonprobability sampling strategy was used due to its convenience. A total number 332 student of Middle East Technical University participated in the study. The data has been analyzed via Confirmatory Factor Analysis and interpreted by Structural Equation Modeling. The data loaded under 5 constructs: Perceived Ease of Use, Perceived Usefulness, Intention, Computer Attitude and Anxiety. By identifying the relations between these constructs, a structural model was created to determine the intention of students&rsquo / towards computerized assessment. The findings of this study have revealed that &ldquo / perceived usefulness&rdquo / is the most important determinant in students&rsquo / willingness to use computerized assessment. Additionally, if students have anxiety resulted from computer use, this affect their easiness perceptions negatively. Computer attitude is another factor that affects students&rsquo / perceptions of easiness and their anxiety. Finally it is concluded that students&rsquo / computer attitudes and anxiety affect their behaviors toward computerized assessment.
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