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1. 发明授权

EP2565149B1 A materials handling vehicle having a control apparatus for varying a speed limit of a steer motor 有权
标题翻译：车辆用于材料处理的控制装置，用于改变转向马达的速度极限
公开(公告)号：EP2565149B1
公开(公告)日：2014-04-23
申请号：EP12187324.4
申请日：2009-01-27
申请人： Crown Equipment Corporation
发明人： Wetterer, George Robert , Schloemer, James Francis , Crabill, Monty L , Jensen, Eric L.
IPC分类号： B66F9/20 , B66F9/075 , B66F9/24
CPC分类号： B60W10/04 , B60W10/20 , B66F9/075 , B66F9/07509 , B66F9/07568 , B66F9/24
摘要： A materials handling vehicle is provided, comprising a frame comprising an operator's compartment; wheels supported on said frame; and a traction motor coupled to one of said wheels to effect rotation of said one wheel. The vehicle further comprises a steer-by-wire system associated with a steerable wheel to effect angular movement of said steerable wheel about a first axis. The steer-by-wire system comprises a control handle capable of being moved by an operator; a steer motor coupled to said steerable wheel to effect angular movement of said steerable wheel about the first axis; and a control apparatus. The control apparatus is coupled to said steer motor to generate a first drive signal to said steer motor to effect angular movement of said steerable wheel about the first axis. The control apparatus is also coupled to the traction motor to generate a second drive signal to the traction motor to control its speed. Finally, the control apparatus is arranged to vary the first drive signal to the steer motor as a function of the speed of the traction motor so as to vary a speed limit of the steer motor.
摘要翻译：一种材料搬运车辆，提供一种包括框架，其包括操作员室的; 支撑在所述框架上的轮子; 和牵引马达联接到所述轮子中的一个来实现所述一个车轮的旋转。所述车辆还包括与可转向车轮相关联，以实现绕第一轴线与所述可转向轮的角运动转向的线控系统。转向的线控系统包括控制手柄能够由操作者在被移动; 耦合到所述可转向轮一个转向电机实现所述围绕第一轴线可转向轮的角运动; 和控制装置。所述控制装置被联接到所述转向马达以产生第一驱动信号以操纵所述马达，以实现关于所述第一轴线与所述可转向轮的角运动。的控制装置，以便联接到牵引马达，以产生第二驱动信号提供给牵引电机，以控制其速度。最后，控制装置被布置成将第一驱动信号而变化的转向电机的牵引电机的速度的函数，从而改变转向电机的速度极限。

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