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公开(公告)号：WO2014201180A1
公开(公告)日：2014-12-18
申请号：PCT/US2014/042009
申请日：2014-06-11
Applicant: RAYTHEON COMPANY
Inventor： YOSHIDA, Amy M. , KOSTRZEWA, Thomas J. , HUGHES, Eric T. , BREST, Michael L. , GRIFFIN, Eric J. , HERSHBERG, Jerry
CPC classification number: H02P7/29 , G01R31/06 , H01F7/1844
Abstract: A drive mechanism (16A, 16B) configured to drive a thermally isolated actuator (30) between two positions. The drive mechanism includes a rotary actuated motor (18) configured to rotatably drive a motor member (20), and a drive member (22) coupled to the motor member and having a drive arm (24, 42) configured to responsively move from a first position to a second position upon rotation of the motor member. An actuator (30) is responsive to movement of the drive arm (24) moved from the first position to the second position. A drive circuit (60) is configured to generate a pulse width modulated (PWM) drive signal (70) configured to controllably drive the motor, the PWM drive signal having a first duty cycle (Phase 1) configured to advance the drive arm from the first position, and having a second duty cycle (Phase 2) different than the first duty cycle as the drive arm approaches the second position. The drive signal may be removed (Phase3) before the drive arm (42) engages a hard stop (54). The drive mechanism may comprise at least one sensor (40) configured to determine a position of the drive arm (42) proximate the first position and proximate the second position. The actuator is thermally isolated from the drive arm (42) in both the first position and the second position.
Abstract translation: 驱动机构（16A，16B），其构造成在两个位置之间驱动热隔离致动器（30）。 驱动机构包括被配置为可旋转地驱动电动机构件（20）的旋转驱动电动机（18）和联接到电动机构件并具有驱动臂（24,42）的驱动构件（22），驱动臂构造成响应于从 第一位置在马达构件旋转时到达第二位置。 致动器（30）响应于从第一位置移动到第二位置的驱动臂（24）的移动。 驱动电路（60）被配置为产生被配置为可控制地驱动电动机的脉宽调制（PWM）驱动信号（70），PWM驱动信号具有第一占空比（阶段1），其被配置为使驱动臂从 第一位置，并且当驱动臂接近第二位置时具有与第一占空比不同的第二占空比（阶段2）。 可以在驱动臂（42）接合硬停止（54）之前移除驱动信号（阶段3）。 驱动机构可以包括至少一个传感器（40），其被配置为确定驱动臂（42）在第一位置附近并靠近第二位置的位置。 致动器在第一位置和第二位置都与驱动臂（42）热隔离。
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公开(公告)号：EP3008811A1
公开(公告)日：2016-04-20
申请号：EP14739295.5
申请日：2014-06-11
Applicant: Raytheon Company
Inventor： YOSHIDA, Amy M. , KOSTRZEWA, Thomas J. , HUGHES, Eric T. , BREST, Michael L. , GRIFFIN, Eric J. , HERSHBERG, Jerry
CPC classification number: H02P7/29 , G01R31/06 , H01F7/1844
Abstract: A drive mechanism (16A, 16B) configured to drive a thermally isolated actuator (30) between two positions. The drive mechanism includes a rotary actuated motor (18) configured to rotatably drive a motor member (20), and a drive member (22) coupled to the motor member and having a drive arm (24, 42) configured to responsively move from a first position to a second position upon rotation of the motor member. An actuator (30) is responsive to movement of the drive arm (24) moved from the first position to the second position. A drive circuit (60) is configured to generate a pulse width modulated (PWM) drive signal (70) configured to controllably drive the motor, the PWM drive signal having a first duty cycle (Phase 1) configured to advance the drive arm from the first position, and having a second duty cycle (Phase 2) different than the first duty cycle as the drive arm approaches the second position. The drive signal may be removed (Phase3) before the drive arm (42) engages a hard stop (54). The drive mechanism may comprise at least one sensor (40) configured to determine a position of the drive arm (42) proximate the first position and proximate the second position. The actuator is thermally isolated from the drive arm (42) in both the first position and the second position.
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公开(公告)号：EP3008811B1
公开(公告)日：2018-09-05
申请号：EP14739295.5
申请日：2014-06-11
Applicant: Raytheon Company
Inventor： YOSHIDA, Amy M. , KOSTRZEWA, Thomas J. , HUGHES, Eric T. , BREST, Michael L. , GRIFFIN, Eric J. , HERSHBERG, Jerry
CPC classification number: H02P7/29 , G01R31/06 , H01F7/1844
Abstract: A drive mechanism (16A, 16B) configured to drive a thermally isolated actuator (30) between two positions. The drive mechanism includes a rotary actuated motor (18) configured to rotatably drive a motor member (20), and a drive member (22) coupled to the motor member and having a drive arm (24, 42) configured to responsively move from a first position to a second position upon rotation of the motor member. An actuator (30) is responsive to movement of the drive arm (24) moved from the first position to the second position. A drive circuit (60) is configured to generate a pulse width modulated (PWM) drive signal (70) configured to controllably drive the motor, the PWM drive signal having a first duty cycle (Phase 1) configured to advance the drive arm from the first position, and having a second duty cycle (Phase 2) different than the first duty cycle as the drive arm approaches the second position. The drive signal may be removed (Phase3) before the drive arm (42) engages a hard stop (54). The drive mechanism may comprise at least one sensor (40) configured to determine a position of the drive arm (42) proximate the first position and proximate the second position. The actuator is thermally isolated from the drive arm (42) in both the first position and the second position.
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