Rapid interpolation calculation method for S-shaped speed curve

The invention relates to the technical field of numerical control machine tool control, in particular to an S-shaped speed curve fast interpolation calculation method. The method comprises the following steps: S101, reading an instant motion parameter; s102, initializing and correcting instant motion parameters in sequence; s103, outputting the current position increment; s104, correcting the motion parameters in sequence to obtain required actual parameters; and S105, repeating the step S103, and entering the next cycle. The method has the advantages of simplicity and high efficiency. And the optimization effect is good. And the real-time performance and the directivity are high. 本发明涉及数控机床控制技术领域，具体涉及一种S形速度曲线快速插补计算的方法。所述的方法包括以下步骤：S101读取即时运动参数；S102即时运动参数按顺序初始化修正；S103输出当前的位置增量；S104按顺序修正运动参数获取所需实际参数；S105重复步骤S103，进入下一个循环。本发明的优点在于：方法简单、高效。优化效果好。实时性高，指向性高。