Distributed slat control system and method

Abstract

The invention belongs to the technical field of aviation systems, and particularly relates to a distributed slat control system and method. The system comprises a flap and slat control handle, two flap and slat controllers, two motor controllers, a slat power driver, two motor driving controllers, two slat power driving devices, two slat position sensors, two slat tip brakes, a plurality of rotary actuators, a plurality of torque tube assemblies, a plurality of slat inclination sensors and a plurality of slat surfaces. The inner slat is powered by one slat power driver and is driven in a centralized mode through the torque tube assembly and the slat rotating actuators, the left outermost slat is powered by the left slat power driving device, the two rotating actuators on the outer slat are driven through the torque tube assembly, and therefore independent driving of the left outermost slat is achieved. And the right outermost slat driving framework is the same as the left outermost slat driving framework.

Description

Technical Field

[0001] The present invention belongs to the technical field of aviation systems, and in particular relates to a distributed slat control system and method. Background Art

[0002] A certain type of aircraft has a wing folding function. When the wings of the aircraft are folded, the outermost slats on the leading edges of the left and right wings are required to be folded, which results in the traditional centralized drive leading edge distributed slat control system architecture being unable to meet the aircraft design requirements. It is necessary to redesign a slat control system and method that can meet the wing folding function. Summary of the invention

[0003] Purpose of the invention: To provide a distributed slat control system and method to solve the technical problems of folding the outermost slats and synchronously driving the slats of a certain type of aircraft.

[0004] Technical solution:

[0005] A distributed slat control system comprises: a flap slat control handle 1, two flap slat controllers 2, two motor controllers 3, a slat power driver 4, two motor drive controllers 5, two slat power drive devices 6, two slat position sensors 7, two slat wing tip brakes 8, a plurality of rotary actuators 9, a plurality of torque tube assemblies 10, a plurality of slat tilt sensors 11 and a plurality of slat wing surfaces 12, wherein:

[0006] The two output shafts of the slat power driver 4 are respectively connected to the rotary actuators 9 of the adjacent slat surfaces 12 through the torque tube assembly 10; the two rotary actuators 9 of each slat surface 12 are connected to the slat surface 12 through a gear rack; the rotary actuators 9 of each slat surface 12 except the outermost slat surface 12 are sequentially connected in series through the torque tube assembly 10;

[0007] The left slat wing tip brake 8 - 1 and the right slat wing tip brake 8 - 2 are respectively arranged on the torque tube assembly 10 between the two rotary actuators 9 of the two second outer slat airfoils 12;

[0008] The left slat position sensor 7-1 and the right slat position sensor 7-2 are respectively arranged at the ends of the torque tube assembly 10 of the two second outer slat wing surfaces 12;

[0009] The left slat power drive device 6-1 and the right slat power drive device 6-2 are respectively arranged in the middle of the torque tube assembly 10 of the outermost slat wing surface 12;

[0010] The flap and slat control handle 1 is physically connected to the first flap and slat controller 2-1 and the second flap and slat controller 2-2 through hard wires;

[0011] The first flap controller 2-1 is physically connected to the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 through an internal bus;

[0012] The first flap slat controller 2-1 is physically connected to the left slat position sensor 7-1 through a hard line, is physically connected to the right slat position sensor 7-2 through a hard line, is physically connected to the left slat wing tip brake 8-1 through a hard line, is physically connected to the right slat wing tip brake 8-2 through a hard line, and is physically connected to the slat tilt sensor 11 through a hard line;

[0013] The second flap controller 2-2 is physically connected to the second motor controller 3-2 via an internal bus;

[0014] The second flap slat controller 2-2 is physically connected to the left slat position sensor 7-1 through a hard line, is physically connected to the right slat position sensor 7-2 through a hard line, is physically connected to the left slat wing tip brake 8-1 through a hard line, is physically connected to the right slat wing tip brake 8-2 through a hard line, and is physically connected to the slat tilt sensor 11 through a hard line;

[0015] The first motor controller 3 - 1 is physically connected to the slat power driver 4 via a hard line;

[0016] The second motor controller 3 - 2 is physically connected to the slat power driver 4 via a hard line;

[0017] The first motor drive controller 5 - 1 is physically connected to the left slat power drive device 6 - 1 via a hard line;

[0018] The second motor drive controller 5-2 is physically connected to the right slat power drive device 6-2 via a hard line;

[0019] The first flap and slat controller 2 - 1 and the second flap and slat controller 2 - 2 are physically connected via an internal bus.

[0020] Furthermore, the first flap slat controller 2-1 and the second flap slat controller 2-2 are exactly the same, the first motor controller 3-1 and the second motor controller 3-2 are exactly the same and adopt an electrical dual redundancy form, the first motor drive controller 5-1 and the second motor drive controller 5-2 are exactly the same, the left slat power drive device 6-1 and the right slat power drive device 6-2 are exactly the same and adopt a single channel form, the left slat position sensor 7-1 and the right slat position sensor 7-2 are exactly the same and adopt an electrical dual redundancy form, and the left slat wingtip brake 8-1 and the right slat wingtip brake 8-2 are exactly the same and adopt a dual control channel form.

[0021] Furthermore, the slat power driver 4 adopts a dual-motor main-main drive form, any motor can be an electric motor or a hydraulic motor, and after any motor fails, the output torque of the slat power driver 4 remains unchanged but the speed is halved.

[0022] Furthermore, the position loop control of all slats is implemented by the first flap slat controller 2-1 and the second flap slat controller 2-2, and the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 only implement speed loop and torque loop control.

[0023] A distributed slat control method, the method is performed by the above-mentioned distributed slat control system, the method comprising:

[0024] Normal mode control:

[0025] When the pilot operates the flap and slat control handle 1, the flap and slat control handle 1 sends the pilot's operating instructions to the first flap and slat controller 2-1 and the second flap and slat controller 2-2 in the form of electrical signals; the first flap and slat controller 2-1 generates a slat position control instruction according to the gear information of the flap and slat control handle 1, the electrical channel 1 information of the left slat position sensor 7-1, the electrical channel 1 information of the right slat position sensor 7-2, the system state and the flight parameters; the second flap and slat controller 2-1 generates a slat position control instruction according to the gear information of the flap and slat control handle 1, the electrical channel 2 information of the left slat position sensor 7-1, the electrical channel 2 information of the right slat position sensor 7-2, the system state and the flight parameters;

[0026] The first flap and slat controller 2-1 sends the generated slat position control instruction to the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 through the system internal bus; the first motor controller 3-1 controls the motor 1 on the slat power driver 4 according to the slat position control instruction issued by the first flap and slat controller 2-1, thereby providing the required speed and torque for the slat power driver 4;

