高琴妹教授的智能控制与优化设计工作评述

评述了高琴妹教授在自动控制方面所做的研究工作．一、进行了中功率系列GTO—PWM变频调速装置的计算机辅助设计,完成了GTO及电力电子器件数学模型、线路仿真、参数寻优等的CAD研究工作．二、对参数在线自校正模糊控制器进行了研究,提出了N＋1层多准则决策．三、主持研制了多台基于LabVIEW的用于生产现场的专用计算机检测系统,总体结构先进、合理,自动化程度高．     

Strength training

Introductory textbooks commonly state that Golgi tendon organs (GTOs) are responsible for a reflex response that inhibits a muscle producing dangerously high tension (autogenic inhibition). Review of the relevant data from animal studies demonstrates that there is wide variability in the magnitude of, and even the presence of, GTO autogenic effects among locomotor hindlimb muscles, and that data on GTO effects under conditions of voluntary maximal muscle activation are lacking. A single available study on GTO function in humans, during a moderate contraction, surprisingly shows a reduction in autogenic inhibition during muscle‐force production. Further, it is not possible to find experimental evidence supporting the idea that strength training may produce a decrease in GTO mediated autogenic inhibition, allowing greater muscle activation levels and hence greater force production.     

集成门极换向晶闸管(IGCT)

介绍了一种新型电力半导体器件——集成门极换向晶闸管(IGCT)的特性、工作原理、关键技术，并指出它必将成为大功率应用中的首选电力半导体器件。