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公开(公告)号：US09639082B2
公开(公告)日：2017-05-02
申请号：US13502286
申请日：2010-10-27
IPC分类号： G05B19/418 , G07C3/14
CPC分类号： G05B19/41875 , G05B2219/25186 , G05B2219/33192 , G05B2219/37494 , G07C3/14 , Y02P90/22
摘要： A module for monitoring industrial processes for use in a system for monitoring industrial processes that comprises sensor means (7; 17) for detecting process quantities in a process station (20), acquisition means (8, 32; 32′; 32″) for acquiring measurement signals (R) issued by said sensor means (7; 17), processing means (9; 19) operating on signals (T; T1) generated by said acquisition means (8, 32; 32′; 32″) to obtain information on the quality of the process, and means for managing the production flow (9; 19), which operate on the basis of said information on the quality of the process and are located in a workstation (50) that is remote with respect to said process station, said monitoring module (30) being configured for being set locally at said at least one process station (20) for receiving measurement signals (R) issued by said sensor means (7; 17). Said monitoring module (30), set locally at said process station (20) comprises means (32″) for acquisition and processing of the measurement signals (R), which in turn comprise means (33) for encoding said measurement signals (R) generated by said sensor means (17) into encoded signals, and wireless transmission means (42) associated to said acquisition means (32″) configured for sending the encoded signals (T; T1) generated by said acquisition means (32″) to corresponding wireless receiver means (82; 43) comprised in said remote workstation (50) that comprises said means for managing the production flow (19) and said processing means (9), which operate on signals (T; T1) generated by said acquisition means (32″) to obtain information on the quality of the process, said acquisition means (32″) comprising a voltage-to-frequency converter (72) for converting said measurement signals (R) into a pulse train (T1) at a variable frequency greater than or equal to 65 536 Hz.
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2.发明授权Method for controlling the quality of industrial processes, in particular laser-welding processes 有权控制工业过程质量的方法，特别是激光焊接工艺公开(公告)号：US08571823B2
公开(公告)日：2013-10-29
申请号：US12724724
申请日：2010-03-16
CPC分类号： B23K26/032 , G05B2219/37217 , Y10S706/90 , Y10S706/904
摘要： A system and a method for controlling the quality of an industrial process, of the type that comprises the steps of: providing one or more reference signals for the industrial process; acquiring one or more real signals that are indicative of the quality of said industrial process; and comparing said one or more reference signals with said one or more real signals in order to identify defects in said industrial process. According to the invention, the method moreover comprises the operations of: obtaining a transformed signal from said reference signal; obtaining a transformed signal from said real signal; and calculating energies of said transformed reference signal and said real signal, respectively, said comparison operation comprising; comparing with one another said energies of said transformed reference signal and said transformed real signal, respectively, in order to extract corresponding time-frequency distribution for selected frequency values; calculating energies of said time-frequency distributions; and comparing the energies of said time-frequency distributions with threshold values in order to identify energy values associated to defects.
摘要翻译： 一种用于控制工业过程质量的系统和方法，包括以下步骤：为工业过程提供一个或多个参考信号; 获取指示所述工业过程的质量的一个或多个真实信号; 以及将所述一个或多个参考信号与所述一个或多个实信号进行比较，以便识别所述工业过程中的缺陷。 根据本发明，该方法还包括以下操作：从所述参考信号获得变换信号; 从所述真实信号获得变换信号; 以及分别计算所述变换的参考信号和所述实信号的能量，所述比较操作包括： 彼此分别表示所述变换的参考信号和所述经变换的实信号的能量，以便提取所选频率值的相应时频分布; 计算所述时频分布的能量; 以及将所述时间 - 频率分布的能量与阈值进行比较，以便识别与缺陷相关联的能量值。
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3.发明申请公开(公告)号：US20050288811A1
公开(公告)日：2005-12-29
申请号：US11086572
申请日：2005-03-23
CPC分类号： B23K26/032 , B23K31/125
摘要： A method for controlling the quality of industrial processes, of the type comprising the steps of: making available one or more relating to the industrial process acquiring one or more real signals, indicative of the quality of said industrial process, comparing said one or more reference signal to said one or more real signals to identify defects in said industrial process. According to the invention the method further comprises the operations of: obtaining a transformed signal from said reference signal; obtaining a transformed signal from said real signal; calculating energies of said transformed signals, respectively reference and real, said comparing operation comprising: comparing said energies of said transformed signals respectively reference and real to extract corresponding time frequency distributions for selected frequency values; calculating energies of said time frequency distributions; comparing the energies of said time frequency distributions with threshold values to identify energy values associated to defects.
