Module for monitoring industrial processes

    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

    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.

    Method for controlling the quality of industrial processes, in particular laser-welding processes
    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

    IPC分类号: G06F11/00 G06F17/40 B23K26/00

    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。

    Active transponder, particularly for synthetic aperture radar, or SAR, systems
    3.
    发明授权
    Active transponder, particularly for synthetic aperture radar, or SAR, systems 有权
    主动应答器,特别是合成孔径雷达或SAR系统

    公开(公告)号:US08384582B2

    公开(公告)日:2013-02-26

    申请号:US12444489

    申请日:2006-10-06

    IPC分类号: G01S13/90 G01S13/76

    摘要: An active transponder for synthetic aperture radar systems includes a receiving antenna for receiving a first radiofrequency signal modulated according to a first train of one or more first pulses, separating means comprising two outputs outputting the first radiofrequency signal, second processing means connected to a first output of the separating means to generate a code synchronized with the first pulses, signal generating means connected to the second output and to the second processing means generate a second radiofrequency signal modulated by the code, and a transmitting antenna means to transmit the second radiofrequency signal to generate, for each one of the first pulses, a sequence of one or more second pulses, the code being synchronized with the second pulses.

    摘要翻译: 用于合成孔径雷达系统的有源应答器包括:接收天线,用于接收根据一个或多个第一脉冲的第一列调制的第一射频信号;分离装置,包括输出第一射频信号的两个输出;第二处理装置,连接到第一输出 所述分离装置产生与所述第一脉冲同步的代码,连接到所述第二输出的信号产生装置和所述第二处理装置产生由所述代码调制的第二射频信号,以及发送天线装置,用于将所述第二射频信号发送到 为每个第一脉冲产生一个或多个第二脉冲的序列,该代码与第二个脉冲同步。

    ACTIVE TRANSPONDER, PARTICULARLY FOR SYNTHETIC APERTURE RADAR, OR SAR, SYSTEMS
    4.
    发明申请
    ACTIVE TRANSPONDER, PARTICULARLY FOR SYNTHETIC APERTURE RADAR, OR SAR, SYSTEMS 有权
    主动传输器,特别适用于合成孔径雷达或SAR系统

    公开(公告)号:US20100013700A1

    公开(公告)日:2010-01-21

    申请号:US12444489

    申请日:2006-10-06

    IPC分类号: G01S13/90 G01S13/76

    摘要: The invention concerns an active transponder, particularly for synthetic aperture radar systems, or SAR, comprising: a receiving antenna (20) for receiving a first radiofrequency signal modulated according to a first train of one or more first pulses; separating means (3), comprising two outputs at each one of which it outputs the first radiofrequency signal; second processing means (7, 8, 9, 10, 11, 12), connected to a first output of the separating means (3), capable to generate at least one code synchronised with the first pulses; signal generating means (4), connected to a second output of the separating means (3) and to the second processing means (7, 8, 9, 10, 11, 12), capable to generate a second radiofrequency signal modulated by said at least one code generated by the second processing means (7, 8, 9, 10, 11, 12); and a transmitting antenna means (30), capable to transmit the second radiofrequency signal; characterised in that the second processing means (7, 8, 9, 10, 11, 12) is capable to generate, for each one of the first pulses, a sequence of one or more second pulses, said at least one code being synchronised with the second pulses.

    摘要翻译: 本发明涉及一种主动应答器,特别是用于合成孔径雷达系统或SAR的主动应答器,包括:接收天线(20),用于接收根据第一列调制的一个或多个第一脉冲的第一射频信号; 分离装置(3),包括两个输出,每个输出端输出第一射频信号; 连接到所述分离装置(3)的第一输出端的能够产生与所述第一脉冲同步的至少一个代码的第二处理装置(7,8,9,10,11,12) 信号发生装置(4),连接到分离装置(3)的第二输出端和与第二处理装置(7,8,9,10,11,12)相连的第二射频信号,该第二射频信号由所述第二处理装置 由第二处理装置(7,8,9,10,11,12)产生的至少一个代码; 以及发送天线装置(30),能够发送第二射频信号; 其特征在于,所述第二处理装置(7,8,9,10,11,12)能够为所述第一脉冲中的每一个生成一个或多个第二脉冲的序列,所述至少一个代码与 第二个脉冲。

    Method and circuit for controlling an electric power plant
    5.
    发明申请
    Method and circuit for controlling an electric power plant 有权
    控制电厂的方法和电路

    公开(公告)号:US20060132103A1

    公开(公告)日:2006-06-22

    申请号:US11286586

    申请日:2005-11-23

    IPC分类号: H02P9/00

    摘要: A control circuit is for an electric power plant including an asynchronous generator of an AC voltage, a motor to rotate a rotor of the asynchronous generator as a function of a first control signal of a developed motor torque, and a bank of capacitors coupled to the asynchronous generator and having a total capacitance varying as function of a second control signal. The control circuit may include a monitor circuit to monitor at least one parameter of the AC voltage, and a control signal generator circuit cooperating with the monitor circuit to generate the first and second control signals by soft-computing techniques both as a function of the frequency and of a representative value of an amplitude of the AC voltage to make the AC voltage have a desired amplitude and frequency.

