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    • 2. 发明授权
    • Method and apparatus for compensating for position slip in interface devices
    • 用于补偿接口装置中位置滑移的方法和装置
    • US07447604B2
    • 2008-11-04
    • US10995586
    • 2004-11-23
    • Adam C. BraunKollin M. TierlingKenneth M. MartinBruce M. Schena
    • Adam C. BraunKollin M. TierlingKenneth M. MartinBruce M. Schena
    • G06F19/00
    • G06F3/016A63F2300/1018A63F2300/1037
    • Method and apparatus for compensating for position slip in interface devices that may occur between a manipulandum and a sensor of the device due to a mechanical transmission. A device position delta is determined from a sensed position of a manipulandum of an interface device. It is determined if position slip has occurred caused by a change in position of the manipulandum that was not sensed by a sensor of the interface device, typically caused by a mechanical transmission between sensor and manipulandum. If position slip has occurred, an error in the sensed position caused by the position slip is corrected by adjusting the sensed position to take into account the position slip. The adjusted position delta is used as the position of the manipulandum and the display of objects controlled by the interface device are accordingly compensated.
    • 用于补偿由于机械传动而可能发生在装置的操纵和传感器之间的界面装置中的位置滑移的方法和装置。 从接口设备的操作的感测位置确定设备位置增量。 通过由传感器和操纵之间的机械传动引起的接口装置的传感器没有感测到的操作位置的变化,确定是否发生位置滑移。 如果发生位置滑移,则通过调整感测位置来考虑位置滑移来校正由位置滑移引起的感测位置的误差。 调整后的位置增量被用作操纵的位置,相应地补偿由接口装置控制的物体的显示。
    • 4. 发明授权
    • Actuator control providing linear and continuous force output
    • 执行器控制提供线性和连续的力输出
    • US06762745B1
    • 2004-07-13
    • US09565788
    • 2000-05-05
    • Adam C. BraunKollin M. TierlingBruce M. Schena
    • Adam C. BraunKollin M. TierlingBruce M. Schena
    • G09G500
    • G06F3/016G06F3/038G06F3/0383
    • Methods and apparatus for controlling an actuator to provide linear and continuous force output to a user of a force feedback device. To provide continuous and smooth force output in a zero crossover region of operation, two drive signals are used, each causing current to flow in a different direction in the actuator. When a desired output force is in the crossover region, the two drive signals are alternated to cause the output force to quickly switch directions. When the desired force is outside the crossover region, only one drive signal is used to cause output force in one direction. To compensate for a nonlinear output of the actuator, a desired command current is correlated with an approximated point of a characterization curve of the actuator, where the curve includes points determined in a previously performed actuator characterization. The approximated point is determined between two successive points using a linear approximation, and a drive signal duty cycle is determined from the approximated point. Other features can be implemented to compensate for power supply voltage variation, back EMF effect, and temperature.
    • 用于控制致动器以向力反馈装置的使用者提供线性和连续的力输出的方法和装置。 为了在零交叉操作区域中提供连续且平稳的力输出,使用两个驱动信号,每个驱动信号使得电流在致动器中以不同的方向流动。 当期望的输出力在交叉区域中时,两个驱动信号交替以使输出力快速切换方向。 当所需的力在交叉区域之外时,仅使用一个驱动信号来在一个方向上产生输出力。 为了补偿致动器的非线性输出,期望的指令电流与致动器的表征曲线的近似点相关,其中曲线包括在先前执行的致动器特性中确定的点。 使用线性近似在两个连续点之间确定近似点,并且从近似点确定驱动信号占空比。 可以实现其他功能来补偿电源电压变化,反电动势效应和温度。
    • 5. 发明授权
    • Control knob with multiple degrees of freedom and force feedback
    • 控制旋钮具有多个自由度和力反馈
    • US07489309B2
    • 2009-02-10
    • US11603294
    • 2006-11-21
    • Michael D. LevinKenneth M. MartinBruce M. SchenaAdam C. BraunLouis B. Rosenberg
    • Michael D. LevinKenneth M. MartinBruce M. SchenaAdam C. BraunLouis B. Rosenberg
    • G09G5/00G06F3/033
    • G06F3/016
    • The present invention provides a control knob on a device that allows a user to control functions of the device. In one embodiment, the knob is rotatable in a rotary degree of freedom and moveable in at least one transverse direction approximately perpendicular to the axis. An actuator is coupled to the knob to output a force in the rotary degree of freedom about the axis, thus providing force feedback. In a different embodiment, the knob is provided with force feedback in a rotary degree of freedom about an axis and is also moveable in a linear degree of freedom approximately parallel to the axis, allowing the knob to be pushed and/or pulled by the user. The device controlled by the knob can be a variety of types of devices, such as an audio device, video device, etc. The device can also include a display providing an image updated in response to manipulation of the knob. Detent forces can be provided for the knob by overlapping and adjusting ranges of closely-spaced detents in the rotary degree of freedom of the knob.