[0027] The second flap and slat controller 2-2 sends the generated slat position control instruction to the second motor controller 3-2 through the system internal bus; the second motor controller 3-2 controls the motor 2 on the slat power driver 4 according to the slat position control instruction issued by the second flap and slat controller 2-2, thereby providing the required speed and torque for the slat power driver 4;

[0028] The slat power driver 4 has a speed integration function, which first accumulates the speeds of the motor 1 and the motor 2, and then transmits them to the rotary actuators 9 of the slats on both sides through the torque tube assemblies 10 on both sides, thereby driving all the inner slats to be retracted or unfolded at the same time;

[0029] The first motor drive controller 5-1 controls the left slat power drive device 6-1 according to the slat position control instruction issued by the first flap slat controller 2-1, and the left slat power drive device 6-1 transmits the output torque to the left outermost slat rotary actuator 9 through the torque tube assembly 10, and the left outermost slat rotary actuator 9 drives the left outermost slat to be retracted or unfolded through the gear rack mechanism;

[0030] The second motor drive controller 5-2 controls the right slat power drive device 6-2 according to the slat position control instruction issued by the first flap slat controller 2-1, and the right slat power drive device 6-2 transmits the output torque to the right outermost slat rotary actuator 9 through the torque tube assembly 10, and the right outermost slat rotary actuator 9 drives the right outermost slat to be folded or unfolded through the gear rack mechanism;

[0031] The electrical channel 1 and the electrical channel 2 of the left slat position sensor 7-1 respectively feed back the position of the left inner slat to the first flap slat controller 2-1 and the second flap slat controller 2-2 in real time, and the electrical channel 1 and the electrical channel 2 of the right slat position sensor 7-2 respectively feed back the position of the right inner slat to the first flap slat controller 2-1 and the second flap slat controller 2-2 in real time;

[0032] When the first flap slat controller 2-1 determines that the left and right inner slats have moved to the target position, it will simultaneously send a braking command to the control channel 1 of the left slat wing tip brake 8-1 and the right slat wing tip brake 8-2; when the second flap slat controller 2-2 determines that the left and right inner slats have moved to the target position, it will simultaneously send a braking command to the control channel 2 of the left slat wing tip brake 8-1 and the right slat wing tip brake 8-2; the left slat wing tip brake 8-1 will not fully brake until it receives the braking command from the first flap slat controller 2-1 and the second flap slat controller 2-2; the right slat wing tip brake 8-2 will not fully brake until it receives the braking command from the first flap slat controller 2-1 and the second flap slat controller 2-2;

[0033] The position sensor on the left slat power drive device 6-1 feeds back the actual position of the outermost slat on the left side to the first flap slat controller 2-1 in real time. When the first flap slat controller 2-1 determines that the outermost slat on the left side has moved to the target position, the first flap slat controller 2-1 sends a braking command to the first motor drive controller 5-1. After receiving the braking command, the first motor drive controller 5-1 immediately disconnects the input power of the left slat power drive device 6-1 to brake the left slat power drive device 6-1; the position sensor on the right slat power drive device 6-2 feeds back the actual position of the outermost slat on the right side to the first flap slat controller 2-1 in real time. When the first flap slat controller 2-1 determines that the outermost slat on the right side has moved to the target position, the first flap slat controller 2-1 sends a braking command to the second motor drive controller 5-2. After receiving the braking command, the second motor drive controller 5-2 immediately disconnects the input power of the right slat power drive device 6-2 to brake the right slat power drive device 6-2.

[0034] Furthermore, it also includes:

[0035] Failure mode control:

[0036] The first flap and slat controller 2-1 and the second flap and slat controller 2-2 monitor the status of the distributed slat control system in real time.

[0037] The first flap slat controller 2-1, the first motor controller 3-1 and the motor 1 on the slat power drive device 4 constitute the first control drive channel of the inner slat. When the first motor controller 3-1 or the motor 1 on the slat power drive device 4 fails, the distributed slat control system enters the degradation mode, and the movement speed of the inner slat is halved; at the same time, the first flap slat controller 2-1 will also control the first motor drive controller 5-1 and the second motor drive controller 5-2 to reduce the speed of the corresponding left slat power drive device 6-1 and the right slat power drive device 6-2 by half, ensuring that the outermost slat on the left and the outermost slat on the right are synchronized with the movement speed of the inner slat;

[0038] When the first flap slat controller 2-1 fails, the distributed slat control system enters a degraded mode, at which time the movement speed of the inner slat is halved, and the outermost slat on the left and the outermost slat on the right are braked and maintained at the current position;

[0039] The second flap slat controller 2-2, the second motor controller 3-2 and the motor 2 on the slat power drive device 4 constitute the second control drive channel of the inner slat. When the second flap slat controller 2-2, the second motor controller 3-2 or the motor 2 on the slat power drive device 4 fails, the distributed slat control system enters the degradation mode, and the movement speed of the inner slat is halved; at the same time, the first flap slat controller 2-1 will also control the first motor drive controller 5-1 and the second motor drive controller 5-2 to reduce the speed of the corresponding left slat power drive device 6-1 and the right slat power drive device 6-2 by half, ensuring that the outermost slat on the left and the outermost slat on the right are synchronized with the movement speed of the inner slat;

[0040] When the first flap slat controller 2-1 determines that an asymmetric fault occurs in the distributed slat control system by comparing the difference between the electrical channel 1 of the left slat position sensor 7-1 and the electrical channel 1 of the right slat position sensor 7-2, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake all slats; when the second flap slat controller 2-2 determines that an asymmetric fault occurs in the system by comparing the difference between the electrical channel 2 of the left slat position sensor 7-1 and the electrical channel 2 of the right slat position sensor 7-2, the second flap slat controller 2-2 will issue a braking command to the distributed slat control system to brake all slats;

[0041] When the first flap slat controller 2-1 determines that a tilt failure occurs in the distributed slat control system by comparing the difference between the electrical channels 1 of the two slat tilt sensors 11 on the same wing surface, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake all slats; when the second flap slat controller 2-2 determines that a tilt failure occurs in the distributed slat control system by comparing the difference between the electrical channels 2 of the two slat tilt sensors 11 on the same wing surface, the second flap slat controller 2-2 will issue a braking command to the distributed slat control system to brake all slats;

[0042] When the first flap slat controller 2-1 determines that a non-command motion failure occurs in the system through feedback information from the electrical channel 1 of the left slat position sensor 7-1 and the electrical channel 1 of the right slat position sensor 7-2, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake all slats; when the second flap slat controller 2-2 determines that a non-command motion failure occurs in the system through feedback information from the electrical channel 2 of the left slat position sensor 7-1 and the electrical channel 2 of the right slat position sensor 7-2, the second flap slat controller 2-2 will issue a braking command to the distributed slat control system to brake all slats;

