The most common problems encountered in sand casting foundries are related to sand inclusions, air, and oxide films entrainment.These issues can be addressed to a good extent or eliminated by designing proper running systems.The design of a good running system should be based on John Campbell’s “10 casting rules”; it should hinder
The following piece is a bricolage of both absence and presence, borne of the observation of such phenomena within a 1953 exhibition, held at the ICA, London, called Parallel of Life and Art.There were no captions.Only an accompanying catalogue detailing the titles and sources of each image.It is through both this catalogue and the photographs take
The trajectory tracking task of a magnetic levitation system connected to a beam mechanism is solved by means of a nested saturation control with a feedforward term.The flatness property of the ashy bines protein powder system allows to use the nested saturation control technique and the feedforward control to stabilize the output tracking error ar