Drive system, spring cradle system and method for emulating elastic tensioning element

The invention relates to a drive system (2) for a spring cradle system (100), in particular for a child or infant spring cradle, for generating a vibrating movement, comprising: a tension element (4) having a distal end, which is designed to be fastened to a vibrating element; a drive unit (21) which is designed to increase and decrease the free length of the tensioning element (4) in order to change the position of the vibrating element relative to the drive system (2); and a control unit (22) which is designed to control the drive unit (21) in such a way that the preload force acts on the tensioning element (4) independently of the position of the oscillating element relative to the drive system (2). A spring cradle system (100) comprising the drive system and a method for emulating an elastic tensioning element are also provided. 一种用于弹簧摇篮系统(100)尤其用于儿童或婴儿弹簧摇篮的用于产生振动运动的驱动系统(2)，所述驱动系统包括：具有远端的张拉元件(4)，所述远端设计用于紧固在振动元件上；驱动单元(21)，述驱动单元设计用于增大和减小张拉元件(4)的自由长度，以便改变振动元件相对于驱动系统(2)的位置；以及控制单元(22)，所述控制单元设计用于控制驱动单元(21)，使得预紧