[0043] When the first flap and slat controller 2-1 or the second flap and slat controller 2-2 determines that an asymmetric fault, a tilt fault, or a non-command motion fault occurs in the distributed slat control system, the asymmetric fault, the tilt fault, or the non-command motion fault information is sent to the other flap and slat controller. When the flap and slat controller receives the asymmetric fault, the tilt fault, or the non-command motion fault information sent by the other party, it sends a braking command to the brake controlled by itself;

[0044] When the first flap slat controller 2-1 determines that the left outermost slat or the right outermost slat fails, the first flap slat controller 2-1 will simultaneously disconnect the control instructions of the left slat power drive device 6-1 and the right slat power drive device 6-2 to brake the left outermost slat or the right outermost slat; at this time, the first flap slat controller 2-1 and the second flap slat controller 2-2 control all the inner slats to be retracted or unfolded according to the normal mode control logic;

[0045] When the first flap and slat controller 2-1 determines that an asymmetric fault, a tilt fault, or a non-command motion fault occurs in the outermost slat on the left or the outermost slat on the right, the first flap and slat controller 2-1 will issue a braking command to the distributed slat control system to brake all the slats; the first flap and slat controller 2-1 will simultaneously send the asymmetric fault, the tilt fault, or the non-command motion fault information of the outermost slat on the left or the outermost slat on the right to the second flap and slat controller 2-2, and after receiving the fault information, the second flap and slat controller 2-2 will immediately issue a braking command to the distributed slat control system to brake the slats.

[0046] Furthermore, it also includes:

[0047] Synchronization control of distributed slat control system:

[0048] When the first flap and slat controller 2-1 generates a slat position control instruction, the first flap and slat controller 2-1 sends the slat position control instruction to the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 at the same time, thereby ensuring that the movement of the inner slat, the outermost slat on the left and the outermost slat on the right are synchronous movements; in addition, the first flap and slat controller 2-1 and the second flap and slat controller 2-2 need to be synchronized when initially powered on to ensure that the instruction frame period of the first flap and slat controller 2-1 and the second flap and slat controller 2-2 are consistent.

[0049] A distributed slat control system comprises: a flap slat control handle 1, two flap slat controllers 2, two motor controllers 3, a slat power driver 4, two outer slat power drive devices, two slat position sensors 7, two slat wing tip brakes 8, a plurality of rotary actuators 9, a plurality of torque tube assemblies 10, a plurality of slat tilt sensors 11 and a plurality of slat wing surfaces 12, wherein:

[0050] The two output shafts of the slat power driver 4 are respectively connected to the rotary actuators 9 of the adjacent slat surfaces 12 through the torque tube assembly 10; the two rotary actuators 9 of each slat surface 12 are connected to the slat surface 12 through a gear rack; the rotary actuators 9 of each slat surface 12 except the outermost slat surface 12 are sequentially connected in series through the torque tube assembly 10;

[0051] The left slat wing tip brake 8 - 1 and the right slat wing tip brake 8 - 2 are respectively arranged on the torque tube assembly 10 between the two rotary actuators 9 of the two second outer slat airfoils 12;

[0052] The left slat position sensor 7-1 and the right slat position sensor 7-2 are respectively arranged at the ends of the torque tube assembly 10 of the two second outer slat wing surfaces 12;

[0053] The left outer slat power drive device includes: a first electromechanical actuator and a second electromechanical actuator, and the two electromechanical actuators are respectively connected to the left outer slat through a gear rack;

[0054] The right outer slat power drive device includes: a third electromechanical actuator and a fourth electromechanical actuator, and the two electromechanical actuators are respectively connected to the right outer slat through a gear rack;

[0055] The first motor driver and the second motor driver are connected to the first flap controller 2-1 via a bus;

[0056] The third motor driver and the fourth motor driver are connected to the second flap controller 2-2 via a bus;

[0057] The flap and slat control handle 1 is physically connected to the first flap and slat controller 2-1 and the second flap and slat controller 2-2 through hard wires;

[0058] The first flap controller 2-1 is physically connected to the first motor controller 3-1 through an internal bus;

[0059] The first flap slat controller 2-1 is physically connected to the left slat position sensor 7-1 through a hard line, is physically connected to the right slat position sensor 7-2 through a hard line, is physically connected to the left slat wing tip brake 8-1 through a hard line, is physically connected to the right slat wing tip brake 8-2 through a hard line, and is physically connected to the slat tilt sensor 11 through a hard line;

[0060] The second flap controller 2-2 is physically connected to the second motor controller 3-2 via an internal bus;

[0061] The second flap slat controller 2-2 is physically connected to the left slat position sensor 7-1 through a hard line, is physically connected to the right slat position sensor 7-2 through a hard line, is physically connected to the left slat wing tip brake 8-1 through a hard line, is physically connected to the right slat wing tip brake 8-2 through a hard line, and is physically connected to the slat tilt sensor 11 through a hard line;

[0062] The first motor controller 3 - 1 is physically connected to the slat power driver 4 via a hard line;

[0063] The second motor controller 3 - 2 is physically connected to the slat power driver 4 via a hard line;

[0064] The first flap and slat controller 2 - 1 and the second flap and slat controller 2 - 2 are physically connected via an internal bus.

[0065] Beneficial effects:

[0066] The left and right outermost slats of the system of the present invention are both controlled in a distributed manner, which realizes the functional requirement of folding the outermost slats when the wings are folded, while meeting the performance requirement that all slats can be unfolded or folded synchronously.

[0067] 2 The inner slat, the left outermost slat and the right outermost slat of the system of the present invention are all controlled simultaneously by the first flap slat controller, which ensures the synchronization of all slat movements and also reduces the technical difficulty of synchronization design of the distributed control system.

[0068] 3 The left and right outermost slats of the system of the present invention are both electrically driven, compared with the hydraulic drive method. After the wing is folded multiple times, the anti-fatigue effect of the cable is significantly better than that of the hydraulic pipeline, and the risk of airworthiness certification is relatively low.

[0069] 4 Since the loads on the left and right outermost slats are relatively small, the designed left slat power drive device and the right slat power drive device are both driven by 28VDC brushless DC motors, thereby eliminating the power supply conversion modules inside the first motor drive controller and the second motor drive controller, reducing product complexity and weight.

[0070] 5 The system of the present invention adopts a redundant control method to improve the availability of the distributed slat control system.

