Foundations of Superluminal Relativistic Mechanics

The paper provides an elementary derivation of new superluminal spatio-temporal transformations based on the idea that, conceptually and kinematically, each subluminal, luminal and/or superluminal inertial reference frame has, in addition to its relative velocity, its proper specific kinematical parameter, which having the physical dimensions of a constant speed. Consequently, the relativity principle and causality principle both are coherently extended to superluminal velocities and, more importantly, this original approach constitutes the first basic step toward the formulation of superluminal relativistic mechanics, which is in fact a pure superluminalization of special relativity theory.

Modeling Method for Mechanism Configuration of the Articulated Industrial Robot

Modeling method for mechanism configuration of the articulated industrial robot is proposed. Each link of mechanism configuration is modeled by a type of variable coordinate system based on UG system. The variable coordinate system is changed with a type of variable kinematical parameter of the links. Thus the position and direction vector of terminal link by reference to frame at any time can be obtained by using inquiry command in UG system. The typical modeling example of the FANUC articulated industrial robot which possesses 6 rotation freedoms in space is as shown in figure. It is appearance that the Modeling method by this way is simple and the modeling result of the articulated industrial robot is visual, believable and reliable.

Sensitivity Analysis of Input Parameters of Cartesian Serial-Parallel Manipulator

Exclusive solution can be found with the presupposition of the kinematical platform of Cartesian serial-parallel manipulator maintain the special shape, practical example carried out on the sensitivity of six input kinematical parameters to output spindle’s position and pose, different importance of input kinematical parameter of upper platform and lower platform to the configuration sensitivity of output spindle obtained, also the different effects of input parameters to the configuration of output spindle based on this type.