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    • 1. 发明授权
    • Learning programmable limit switch and method providing real-time passive feedback
    • 学习可编程限位开关和提供实时无源反馈的方法
    • US06246916B1
    • 2001-06-12
    • US09104023
    • 1998-06-24
    • Timothy J. VonDerHaarBrian D. Mabee
    • Timothy J. VonDerHaarBrian D. Mabee
    • G05B1101
    • G05B19/416G05B2219/43074G05B2219/43096G05B2219/43118G05B2219/43174
    • This invention relates to a learning programmable limit switch for use in a motion system which provides passive feedback to a controller. The learning programmable limit switch is capable of causing the motion control system to operate in accordance with a user-programmed motion profile. The learning programmable limit switch provides the capability of accurately “learning” and controlling the positions at which a motion system changes velocity, as well as the timing at which the system causes a driven mechanism to, for example, stop. The system is intended for use in variable speed drives, hydraulic, pneumatic drive systems or any system where real time, passive feedback control is desired. In one typical environment, the learning programmable limit switch is connected to an output shaft of a driver. The outputs of the learning programmable limit switch are turned ON/OFF based upon the detected angular position of the output shaft. These outputs are then fed back to a controller, such as a programmable logic controller or PLC, to be used as passive feedback for the PLC to know when to engage/disengage the drive system which is typically a motor, clutch/brake system. The PLC then initiates the drivers motion, with the learning programmable limit switch detecting and tracking such motion, via the output shaft rotation, and cycle its outputs based upon an user-programmed motion profile.
    • 本发明涉及一种用于向控制器提供无源反馈的运动系统中的学习可编程限位开关。 学习可编程限位开关能够使运动控制系统根据用户编程的运动曲线进行操作。 学习式可编程限位开关提供了精确地“学习”并且控制运动系统改变速度的位置以及系统使驱动机构例如停止的时间的能力。 该系统旨在用于变速驱动器,液压,气动驱动系统或需要实时,无源反馈控制的任何系统。 在一个典型的环境中,学习可编程限位开关连接到驱动器的输出轴。 基于检测到的输出轴的角位置,学习可编程限位开关的输出被接通/断开。 然后将这些输出反馈到诸如可编程逻辑控制器或PLC之类的控制器,作为PLC的无源反馈,以便知道何时接合/脱离通常为电动机,离合器/制动系统的驱动系统。 PLC然后启动驾驶员运动,学习可编程限位开关通过输出轴旋转检测和跟踪此类运动,并根据用户编程的运动曲线循环其输出。
    • 3. 发明授权
    • Engine manifold valve control
    • 发动机歧管阀控制
    • US6116216A
    • 2000-09-12
    • US269790
    • 1999-06-17
    • William K. WrightDaniel Nelson
    • William K. WrightDaniel Nelson
    • F02D11/10F02D19/00G05B19/416F02D9/00
    • F02D11/10G05B19/416G05B2219/37462G05B2219/42073G05B2219/43041G05B2219/43063G05B2219/43118
    • A manifold valve controller (30, 32) designed to be embedded within the casing (24) of a throttle actuator in a manifold valve assembly for a gas fueled internal combustion engine. The controller (30, 32) senses the current position and current velocity of the valve (14) and calculates a rest position of the valve (14) if the valve commenced deceleration from its current position and velocity. The controller (30, 32) then compares the calculated rest position with a demanded position for the manifold valve (14) in order to determine whether the current position or the rest position exceeds the demanded position The controller (30, 32) then accelerates or decelerates the valve (14) to the demanded position as required, based on the comparison A feedback position sensor such as a potentiometer (22) provides the means for sensing the current position and velocity of the valve (14). By locating the controller (30) as close as possible to feedback potentiometer (22) problems caused by background electrical noise are minimized.
    • PCT No.PCT / AU97 / 00657 Sec。 371日期1999年6月17日第 102(e)1999年6月17日PCT PCT 1997年10月1日PCT公布。 公开号WO98 / 14856 日期1998年4月9日一种设计成嵌入在用于气体燃料内燃机的歧管阀组件中的节气门执行器的壳体(24)内的歧管阀控制器(30,32)。 如果阀门从当前位置和速度开始减速,则控制器(30,32)感测阀(14)的当前位置和当前速度并计算阀(14)的静止位置。 然后,控制器(30,32)将所计算的静止位置与歧管阀(14)的要求位置进行比较,以确定当前位置或静止位置是否超过要求位置。控制器(30,32)然后加速或 基于比较,根据需要将阀(14)减速到所要求的位置。诸如电位计(22)的反馈位置传感器提供用于感测阀(14)的当前位置和速度的装置。 通过将控制器(30)尽可能靠近来反馈电位计(22),由背景电噪声引起的问题被最小化。
    • 10. 发明授权
    • Method and apparatus for fast threading pullout in a numerically
controlled threading application
    • 用于在数控螺纹应用中快速穿线拔出的方法和装置
    • US5910199A
    • 1999-06-08
    • US805506
    • 1997-02-26
    • Rickey L. BusickMark F. Steinmetz
    • Rickey L. BusickMark F. Steinmetz
    • B23G1/04G05B19/414B23B5/24
    • B23G1/04G05B19/4142G05B2219/36198G05B2219/41186G05B2219/42073G05B2219/43118G05B2219/43131G05B2219/45215Y10T82/10Y10T82/13Y10T82/2502
    • A method and apparatus for fast threading pullout in a numerically controlled threading application which includes position determining logic for receiving position command signals from a numerical control and determining the commanded movement of a threading member along at least a primary threading axis and a secondary pullout axis, at least one sensing device for sensing the position of the threading member along at least the primary and secondary axes, velocity calculation structure for generating velocity command signals for actuating the threading member along the primary and secondary axes in accordance with the commanded movements and the sensed position of the member, supplemental velocity structure for applying a supplemental pullout velocity at a predetermined pullout position on the thread to accelerate the member along the secondary axis, and monitoring logic for monitoring the pullout of the threading member along the secondary axis and discontinuing the supplemental velocity after a predetermined portion of the pullout.
    • 一种用于在数控螺纹应用中快速穿线拉出的方法和装置,其包括用于从数字控制接收位置指令信号的位置确定逻辑,并且确定穿通构件沿着至少主穿线轴和次拉出轴的指令运动, 至少一个感测装置,用于沿至少主轴和副轴感测穿线构件的位置;速度计算结构,用于产生速度指令信号,用于根据指令运动产生速度指令信号,以沿主轴和副轴致动穿线构件; 所述构件的位置,用于在所述螺纹上的预定拉出位置处施加辅助拉出速度的补充速度结构,以沿着所述辅助轴加速所述构件;以及监视逻辑,用于监视所述穿线构件沿着所述副轴的拉出并且停止所述补充 维洛 城市经过预定部分的拔出。