IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0116117
(2011-05-26)
|
등록번호 |
US-8628046
(2014-01-14)
|
우선권정보 |
EP-10400037 (2010-08-04) |
발명자
/ 주소 |
- Grohmann, Boris
- Paulmann, Gregor
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
9 |
초록
▼
The invention relates to a control system and to a method of operating such a control system, particularly to a control system for pilot command inputs for a helicopter, with a mechanical input signal (2), at least one electric position sensor (21, 21′) for said input signal (2), at least one electr
The invention relates to a control system and to a method of operating such a control system, particularly to a control system for pilot command inputs for a helicopter, with a mechanical input signal (2), at least one electric position sensor (21, 21′) for said input signal (2), at least one electric power supply (25, 25′) and at least one controllable, electromechanical actuator (27, 27′) fed by the at least one electric power supply (25, 25′) and controlled by the at least one electric position sensor (21, 21′). The mechanical input signal (2) is applied mechanically to the at least one controllable electromechanical actuator (27, 27′).
대표청구항
▼
1. A control system, particularly a control system for pilot command inputs, with: a mechanical input command,an actuator output, at least one electric position sensor connected to a mechanical linkage suitable to measure a displacement error between said input command and a displacement of said act
1. A control system, particularly a control system for pilot command inputs, with: a mechanical input command,an actuator output, at least one electric position sensor connected to a mechanical linkage suitable to measure a displacement error between said input command and a displacement of said actuator output,at least one electric power supply, at least one controllable, electromechanical actuator fed by the at least one electric power supply and controlled by the at least one electric position sensor, andthe mechanical input command is applied via a mechanical linkage with a lever and said actuator output to the at least one controllable electromechanical actuator characterized in that said mechanical input command is applied by means of the lever in parallel to said actuator output to a command shaft for the at least one electric position sensor. 2. A control system according to claim 1, wherein the displacement error is computed from the difference of the mechanical input command and the actuator output, said difference being determined by the mechanical linkage. 3. A control system according to claim 1, wherein the mechanical linkage of the at least one pilot's command input to the lever is at the place of the output shaft towards the electromechanical actuator and vice versa. 4. A control system according to claim 1, wherein linkage stops are provided for the command shaft to the at least one electric position sensor said linkage stops limiting any bi-directional stroke of the command shaft. 5. A control system according to claim 4, wherein abutment means are provided for interaction with the linkage stops as mechanical linkage to the output shaft. 6. A control system according to claim 1, wherein actuator control electronics are provided responsive to any displacement error at the at least one electric position sensor controlling the electromechanical actuator. 7. A control system according to claim 6, wherein a pilot command motion sensor and an actuator motion sensor are provided and in that an assigned electric position sensor is an electric summing unit processing the displacements detected by the pilot command motion sensor at the pilot's command input and the displacements detected by the actuator motion sensor at the output shaft relative to the electromechanical actuator. 8. A control system according to claim 6, wherein at least one force switch is provided for the pilot's control of the power supply for the electromechanical actuator. 9. A control system according to claim 8, wherein at least one sloppy lock is provided said sloppy lock being controlled by the force switch to block the command shaft in response to the pilot's manual input. 10. A control system according to claim 9, wherein at least one position switch is provided said position switch being in line with the force switch as a supplemental control for the sloppy lock blocking the command shaft in response to a position error beyond a predetermined amplitude. 11. A control system according to claim 8, wherein a duplex or triplex equipment is provided, respectively for each of the electric power supply, the force switch, the controllable, electromechanical actuator, the electric position sensor and the actuator control electronics. 12. A control system according to claim 11, wherein said duplex electric power supply, the force switch and the duplex actuator control electronics are parallel while the duplex controllable, electromechanical actuators and the duplex electric position sensors are in line respectively. 13. A method of operating a control system according to claim 6, wherein: a) inputting a command, preferably from the pilot or an autopilot actuator via the mechanical input command to move a mechanical linkage of lever, command shaft and output shaft (15),b) deflecting the command shaft of the electric position sensor in an at least approximately proportional relationship to said mechanical command input for creating an electric signal responsive of the amplitude and the speed of said mechanical command input,c) providing electric current from the power supply to the actuator control electronics,d) controlling said electric current responsive to the electric signal created by the electric position sensor by means of the actuator control electronics, ande) supplying the controlled current to the actuator for driving the output shaft in a direction to reduce the difference between the pilot's input command and the deflection of the command shaft of the electric position sensor towards zero. 14. A method according to claim 13, wherein: a) inputting a command, preferably from the pilot or an autopilot actuator via the mechanical input command connected to a mechanical linkage of lever, command shaft and output shaft;b) deflecting the command shaft of the electric position sensor in an at least approximately proportional relationship to said mechanical command input for creating an electric signal responsive of the amplitude and/or the speed of said mechanical command input;c) detecting an amplitude and/or speed of said mechanical input command beyond a predetermined threshold;d) switching off the electric current with a force switch and/or a position switch; ande) transmitting the mechanical command input by means of lever to the output shaft. 15. Method according to claim 13, characterized by fixing the command shaft of the electric position sensor by means of the sloppy lock. 16. A control system according to claim 1, wherein the at least one controllable, electromechanical actuator is rotary or linear. 17. A control system according to claim 16, wherein the at least one controllable, rotary or linear electromechanical actuator is a direct drive. 18. A control system according to claim 16, wherein a rotary electro-mechanical actuator and a rotary-linear gear unit are provided at the output shaft said rotary electro-mechanical actuator being combined with the rotary-linear gear unit for transmission of the pilot's command input towards the electromechanical actuator and the output shaft.
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