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1. 发明公开

EP0783934A2 Method for spindle speed optimization of motion profile 失效
标题翻译：维尔芬霍夫
公开(公告)号：EP0783934A2
公开(公告)日：1997-07-16
申请号：EP96308296.1
申请日：1996-11-15
申请人： COBURN OPTICAL INDUSTRIES, INC.
发明人： Gregory, Raymond D.
IPC分类号： B23Q15/08 , B24B9/14
CPC分类号： G05B19/4163 , G05B19/184 , G05B2219/34048 , G05B2219/43162 , G05B2219/45136 , G05B2219/45157 , G05B2219/49107
摘要： A method of speed optimization of a spindle component of a machine having multiple synchronized components moving along multiple axes over a motion profile. The method including a first step further including: obtaining a motion error value of a synchronous component over the motion profile as a function of frequency; identifying a plurality of contour portions of the motion profile; specifying the motion error tolerance for the motion profile according to the requirement of the application; calculating component numbers and component values of the synchronized component over a selected contour portion using a Fast Fourier Transform (FFT); selecting a first speed of the spindle component; calculating spindle frequency from the speed of the spindle component; and a second step further including: multiplying the spindle frequency by the component numbers to obtain tool component frequencies; calculating the motion error value for selected tool component frequencies; multiplying the motion error value of the frequency defined by the component number, and the component value to obtain an error prediction for each component number; combining the error predictions for each component number to obtain a maximum predicted motion error for the contour portion; comparing the maximum predicted motion error for the contour portion with the motion error tolerance wherein the maximum predicted motion error must be less than the motion tolerance; and selecting the greatest spindle speed wherein the maximum predicted motion error is less than the tolerance. The method of the present invention further includes interpolating the optimum spindle speed over the entire motion profile.
摘要翻译：该方法包括获得运动曲线上的同步分量的运动误差值R，其中每个运动误差值R是频率的函数。根据应用要求为运动曲线指定运动误差公差。识别运动曲线的多个轮廓部分。使用快速傅里叶变换计算所选轮廓部分上的同步分量的分量和分量值。该方法还需要选择主轴部件A的第一速度。第二步骤需要从主轴部件的速度计算主轴频率。主轴频率乘以所选的部件号，以获得刀具分量频率。针对所选择的刀具分量频率计算运动误差值R.

2. 发明公开

EP0783934A3 Method for spindle speed optimization of motion profile 失效
标题翻译：一种用于为运动轮廓的主轴转速的优化过程
公开(公告)号：EP0783934A3
公开(公告)日：1998-01-21
申请号：EP96308296.1
申请日：1996-11-15
申请人： COBURN OPTICAL INDUSTRIES, INC.
发明人： Gregory, Raymond D.
IPC分类号： B23Q15/08 , B24B9/14
CPC分类号： G05B19/4163 , G05B19/184 , G05B2219/34048 , G05B2219/43162 , G05B2219/45136 , G05B2219/45157 , G05B2219/49107
摘要： A method of speed optimization of a spindle component of a machine having multiple synchronized components moving along multiple axes over a motion profile. The method including a first step further including: obtaining a motion error value of a synchronous component over the motion profile as a function of frequency; identifying a plurality of contour portions of the motion profile; specifying the motion error tolerance for the motion profile according to the requirement of the application; calculating component numbers and component values of the synchronized component over a selected contour portion using a Fast Fourier Transform (FFT); selecting a first speed of the spindle component; calculating spindle frequency from the speed of the spindle component; and a second step further including: multiplying the spindle frequency by the component numbers to obtain tool component frequencies; calculating the motion error value for selected tool component frequencies; multiplying the motion error value of the frequency defined by the component number, and the component value to obtain an error prediction for each component number; combining the error predictions for each component number to obtain a maximum predicted motion error for the contour portion; comparing the maximum predicted motion error for the contour portion with the motion error tolerance wherein the maximum predicted motion error must be less than the motion tolerance; and selecting the greatest spindle speed wherein the maximum predicted motion error is less than the tolerance. The method of the present invention further includes interpolating the optimum spindle speed over the entire motion profile.

