In a machining process, since the geometric accuracy of a manufacturing workpiece mainly relies on the relative position of workpiece to the machining tool, fixtures are needed to locate the workpiece. The clear concept of locating correctness is presented based on Venn diagram and a general algorithm is proposed to determine the locator number and layout. On one hand, the theoretical and pract...

The objective of positioning the fixture elements in the fixture is to make the workpiece stiff, so that geometric errors in the manufacturing process can be reduced. Most of the work for optimal fixture layout used the minimization of the sum of the nodal deflection normal to the surface as objective function. All deflections in other direction have been neglected. We propose a new method for ...

 ABSTRACTBackground: Design of the production system for Iodine-123 has begun recently in nuclear research centre of agricultural and medicine (NRCAM). The production system consists of pipes for xenon gas transfer, equipped with 10 valves, 3 heaters, fluid nitrogen and 2 vacuum pumps. In the first prototype the function of elements was being done manually by an operator. Because dispensing rad...

the premier forum for members of the electronic design industry to exchange information on products, methodologies, and processes. Its attendees include more than 15,000 developers, designers, researchers, managers, and engineers from leading electronics companies and universities around the world. With more than 250 exhibitors, DAC offers a robust technical program covering the electronics ind...

This paper illustrator* tho methodology of the CMU Design Automation System by presenting, an automated design of the PDP-8/E data palhs from a functional description. This automated clnsign (using synthesis techniques) is compared both to DECV, implementation and the Intersil single chip implementation.

This paper summarizes the current status of an ongoing research program to explore automated alternatives to the current manual method of designing, implementing, and delivering user interfaces to complex digital control systems. Using examples from two implementations of the model-based interface automation approach that resulted from this research, we explore the models and collaboration requ...

Design automation or computer-aided design (CAD) for microelectronic circuits has emerged since the creation of integrated circuits (IC). It has played a crucial role to enable the rapid development of hardware and software systems in the past several decades. CAD techniques are the key driving forces behind the reduction of circuit design time and the optimization of circuit quality. Meanwhile...

According to the requirements of the Russian standards, the automation schemes are necessary practically in each project of renovation of industrial buildings and facilities, in which any technological processes are realized. The model representations of the automation schemes in CAD-system TechnoCAD GlassX are described. The models follow a principle"to exclude a repeated input operations"