PROTOTYPES, END users (Information technology), COMPUTER input-output equipment, COMPUTER simulation, COMPUTER algorithms, and SIMULATED annealing
Abstract: We introduce Sketch Arm, a brand new tool for custom closets rapid prototyping that allows end users to sketch a completely customized design proposal regardless of their technological training. Supported in current multi-touch hardware technology, the application is conceived as a highly interactive system, and it can also assist the user with the prototype creation tasks by autonomously generating desirable layouts. Incorporating a simulated annealing algorithm enables this automatic generation of layouts by optimizing the closet inner space. Throughout this paper, we present the main features and capabilities of Sketch Arm. We demonstrate that our system is able to synthesize suitable closet layouts, creating several design proposals for different user profiles. [Copyright &y& Elsevier]
Deppe, M., Zanella, M., Robrecht, M., and Hardt, W.
Journal of Systems & Software. Mar2004, Vol. 70 Issue 3, p263. 12p.
PROTOTYPES, AUTOMOBILE industry, REAL-time control, and COMPUTER simulation
Rapid prototyping of complex systems embedded in even more complex environments raises the need for a layered design approach. Our example is a mechatronic design taken from the automotive industry and illustrates the rapid-prototyping procedure of real-time-critical control laws. The approach is based on an object-oriented structuring allowing not only central control units but also distributed control units as needed by today’s designs. The implementation of control laws is a hardware-in-the-loop simulation, refined in steps and reducing the simulation part at every one of these. On the lower level, common platforms, such as FPGAs, microcontrollers or specialized platforms, can be instantiated. [Copyright &y& Elsevier]
MACHINE tool path, COMPUTER simulation, ARTIFICIAL implants, BIOMATERIALS, NUMERICAL control of machine tools, MILLING-machines, SHEET-metal, and PROTOTYPES
Abstract: Incremental sheet forming is a promising process for sheet metal prototyping and for bio-medical implants. The entire process cycle is computer integrated and part is manufactured on computer numerical control (CNC) milling machine. This process uses a spherical ended tool to press the sheet into required shape. The path of the tool is controlled by a part program generated using computer aided manufacturing (CAM) softwares. For the numerical simulation of the process tool has to follow the same path as in experimental work. But numerical simulation softwares normally do not accept the G-code file generated using CAM packages directly. In the present paper a methodology has been proposed to input the tool path trajectories generated using CAM packages in to numerical simulation softwares such as ABAQUS and Ls-Dyna. For certain sample symmetric and asymmetric shapes, this proposed methodology has been implemented in Matlab and Ls-Dyna. The results were found to be satisfactory. [Copyright &y& Elsevier]