1.Introduction.Ni-Mn-X(X=Ga,In,Sn,or Sb)Heusler alloys have versatile properties[1-4],such as shape memory effect[1],superelastic-ity[5],magnetocaloric effect[3],elastocaloric effect[6],and even multicaloric effect[7]...1.Introduction.Ni-Mn-X(X=Ga,In,Sn,or Sb)Heusler alloys have versatile properties[1-4],such as shape memory effect[1],superelastic-ity[5],magnetocaloric effect[3],elastocaloric effect[6],and even multicaloric effect[7],that indicate their potential for use in actu-ators,sensors,micropumps,energy harvesters,and solid-state re-frigeration[8-10].Among the alloys,Ni-Mn-Sn-based alloys are environment-friendly and cost-effective[6,7,11],and hence,they have received widespread attention.展开更多
锻压装备水平是衡量一个国家装备制造业水平高低的重要指标,具有复合性、高效率、高精度、高柔性和低噪环保等特点的伺服控制精密压力机是锻压设备的发展方向。针对新型精密伺服锻压设备存在的非线性、电动机精确同步与控制等瓶颈问题,...锻压装备水平是衡量一个国家装备制造业水平高低的重要指标,具有复合性、高效率、高精度、高柔性和低噪环保等特点的伺服控制精密压力机是锻压设备的发展方向。针对新型精密伺服锻压设备存在的非线性、电动机精确同步与控制等瓶颈问题,在分析该类压力机工作原理并进行运动反求的基础上,利用机电控多学科领域知识集成,在多领域统一建模软件SimulationX中构建压力机仿真模型,分析机械结构的合理性及精度可靠性并寻求非线性控制策略,结合Beckhoff控制器搭建基于过程控制对象链接与嵌入(Object linking and embedding(OLE)for process control,OPC)通信协议的硬件在环仿真平台,验证控制策略的可行性,解决了同步问题;并将该控制方案运用在双点伺服压力机上进行重复停止精度试验,实现重复停止精度在±10μm以内。研究表明,SimulationX及硬件在环仿真应用在伺服压力机设计中是可行的。展开更多
基金supported by the National Key R&D Pro-gram of China(No.2022YFB3805701)National Natural Science Foundation of China(NSFC)(No.52371182,51701052,52192592,52192593)+1 种基金Young Elite Scientists Sponsorship Program by CAST(No.2019QNRC001)the Heilongjiang Touyan Innovation Team Program.
文摘1.Introduction.Ni-Mn-X(X=Ga,In,Sn,or Sb)Heusler alloys have versatile properties[1-4],such as shape memory effect[1],superelastic-ity[5],magnetocaloric effect[3],elastocaloric effect[6],and even multicaloric effect[7],that indicate their potential for use in actu-ators,sensors,micropumps,energy harvesters,and solid-state re-frigeration[8-10].Among the alloys,Ni-Mn-Sn-based alloys are environment-friendly and cost-effective[6,7,11],and hence,they have received widespread attention.
文摘锻压装备水平是衡量一个国家装备制造业水平高低的重要指标,具有复合性、高效率、高精度、高柔性和低噪环保等特点的伺服控制精密压力机是锻压设备的发展方向。针对新型精密伺服锻压设备存在的非线性、电动机精确同步与控制等瓶颈问题,在分析该类压力机工作原理并进行运动反求的基础上,利用机电控多学科领域知识集成,在多领域统一建模软件SimulationX中构建压力机仿真模型,分析机械结构的合理性及精度可靠性并寻求非线性控制策略,结合Beckhoff控制器搭建基于过程控制对象链接与嵌入(Object linking and embedding(OLE)for process control,OPC)通信协议的硬件在环仿真平台,验证控制策略的可行性,解决了同步问题;并将该控制方案运用在双点伺服压力机上进行重复停止精度试验,实现重复停止精度在±10μm以内。研究表明,SimulationX及硬件在环仿真应用在伺服压力机设计中是可行的。
