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1. 发明申请

US20160288442A1 SERVO PRESS, CONTROL METHOD, AND A RECORDING MEDIUM RECORDING A PROGRAM 审中-公开
标题翻译：伺服压力，控制方法和记录程序的记录介质
公开(公告)号：US20160288442A1
公开(公告)日：2016-10-06
申请号：US14969473
申请日：2015-12-15
申请人： Janome Sewing Machine Co., Ltd.
发明人： Shinji SUZUKI
IPC分类号： B30B15/26 , G05B19/4155
CPC分类号： B30B15/26 , B30B1/186 , G05B19/4155 , G05B2219/34016
摘要： A number of pulses output from an encoder is counted, a number of pulses output from a command pulse output unit is counted, and a difference between the number of pulses that has been counted by the command pulse counting unit and the number of pulses from the encoder is calculated. Then, a condition is changed such that speed/acceleration of a pulse motor increases when a difference value between a deviation threshold and the difference is smaller than a predetermined range, and the speed/acceleration of the pulse motor decreases when the difference value is greater than the predetermined range, and whereby the pulse motor is controlled based on a position of a slider detected by a slider position detection unit, a position of the slider that has been set, and the pulse condition that has been changed.
摘要翻译：从编码器输出的脉冲数被计数，从指令脉冲输出单元输出的脉冲数被计数，并且由指令脉冲计数单元计数的脉冲数和来自脉冲数的脉冲数编码器被计算。然后，当偏差阈值和差值之间的差值小于预定范围时，改变脉冲电动机的速度/加速度的条件，并且当差值较大时脉冲电动机的速度/加速度减小并且由此基于由滑块位置检测单元检测到的滑块的位置，已经设置的滑块的位置和已经改变的脉冲条件来控制脉冲电机。

2. 发明申请

US20160263854A1 SERVO PRESS AND CONTROL METHOD 审中-公开
标题翻译：伺服压力和控制方法
公开(公告)号：US20160263854A1
公开(公告)日：2016-09-15
申请号：US14969694
申请日：2015-12-15
申请人： Janome Sewing Machine Co., Ltd.
发明人： Shinji SUZUKI
IPC分类号： B30B15/26 , G05B19/10 , B30B15/14
CPC分类号： B30B15/26 , B30B1/186 , B30B15/148 , G05B19/404 , G05B2219/2622 , G05B2219/45137 , G05B2219/49209
摘要： Highly accurate press working is performed while responding to mechanical alteration due to thermal expansion. Prior to a series of processing to a workpiece, a servomotor control unit moves a slide to a stop position, and a sensing value detecting unit detects a sensing value of a sensing element at the stop position of the slide, and stores the detected sensing value. Then, in the series of processing, the sensing value detecting unit detects a sensing value of the sensing element at the stop position of the slide, and stores the detected sensing value in the processing sensing value storing unit. A correction value calculating unit calculates a correction value based on the two store values, and a servomotor control unit controls the servomotor based on the detected slide position, the slide position that has been set, and the correction value calculated by the correction value calculating unit.
摘要翻译：在对由于热膨胀引起的机械改变作出响应的同时执行高精度的压力加工。在对工件进行一系列处理之前，伺服电机控制单元将滑块移动到停止位置，并且感测值检测单元检测在滑块的停止位置处的感测元件的感测值，并将检测到的感测值。然后，在一系列处理中，感测值检测单元检测在滑块的停止位置处的感测元件的感测值，并将检测到的感测值存储在处理感测值存储单元中。校正值计算单元基于两个存储值计算校正值，并且伺服电机控制单元基于检测到的滑动位置，已经设置的滑动位置和由校正值计算单元计算的校正值来控制伺服电动机。

3. 发明申请

US20160243780A1 SERVO PRESS, CONTROL METHOD, AND PROGRAM 审中-公开
标题翻译：伺服压力，控制方法和程序
公开(公告)号：US20160243780A1
公开(公告)日：2016-08-25
申请号：US14969344
申请日：2015-12-15
申请人： Janome Sewing Machine Co., Ltd.
发明人： Shinji SUZUKI
IPC分类号： B30B15/14 , G05B19/10
CPC分类号： B30B15/148 , B30B15/26 , G05B19/106 , G05B2219/2622
摘要： There is provided a servo press capable of performing press working with high accuracy without an increased cost, for example, without any additional special component such as a linear encoder or the like even in a system in which deviation occurs due to disturbances, as well as a control method and a program disturbance. A sensing element is disposed at a stop position of a slide. A servomotor control unit performs: semi-closed loop control based on information detected by a first slide position detection unit disposed at a servomotor, before a signal detection unit detects a signal from the sensing element, and full-closed loop control based on information detected by a second slide position detection unit, after the signal detection unit detects the signal from the sensing element.
摘要翻译：提供了一种能够以高精度执行冲压加工而不增加成本的伺服机，例如，即使在由于干扰而发生偏差的系统中，也不需要任何附加的特殊部件，例如线性编码器等，以及控制方法和程序干扰。感测元件设置在滑块的停止位置。伺服电机控制单元，在信号检测单元检测到来自感测元件的信号之前，基于由设置在伺服电动机上的第一滑动位置检测单元检测到的信息进行半闭环控制，并且基于检测到的信息进行全闭环控制通过第二滑动位置检测单元，在信号检测单元检测到来自感测元件的信号之后。

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