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This paper focuses on structure optimization of wedge-ring joint of underwater robot based on response surface method (RSM). Experiments for the combination of the 4 parameters of Unmanned Underwater Vehicle's (UUV) wedgering joint are designed in combination with central composite experimental method (CCD). FEA software ANSYS is used to get the respond data of structure stress and mass of wedge-ring...
Harmonic drive (HD) systems benefit from their high transmission ratio and extremely low transmission error, therefore, they are widely applied to robotic and space sciences. High stable HD gains pupolarity in space drive mechanism. Flexspline plays an important role in HD, however, the high stable HD has a special flexspline different from the conventional one. The requirement of weight and volume...
Beads are a widespread technology for reinforcing sheet metal structures, because they can be applied without any additional manufacturing effort and without significant weight increase. The two main applications of bead technology are to increase the stiffness for static loading conditions and to reduce the noise and vibrations for dynamic loadings. However, it is difficult to design the bead patterns...
Simulation-based surrogate models have been used for a variety of application in automotive industry. In this paper, based on the FEM analysis, both of the response surface model (RSM) and kriging model are used to optimize an ADI control arm, where the weight of the lower control arm is considered as the design objective, and the maximum allowable von-Mises stress the constraint objective. The initial...
Power electronics uses semiconductor technology the convert and transmit energy. Power electronics modules such are the core electronic packages that undertake this function. The take up of these technologies is growing dramatically due to the increase in electronics in sectors such as automobiles, aerospace, consumer white goods, and of course green technologies. Designing such modules requires a...
Accelerated degradation tests (ADTs) are often applied for assessing the reliability of highly reliable products, but it is realized that ADT experiment can also be used as a tool for improving product design. In particular, when external stress factors are not constants in a product-s use environment, it is necessary to utilize ADT experiments to investigate the interaction between these stress factors...
For several decades, the output from semiconductor manufacturers has been high volume products with process optimisation being continued throughout the lifetime of the product to ensure a satisfactory yield. However, product lifetimes are continually shrinking to keep pace with market demands. Furthermore there is an increase in dasiafoundrypsila business where product volumes are low; consequently...
This paper considers mechanical stress and strain in a piezoresistive cantilever sensor under surface stress loading, which is the loading condition that occurs in biochemical sensing applications. Finite element simulations examine the piezoresistor sensitivity due to changes in cantilever length, width, and thickness, and piezoresistor size, location, and depth. A few unexpected results are found...
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