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Powered Transtibial Prosthetic Device Control System Design, Implementation And Testing, Jinming Sun
Powered Transtibial Prosthetic Device Control System Design, Implementation And Testing, Jinming Sun
Master's Theses (2009 -)
A powered lower limb prosthesis, which consists of a four bar mechanism, a torsional spring and a brushed DC motor, was previously designed and fabricated. To regulate the motor power input, a two level controller was proposed and built. The control algorithm includes a higher level finite state controller and lower level PID controllers. To implement the control system, a digital signal processor (DSP) control board and MATLAB Simulink were used to realize the higher level control and a DC motor controller was used to realize the lower level PID control. Sensors were selected to provide the required feedback. The …
Ergonomic Design Of An Aerial Bucket For Ingress And Egress, Bianca M. Bain
Ergonomic Design Of An Aerial Bucket For Ingress And Egress, Bianca M. Bain
Master's Theses (2009 -)
Electric utility companies across the US have been using aerial bucket trucks for line work and troubleshooting for decades. The use of these trucks eliminates the need for workers to climb utility poles in order to repair or maintain lines. Poor ingress and egress design can lead to acute injuries (slips and falls) as well as cumulative injury (musculoskeletal disorders (MSDs)). Utility companies want to know the best combination of steps and handlebars for aerial bucket ingress and egress that would minimize the risk of injury. American National Standards Institute (ANSI) standard – ANSI/SIA A92.2-2009, sets design requirements for aerial …