5.A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.
给出巷道支护中测力锚杆的力学模型,指出测力锚杆实际应用中主要承受拉力、扭矩作用。
6.The method of calculating microstepping currents for variable reluctance stepping motor with equal microstep angle was described when motor torque characteristics were sinusoidal shapes.