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    • 5. 发明授权
    • Method of compensating for changes in flow characteristics of a
dispensed fluid
    • 补偿分配流体的流动特性变化的方法
    • US5920829A
    • 1999-07-06
    • US961840
    • 1997-10-31
    • Carl A. BretmerskyRobert C. HallRichard G. Klein
    • Carl A. BretmerskyRobert C. HallRichard G. Klein
    • F15C1/04F15D1/08G05D7/06G05D16/20B67D5/08G01F1/38
    • G05D7/0635G05D7/0623
    • A fluid dispensing control for controlling the dispensing of a fluid by a metering valve through a nozzle onto a workpiece. An initial value of a flow characteristic of the fluid is determined that is correlated to the relationship between the flow rate of the fluid and nozzle pressure. Desired nozzle pressure values are periodically determined by evaluating a model of flow rate of the fluid through nozzle in response to the initial value of the flow characteristic and a desired flow rate value. Thereafter, the control provides command signals to the metering valve as a function of the desired nozzle pressures. A new value of the flow characteristic is determined as a function of the measured volume of fluid dispensed during the dispensing cycle to the measured nozzle pressure. During a subsequent dispensing cycle, the control determines the desired nozzle pressures by evaluating the model of flow rate of the fluid through the nozzle as a function of the new value of the flow characteristic. The process of reevaluating the flow characteristic over successive dispensing cycles as a function of measured volumes of fluid dispensed and measured nozzle pressures, and using those updated values to reevaluate the model of flow rate of fluid through the nozzle, is repeated.
    • 流体分配控制器,用于控制通过计量阀通过喷嘴将流体分配到工件上。 确定与流体的流量和喷嘴压力之间的关系相关的流体的流动特性的初始值。 期望的喷嘴压力值通过响应于流动特性的初始值和期望的流量值来评估流体通过喷嘴的流速模型而周期性地确定。 此后,控制器根据期望的喷嘴压力向计量阀提供命令信号。 流量特性的新值作为在分配循环期间分配到被测量的喷嘴压力的流体的测量体积的函数来确定。 在随后的分配循环期间,通过根据流动特性的新值来评估通过喷嘴的流体流速的模型来确定所需的喷嘴压力。 重复评估连续分配循环中的流动特性的过程作为流体分配和测量的喷嘴压力的测量体积的函数,并且使用这些更新值来重新评估通过喷嘴的流体流速模型的过程。
    • 8. 发明授权
    • Automatic milking
    • 自动挤奶
    • US5479876A
    • 1996-01-02
    • US167996
    • 1994-05-06
    • Michael J. StreetToby T. F. MottramArthur L. WilkinRobert C. Hall
    • Michael J. StreetToby T. F. MottramArthur L. WilkinRobert C. Hall
    • A01J7/00A01J5/017
    • A01J5/0175
    • An arrangement for the automatic application of milking apparatus to a milk animal including a milking apparatus store, a milking apparatus handling device including a milking apparatus carrier movable on the device and a teat sensor on the handling device together with at least one animal position sensor and a control unit responsive to the animal and teat sensor to operate the handling device, the arrangement being such that when an animal is sensed to be in milking position the control unit operates the handling device to take milking apparatus for a teat of the animal from the store in the carrier to a specific teat with the carrier moved to a sideways offset at a selected angle to the device and the teat sensor in range of the teat.
    • PCT No.PCT / GB92 / 01110 Sec。 371日期:1994年5月6日 102(e)日期1994年5月6日PCT 1994年5月31日PCT公布。 公开号WO93 / 00001 日期:1993年7月1日。一种用于将挤奶设备自动应用于包括挤奶设备存储在内的牛奶动物的设备,挤奶设备处理设备,包括可在设备上移动的挤奶设备载体和处理设备上的奶头传感器,以及 至少一个动物位置传感器和控制单元,其响应于动物和乳头传感器来操作处理装置,该装置使得当动物被感测到处于挤奶位置时,控制单元操作处理装置以采取挤奶装置 动物的奶头从载体中的商店到特定的乳头,其中载体移动到与乳头的范围内的装置和乳头传感器成一定角度的侧向偏移。
    • 10. 发明授权
    • Method for gas-aided dispensing of liquid materials
    • 气体辅助分配液体材料的方法
    • US5114752A
    • 1992-05-19
    • US633049
    • 1990-12-21
    • Robert C. Hall
    • Robert C. Hall
    • B05B12/08B05C5/02B05C11/10G05D11/13
    • B05C11/1034B05B12/084B05B12/085B05C11/06B05C5/0225G05D11/132
    • A method for depositing liquid material onto a workpiece in the form of a deposit having a desired conformation wherein the material is discharged under pressure from the nozzle of a dispensing gun which can be manipulated by a robot to lay the deposit according to a programmed pattern on the workpiece. One or more gas jets are directed toward the material after the material is discharged from the nozzle to impart a desired conformation to the material deposited on the workpiece. The flow rate of the gas jets is controlled in accordance with the liquid flow rate to maintain substantial uniformity of the conformation of the deposit. The flow rate of the gas jets may also be controlled with reference to a tool speed signal which varies according to the relative speed between the nozzle and the workpiece as well as an auxiliary signal the latter of which can be used to selectively alter the conformation of the deposit. The invention further provides a system for avoiding disruption of a desired conformation due to irregularities in the manner liquid material is pumped to the dispensing gun by sensing occurrence of the irregularity and adjusting the flow rate of the gas jets in timed relation to the manifestation of the irregularity at the liquid discharge nozzle.
    • 一种用于将液体材料沉积在具有所需构型的沉积物形式的工件上的方法,其中材料在压力下从分配枪的喷嘴排出,分配枪的喷嘴可以由机器人操纵以根据程序模式放置沉积物 工件。 在材料从喷嘴排出之后,将一种或多种气体喷射器引向材料,以对沉积在工件上的材料赋予期望的构象。 根据液体流速来控制气体射流的流量,以保持沉积物构象的基本一致。 气体射流的流量也可以参照根据喷嘴和工件之间的相对速度而变化的刀具速度信号以及辅助信号来控制,后者可用于选择性地改变 存款。 本发明还提供了一种系统,用于避免由于液体材料被泵送到分配枪的方式的不规则性而导致的期望构象的破坏,其通过感测不规则性的发生并且以与时间关系的方式调整气体射流的流量 液体排放喷嘴处的不规则性。