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    • 1. 发明公开
    • Electromechanical drive system
    • 电子系统
    • EP3023846A1
    • 2016-05-25
    • EP14193755.7
    • 2014-11-18
    • Moog Unna GmbH
    • O'Sullivan, RobertO'Sullivan, DennisRösmann, TobiasPauli, Matthias
    • G05B9/02G05B19/4063
    • G05B9/02F03D7/0224F05B2260/76F05B2270/107F05B2270/602G05B19/4063G05B2219/2619Y02E10/723
    • The present invention provides an electromechanical drive system (1) for actuations of a component (3), where reliability, integrity and diagnostics of the actuation (A) of the component (3) is safety-relevant for operating the component (3), and a method to operate such a drive system (1) as well as a pitch system (71) and a wind turbine (7) each comprising such drive systems (1). The electromechanical drive system (1) comprises beside conventional driving parts a safety module (4) and an advanced position sensor (5) adapted to monitor component position and/or speed of the actuated component (3) with a sufficient degree of reliability, integrity and diagnostics to fulfill safety requirements for the safety-relevant actuations and being connected to the safety module (4) via a first data connection (51) to send corresponding sensor signals (SS) comprising position and/or speed data to the safety module (4), where the safety module (4) is connected to a conventional motor control unit (22) via a second data connection (41) to transmit actuation signals (AS) like actuation speed and desired component position to the conventional motor control unit (22) for actuating (A) the component (3) in accordance to one or more safety functions (SF) at least implemented on the safety module (4) to ensure safe actuation of the component (3), and is adapted to monitor position and/or speed of the component (3) utilizing the received sensor signals (SS) compared with an expected behavior from the actuation signals (AS) and the motor control signals (MCS) are transmitted to a conventional power unit (23) via the safety module (4) to execute the safety functions (SF), where the safety functions (SF) at least comprise the actuation (A) of the component (3) in a resting or neutral position (FP) as a first safety function (SFR) executed by safety module (4) at least in an emergency situation.
    • 本发明提供一种用于部件(3)的致动的机电驱动系统(1),其中部件(3)的致动(A)的可靠性,完整性和诊断与操作部件(3)是安全相关的, 以及用于操作这样的驱动系统(1)以及每个包括这种驱动系统(1)的桨距系统(71)和风力涡轮机(7)的方法。 机电驱动系统(1)包括与常规驱动部件相邻的安全模块(4)和高级位置传感器(5),其适于以足够的可靠性,完整性监视致动部件(3)的部件位置和/或速度 以及诊断以满足与安全相关的致动的安全要求,并且经由第一数据连接(51)连接到安全模块(4),以将包括位置和/或速度数据的相应的传感器信号(SS)发送到安全模块( 4),其中安全模块(4)经由第二数据连接(41)连接到常规电动机控制单元(22),以将致动信号(AS)像致动速度和期望的部件位置传送到常规电动机控制单元( 22),用于根据至少在安全模块(4)上实现的一个或多个安全功能(SF)致动(A)部件(3)以确保部件(3)的安全致动,并且适于监视位置 通过与来自致动信号(AS)和电动机控制信号(MCS)的预期行为相比较的利用所接收的传感器信号(SS)的部件(3)的速度和/或速度经由传感器信号 安全模块(4),用于执行安全功能(SF),其中安全功能(SF)至少包括作为第一安全功能的静止或中立位置(FP)的部件(3)的致动(A) SFR)至少在紧急情况下由安全模块(4)执行。