    • 本发明提供了一种设备上的控制旋钮,其允许用户控制设备的功能。 在一个实施例中,旋钮可以旋转自由度旋转,并且在大致垂直于轴线的至少一个横向方向上可移动。 致动器联接到旋钮以输出围绕轴线的旋转自由度的力,从而提供力反馈。 在不同的实施例中,旋钮以关于轴线的旋转自由度提供力反馈,并且还可以在大致平行于轴线的线性自由度中移动,从而允许使用者推动和/或拉动旋钮 。 由旋钮控制的设备可以是各种类型的设备,诸如音频设备,视频设备等。设备还可以包括提供响应于旋钮的操纵而更新的图像的显示器。 可以通过在旋钮的旋转自由度中重叠和调整紧密间隔的棘爪的范围来为旋钮提供限位力。
    • 8. 发明申请
    • Control Knob With Multiple Degrees of Freedom and Force Feedback
    • 控制旋钮具有多重自由度和力反馈
    • US20090079712A1
    • 2009-03-26
    • US12326405
    • 2008-12-02
    • Michael D. LevinKenneth M. MartinBruce M. SchenaAdam C. BraunLouis B. Rosenberg
    • Michael D. LevinKenneth M. MartinBruce M. SchenaAdam C. BraunLouis B. Rosenberg
    • G09G5/00
    • G06F3/016G05G9/047G05G2009/0477G06F3/0354G06F3/03543G06F3/0362G06F3/0395H01H2003/008
    • The present invention provides a control knob on a device that allows a user to control functions of the device. In one embodiment, the knob is rotatable in a rotary degree of freedom and moveable in at least one transverse direction approximately perpendicular to the axis. An actuator is coupled to the knob to output a force in the rotary degree of freedom about the axis, thus providing force feedback. In a different embodiment, the knob is provided with force feedback in a rotary degree of freedom about an axis and is also moveable in a linear degree of freedom approximately parallel to the axis, allowing the knob to be pushed and/or pulled by the user. The device controlled by the knob can be a variety of types of devices, such as an audio device, video device, etc. The device can also include a display providing an image updated in response to manipulation of the knob. Detent forces can be provided for the knob by overlapping and adjusting ranges of closely-spaced detents in the rotary degree of freedom of the knob.
    • 本发明提供了一种设备上的控制旋钮,其允许用户控制设备的功能。 在一个实施例中,旋钮可以旋转自由度旋转,并且在大致垂直于轴线的至少一个横向方向上可移动。 致动器联接到旋钮以输出围绕轴线的旋转自由度的力,从而提供力反馈。 在不同的实施例中,旋钮以关于轴线的旋转自由度提供力反馈,并且还可以在大致平行于轴线的线性自由度中移动,从而允许使用者推动和/或拉动旋钮 。 由旋钮控制的设备可以是各种类型的设备,诸如音频设备,视频设备等。设备还可以包括提供响应于旋钮的操纵而更新的图像的显示器。 可以通过在旋钮的旋转自由度中重叠和调整紧密间隔的棘爪的范围来为旋钮提供限位力。