公开(公告)号：US5923262A

公开(公告)日：1999-07-13

申请号：US946673

申请日：1997-10-07

申请人： Trevor D. Fuss ,  Paul R. Bramel ,  Jason J. Wanner

发明人： Trevor D. Fuss ,  Paul R. Bramel ,  Jason J. Wanner

IPC分类号： A01C7/08 ,  G08B21/00

CPC分类号： A01C7/081 ,  Y02P60/16 ,  Y10S111/903 ,  Y10S56/15

摘要： Computer implemented methods for determining blocked and partially blocked conditions in the flow of particulate matter in an agricultural air seeding system are disclosed which automatically adapt for changes in seed type, seed density, fan rate or seed rate. In a first embodiment, the number of samples that are taken before making a determination of the blockage condition is varied depending on the number of seed events that have been detected in a given time interval. In a second embodiment, one or more criteria such as the maximum number of samples to wait for an event, the value a sensor filter must reach before the method determines a blockage sensor to be BLOCKED, or the value a sensor filter must reach when in the blocked state before the method determines the sensor is no longer blocked is varied depending on a smoothed value of the number of seed events that are detected per sampling period.

摘要翻译： 公开了用于确定农业空气播种系统中的颗粒物质流动中阻塞和部分阻塞状态的计算机实施方法，其自动适应种子种类，种子密度，风扇速率或种子速率的变化。 在第一实施例中，根据在给定时间间隔内检测到的种子事件的数量，改变在确定阻塞状态之前所采样的样本数。 在第二实施例中，一个或多个标准，例如等待事件的最大采样数量，传感器滤波器在该方法确定要阻塞的阻塞传感器之前必须达到的值，或者当传感器滤波器在 该方法确定传感器不再阻塞的阻塞状态根据每采样周期检测到的种子事件数量的平滑值而变化。

公开(公告)号：US6093926A

公开(公告)日：2000-07-25

申请号：US8631

申请日：1998-01-16

申请人： Karl-Heinz O. Mertins ,  Barry D. Batcheller ,  Paul R. Bramel ,  Jason J. Wanner

发明人： Karl-Heinz O. Mertins ,  Barry D. Batcheller ,  Paul R. Bramel ,  Jason J. Wanner

IPC分类号： A01C7/10 ,  G01V8/12 ,  G01V9/04

CPC分类号： G01V8/12 ,  A01C7/105 ,  Y02P60/16

摘要： An optical particle flow monitoring system for monitoring particle flow through the primary and/or secondary tubes of an air dispensing system, such as an air seeder. The primary tubes include a particle sensor having at least one emitter lens body, which forms a substantially uniform, collimated beam which illuminates a sensing area in a seed tube in order to accurately monitor the number of particles flowing in the seed tube. In the preferred embodiment, optical fibers connect the emitter lens bodies to optical beam generating devices, and connect respective receiver lens bodies to optical beam detecting devices, with both the optical beam generating devices and the optical beam detecting devices being located remotely from the seed tubes for improved immunity to static electricity discharge. All the particles flowing in the secondary seed tubes associated with a given primary tube may be counted by a particle sensor located on the primary tube, thus greatly decreasing the number of sensors and the amount of data processing required to determine the total number of particles dispensed by the secondary tubes of the air dispensing system.

摘要翻译： 一种光学粒子流监测系统，用于监测通过空气分配系统（例如空气播种机）的主管和/或次管的颗粒流。 主管包括具有至少一个发射透镜体的颗粒传感器，其形成基本均匀的准直光束，其照射种子管中的感测区域，以便精确地监测在种子管中流动的颗粒的数量。 在优选实施例中，光纤将发射透镜体连接到光束产生装置，并且将各个接收器透镜体连接到光束检测装置，两个光束产生装置和光束检测装置都远离种子管 用于提高静电放电的免疫力。 与给定主管相关联的在次级种子管中流动的所有颗粒可以由位于主管上的颗粒传感器计数，从而大大减少传感器的数量和确定分配的颗粒总数所需的数据处理量 通过空气分配系统的二次管。

公开(公告)号：US07652618B2

公开(公告)日：2010-01-26

申请号：US12165772

申请日：2008-07-01

申请人： John R. Kearney ,  Jason J. Wanner

发明人： John R. Kearney ,  Jason J. Wanner

IPC分类号： G01S13/58

CPC分类号： G01S13/60

摘要： A data processor applies transform processing to a first group of samples at a primary sampling rate, where the first group of samples is within a data window associated with at least one of the data blocks. A detector detects an estimated frequency shift between the transmitted signal and the reflected signal based on a primary peak frequency determined by the transform processing at the primary sampling rate. The data processor applies transform processing to a second group of samples at a secondary sampling rate, where the data window contains previously read samples and at least one new sample, if the estimated frequency shift falls within a target response frequency band. The detector detects an observed frequency shift between the transmitted signal and the reflected signal based on a secondary peak frequency determined by the transform processing at the secondary sampling rate. A velocity estimator for estimating a velocity of at least one of the object and the transmitter based on the estimated frequency shift, the observed frequency shift, or both.