摘要翻译： 一种用于控制工业过程质量的方法，包括以下步骤：提供一个或多个涉及工业过程的工业过程，所述工业过程获取指示所述工业过程的质量的一个或多个实际信号，比较所述一个或多个参考 信号到所述一个或多个实际信号以识别所述工业过程中的缺陷。 根据本发明，该方法还包括以下操作：从所述参考信号获得变换信号; 从所述真实信号获得变换信号; 计算分别参考和实数的所述变换信号的能量，所述比较操作包括：将所述变换信号的所述能量分别为参考和实数进行比较，以提取所选频率值的相应时间频率分布; 计算所述时间频率分布的能量; 将所述时间频率分布的能量与阈值进行比较，以识别与缺陷相关联的能量值。
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4.发明申请Method for controlling the quality of laser-welding processes, control system and program product therefor 审中-公开控制激光焊接工艺质量的方法，控制系统及程序产品公开(公告)号：US20120325785A1
公开(公告)日：2012-12-27
申请号：US13507042
申请日：2012-05-31
IPC分类号： B23K26/20
CPC分类号： B23K26/032 , B23K26/0665
摘要： Described herein is a method for controlling the quality of a laser-welding process, for example, of laser welds of semifinished products constituted by elements of sheet metal of different thickness and/or properties (“tailored blanks”), of the type that comprises the steps of: detecting a radiation (E*) produced in the welding area and issuing signals (E*) indicating said radiation; acquiring and processing said signals (E*) indicating said radiation; making a division into blocks of said signals (E*) indicating said radiation; calculating for each block a block-mean value (u) and a value of block standard deviation (o); and in supplying input values comprising block-mean values (u) and values standard deviation (o) for identifying defects and/or porosities and insufficient penetration.
摘要翻译： 这里描述了一种用于控制激光焊接工艺的质量的方法，例如，由不同厚度和/或性质（定制空白）的金属板元件构成的半成品的激光焊接的质量，其包括步骤 检测在焊接区域产生的辐射（E *）并发出指示所述辐射的信号（E *）; 获取并处理表示所述辐射的所述信号（E *）; 将所述信号（E *）的块划分成指示所述辐射的块; 计算每个块的块平均值（u）和块标准偏差（o）的值; 并且提供包括用于识别缺陷和/或孔隙率和渗透不足的块平均值（u）和值标准偏差（o）的输入值。
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5.发明授权公开(公告)号：US07440870B2
公开(公告)日：2008-10-21
申请号：US11224117
申请日：2005-09-13
CPC分类号： B23K26/032
摘要： The invention relates to a system for monitoring industrial processes, comprising sensor means for detecting one or more process quantities in at least one process station, acquisition and processing means operating on signals generated by the sensor means for obtaining information on process quality and means for managing the manufacturing flow operating on the basis of the information on process quality. The acquisition and processing means are arranged locally in the at least one process station, the means for managing the manufacturing flow are arranged in a remote position with respect to the acquisition and processing means, and it is provided for wireless transceiver means for exchanging the information on process quality between the acquisition and processing means and the means for managing the manufacturing flow.
