Abstract
Pan-tilt mechanisms are often used as adjustable camera mounts which can be automated if required. However, existing motorized pan-tilt mechanisms are unsuitable for heavy cameras. In this study, a novel mechanism from patent MY-175792-A was adapted as a camera mount to assess its suitability as a motorized support for heavy cameras. Unlike a ball head or pan-tilt mechanism, this adjustable platform tended to change its centre of rotation as it pitched. To ensure that its stability was not compromised, various lengths of cameras were mounted on it to study changes in the centre of gravity of the system as it was pitched and yawed to different angles. This study was conducted entirely through simulation. To facilitate a seamless pan-tilt motion, the force required to slide the active joint was determined through the analysis of static equilibrium. In addition, the required torque to yaw the mount was determined through motion analysis using SolidWorks. The design proved viable as a platform for heavy cameras. It also tended to provide a natural zooming and elevating effect for its pitch motion. Its structure was stable despite simulating the longest available TV camera being pitched and yawed on it to any angle.
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