[0071] The system of the present invention improves the safety of the distributed slat control system by performing internal state monitoring, asymmetry monitoring, tilt monitoring, and non-command motion monitoring on the distributed slat control system and designing corresponding safety protection measures for various failure modes. BRIEF DESCRIPTION OF THE DRAWINGS

[0072] Figure 1 is a schematic diagram of a distributed slat control system according to Embodiment 1 of the present invention;

[0073] Among them, 1-flap and slat control handle, 2-1-first flap and slat controller, 2-2-second flap and slat controller, 3-1-first motor controller, 3-2-second motor controller, 4-slat power driver, 5-1-first motor drive controller, 5-2-second motor drive controller, 6-1-left slat power drive device, 6-2-right slat power drive device, 7-1-left slat position sensor, 7-2-right slat position sensor, 8-1-left slat wingtip brake, 8-2-right slat wingtip brake, 9-slat rotation actuator, 10-torque tube assembly, 11-slat tilt sensor. DETAILED DESCRIPTION

[0074] The present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0075] The invention is applicable to the high lift system of mainline aircraft.

[0076] Embodiment 1:

[0077] A distributed slat control system comprises: a flap and slat control handle 1, two flap and slat controllers 2, two motor controllers 3, a slat power driver 4, two motor drive controllers 5, two slat power drive devices 6, two slat position sensors 7, two slat wing tip brakes 8, a plurality of rotary actuators 9, a plurality of torque tube assemblies 10, a plurality of slat tilt sensors 11 and a plurality of slat wing surfaces 12.

[0078] All inner slats are centrally driven by the slat power driver 4 through the torque tube assembly 10, the outermost slat on the left is independently driven by the left slat power driver 6-1 through the torque tube assembly 10, and the outermost slat on the right is independently driven by the right slat power driver 6-2 through the torque tube assembly 10, thereby constructing a system architecture in which centralized drive and distributed drive coexist.

[0079] The position loop control of all slats is implemented by the first flap slat controller 2-1 and the second flap slat controller 2-2, and the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 only implement speed loop and torque loop control.

[0080] like Figure 1, the two flap and slat controllers are exactly the same, respectively denoted as the first flap and slat controller 2-1 and the second flap and slat controller 2-2. The left slat position sensor 7-1 adopts the electrical dual redundancy form, respectively denoted as electrical channel 1 and electrical channel 2. The right slat position sensor 7-2 adopts the electrical dual redundancy form, respectively denoted as electrical channel 1 and electrical channel 2. The left slat wingtip brake 8-1 adopts dual redundancy control, respectively denoted as control channel 1 and control channel 2. The slat power drive 4 adopts a dual-motor main-main drive form, the motors are respectively denoted as motor 1 and motor 2, and the motor form can be an electric motor or a hydraulic motor. The left slat power drive device 6-1 and the right slat power drive device 6-2 both adopt a single redundancy drive form. The slat tilt sensors 11 all adopt the electrical dual redundancy form, respectively denoted as electrical channel 1 and electrical channel 2.

[0081] The two output shafts of the slat power driver 4 are respectively connected to the rotary actuators 9 of the adjacent slat surfaces 12 through the torque tube assembly 10; the two rotary actuators 9 of each slat surface 12 are connected to the slat surface 12 through a gear rack; the rotary actuators 9 of each slat surface 12 except the outermost slat surface 12 are sequentially connected in series through the torque tube assembly 10; the left slat wing tip brake 8-1 and the right slat wing tip brake 8-2 are respectively arranged on the torque tube assembly 10 between the two rotary actuators 9 of the two second outer slat surfaces 12; the left slat position sensor 7-1 and the right slat position sensor 7-2 are respectively arranged At the end of the torque tube assembly 10 of the two second outer slat surfaces 12; the left slat power drive device 6-1 and the right slat power drive device 6-2 are respectively arranged in the middle of the torque tube assembly 10 of the outermost slat surface 12; the flap slat control handle 1 is physically connected to the first flap slat controller 2-1 and the second flap slat controller 2-2 through hard wires; the first flap slat controller 2-1 is physically connected to the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 through an internal bus; the first flap slat controller 2-1 is connected to the left slat position controller 1 through a hard wire. The sensor 7-1 is physically connected to the right slat position sensor 7-2 through a hard line, is physically connected to the left slat wingtip brake 8-1 through a hard line, is physically connected to the right slat wingtip brake 8-2 through a hard line, and is physically connected to the slat tilt sensor 11 through a hard line; the second flap slat controller 2-2 is physically connected to the second motor controller 3-2 through an internal bus; the second flap slat controller 2-2 is physically connected to the left slat position sensor 7-1 through a hard line, is physically connected to the right slat position sensor 7-2 through a hard line, and is physically connected to the left slat wingtip brake 8-1 through a hard line, It is physically connected to the right slat wingtip brake 8-2 through a hard wire, and is physically connected to the slat tilt sensor 11 through a hard wire; the first motor controller 3-1 is physically connected to the slat power driver 4 through a hard wire; the second motor controller 3-2 is physically connected to the slat power driver 4 through a hard wire; the first motor drive controller 5-1 is physically connected to the left slat power drive device 6-1 through a hard wire; the second motor drive controller 5-2 is physically connected to the right slat power drive device 6-2 through a hard wire; the first flap slat controller 2-1 and the second flap slat controller 2-2 are physically connected through an internal bus.

[0082] The control method of the above-mentioned distributed slat control system specifically includes:

[0083] Normal mode control:

[0084] When the pilot manipulates the flap and slat control handle 1, the flap and slat control handle 1 sends the pilot's manipulation instructions to the first flap and slat controller 2-1 and the second flap and slat controller 2-2 in the form of electrical signals. The first flap and slat controller 2-1 generates a slat position control instruction based on the gear information of the flap and slat control handle 1, the electrical channel 1 information of the left slat position sensor 7-1, the electrical channel 1 information of the right slat position sensor 7-2, the system status and flight parameters. The second flap and slat controller 2-1 generates a slat position control instruction based on the gear information of the flap and slat control handle 1, the electrical channel 2 information of the left slat position sensor 7-1, the electrical channel 2 information of the right slat position sensor 7-2, the system status and flight parameters.

[0085] The first flap and slat controller 2-1 sends the generated slat position control instruction to the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 through the system bus. The first motor controller 3-1 controls the motor 1 on the slat power driver 4 according to the slat position control instruction issued by the first flap and slat controller 2-1, thereby providing the required speed and torque for the slat power driver 4.

[0086] The second flap and slat controller 2-2 sends the generated slat position control instruction to the second motor controller 3-2 through the system bus. The second motor controller 3-2 controls the motor 2 on the slat power driver 4 according to the slat position control instruction issued by the second flap and slat controller 2-2, thereby providing the required speed and torque for the slat power driver 4.