3. 发明公开

EP0779565A2 Constant delay filtering for synchronized motion on multiple axes 失效
标题翻译：过滤器，同步器，Mehrachsenantriebe
公开(公告)号：EP0779565A2
公开(公告)日：1997-06-18
申请号：EP96308295.3
申请日：1996-11-15
申请人： COBURN OPTICAL INDUSTRIES, INC.
发明人： Gregory, Raymond D.
IPC分类号： G05B19/19
CPC分类号： G05B19/416 , G05B2219/41187 , G05B2219/41192 , G05B2219/50216
摘要： In a linear feedback servo control system, the motion profile for each axis is pre-filtered before it is introduced to the servo loop for that axis. The motion profile is pre-filtered by a filter having an inverse amplitude response to the amplitude response of the servo loop. Therefore, the composite amplitude response of the filter/servo loop combination is approximately ideal for all relevant frequencies. The pre-filtering is done using constant delay filters, whether high pass, low pass or hybrid, that exhibit a phase lag corresponding to a time delay that is essentially constant at all relevant frequencies. Each axis of synchronized motion is pre-filtered with constant delay filters having the same time delay constant, but selected so that the motion of each axis provides sufficient accuracy within the intended bandwidth of that particular axis. Consequently, while phase lag is not zero, there is essentially constant delay for all axes at all relevant frequencies. Therefore, synchronized motion is preserved because motion in all axes is delayed by a constant amount.
摘要翻译：在线性反馈伺服控制系统中，每个轴的运动曲线在被引入到该轴的伺服回路之前被预先过滤。通过具有对伺服环路的幅度响应的反向振幅响应的滤波器对运动曲线进行预滤波。因此，滤波器/伺服回路组合的复合振幅响应对于所有相关频率近似理想。使用恒定延迟滤波器（无论是高通，低通还是混合）进行预滤波，其表现出对应于在所有相关频率基本上恒定的时间延迟的相位滞后。使用具有相同时间延迟常数的恒定延迟滤波器对同步运动的每个轴进行预滤波，但是被选择为使得每个轴的运动在该特定轴的预期带宽内提供足够的精度。因此，当相位滞后不为零时，对于所有相关频率的所有轴，基本上具有恒定的延迟。因此，保持同步运动，因为所有轴上的运动被延迟一定的量。

4. 发明公开

EP0822031A1 Method and apparatus for chucked work piece recognition 失效
标题翻译： Verfahren und Vorrichtung zum Erkennen eines aufgespanntenWerkstücks
公开(公告)号：EP0822031A1
公开(公告)日：1998-02-04
申请号：EP97304983.6
申请日：1997-07-08
申请人： Coburn Optical Industries, Inc.
发明人： Cook, Merritt S. , Brissey, Charles C. , Gregory, Raymond D.
IPC分类号： B24B13/005 , B24B47/22 , B24B49/12 , B23Q17/00 , B23Q17/24 , G05B19/12 , G05B19/409 , G05B19/418
CPC分类号： G05B19/128 , B23Q17/22 , B23Q17/24 , B24B13/005 , B24B47/22 , B24B49/12 , G05B2219/31304 , G05B2219/49302 , Y02P90/10
摘要： A recognition apparatus and method are provided for identifying the type of work piece loaded onto the rotating shaft chuck of an ophthalmic product generator. A digital electronic system supplies signals which control the angular displacement of the chuck. Each type of work piece has a unique pattern of passages aligned on a plane transverse to its rotational axis which rotate into and out of alignment with a single registration line in the plane. Unique signature data which identifies each type of work piece by the angular positions at which the passages come into and go out of alignment with the registration line is stored in the digital electronic system. A beam of light, preferably infrared, is continuously transmitted along the registration line during a signature rotation of the chuck. The angular positions of the loaded work piece and the status of an electrical signal generated when the light beam passes through the passages are detected and stored in the digital electronic system. The loaded work piece signature data is then sequentially compared with the unique signature data for each type of work piece that could be loaded into the generator. An electronic signal is transmitted by the digital electronic system upon determination of either a match or lack of a match. The transmitted signal may be used to continue or abort the generating process and/or to cause one or more unique messages descriptive of the job status to be visually displayed.
摘要翻译：提供了一种用于识别加载到眼用产品发生器的旋转轴卡盘上的工件的类型的识别装置和方法。数字电子系统提供控制卡盘的角位移的信号。每种类型的工件具有在横向于其旋转轴线的平面上对齐的通道的独特图案，其旋转进入和离开与平面中的单个配准线对准。在数字电子系统中存储了通过通道进入并与对齐线不对准的角位置识别每种类型的工件的唯一签名数据。在卡盘的签名旋转期间，光束（优选红外线）沿着配准线连续传输。加载的工件的角度位置和当光束通过通道时产生的电信号的状态被检测并存储在数字电子系统中。然后将加载的工件签名数据与可以加载到发电机中的每种类型的工件的唯一签名数据进行顺序比较。在确定匹配或不匹配时，数字电子系统发送电子信号。发送的信号可以用于继续或中止生成过程和/或使得描述作业状态的一个或多个唯一消息被可视地显示。

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