华东师范大学学报（自然科学版）Issue(6)：39-45,7.DOI:10.3969/j.issn.1000-5641.2025.06.005
痰染片制片系统中步进电机启停控制算法的优化设计与实现
Optimized design and implementation of stepper motor start-stop control algorithm in the sputum smear slide preparation system
庄泉洁 1陈子娇 2肖志睿 1刘洪英2
作者信息
- 1. 上海澜澈生物科技有限公司,上海 200241
- 2. 华东师范大学 上海市多维度信息处理重点实验室,上海 200241
- 折叠
摘要
Abstract
Stepper motors play a key role in the workflow of automatic sputum smear slide preparation and staining.During the startup and shutdown processes of a motor,the rapid changes experienced by the motor speed necessitate excellent motor startup and shutdown control algorithms.First,the overload phenomenon caused by the excessive torque required during the sudden high-speed startup of the motor should be avoided to protect the motor from damage.Second,during deceleration,sudden stoppage of the high-speed rotating motor should be prevented to reduce the inertial impact on the motor and minimize the resulting motion deviation.This study aimed to optimize the startup and shutdown control algorithms for stepper motors.During the startup and shutdown stages,an S-shaped curve was adopted to achieve smooth changes in motor speed.This S-shaped speed change curve was designed based on the Logistic function,to ensure smooth changes in motor speed during startup and shutdown,thereby avoiding the impact caused by sudden acceleration or deceleration.A 7-segment acceleration and deceleration optimization algorithm was employed to achieve effective control of the motor overall motion.Simulation experiments were conducted to verify the effectiveness of the algorithm.The stepper motor exhibited an S-shaped change in its speed-time curve during the startup and shutdown intervals,ensuring smooth startup and shutdown of the motor.Actual test results show that after adopting the S-shaped acceleration and deceleration startup and shutdown control algorithm,the positional error was within±0.05 mm,a significant reduction compared to the±0.9 mm caused by the trapezoidal control algorithm.This demonstrates that the S-shaped acceleration and deceleration startup and shutdown control algorithms achieve remarkable results in reducing positional errors.关键词
步进电机/启停控制/7段式S型加减速控制算法/位置误差Key words
stepper motor/start-stop control/7-segment S-shaped acceleration and deceleration control algorithm/positional error分类
信息技术与安全科学引用本文复制引用
庄泉洁,陈子娇,肖志睿,刘洪英..痰染片制片系统中步进电机启停控制算法的优化设计与实现[J].华东师范大学学报（自然科学版）,2025,(6):39-45,7.
