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1. 发明授权

US08393264B2 Press machine 有权
标题翻译：压机
公开(公告)号：US08393264B2
公开(公告)日：2013-03-12
申请号：US12726354
申请日：2010-03-18
申请人： Takeki Inoue , Yuji Shiozaki
发明人： Takeki Inoue , Yuji Shiozaki
IPC分类号： B30B15/14 , B30B15/28
CPC分类号： B30B1/266 , B30B15/148 , B30B15/285 , G05B19/4061 , G05B2219/37624 , G05B2219/41379 , G05B2219/42295
摘要： A press machine includes a cushion shaft, a press shaft, a motor, and a motor control device. The cushion shaft is connected to a lower die. The press shaft is connected to an upper die and configured to press a workpiece between the upper die and the lower die in cooperation with the cushion shaft. The motor is configured to drive the upper die. The motor control device is configured to control the motor and includes a disturbance observer and an intrusion detector. The disturbance observer is configured to calculate an estimated disturbance value with respect to the motor based on a torque command and a motor velocity of the motor. The intrusion detector is configured to detect, based on the estimated disturbance value, a state of a foreign object between the press shaft and the cushion shaft.
摘要翻译：压机包括缓冲轴，压轴，马达和马达控制装置。缓冲轴连接到下模。压力轴连接到上模，并且构造成与缓冲轴协作地在上模与下模之间挤压工件。电动机配置为驱动上模。电动机控制装置被配置为控制电动机并且包括干扰观测器和入侵检测器。扰动观测器被配置为基于电动机的转矩指令和电动机速度来计算相对于电动机的估计干扰值。入侵检测器被配置为基于估计的干扰值来检测压轴和缓冲轴之间的异物的状态。

2. 发明申请

US20100242748A1 PRESS MACHINE 有权
标题翻译：压机
公开(公告)号：US20100242748A1
公开(公告)日：2010-09-30
申请号：US12726354
申请日：2010-03-18
申请人： Takeki INOUE , Yuji Shiozaki
发明人： Takeki INOUE , Yuji Shiozaki
IPC分类号： B30B15/14
CPC分类号： B30B1/266 , B30B15/148 , B30B15/285 , G05B19/4061 , G05B2219/37624 , G05B2219/41379 , G05B2219/42295
摘要： A press machine includes a cushion shaft, a press shaft, a motor, and a motor control device. The cushion shaft is connected to a lower die. The press shaft is connected to an upper die and configured to press a workpiece between the upper die and the lower die in cooperation with the cushion shaft. The motor is configured to drive the upper die. The motor control device is configured to control the motor and includes a disturbance observer and an intrusion detector. The disturbance observer is configured to calculate an estimated disturbance value with respect to the motor based on a torque command and a motor velocity of the motor. The intrusion detector is configured to detect, based on the estimated disturbance value, a state of a foreign object between the press shaft and the cushion shaft.
摘要翻译：压机包括缓冲轴，压轴，马达和马达控制装置。缓冲轴连接到下模。压力轴连接到上模，并且构造成与缓冲轴协作地在上模与下模之间挤压工件。电动机配置为驱动上模。电动机控制装置被配置为控制电动机并且包括干扰观测器和入侵检测器。扰动观测器被配置为基于电动机的转矩指令和电动机速度来计算相对于电动机的估计干扰值。入侵检测器被配置为基于估计的干扰值来检测压轴和缓冲轴之间的异物的状态。

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