计算双质量飞轮弧形弹簧的滞回曲线，得到试验曲线与理论曲线图，计算惯量比、扭转刚度与双质量飞轮固有特性之间的关系。(The hysteresis curve of the curved spring of the double-mass flywheel is calculated, the experimental curve and theoretical curve are obtained, and the relationship between inertia ratio, torsional stiffness and the inherent characteristics of the double-mass flywheel is calculated.)