发明名称 |
Collective control system for a helicopter |
摘要 |
Pilot workload is reduced in a helicopter having a force-type, multi-axis sidearm control stick by providing a displacement-type control stick for collective blade pitch control. Either stick may be used by the pilot. When the force-type stick is employed, a trim system causes the displacement-stick to track a collective position command signal which is provided to the blade actuators. Changeover of control to the displacement-type control stick is accomplished either with a switch, or by moving the collective-type control stick. The signals associated with each control stick are alternately faded in and out to assure a smooth transition when collective control is switched over from one to the other.
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申请公布号 |
US4696445(A) |
申请公布日期 |
1987.09.29 |
申请号 |
US19860909046 |
申请日期 |
1986.09.18 |
申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
WRIGHT, STUART C.;STILES, JR., LORREN;ADAMS, DON L. |
分类号 |
B64C27/58;B64C13/02;B64C13/04;B64C13/12;B64C27/56;(IPC1-7):B64C13/12 |
主分类号 |
B64C27/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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