摘要翻译： 数据处理器以主采样率对第一组采样应用变换处理，其中第一组样本在与至少一个数据块相关联的数据窗口内。 检测器基于由主采样率的变换处理确定的主峰频率来检测所发送的信号和反射信号之间的估计频移。 数据处理器以二次采样率对第二组采样应用变换处理，其中数据窗口包含先前读取的采样和至少一个新采样，如果估计的频移落在目标响应频带内。 检测器基于通过二次采样率的变换处理确定的次峰值频率来检测所发送的信号和反射信号之间的观察到的频移。 一种速度估计器，用于基于所估计的频移，观察到的频率偏移或两者来估计物体和发射器中的至少一个的速度。

公开(公告)号：US20090207069A1

公开(公告)日：2009-08-20

申请号：US12165772

申请日：2008-07-01

申请人： John R. Kearney ,  Jason J. Wanner

发明人： John R. Kearney ,  Jason J. Wanner

IPC分类号： G01S13/58

CPC分类号： G01S13/60

摘要： A data processor applies transform processing to a first group of samples at a primary sampling rate, where the first group of samples is within a data window associated with at least one of the data blocks. A detector detects an estimated frequency shift between the transmitted signal and the reflected signal based on a primary peak frequency determined by the transform processing at the primary sampling rate. The data processor applies transform processing to a second group of samples at a secondary sampling rate, where the data window contains previously read samples and at least one new sample, if the estimated frequency shift falls within a target response frequency band. The detector detects an observed frequency shift between the transmitted signal and the reflected signal based on a secondary peak frequency determined by the transform processing at the secondary sampling rate. A velocity estimator for estimating a velocity of at least one of the object and the transmitter based on the estimated frequency shift, the observed frequency shift, or both.

摘要翻译： 数据处理器以主采样率对第一组采样应用变换处理，其中第一组样本在与至少一个数据块相关联的数据窗口内。 检测器基于由主采样率的变换处理确定的主峰频率来检测所发送的信号和反射信号之间的估计频移。 数据处理器以二次采样率对第二组采样应用变换处理，其中数据窗口包含先前读取的采样和至少一个新采样，如果估计的频移落在目标响应频带内。 检测器基于通过二次采样率的变换处理确定的次峰值频率来检测所发送的信号和反射信号之间的观察到的频移。 一种速度估计器，用于基于所估计的频移，观察到的频率偏移或两者来估计物体和发射器中的至少一个的速度。

公开(公告)号：US5936234A

公开(公告)日：1999-08-10

申请号：US858393

申请日：1997-05-19

申请人： John C. Thomas ,  John D. Paulson ,  Jon T. Jacobson ,  Paul R. Bramel ,  Jason J. Wanner ,  Daryl N. Roehrich ,  Karl-Heinz O. Mertins

发明人： John C. Thomas ,  John D. Paulson ,  Jon T. Jacobson ,  Paul R. Bramel ,  Jason J. Wanner ,  Daryl N. Roehrich ,  Karl-Heinz O. Mertins

IPC分类号： A01C7/10 ,  G01V8/16 ,  G01V9/04

CPC分类号： A01C7/105 ,  G01V8/16

摘要： A seed monitor includes a planter master unit having one or more planter counting units connected to the planter master unit, with each planter counting unit associated with a different seed tube. Each planter counting unit includes a light source, a means for forming a light beam that traverses a sensing area of a seed tube, a detector and a processor. The circuit board connects the detector and light source with a processor. The processor adjusts the intensity of the light source and selects an output amplifier gain that is appropriate for the counting of seeds. In this manner, the planter monitoring system adjusts for long-term dust and dirt accumulation and aging of components. The processor processes the selected stage of amplified output from the detector and determines the number of seeds that have traversed the sensing area of the associated seed tube. The planter master unit receives binary data of the counted seed, and from this data, provides an output to the operator. In a preferred embodiment, plural planter counting units are connected to the planter master unit in a series connection.

摘要翻译： 种子监视器包括具有连接到播种机主单元的一个或多个播种机计数单元的播种机主单元，每个播种机计数单元与不同的种子管相关联。 每个播种机计数单元包括光源，用于形成穿过种子管的感测区域的光束的装置，检测器和处理器。 电路板将检测器和光源与处理器连接。 处理器调节光源的强度，并选择适合于种子计数的输出放大器增益。 以这种方式，播种机监控系统可以调节长期的灰尘和污垢积聚以及部件的老化。 处理器处理来自检测器的所选择的放大输出级，并确定已经穿过相关种子管的感测区域的种子数。 播种机主单元接收计数种子的二进制数据，并从该数据向操作者提供输出。 在优选实施例中，多个播种机计数单元以串联方式连接到播种机主单元。