This research aims to develop a design optimisation methodology to improve the performance of hand prostheses, by implementing virtual evaluation methods with motion capture analysis. Virtual evaluation was used to provide an in-depth understanding of the grasping performance of a hand prosthesis. Through the use of grasp quality metrics, the interactions of forces within a grasp can be studied and optimised. By altering certain design elements to control the force vectors the grasp quality can be greatly enhanced. Motion capture analysis was used to track the motor strategy of a prosthesis user to characterise their movements and gain a better understand of how they manipulated their body. By combining both virtual evaluation and motion capture analysis, it is possible to develop a design optimisation methodology that improves the grasping performance of a hand prosthesis whilst minimising the compensatory movements cause by the device.

Laser Sintering (LS) is one of the more established and widely used AM techniques in many industries, and has also potential for use in medical applications. It is a solvent-free method that does not require support structures or significant post processing to achieve densification. However, current materials used for LS may not meet the requirements for the majority of commercial products, due to the narrow variety of applicable polymers that are compatible with LS technologies.

This project is an investigation of the interactions between material properties and process variables in LS, in order to deliver a guideline for the successful production of new LS powders with potential use in drug delivery systems. Screening of the materials in terms of their thermal, physical and rheological characteristics will reveal the level of compatibility with LS that allows the control and optimisation of the scanning strategy with potential production of robust parts. This work will further focus on the development of the scanning strategy and formulation composition, to enhance effectiveness and achieve reproducibility. 

Our project aims to investigate and develop glass as a material for additive manufacturing processes, particularly laser sintering and laser melting. A broad understanding of the material, background literature and engineering techniques will be developed and used to further the project. We also have a medical application in mind that aligns with my research interests: biologically active glass.