摘要翻译： 本发明涉及一种用于监测工业过程的系统，包括用于检测至少一个处理站中的一个或多个处理量的传感器装置，对由传感器装置产生的信号进行操作的采集和处理装置，以获得关于过程质量的信息和用于管理的装置 制造流程基于过程质量信息运行。 采集和处理装置本地设置在至少一个处理站中，用于管理制造流程的装置相对于采集和处理装置被布置在远程位置，并且被提供给用于交换信息的无线收发器装置 关于采购和处理手段之间的流程质量以及管理制造流程的手段。
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公开(公告)号：US20060149508A1
公开(公告)日：2006-07-06
申请号：US11244049
申请日：2005-10-06
IPC分类号： G06F11/00
CPC分类号： G05B19/41875 , G05B2219/25186 , G05B2219/37494 , Y02P90/04 , Y02P90/18 , Y02P90/22
摘要： The invention describes a system for monitoring industrial processes, comprising sensor means for detecting one or more process quantities in at least one process station, acquisition means for acquiring measuring signals emitted by said sensor means, processing means operating on signals generated by said acquisition means for obtaining process information, and means for managing the manufacturing flow operating on the basis of said information on process quality. According to the invention, said acquisition means are arranged locally in said at least one process station and comprise means for coding said measuring signals generated by said sensor means into coded signals, said means for managing the manufacturing flow are arranged in remote position with respect to acquisition means and there are wireless transceiver means associated to said acquisition means for sending coded signals generated by said acquisition means to said means for managing the manufacturing flow.
摘要翻译： 本发明描述了一种用于监测工业过程的系统，包括用于检测至少一个处理站中的一个或多个处理量的传感器装置，用于获取由所述传感器装置发射的测量信号的获取装置，对由所述获取装置产生的信号进行操作的处理装置， 获取过程信息，以及用于管理基于所述关于过程质量的信息操作的制造流程的装置。 根据本发明，所述获取装置被局部地布置在所述至少一个处理站中，并且包括用于将由所述传感器装置产生的所述测量信号编码成编码信号的装置，所述用于管理制造流程的装置相对于 获取装置，并且存在与所述获取装置相关联的用于将由所述获取装置生成的编码信号发送到所述用于管理制造流程的装置的无线收发装置。
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7.发明授权System for the control of the quality of a laser cut or perforation, in particular for sheets of metal 失效用于控制激光切割或穿孔质量的系统，特别是用于金属片公开(公告)号：US06674044B2
公开(公告)日：2004-01-06
申请号：US10166215
申请日：2002-06-10
IPC分类号： B23K2614
CPC分类号： B23K26/032 , B23K26/38
摘要： In a system for the control of the quality of a laser cut or perforation, comprising means to focus a laser beam onto a cut or perforation zone, photodiode sensor means to detect the radiation emitted by the cut or perforation zone, and a control and processing electronic unit to process the signals emitted by said sensor means an optical filter is provided that is associated with said photodiode sensor means to select an optical band around 620 nm. The signal coming from said sensor means is acquired with a frequency comprised between 10 and 60 kHz and filtered with a band-pass filter between 7 and 16 kHz. In this way the control of the quality of the cut or perforation can be carried out on the basis of the sole signal thus processed, without the need of a comparison with the predetermined reference signal corresponding to a good quality cut or perforation.
摘要翻译： 在用于控制激光切割或穿孔质量的系统中，包括将激光束聚焦到切割或穿孔区域的装置，用于检测由切割或穿孔区域发射的辐射的光电二极管传感器装置，以及控制和处理 电子单元处理由所述传感器装置发射的信号，提供与所述光电二极管传感器装置相关联的滤光器，以选择620nm附近的光学带。 来自所述传感器装置的信号以10和60kHz之间的频率被采集，并用7和16kHz之间的带通滤波器进行滤波。 以这种方式，可以基于如此处理的唯一信号来执行切割或穿孔质量的控制，而不需要与对应于良好质量切割或穿孔的预定参考信号进行比较。
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8.发明授权System and method for monitoring painting quality of components, in particular of motor-vehicle bodies 有权用于监测组件，特别是机动车车身的涂装质量的系统和方法公开(公告)号：US09207188B2
公开(公告)日：2015-12-08
申请号：US13306420
申请日：2011-11-29
CPC分类号： G01N21/9515 , G01N2021/9518
摘要： A system and a method for monitoring painting quality of components, for example of motor-vehicle bodies, comprises a robot which moves a monitoring head to follow the components to be monitored while they move along a production line. The monitoring head moves with respect to the surface to be monitored and comprises both a source of light and a camera which receives the light emitted by the source of light which is reflected by the monitored surface. An electronic processing unit receives the signals coming from the camera and processes them according to different processing algorithms for detecting various categories of defects, specifically small defects, medium defects, and large defects.
