As the cam profile with constant-velocity-constant-acceleration ramp feature and with continuous higher derivative lift feature is widely adopted in the advanced high-speed internal combustion engines, the cam ramp profile is fitted with a reasonable func
As the cam profile with constant-velocity-constant-acceleration ramp feature and with continuous higher derivative lift feature is widely adopted in the advanced high-speed internal combustion engines, the cam ramp profile is fitted with a reasonable func
考虑到高速内燃机的凸轮大多采用具有等加速-等速特征的缓冲段和高阶导数连续特征的工作段型式，用等加速-等速函数拟合缓冲段实测升程数据，用整体式高次多项式函数拟合工作段实测升程数据。