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    • 5. 发明授权
    • Method for position feedback based control for overload protection
    • 基于位置反馈的过载保护控制方法
    • US08744603B2
    • 2014-06-03
    • US12814841
    • 2010-06-14
    • Xiujie GaoLei HaoPaul W. AlexanderAlan L. BrowneDerek L. PattersonMark A. Voss
    • Xiujie GaoLei HaoPaul W. AlexanderAlan L. BrowneDerek L. PattersonMark A. Voss
    • G05B11/01G05B9/02G05D1/10
    • G05B9/02
    • A method for executing mechanical overload protection to prevent commanding a control signal to a linear actuator that may mechanically overload the linear actuator when an overload condition of the linear actuator is detected, the linear actuator utilized for controlling a movable element associated with the linear actuator responsive to the control signal, includes monitoring an overload condition based on position change of the movable element associated with the linear actuator during an integration period and excess energy during the integration period, de-energizing the linear actuator when an overload condition has been detected, monitoring an overload retry counter based on the number of cycles the overload condition is detected, comparing the overload retry counter to an overload retry threshold, an reenergizing the linear actuator when the overload retry counter is less than the overload retry threshold and maintaining de-energizing of the linear actuator when the overload retry counter is at least the overload retry threshold.
    • 一种用于执行机械过载保护的方法,以防止在检测到线性致动器的过载状况时机械地使线性致动器过载的线性致动器的控制信号,用于控制与线性致动器相关联的可移动元件的线性致动器响应 对于控制信号,包括在积分期间基于与线性致动器相关联的可移动元件的位置变化以及在积分期间内的过剩能量来监视过载状态,当已经检测到过载状况时,使线性致动器断电 基于检测到过载条件的循环次数的过载重试计数器,将过载重试计数器与过载重试阈值进行比较,当过载重试计数器小于过载重试阈值时,重新激活线性致动器,并保持断电 线性执行机构过载时 尝试计数器至少是过载重试阈值。
    • 7. 发明授权
    • Reversibly deployable spoiler
    • 可逆部署的扰流板
    • US07607717B2
    • 2009-10-27
    • US11533883
    • 2006-09-21
    • Alan L. BrowneNancy L. JohnsonKevin B. RoberMark A. VossTadge J. JuechterEdward D. Moss
    • Alan L. BrowneNancy L. JohnsonKevin B. RoberMark A. VossTadge J. JuechterEdward D. Moss
    • B62D35/00
    • B62D35/00
    • A reversibly deployable spoiler for a vehicle comprises a body and an active material in operative communication with the body. The active material, such as shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can change its shape, dimensions and/or stiffness producing a change in at least one feature of the active spoiler airflow control device such as shape, dimension, location, orientation, and/or stiffness to control vehicle airflow and downforce to better suit changes in driving conditions such as speed, while reducing maintenance and the level of failure modes. An activation device, controller and sensors may be employed to further control the change in at least one feature of the active spoiler airflow control device such as shape, dimension, location, orientation, and/or stiffness. A method for controlling vehicle airflow selectively introduces an activation signal to initiate a change of at least one feature of the device that can be reversed upon discontinuation of the activation signal.
    • 用于车辆的可逆展开扰流器包括与身体可操作地连通的主体和活动材料。 诸如形状记忆材料的活性材料可操作以响应于激活信号改变至少一个属性。 活性材料可以改变其形状,尺寸和/或刚度,从而产生主动扰流器气流控制装置的至少一个特征的变化,例如形状,尺寸,位置,取向和/或刚度,以控制车辆气流和下压 适应速度等行驶条件的变化,同时降低维护和故障模式的水平。 激活装置,控制器和传感器可用于进一步控制主动扰流器气流控制装置的至少一个特征的变化,例如形状,尺寸,位置,取向和/或刚度。 用于控制车辆气流的方法选择性地引入激活信号以启动在停止激活信号时可以反转的装置的至少一个特征的改变。
    • 10. 发明申请
    • REVERSIBLY DEPLOYABLE SPOILER
    • 可反复使用的SPOILER
    • US20100032982A1
    • 2010-02-11
    • US12578594
    • 2009-10-14
    • Alan L. BrowneNancy L. JohnsonKevin B. RoberMark A. VossTadge J. JuechterEdward D. Moss
    • Alan L. BrowneNancy L. JohnsonKevin B. RoberMark A. VossTadge J. JuechterEdward D. Moss
    • B62D37/02
    • B62D35/00
    • A reversibly deployable spoiler for a vehicle comprises a body and an active material in operative communication with the body. The active material, such as shape memory material, is operative to change at least one attribute in response to an activation signal. The active material can change its shape, dimensions and/or stiffness producing a change in at least one feature of the active spoiler airflow control device such as shape, dimension, location, orientation, and/or stiffness to control vehicle airflow and downforce to better suit changes in driving conditions such as speed, while reducing maintenance and the level of failure modes. An activation device, controller and sensors may be employed to further control the change in at least one feature of the active spoiler airflow control device such as shape, dimension, location, orientation, and/or stiffness. A method for controlling vehicle airflow selectively introduces an activation signal to initiate a change of at least one feature of the device that can be reversed upon discontinuation of the activation signal.
    • 用于车辆的可逆展开扰流器包括与身体可操作地连通的主体和活动材料。 诸如形状记忆材料的活性材料可操作以响应于激活信号改变至少一个属性。 活性材料可以改变其形状,尺寸和/或刚度,从而产生主动扰流器气流控制装置的至少一个特征的变化,例如形状,尺寸,位置,取向和/或刚度,以控制车辆气流和下压 适应速度等行驶条件的变化,同时降低维护和故障模式的水平。 激活装置,控制器和传感器可用于进一步控制主动扰流器气流控制装置的至少一个特征的变化,例如形状,尺寸,位置,取向和/或刚度。 用于控制车辆气流的方法选择性地引入激活信号以启动在停止激活信号时可以反转的装置的至少一个特征的改变。