On-line rail milling technologies have been applied in rail maintenance,and are proving to be efficient and environmental friendly.Based on the field data of on
After introducing the theories and geometric features of four familiar transition curves(cubic parabola(CP),fifth degree parabola(FDP),half-wave-length sinusoid
Control strategy affects directly the working performances of dynamic voltage regulator (DVR). One-cycle control is an effective nonlinear signal modulation con