To solve the problem of unmanned plugging weld for steam generator in high temperature gas cooled reactor, a new seven-degrees-of-freedom robot with 3-PSP and SCARA structure is designed based on scheme serial-parallel robot. In order to achieve simple stable motion control, D-H method analytical are used study its kinematics establish an accurate model. Based MATLAB software existing kinematic...

Control rods (CRs) have a significant influence on reactor performance. Withdrawal of control rod leaves region the core significantly changed due to lack absorber, leading increased fission rate and later Xe135 buildup. In this paper, an innovative concept structured made tungsten is studied. It demonstrated that radial division can effectively compensate for reactivity loss during irradiation...