针对三冗余机电静压伺服系统的研制需求,设计了基于双核全可编程片上系统(All Programmable System on Chip,APSoC)技术的多总线三冗余伺服控制驱动器。通过数字总线实现子控制驱动模块之间信息共享,采用IP核技术实现硬件加速、多电机...针对三冗余机电静压伺服系统的研制需求,设计了基于双核全可编程片上系统(All Programmable System on Chip,APSoC)技术的多总线三冗余伺服控制驱动器。通过数字总线实现子控制驱动模块之间信息共享,采用IP核技术实现硬件加速、多电机高速并行控制;通过试验验证多电机控制的同步性能和测量细节全还原技术;采用多种温度、压力传感器、过流保护电路等构建伺服系统健康网络体系,结合余度表决和故障切除逻辑搭建了三冗余控制驱动平台,对多任务的不同实时性需求分配任务等级,双核协同工作,研制的产品实物通过了系统验证。展开更多
An electro-hydraulic actuator for the thrust vector control(TVC)of a throttlable kerolox rocket engine is introduced in this paper.The creative feature is an integrated hydraulic power drive unit,where a constant spee...An electro-hydraulic actuator for the thrust vector control(TVC)of a throttlable kerolox rocket engine is introduced in this paper.The creative feature is an integrated hydraulic power drive unit,where a constant speed kerosene motor is used to draw high pressure kerosene from the engine and to drive a constant pressure variable displacement piston pump,acting as the power supply for the actuator.Its operational mechanism,to accommodate the varying pressure from the turbo-pump of a throttling engine,lies in a pressure-reducing flow regulator inserted at the motor inlet.Another key point is that the displacement of the motor is reasonably bigger than the pump so that a sufficiently wide range of pressures can be adapted.Modeling analysis and flight test results were well matched,which show the outstanding performance of this novel type actuator.展开更多
文摘针对三冗余机电静压伺服系统的研制需求,设计了基于双核全可编程片上系统(All Programmable System on Chip,APSoC)技术的多总线三冗余伺服控制驱动器。通过数字总线实现子控制驱动模块之间信息共享,采用IP核技术实现硬件加速、多电机高速并行控制;通过试验验证多电机控制的同步性能和测量细节全还原技术;采用多种温度、压力传感器、过流保护电路等构建伺服系统健康网络体系,结合余度表决和故障切除逻辑搭建了三冗余控制驱动平台,对多任务的不同实时性需求分配任务等级,双核协同工作,研制的产品实物通过了系统验证。
文摘An electro-hydraulic actuator for the thrust vector control(TVC)of a throttlable kerolox rocket engine is introduced in this paper.The creative feature is an integrated hydraulic power drive unit,where a constant speed kerosene motor is used to draw high pressure kerosene from the engine and to drive a constant pressure variable displacement piston pump,acting as the power supply for the actuator.Its operational mechanism,to accommodate the varying pressure from the turbo-pump of a throttling engine,lies in a pressure-reducing flow regulator inserted at the motor inlet.Another key point is that the displacement of the motor is reasonably bigger than the pump so that a sufficiently wide range of pressures can be adapted.Modeling analysis and flight test results were well matched,which show the outstanding performance of this novel type actuator.
