2023年第5期仪表技术与传感器InstrumentTechniqueandSensor2023No．5收稿日期:2022－11－16基于霍尔传感器的汽车天窗防夹系统设计李博1，宫迎娇2，3，张元良1(1．大连理工大学机械工程学院，辽宁大连116024;2．传感器国家工程研究中心，辽宁沈阳110043;3．沈阳仪表科学研究院有限公司，辽宁沈阳110043)摘要:针对天窗在起翘－滑动过程中，机构阻力导致天窗误防夹的问题，提出了基于高斯模型的天窗防夹控制算法。文中算法采集汽车天窗正常关闭过程中的霍尔脉冲信息，对每个位置的霍尔脉宽进行高斯异常检测模型建模。在运行中采集霍尔脉宽信息，通过高斯模型判断数据是否异常。将异常数据与均值进行差分计算，差分结果与比例因子的乘积进行窗口内累加，通过累加和与标定阈值比较，判断是否发生防夹。经实验测试，该方法可以有效减小机构阻力对天窗防夹的影响并满足国家标准要求。关键词:防夹算法;高斯模型;霍尔脉冲;汽车天窗中图分类号:TP271文献标识码:A文章编号:1002－1841(2023)05－0064－06DesignofAutomotiveSunroofAnti-pinchSystemBasedonHallSensorLIBo1，GONGYing-jiao2，3，ZHANGYuan-liang1(1．SchoolofMechanicalEngineering，DalianUniversityofTechnology，Dalian116024，China;2．NationalEngineeringＲesearchCenterofTransducer，Shenyang110043，China;3．ShenyangAcademyOfInstrumentationScienceCO．，LTD．，Shenyang110043，China)Abstract:AGaussianmodel-basedanti-pinchcontrolalgorithmwasproposedfortheproblemoffalseanti-pinchingofsun-roofsduetomechanismresistanceduringthecocking-slidingprocess．ThealgorithmcapturedHallpulsewidthinformationduringthenormalclosingofacarsunroof，andtheGaussiananomalydetectionmodelwasbuiltfortheHallpulsewidthateachposition．TheHallpulsewidthinformationwascollectedduringoperation，andwhetherthedatawasabnormalwasjudgedbytheGaussianmodel．Theabnormaldataandthemeanwerecalculateddifferentially，andtheproductofthedifferenceresultandthescalefactorwasaccumulatedwithinthewindow，andwhetheranti-pinchoccurswasjudgedbytheaccumulationsumandcomparisonwiththecalibrationthreshold．Afterexperimentaltests，thismethodcaneffectivelyreducetheinfluenceofmechanismresistanceonsunroofanti-pinchandmeettherequirementsofnationalstandards．Keywords:...