[0087] The slat power driver 4 has a speed integration function, which first accumulates the speeds of motor 1 and motor 2, and then transmits them to the rotary actuators 9 of the slats on both sides through the torque tube assemblies 10 on both sides, thereby driving all the inner slats to be folded or unfolded at the same time.

[0088] The first motor drive controller 5-1 controls the left slat power drive device 6-1 according to the slat position control command issued by the first flap slat controller 2-1, and the left slat power drive device 6-1 transmits the output torque to the left outermost slat rotary actuator 9 through the torque tube assembly 10, and the left outermost slat rotary actuator 9 drives the left outermost slat to be folded or unfolded through the gear rack mechanism. The second motor drive controller 5-2 controls the right slat power drive device 6-2 according to the slat position control command issued by the first flap slat controller 2-1, and the right slat power drive device 6-2 transmits the output torque to the right outermost slat rotary actuator 9 through the torque tube assembly 10, and the right outermost slat rotary actuator 9 drives the right outermost slat to be folded or unfolded through the gear rack mechanism.

[0089] The electrical channels 1 and 2 of the left slat position sensor 7-1 respectively feed back the position of the left inner slat to the first flap slat controller 2-1 and the second flap slat controller 2-2 in real time, and the electrical channels 1 and 2 of the right slat position sensor 7-2 respectively feed back the position of the right inner slat to the first flap slat controller 2-1 and the second flap slat controller 2-2 in real time. When the first flap slat controller 2-1 determines that the left and right inner slats have moved to the target position, it will simultaneously send a braking command to the control channel 1 of the left slat wing tip brake 8-1 and the right slat wing tip brake 8-2; when the second flap slat controller 2-2 determines that the left and right inner slats have moved to the target position, it will simultaneously send a braking command to the control channel 2 of the left slat wing tip brake 8-1 and the right slat wing tip brake 8-2. The left slat wing tip brake 8-1 will be fully braked only when it receives the braking commands from the first flap slat controller 2-1 and the second flap slat controller 2-2 at the same time. The right slat wing tip brake 8-2 will be fully braked only when it receives the braking instructions from the first flap slat controller 2-1 and the second flap slat controller 2-2 at the same time.

[0090] The position sensor on the left slat power drive device 6-1 feeds back the actual position of the left outermost slat to the first flap slat controller 2-1 in real time. When the first flap slat controller 2-1 determines that the left outermost slat moves to the target position, the first flap slat controller 2-1 sends a braking command to the first motor drive controller 5-1. After receiving the braking command, the first motor drive controller 5-1 immediately disconnects the input power of the left slat power drive device 6-1 to brake the left slat power drive device 6-1. The position sensor on the right slat power drive device 6-2 feeds back the actual position of the right outermost slat to the first flap slat controller 2-1 in real time. When the first flap slat controller 2-1 determines that the right outermost slat moves to the target position, the first flap slat controller 2-1 sends a braking command to the second motor drive controller 5-2. After receiving the braking command, the second motor drive controller 5-2 immediately disconnects the input power of the right slat power drive device 6-2 to brake the right slat power drive device 6-2.

[0091] Failure mode control:

[0092] The first flap slat controller 2-1 and the second flap slat controller 2-2 monitor the status of the distributed slat control system in real time. When the first flap slat controller 2-1 or the second flap slat controller 2-2 determines that the system is abnormal, corresponding processing measures will be taken immediately to ensure the normal operation of the distributed slat control system.

[0093] The first flap slat controller 2-1, the first motor controller 3-1 and the motor 1 on the slat power drive device 4 constitute the first control drive channel of the inner slat. When the first motor controller 3-1 or the motor 1 on the slat power drive device 4 fails, the distributed slat control system enters the degradation mode, and the movement speed of the inner slat is halved. At the same time, the first flap slat controller 2-1 will also control the first motor drive controller 5-1 and the second motor drive controller 5-2 to reduce the speed of the corresponding left slat power drive device 6-1 and the right slat power drive device 6-2 by half, ensuring that the outermost slat on the left and the outermost slat on the right are synchronized with the movement speed of the inner slat. When the first flap slat controller 2-1 fails, the distributed slat control system enters the degradation mode, at which time the movement speed of the inner slat is halved, and the outermost slat on the left and the outermost slat on the right are braked and maintained at the current position.

[0094] The second flap slat controller 2-2, the second motor controller 3-2 and the motor 2 on the slat power drive device 4 constitute the second control drive channel of the inner slat. When the second flap slat controller 2-2, the second motor controller 3-2 or the motor 2 on the slat power drive device 4 fails, the distributed slat control system enters the degradation mode, and the movement speed of the inner slat is halved. At the same time, the first flap slat controller 2-1 will also control the first motor drive controller 5-1 and the second motor drive controller 5-2 to reduce the speed of the corresponding left slat power drive device 6-1 and the right slat power drive device 6-2 by half, ensuring that the outermost slat on the left and the outermost slat on the right are synchronized with the movement speed of the inner slat.

[0095] When the first flap slat controller 2-1 determines that an asymmetric fault occurs in the distributed slat control system by comparing the difference between the electrical channel 1 of the left slat position sensor 7-1 and the electrical channel 1 of the right slat position sensor 7-2, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake the slat. When the second flap slat controller 2-2 determines that an asymmetric fault occurs in the system by comparing the difference between the electrical channel 2 of the left slat position sensor 7-1 and the electrical channel 2 of the right slat position sensor 7-2, the second flap slat controller 2-2 will issue a braking command to the distributed slat control system to brake the slat.

[0096] When the first flap slat controller 2-1 determines that a tilt failure occurs in the distributed slat control system by comparing the difference between the electrical channels 1 of the two slat tilt sensors 11 on the same wing surface, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake the slat. When the second flap slat controller 2-2 determines that a tilt failure occurs in the distributed slat control system by comparing the difference between the electrical channels 2 of the two slat tilt sensors 11 on the same wing surface, the second flap slat controller 2-2 will issue a braking command to the distributed slat control system to brake the slat.

[0097] When the first flap slat controller 2-1 determines that the system has a non-command motion failure through the feedback information of the left slat position sensor 7-1 electrical channel 1 and the right slat position sensor 7-2 electrical channel 1, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake the slat. When the second flap slat controller 2-2 determines that the system has a non-command motion failure through the feedback information of the left slat position sensor 7-1 electrical channel 2 and the right slat position sensor 7-2 electrical channel 2, the second flap slat controller 2-2 will issue a braking command to the distributed slat control system to brake the slat.