摘要翻译： 用于监测例如机动车车身的部件的喷涂质量的系统和方法包括：机器人，当机器人沿着生产线移动时，移动监控头以跟随待监控的部件。 监测头相对于待监测的表面移动，并且包括光源和照相机，其接收由被监测表面反射的光源发射的光。 电子处理单元接收来自相机的信号，并根据不同的处理算法进行处理，以检测各种类型的缺陷，特别是小缺陷，中等缺陷和大缺陷。
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公开(公告)号：US20120245893A1
公开(公告)日：2012-09-27
申请号：US13502286
申请日：2010-10-27
IPC分类号： G06F15/00
CPC分类号： G05B19/41875 , G05B2219/25186 , G05B2219/33192 , G05B2219/37494 , G07C3/14 , Y02P90/22
摘要： A module for monitoring industrial processes for use in a system for monitoring industrial processes that comprises sensor means (7; 17) for detecting process quantities in a process station (20), acquisition means (8, 32; 32′; 32″) for acquiring measurement signals (R) issued by said sensor means (7; 17), processing means (9; 19) operating on signals (T; T1) generated by said acquisition means (8, 32; 32′; 32″) to obtain information on the quality of the process, and means for managing the production flow (9; 19), which operate on the basis of said information on the quality of the process and are located in a workstation (50) that is remote with respect to said process station, said monitoring module (30) being configured for being set locally at said at least one process station (20) for receiving measurement signals (R) issued by said sensor means (7; 17). Said monitoring module (30), set locally at said process station (20) comprises means (32″) for acquisition and processing of the measurement signals (R), which in turn comprise means (33) for encoding said measurement signals (R) generated by said sensor means (17) into encoded signals, and wireless transmission means (42) associated to said acquisition means (32″) configured for sending the encoded signals (T; T1) generated by said acquisition means (32″) to corresponding wireless receiver means (82; 43) comprised in said remote workstation (50) that comprises said means for managing the production flow (19) and said processing means (9), which operate on signals (T; T1) generated by said acquisition means (32″) to obtain information on the quality of the process, said acquisition means (32″) comprising a voltage- to- frequency converter (72) for converting said measurement signals (R) into a pulse train (T1) at a variable frequency greater than or equal to 65 536 Hz.
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10.发明申请SYSTEM AND METHOD FOR MONITORING PAINTING QUALITY OF COMPONENTS, IN PARTICULAR OF MOTOR-VEHICLE BODIES 有权用于监控电动车身部件特性的部件质量的系统和方法公开(公告)号：US20120218405A1
公开(公告)日：2012-08-30
申请号：US13306420
申请日：2011-11-29
IPC分类号： H04N7/18
CPC分类号： G01N21/9515 , G01N2021/9518
摘要： A system and a method for monitoring painting quality of components, for example of motor-vehicle bodies, comprises a robot which moves a monitoring head to follow the components to be monitored while they move along a production line. The monitoring head moves with respect to the surface to be monitored and comprises both a source of light and a camera which receives the light emitted by the source of light which is reflected by the monitored surface. An electronic processing unit receives the signals coming from the camera and processes them according to different processing algorithms for detecting various categories of defects, specifically small defects, medium defects, and large defects.
摘要翻译： 用于监测例如机动车车身的部件的喷涂质量的系统和方法包括：机器人，当机器人沿着生产线移动时，移动监控头以跟随待监控的部件。 监测头相对于待监测的表面移动，并且包括光源和照相机，其接收由被监测表面反射的光源发射的光。 电子处理单元接收来自相机的信号，并根据不同的处理算法进行处理，以检测各种类型的缺陷，特别是小缺陷，中等缺陷和大缺陷。
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