软件部分主要对曲轴速度信号、凸轮轴基准信号等进行处理计算，输出点火控制信号。
The software mainly processes the rotate speed signal of the crankshaft and camshaft position signal to export ignition control signal.
因此，凸轮轴必须以曲轴正好一半的速度旋转。
Therefore, the camshaft must revolve at exactly half the speed of the crankshaft.
ECU(20)根据传感器信号在预定时间内计算出曲轴(17)的旋转速度。
The ECU (20) calculates a rotation speed of a crankshaft (17) in a predetermined period based on the sensor signal.
与传统曲轴连杆结构压缩机不同的是，它采用带两个休止角段的凸轮驱动活塞，活塞的加速度选择为正弦加速度。
Compared with the reciprocating compressors with the structure of traditional crankshaft, it adopts a CAM with two repose Angle segment to drive the piston.
通过搭建试验台架，从实车试验中获取曲轴箱压力信号和机身振动加速度信号；
At first, authors established an experimental system to acquire crankcase pressure signal and vibration acceleration signal.
通过搭建试验台架，从实车试验中获取曲轴箱压力信号和机身振动加速度信号；
At first, authors established an experimental system to acquire crankcase pressure signal and vibration acceleration signal.
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