[0098] When the first flap and slat controller 2-1 or the second flap and slat controller 2-2 determines that an asymmetric fault, a tilt fault, or a non-commanded motion fault occurs in the distributed slat control system, it will send the asymmetric fault, tilt fault, or non-commanded motion fault information to the other flap and slat controller. When the flap and slat controller receives the asymmetric fault, tilt fault, or non-commanded motion fault information sent by the other party, it will also issue a braking command to the brake controlled by itself.

[0099] When the first flap slat controller 2-1 determines that the left outermost slat or the right outermost slat fails, the first flap slat controller 2-1 will simultaneously disconnect the control instructions of the left slat power drive device 6-1 and the right slat power drive device 6-2 to brake the left outermost slat or the right outermost slat. At this time, the first flap slat controller 2-1 and the second flap slat controller 2-2 control all inner slats to be retracted or unfolded according to the normal mode control logic.

[0100] When the first flap slat controller 2-1 determines that an asymmetric fault, a tilt fault, or a non-command motion fault occurs in the left outermost slat or the right outermost slat, the first flap slat controller 2-1 will issue a braking command to the distributed slat control system to brake the slat. The first flap slat controller 2-1 simultaneously sends the asymmetric fault, a tilt fault, or a non-command motion fault information of the left outermost slat or the right outermost slat to the second flap slat controller 2-2, and the second flap slat controller 2-2 will immediately issue a braking command to the distributed slat control system after receiving the fault information to brake the slat.

[0101] Synchronization control of distributed slat control system:

[0102] When the first flap slat controller 2-1 generates a slat position control instruction, the first flap slat controller 2-1 sends the slat position control instruction to the first motor controller 3-1, the first motor drive controller 5-1 and the second motor drive controller 5-2 at the same time, thereby ensuring that the movement of the inner slat, the left outermost slat and the right outermost slat is synchronous movement. In addition, the first flap slat controller 2-1 and the second flap slat controller 2-2 need to be synchronized when initially powered on to ensure that the command frame period of the first flap slat controller 2-1 and the second flap slat controller 2-2 are consistent.

[0103] Embodiment 2:

[0104] The control of the outer slat is not limited to the motor drive controller 5 and the slat power drive device 6 in Example 1, and can also be controlled by the outer slat power drive device. Specifically, the left outer slat power drive device includes: a first electromechanical actuator and a second electromechanical actuator, and the two electromechanical actuators are respectively connected to the left outer slat through a gear rack; the right outer slat power drive device includes: a third electromechanical actuator and a fourth electromechanical actuator, and the two electromechanical actuators are respectively connected to the right outer slat through a gear rack; the first motor driver and the second motor driver are connected to the first flap slat controller 2-1 through a bus; the third motor driver and the fourth motor driver are connected to the second flap slat controller 2-2 through a bus.

Claims

1. A distributed slat control system, characterized in that: include: A flap and slat control handle (1), two flap and slat controllers (2), two motor controllers (3), a slat power driver (4), two motor drive controllers (5), two slat power drive devices (6), two slat position sensors (7), two slat wing tip brakes (8), a plurality of rotary actuators (9), a plurality of torque tube assemblies (10), a plurality of slat tilt sensors (11) and a plurality of slat wing surfaces (12), wherein: The two output shafts of the slat power driver (4) are respectively connected to the rotary actuators (9) of adjacent slat surfaces (12) through a torque tube assembly (10); the two rotary actuators (9) of each slat surface (12) are connected to the slat surface (12) through a gear rack; the rotary actuators (9) of each slat surface (12) except the outermost slat surface (12) are sequentially connected in series through the torque tube assembly (10); A left slat wing tip brake (8-1) and a right slat wing tip brake (8-2) are respectively arranged on a torque tube assembly (10) between two rotary actuators (9) of two second outer slat wing surfaces (12); A left slat position sensor (7-1) and a right slat position sensor (7-2) are respectively arranged at the ends of the torque tube assemblies (10) of the two second outer slat wing surfaces (12); The left slat power drive device (6-1) and the right slat power drive device (6-2) are respectively arranged in the middle of the torque tube assembly (10) of the outermost slat wing surface (12); The flap and slat control handle (1) is physically connected to the first flap and slat controller (2-1) and the second flap and slat controller (2-2) respectively through hard wires; The first flap controller (2-1) is physically connected to the first motor controller (3-1), the first motor drive controller (5-1) and the second motor drive controller (5-2) respectively through an internal bus; The first flap slat controller (2-1) is physically connected to the left slat position sensor (7-1) through a hard wire, is physically connected to the right slat position sensor (7-2) through a hard wire, is physically connected to the left slat wing tip brake (8-1) through a hard wire, is physically connected to the right slat wing tip brake (8-2) through a hard wire, and is physically connected to the slat tilt sensor (11) through a hard wire; The second flap controller (2-2) is physically connected to the second motor controller (3-2) via an internal bus; The second flap slat controller (2-2) is physically connected to the left slat position sensor (7-1) through a hard wire, is physically connected to the right slat position sensor (7-2) through a hard wire, is physically connected to the left slat wing tip brake (8-1) through a hard wire, is physically connected to the right slat wing tip brake (8-2) through a hard wire, and is physically connected to the slat tilt sensor (11) through a hard wire; The first motor controller (3-1) is physically connected to the slat power driver (4) via a hard line; The second motor controller (3-2) is physically connected to the slat power driver (4) via a hard line; The first motor drive controller (5-1) is physically connected to the left slat power drive device (6-1) via a hard line; The second motor drive controller (5-2) is physically connected to the right slat power drive device (6-2) via a hard line; The first flap and slat controller (2-1) and the second flap and slat controller (2-2) are physically connected via an internal bus.

2. The distributed slat control system according to claim 1, characterized in that: The first flap slat controller (2-1) and the second flap slat controller (2-2) are completely identical, the first motor controller (3-1) and the second motor controller (3-2) are completely identical and adopt an electrical dual redundancy form, the first motor drive controller (5-1) and the second motor drive controller (5-2) are completely identical, the left slat power drive device (6-1) and the right slat power drive device (6-2) are completely identical and adopt a single-channel form, the left slat position sensor (7-1) and the right slat position sensor (7-2) are completely identical and adopt an electrical dual redundancy form, and the left slat wing tip brake (8-1) and the right slat wing tip brake (8-2) are completely identical and adopt a dual control channel form.

3. The distributed slat control system according to claim 2, characterized in that: The slat power driver (4) adopts a dual-motor main-main drive mode, any one of the motors can be an electric motor or a hydraulic motor, and after any one of the motors fails, the output torque of the slat power driver (4) remains unchanged but the speed is halved.