    摘要翻译: 控制电路是用于包括交流电压的异步发电机的电力设备,电动机,用于根据所开发的电动机转矩的第一控制信号旋转异步发电机的转子;以及一组电容器, 异步发电机并且具有作为第二控制信号的函数而变化的总电容。 控制电路可以包括用于监视AC电压的至少一个参数的监视电路,以及与监视电路配合的控制信号发生器电路,以通过软计算技术生成第一和第二控制信号,这两者都是频率的函数 以及AC电压的幅度的代表值,以使AC电压具有期望的幅度和频率。

    Method of controlling the quality of industrial processes and system therefor
    6.
    发明申请
    Method of controlling the quality of industrial processes and system therefor 有权
    控制工业过程质量的方法及其制度

    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。

    MODULE FOR MONITORING INDUSTRIAL PROCESSES

    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

    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.

    CONTROL CIRCUIT OF AN ELECTRIC MOTOR WITH A MEASURE DELAY COMPENSATION AND MOTOR SYSTEM COMPRISING THE CIRCUIT
    8.
    发明申请
    CONTROL CIRCUIT OF AN ELECTRIC MOTOR WITH A MEASURE DELAY COMPENSATION AND MOTOR SYSTEM COMPRISING THE CIRCUIT 有权
    具有测量延迟补偿的电动机的控制电路和包含电路的电动机系统

    公开(公告)号:US20120025745A1

    公开(公告)日:2012-02-02

    申请号:US13191273

    申请日:2011-07-26

    IPC分类号: H02P6/18

    CPC分类号: H02P27/08 H02P21/22

    摘要: A control circuit controls an electric motor and includes: a measuring device configured to measure a first phase current of the motor and provide a corresponding first analog signal; an analog-to-digital converter structured to convert the first analog signal into a first digital signal; a conversion module for generating a first converted digital signal representative of the first digital signal expressed in a rotating reference system; a node structured to compare the first converted digital signal into a first reference signal and generate a first error signal; and a measure control circuit structured to provide a timing signal of the analog-to-digital converter depending on the first error signal and a time delay introduced by the measuring device.

    摘要翻译: 控制电路控制电动机,包括:测量装置,被配置为测量电动机的第一相电流并提供对应的第一模拟信号; 构造成将第一模拟信号转换为第一数字信号的模数转换器; 转换模块,用于产生表示在旋转基准系统中的第一数字信号的第一转换数字信号; 结构化以将第一转换数字信号与第一参考信号进行比较并生成第一误差信号的节点; 以及测量控制电路,其被构造为根据第一误差信号和由测量装置引入的时间延迟来提供模数转换器的定时信号。

    Method and related device for estimating two currents flowing simultaneously through respective windings of a poly-phase electrical load driven in SVM mode
    9.
    发明授权
    Method and related device for estimating two currents flowing simultaneously through respective windings of a poly-phase electrical load driven in SVM mode 有权
    用于估计通过SVM模式驱动的多相电负载的各个绕组同时流过的两个电流的方法和相关装置

    公开(公告)号:US07831402B2

    公开(公告)日:2010-11-09

    申请号:US12015188

    申请日:2008-01-16

    IPC分类号: G01R19/00

    摘要: A method for estimating values assumed at a certain instant of each period by currents flowing respectively in two distinct windings of a poly-phase load controlled in a space vector modulation (SVM) mode, using a same measuring device, may include coupling the measuring device to the first winding and measuring a current flowing therethrough with an anticipation from the certain instant smaller than or equal to an SVM half-period. The method may also include coupling the measuring device to the second winding, measuring a current flowing therethrough at the certain instant, coupling the measuring device to the first winding, and measuring a current flowing therethrough with a delay equal to the anticipation. The method may also include estimating a value assumed at the certain instant by the current flowing through the first winding based upon the two measured values with the anticipation and with the delay respectively.

    摘要翻译: 通过使用相同的测量装置分别在以空间矢量调制(SVM)模式控制的多相负载的两个不同绕组中流动的电流来估计在每个周期的某个时刻假设的值的方法,可以包括将测量装置 到第一绕组并且从小于或等于SVM半周期的某一时刻预测流过其中的电流。 该方法还可以包括将测量装置耦合到第二绕组,测量在特定瞬间流过其中的电流,将测量装置耦合到第一绕组,并以等于预期的延迟来测量流过其中的电流。 该方法还可以包括基于分别具有预期和延迟的两个测量值来估计在特定时刻假设流过第一绕组的电流的值。

    METHOD FOR CONTROLLING THE QUALITY OF INDUSTRIAL PROCESSES, IN PARTICULAR LASER-WELDING PROCESSES
    10.
    发明申请
    METHOD FOR CONTROLLING THE QUALITY OF INDUSTRIAL PROCESSES, IN PARTICULAR LASER-WELDING PROCESSES 有权
    控制工业过程质量,特别是激光焊接工艺的方法

    公开(公告)号:US20100228377A1

    公开(公告)日:2010-09-09

    申请号:US12724724

    申请日:2010-03-16

    IPC分类号: B23K26/00 G06F19/00

    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。