METHOD FOR CONTROLLING A CRANE
    1.
    发明申请
    METHOD FOR CONTROLLING A CRANE 审中-公开
    控制起重机的方法

    公开(公告)号:WO2009027580A1

    公开(公告)日:2009-03-05

    申请号:PCT/FI2008/050471

    申请日:2008-08-21

    CPC classification number: B66C13/23 B66D1/12 B66D1/46 B66D1/7405

    Abstract: The invention relates to a method for controlling a crane, the method comprising controlling a rope part (13) connected to a hook of the crane with a friction- operated driving wheel (3), extra rope (12) being coiled into a plurality of layers onto a storage reel (4). In the method, two machineries (1, 2) are used, of which the first (1 ) is intended for the driving wheel (3) and the other (2) for the storage reel (4), one machinery (1, 2) being controlled with a speed instruction and the other machinery (1, 2) with a torque instruction.

    Abstract translation: 本发明涉及一种用于控制起重机的方法,所述方法包括控制与摩擦操纵的驱动轮(3)连接到起重机的钩的绳索部分(13),额外的绳索(12)被卷绕成多个 层到存储卷轴(4)上。 在该方法中,使用两个机器(1,2),其中第一(1)用于驱动轮(3),另一个(2)用于存储卷轴(4),一个机械(1,2) )用速度指令控制,另一台机械(1,2)用扭矩指令控制。

    MOTOR CONTROL SYSTEM FOR A HOIST DRIVE
    2.
    发明申请
    MOTOR CONTROL SYSTEM FOR A HOIST DRIVE 审中-公开
    电机驱动电机控制系统

    公开(公告)号:WO2011067467A1

    公开(公告)日:2011-06-09

    申请号:PCT/FI2010/050982

    申请日:2010-11-30

    CPC classification number: H02P23/0036 B66D1/46 H02P23/0004 H02P23/0077

    Abstract: A motor control system for a hoist drive having an electric motor (2) operationally connected to a hoisting member (4) for hoisting a load (6), the motor control system being adapted to generate a final angular frequency reference (ω*s) for control of the electric motor (2), the motor control system comprising a power limiter means (8) adapted to generate a correction term (ωs,COr) for angular frequency reference. The power limiter means (8) comprises an integrating controller means (10), the power limiter means (8) being adapted to generate the correction term (ωs,COr) for angular frequency reference using output signal Ip of the integrating controller means (10), initial data of the integrating controller means (10) including information relating to actual value of the power of the electric motor (2) and a power related limit value of the electric motor (2).

    Abstract translation: 一种用于起重机驱动装置的电动机控制系统,其具有可操作地连接到用于起重负载(6)的提升构件(4)的电动机(2),所述电动机控制系统适于产生最终的角频率基准(ω* s) 为了控制电动机(2),电动机控制系统包括适于产生用于角频率参考的校正项(Δs,COr)的功率限制器装置(8)。 功率限制器装置(8)包括积分控制器装置(10),功率限制器装置(8)适于使用积分控制器装置的输出信号Ip产生用于角频率参考的校正项(ωs,COr) 10),包括与电动机(2)的电力的实际值有关的信息和电动机(2)的电力相关极限值的积分控制装置(10)的初始数据。

    CONTROL OF INTERCONNECTED TROLLEYS
    3.
    发明申请
    CONTROL OF INTERCONNECTED TROLLEYS 审中-公开
    互连拉杆的控制

    公开(公告)号:WO2012017131A1

    公开(公告)日:2012-02-09

    申请号:PCT/FI2011/050669

    申请日:2011-07-21

    Inventor: PORMA, Mikko

    CPC classification number: B66C13/22 B66C9/14 B66C13/30

    Abstract: A hoist trolley assembly that comprises a first hoist trolley (11), drive equipment for the first hoist trolley, a second hoist trolley (12), drive equipment for the second hoist trolley, and a control system, the first hoist trolley (11) being connected to the second hoist trolley (12), both the drive equipment of the first hoist trolley and the drive equipment of the second hoist trolley comprising an electric motor, the control system being adapted to receive a preliminary speed reference (n ref ) for the interconnected first hoist trolley (11) and second hoist trolley (12) and to form a final speed reference (n ref_A_fin ) for the first hoist trolley (11) by using initial data that comprise the preliminary speed reference (n ref ). In forming the final speed reference (n ref_A_fin ), the control system is adapted to use a hoist trolley coefficient Krb that is calculated by (formula), wherein T A_nom = the rated torque of the electric motor of the first hoist trolley T B_nom = the rated torque of the electric motor of the second hoist trolley V A_nom = nominal speed of the first hoist trolley V B_nom = nominal speed of the second hoist trolley m TA = dead weight of the first hoist trolley m TB = dead weight of the second hoist trolley m LA = load of the first hoist trolley m LB = load of the second hoist trolley.

    Abstract translation: 一种起重推车组件,包括第一起重推车(11),用于第一起重推车的驱动设备,第二起重推车(12),用于第二起重推车的驱动设备和控制系统,所述第一起重推车(11) 连接到第二起重推车(12),第一起重推车的驱动设备和第二起重推车的驱动设备都包括电动机,所述控制系统适于接收用于 相互连接的第一起重推车(11)和第二升降小车(12),并通过使用包括初速度参考(nref)的初始数据形成用于第一起重推车(11)的最终速度参考(nref_A_fin)。 在形成最终速度基准(nref_A_fin)时,控制系统适于使用由(公式)计算出的起重推车系数Krb,其中TA_nom =第一起重推车的电动机的额定转矩TB_nom =额定转矩 第二起重手推车的电动机VA_nom =第一升降小车的额定转速VB_nom =第二升降小车的额定转速mTA =第一升降小车的自重mTB =第二升降小车的自重mLA = 第一起重手推车mLB =第二起重手推车的载荷。

    GENERATOR ASSEMBLY
    4.
    发明申请
    GENERATOR ASSEMBLY 审中-公开
    发电机总成

    公开(公告)号:WO2008099055A1

    公开(公告)日:2008-08-21

    申请号:PCT/FI2008/050053

    申请日:2008-02-12

    Abstract: A generator assembly including generator means and a first converter member (11), the generator means being arranged to convert mechanical power to electric power and comprising an AC generator (2), a voltage regulator (4) and an AC coupling, the voltage regulator (4) being arranged to regulate magneti- zation of the AC generator (2) on the basis of data associated with the voltage of the AC coupling of the generator means, the AC coupling being arranged to supply electric power from the AC generator (2) to the first converter member (11), and the first converter member (11) being arranged to rectify the voltage applied through the AC coupling into DC voltage. The first converter member (11) isarranged to adjust the power of the AC generator (2) by changing the component (I q ) associated with the torque of the current passing through the AC coupling so as to provide the power of desired magnitude.

    Abstract translation: 一种包括发电机装置和第一转换器构件(11)的发电机组件,所述发电机装置被布置成将机械功率转换成电力并且包括AC发电机(2),电压调节器(4)和AC耦合器,所述电压调节器 (4)被布置成基于与发电机装置的AC耦合的电压相关联的数据来调节AC发电机(2)的磁化,AC耦合被布置成从AC发电机(2)提供电力 )到第一转换器构件(11),并且第一转换器构件(11)被布置成将通过AC耦合施加的电压整流为DC电压。 通过改变与通过AC耦合的电流的转矩相关联的分量(I q)来调节第一转换器部件(11)以调整AC发电机(2)的功率,从而提供所需大小的功率。

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