4. The distributed slat control system according to claim 3, characterized in that: The position loop control of all slats is realized by the first flap slat controller (2-1) and the second flap slat controller (2-2), and the first motor controller (3-1), the first motor drive controller (5-1) and the second motor drive controller (5-2) only realize the speed loop and torque loop control.

5. A distributed slat control method, characterized in that: The method is performed by means of a distributed slat control system according to any one of claims 1 to 4, and the method comprises: Normal mode control: When the pilot manipulates the flap and slat control handle (1), the flap and slat control handle (1) sends the pilot manipulation instruction to the first flap and slat controller (2-1) and the second flap and slat controller (2-2) in the form of electrical signals; the first flap and slat controller (2-1) generates a slat position control instruction according to the gear information of the flap and slat control handle (1), the electrical channel 1 information of the left slat position sensor (7-1), the electrical channel 1 information of the right slat position sensor (7-2), the system state and the flight parameters; the second flap and slat controller (2-1) generates a slat position control instruction according to the gear information of the flap and slat control handle (1), the electrical channel 2 information of the left slat position sensor (7-1), the electrical channel 2 information of the right slat position sensor (7-2), the system state and the flight parameters; The first flap and slat controller (2-1) sends the generated slat position control instruction to the first motor controller (3-1), the first motor drive controller (5-1) and the second motor drive controller (5-2) through the system bus; the first motor controller (3-1) controls the motor 1 on the slat power drive (4) according to the slat position control instruction sent by the first flap and slat controller (2-1), thereby providing the slat power drive (4) with the required rotation speed and torque; The second flap and slat controller (2-2) sends the generated slat position control instruction to the second motor controller (3-2) through the system internal bus; the second motor controller (3-2) controls the motor 2 on the slat power driver (4) according to the slat position control instruction sent by the second flap and slat controller (2-2), thereby providing the slat power driver (4) with the required rotation speed and torque; The slat power driver (4) has a speed integration function, which first accumulates the speeds of the motor 1 and the motor 2, and then transmits the speeds to the rotary actuators (9) of the slats on both sides through the torque tube assemblies (10) on both sides, thereby driving all the inner slats to be retracted or unfolded at the same time; The first motor drive controller (5-1) controls the left slat power drive device (6-1) according to the slat position control instruction issued by the first flap slat controller (2-1), and the left slat power drive device (6-1) transmits the output torque to the left outermost slat rotary actuator (9) through the torque tube assembly (10), and the left outermost slat rotary actuator (9) drives the left outermost slat to be folded or unfolded through the gear rack mechanism; The second motor drive controller (5-2) controls the right slat power drive device (6-2) according to the slat position control instruction issued by the first flap slat controller (2-1); the right slat power drive device (6-2) transmits the output torque to the right outermost slat rotary actuator (9) through the torque tube assembly (10); the right outermost slat rotary actuator (9) drives the right outermost slat to be folded or unfolded through the gear rack mechanism; The electrical channel 1 and the electrical channel 2 of the left slat position sensor (7-1) respectively feed back the position of the left inner slat to the first flap slat controller (2-1) and the second flap slat controller (2-2) in real time, and the electrical channel 1 and the electrical channel 2 of the right slat position sensor (7-2) respectively feed back the position of the right inner slat to the first flap slat controller (2-1) and the second flap slat controller (2-2) in real time; When the first flap slat controller (2-1) determines that the left and right inner slats have moved to the target position, it will simultaneously send a braking command to the control channel 1 of the left slat wing tip brake (8-1) and the right slat wing tip brake (8-2); when the second flap slat controller (2-2) determines that the left and right inner slats have moved to the target position, it will simultaneously send a braking command to the control channel 2 of the left slat wing tip brake (8-1) and the right slat wing tip brake (8-2); the left slat wing tip brake (8-1) will fully brake only when it receives the braking commands from both the first flap slat controller (2-1) and the second flap slat controller (2-2); the right slat wing tip brake (8-2) will fully brake only when it receives the braking commands from both the first flap slat controller (2-1) and the second flap slat controller (2-2); The position sensor on the left slat power drive device (6-1) feeds back the actual position of the left outermost slat to the first flap slat controller (2-1) in real time; when the first flap slat controller (2-1) determines that the left outermost slat has moved to the target position, the first flap slat controller (2-1) sends a braking command to the first motor drive controller (5-1); upon receiving the braking command, the first motor drive controller (5-1) immediately disconnects the input power of the left slat power drive device (6-1) to brake the left slat power drive device (6-1); The position sensor on the right slat power drive device (6-2) feeds back the actual position of the right outermost slat to the first flap slat controller (2-1) in real time. When the first flap slat controller (2-1) determines that the right outermost slat has moved to the target position, the first flap slat controller (2-1) sends a braking command to the second motor drive controller (5-2). After receiving the braking command, the second motor drive controller (5-2) immediately disconnects the input power of the right slat power drive device (6-2) to brake the right slat power drive device (6-2).

