电液比例控制技术和策略及其在锻压设备中的应用  

Technology and Strategy of Electro-hydraulic Proportional Control and Its Application in the Forging Equipment

作　　者：李小龙[1] 夏琴香[1] 周思聪[1] 林叶海 叶小舟 

机构地区：[1]华南理工大学机械与汽车工程学院,广东广州510640 [2]中山中炬精工机械有限公司,广东中山528400

出　　处：《机床与液压》2010年第11期119-122,126,共5页Machine Tool & Hydraulics

基　　金：2006年广东省教育部产学研合作项目(2006D90304021)

摘　　要：详细介绍电液比例方向控制、电液比例流量控制、电液比例压力控制、电液伺服比例控制等电液比例阀技术,电液比例泵技术及PID控制、自适应控制、鲁棒控制、非连续系统控制、智能控制、复合控制等电液比例控制策略。由于电液比例控制技术与控制策略相结合能够更好地满足液压控制系统的高响应、高精度的要求,解决系统的非线性、时变等复杂问题,其在锻压设备中得到了广泛的应用。The valve technologies of electro-hydraulic proportional control,such as direction control,flow control,pressure control and servo control of electro-hydraulic proportion,as well as the technology of electro-hydraulic proportional pump control were introduced.The strategy of the electro-hydraulic proportional control,such as PID control,self-adoption control,robust control,discrete system control,intelligent control and compound control were discussed.The combination of the control technology and the control strategy of the electro-hydraulic proportion can satisfy the demands of high-response and high-precision,and solve the complex problems of nonlinear,time-varying of the hydraulic control system more efficiently,it is widely used in the forging equipment.

关 键 词：电液比例控制 控制技术 控制策略 锻压设备 

分 类 号：TH137[机械工程—机械制造及自动化]