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1. 发明授权

US07017689B2 Electrical steering assist for material handling vehicles 有权
标题翻译：物料运输车辆的电动转向辅助
公开(公告)号：US07017689B2
公开(公告)日：2006-03-28
申请号：US10839814
申请日：2004-05-06
申请人： Kevin Anthony Gilliland , John Ivan Koeper , Lewis Henry Manci , Rhett Eugene Snyder , George Robert Wetterer
发明人： Kevin Anthony Gilliland , John Ivan Koeper , Lewis Henry Manci , Rhett Eugene Snyder , George Robert Wetterer
IPC分类号： B62D1/14
CPC分类号： B62D5/04 , B62B5/06 , B62B5/063 , B62D1/14 , B62D51/04 , B62D51/065 , B66F9/07568 , B66F9/24
摘要： Electrical steering assist systems reduce the operator applied steering effort necessary to operate material handling vehicles. A steer drive unit including a motor is coupled to a steerable wheel for providing steering assist. The amount of steering assist provided by the steer drive unit is determined by a controller that receives input from one or more input sensing devices. The input sensing device(s) may include force sensors that detect an operator applied turning force. The input sensing device(s) may also detect the movement of one steering component relative to another. Further, the input sensing device(s) may include operator activated controls such as a joystick, potentiometer, switches and voice initiated commands. Input sensing device(s) may additionally be provided to detect operational parameters such as the load on the material handling vehicle, vehicle speed, or environmental conditions such as travel path obstruction detection, homing and proximity sensing.
摘要翻译：电动转向辅助系统减少了操作材料搬运车辆所需的操作者应用的转向力。包括电动机的转向驱动单元联接到可转向轮以提供转向辅助。由转向驱动单元提供的转向辅助量由接收来自一个或多个输入感测装置的输入的控制器确定。输入感测装置可以包括检测操作者施加的转动力的力传感器。输入感测装置还可以检测一个转向部件相对于另一转向部件的运动。此外，输入感测装置可以包括操作员激活的控制，例如操纵杆，电位计，开关和语音发起的命令。还可以提供输入感测装置以检测操作参数，例如材料处理车辆上的负载，车辆速度或环境条件，例如行驶路障碍检测，归位和接近感测。

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