6. The method according to claim 5, characterized in that Also includes: Failure mode control: The first flap and slat controller (2-1) and the second flap and slat controller (2-2) monitor the state of the distributed slat control system in real time. The first flap slat controller (2-1), the first motor controller (3-1) and the motor 1 on the slat power drive device (4) constitute a first control drive channel for the inner slat. When the first motor controller (3-1) or the motor 1 on the slat power drive device (4) fails, the distributed slat control system enters a degraded mode, and the movement speed of the inner slat is halved; at the same time, the first flap slat controller (2-1) will also control the first motor drive controller (5-1) and the second motor drive controller (5-2) to reduce the speed of the corresponding left slat power drive device (6-1) and right slat power drive device (6-2) by half, ensuring that the movement speed of the left outermost slat and the right outermost slat is synchronized with the movement speed of the inner slat; When the first flap slat controller (2-1) fails, the distributed slat control system enters a degraded mode, at which time the movement speed of the inner slat is halved, and the outermost slat on the left and the outermost slat on the right are braked and maintained at the current position; The second flap and slat controller (2-2), the second motor controller (3-2) and the motor 2 on the slat power drive device (4) constitute a second control drive channel for the inner slat. When the second flap and slat controller (2-2), the second motor controller (3-2) or the motor 2 on the slat power drive device (4) fails, the distributed slat control system enters a degradation mode and the movement speed of the inner slat is halved; at the same time, the first flap and slat controller (2-1) will also control the first motor drive controller (5-1) and the second motor drive controller (5-2) to reduce the speed of the corresponding left slat power drive device (6-1) and the right slat power drive device (6-2) by half, ensuring that the movement speed of the left outermost slat and the right outermost slat is synchronized with the movement speed of the inner slat; When the first flap slat controller (2-1) determines that an asymmetric fault occurs in the distributed slat control system by comparing the difference between the electrical channel 1 of the left slat position sensor (7-1) and the electrical channel 1 of the right slat position sensor (7-2), the first flap slat controller (2-1) will issue a braking command to the distributed slat control system to brake all slats; when the second flap slat controller (2-2) determines that an asymmetric fault occurs in the system by comparing the difference between the electrical channel 2 of the left slat position sensor (7-1) and the electrical channel 2 of the right slat position sensor (7-2), the second flap slat controller (2-2) will issue a braking command to the distributed slat control system to brake all slats; When the first flap slat controller (2-1) determines that a tilt failure occurs in the distributed slat control system by comparing the difference between the electrical channels 1 of two slat tilt sensors (11) on the same wing surface, the first flap slat controller (2-1) will issue a braking command to the distributed slat control system to brake all slats; when the second flap slat controller (2-2) determines that a tilt failure occurs in the distributed slat control system by comparing the difference between the electrical channels 2 of two slat tilt sensors (11) on the same wing surface, the second flap slat controller (2-2) will issue a braking command to the distributed slat control system to brake all slats; When the first flap slat controller (2-1) determines that a non-command motion failure occurs in the system through feedback information from the electrical channel 1 of the left slat position sensor (7-1) and the electrical channel 1 of the right slat position sensor (7-2), the first flap slat controller (2-1) will issue a braking command to the distributed slat control system to brake all slats; when the second flap slat controller (2-2) determines that a non-command motion failure occurs in the system through feedback information from the electrical channel 2 of the left slat position sensor (7-1) and the electrical channel 2 of the right slat position sensor (7-2), the second flap slat controller (2-2) will issue a braking command to the distributed slat control system to brake all slats; When the first flap slat controller (2-1) or the second flap slat controller (2-2) determines that an asymmetric fault, a tilt fault, or a non-command motion fault occurs in the distributed slat control system, the asymmetric fault, the tilt fault, or the non-command motion fault information is sent to another flap slat controller, and when the flap slat controller receives the asymmetric fault, the tilt fault, or the non-command motion fault information sent by the other party, a braking command is sent to the brake controlled by itself; When the first flap slat controller (2-1) determines that the left outermost slat or the right outermost slat has failed, the first flap slat controller (2-1) will simultaneously disconnect the control instructions of the left slat power drive device (6-1) and the right slat power drive device (6-2), so that the left outermost slat or the right outermost slat is braked; at this time, the first flap slat controller (2-1) and the second flap slat controller (2-2) control all inner slats to be retracted or unfolded according to the normal mode control logic; When the first flap and slat controller (2-1) determines that an asymmetric fault, a tilting fault, or a non-command motion fault occurs on the left outermost slat or the right outermost slat, the first flap and slat controller (2-1) will issue a braking command to the distributed slat control system to brake all the slats; the first flap and slat controller (2-1) simultaneously sends the asymmetric fault, the tilting fault, or the non-command motion fault information on the left outermost slat or the right outermost slat to the second flap and slat controller (2-2), and after receiving the fault information, the second flap and slat controller (2-2) will immediately issue a braking command to the distributed slat control system to brake the slats.

7. The method according to claim 6, characterized in that Also includes: Synchronization control of distributed slat control system: When the first flap slat controller (2-1) generates a slat position control instruction, the first flap slat controller (2-1) simultaneously sends the slat position control instruction to the first motor controller (3-1), the first motor drive controller (5-1) and the second motor drive controller (5-2), thereby ensuring that the movement of the inner slat, the left outermost slat and the right outermost slat is synchronous movement; In addition, the first flap controller (2-1) and the second flap controller (2-2) need to be synchronized when initially powered on to ensure that the instruction frame periods of the first flap controller (2-1) and the second flap controller (2-2) remain consistent.

8. A distributed slat control system, characterized in that: include: A flap and slat control handle (1), two flap and slat controllers (2), two motor controllers (3), a slat power driver (4), two outer slat power drive devices, two slat position sensors (7), two slat wing tip brakes (8), a plurality of rotary actuators (9), a plurality of torque tube assemblies (10), a plurality of slat tilt sensors (11) and a plurality of slat wing surfaces (12), wherein: The two output shafts of the slat power driver (4) are respectively connected to the rotary actuators (9) of adjacent slat surfaces (12) through a torque tube assembly (10); the two rotary actuators (9) of each slat surface (12) are connected to the slat surface (12) through a gear rack; the rotary actuators (9) of each slat surface (12) except the outermost slat surface (12) are sequentially connected in series through the torque tube assembly (10); A left slat wing tip brake (8-1) and a right slat wing tip brake (8-2) are respectively arranged on a torque tube assembly (10) between two rotary actuators (9) of two second outer slat wing surfaces (12); A left slat position sensor (7-1) and a right slat position sensor (7-2) are respectively arranged at the ends of the torque tube assemblies (10) of the two second outer slat wing surfaces (12); The left outer slat power drive device includes: a first electromechanical actuator and a second electromechanical actuator, and the two electromechanical actuators are respectively connected to the left outer slat through a gear rack; The right outer slat power drive device includes: a third electromechanical actuator and a fourth electromechanical actuator, and the two electromechanical actuators are respectively connected to the right outer slat through a gear rack; The first motor driver and the second motor driver are connected to the first flap controller (2-1) via a bus; The third motor driver and the fourth motor driver are connected to the second flap and slat controller (2-2) via a bus; The flap and slat control handle (1) is physically connected to the first flap and slat controller (2-1) and the second flap and slat controller (2-2) respectively through hard wires; The first flap controller (2-1) is physically connected to the first motor controller (3-1) via an internal bus; The first flap slat controller (2-1) is physically connected to the left slat position sensor (7-1) through a hard wire, is physically connected to the right slat position sensor (7-2) through a hard wire, is physically connected to the left slat wing tip brake (8-1) through a hard wire, is physically connected to the right slat wing tip brake (8-2) through a hard wire, and is physically connected to the slat tilt sensor (11) through a hard wire; The second flap controller (2-2) is physically connected to the second motor controller (3-2) via an internal bus; The second flap slat controller (2-2) is physically connected to the left slat position sensor (7-1) through a hard wire, is physically connected to the right slat position sensor (7-2) through a hard wire, is physically connected to the left slat wing tip brake (8-1) through a hard wire, is physically connected to the right slat wing tip brake (8-2) through a hard wire, and is physically connected to the slat tilt sensor (11) through a hard wire; The first motor controller (3-1) is physically connected to the slat power driver (4) via a hard line; The second motor controller (3-2) is physically connected to the slat power driver (4) via a hard line; The first flap and slat controller (2-1) and the second flap and slat controller (2-2) are physically connected via an internal bus.

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