Position and velocity servo control for motor controlled article carrier and handler
    1.
    发明授权
    Position and velocity servo control for motor controlled article carrier and handler 失效
    电机控制物品载体和处理器的位置和速度伺服控制

    公开(公告)号:US3889169A

    公开(公告)日:1975-06-10

    申请号:US40561173

    申请日:1973-10-11

    Applicant: IBM

    CPC classification number: H02P5/56

    Abstract: A continuously moving information-bearing article carrier and a selectively actuated article handler are in peripheral velocity synchronism for exchanging information-bearing articles. In a preferred form, the carrier is a rotating cylinder having a large plurality of information-bearing articles spaced about its periphery and extending outwardly of the outer periphery for facilitating dynamic article exchanges. Peripheral velocity and positioning synchronism between the article carrier and handler is achieved by incorporating the desired synchronism characteristics into a control tachometer on the handler and maintaining the carrier tachometer linear. Such characteristics result from variable spacing between tachometer marks representing the acceleration characteristics of the article handler.

    Abstract translation: 连续移动的信息承载物品载体和选择性致动的物品处理器处于用于交换信息承载物品的圆周速度同步。 在优选的形式中,托架是具有大量多个信息承载制品的旋转圆柱体,其间隔开围绕其周边并且向外周边延伸,以促进动态物品交换。 通过将所需的同步特性结合到处理器上的控制转速表中并保持载体转速计线性化,实现了物品载体和处理器之间的外围速度和定位同步。 这种特性是由表示物品处理机的加速特性的转速表标记之间的可变间距引起的。

    RECORD STORAGE APPARATUS EMPLOYING ENHANCED TRANSDUCER POSITIONING SERVOMECHANISMS

    公开(公告)号:CA1074422A

    公开(公告)日:1980-03-25

    申请号:CA268239

    申请日:1976-12-20

    Applicant: IBM

    Abstract: RECORD STORAGE APPARATUS EMPLOYING ENHANCED TRANSDUCER POSITIONING SERVOMECHANISMS A sequentially operated machine employs two positionable members, a movable center selection piston member and a movable transducer member for accessing a record storage member selected by the central piston member. Making the record storage member available to the transducer requires a predetermined time delay. Accordingly, the servomechanism powering the selecting mechanism has a high response, while a following servomechanism transporting the transducer has a low response such that cost is reduced while not adversely affecting access time to the record member.

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