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CN-116863784-B - Multi-freedom flight simulation control system for flight auxiliary training

CN116863784BCN 116863784 BCN116863784 BCN 116863784BCN-116863784-B

Abstract

The invention belongs to the technical field of simulator platforms, and particularly relates to a multi-freedom flight simulation control system for flight auxiliary training. The fixed platform comprises a base, a top cover and a reinforcing piece. The movable platform is located between the base and the top cover and used for simulating flying movement and comprises a motor, a rotating table and a simulation table. The motor is used for driving the rotating table to rotate in the plane direction, and a plurality of pulley supporting pieces are arranged at the lower end of the top cover and are in sliding clamping with the annular groove in the peripheral direction of the rotating table. The movable platform is internally provided with a suspension system, and the pitching and rolling actions of the simulation platform are controlled by driving the lifting of the cables and the lifting cooperation among the cables. Meanwhile, the gesture of the simulation platform and the expansion and contraction amount of the cable can be fed back through the cooperation of the first sensor and the second sensor to accurately correct and correct.

Inventors

  • WU GUILIN
  • LIANG MENGLIN
  • Wu Chuankang
  • Ji tianyi

Assignees

  • 江苏普旭科技股份有限公司

Dates

Publication Date
20260505
Application Date
20230802

Claims (8)

  1. 1. The multi-freedom flight simulation control system for flight auxiliary training is characterized by comprising a fixed platform, a supporting platform, a movable platform and a control system; the fixed platform comprises a base (4) and a top cover (5), wherein a plurality of reinforcement pieces (6) in an outward-expanding arch shape are arranged between the base (4) and the top cover (5); the support platform comprises a plurality of support columns (7) arranged on a base (4); the movable platform is arranged between the base (4) and the top cover (5) and used for simulating flying movement, and comprises a motor (8), a rotating table (9) and a simulation table (10): -said simulation station (10) being located above said support column (7) and being supportable by it, the simulation station (10) being provided with a cockpit (12) for simulating flight maneuvers; -the motor (8) is arranged at the upper end of the top cover (5), the rotating table (9) is arranged at the lower end of the top cover (5), and an output shaft of the motor (8) penetrates through the top cover (5) and is connected with the rotating table (9) for driving the rotating table (9) to rotate in the plane direction; -the lower end of the top cover (5) is provided with a plurality of pulley supporting pieces (13), and the side wall of the rotating table (9) along the peripheral direction thereof is provided with an annular groove (14) which is in sliding engagement with the pulleys of the pulley supporting pieces (13); The system comprises a rotating table (9) of a movable platform (3), a suspension system (11) is arranged in the rotating table (9), the suspension system (11) is provided with a plurality of cables (23) of which the lower ends are fixed with a simulation table (10) and the upper ends are connected to a hydraulic assembly on the rotating table (9), the suspension system (11) is arranged to drive the cables (23) to lift through the expansion and contraction of the hydraulic assembly (20) and realize the control of pitching and rolling actions of the simulation table (10) through the lifting and the coordination among the cables (23); A control system arranged to control the operation of the motor (8), hydraulic assembly (20) to effect planar rotation, pitch and roll motion control of the simulation platform (10); wherein, a self-adaptive buffer is arranged above each support column (7) and is used for buffering the impact between the simulation platform (10) and the support column (7) supporting the simulation platform; The self-adaptive buffer piece is a spring (15) arranged in a groove of the support column (7), rubber sleeves are sleeved outside and inside the spring (15), and a clamping ball (16) is fixedly connected to the top of the spring; The bottom edge of the simulation platform (10) in the circumferential direction is provided with an annular clamping groove (17), and the clamping balls (16) are clamped with the annular clamping groove (17) and are connected with each other in a sliding mode.
  2. 2. A multiple free flight simulation control system for flight aid training according to claim 1, wherein a plurality of the support columns (7) are uniformly arranged on an upper end surface of the base (4) for supporting the simulation table (10) from the bottom.
  3. 3. A multiple free flight simulation control system for flight aid training according to claim 1, characterized in that the upper end surface of the support column (7) is provided with a first sensor (18) for detecting the distance between the simulation table (10) and the support column (7), in signal connection with the control system.
  4. 4. A multiple freedom flight simulation control system for flight aid training according to claim 1, characterized in that the swivel stage (9) comprises an annular body (9A) which can be driven in rotation and a lower cavity defined by the annular body (9A), within which cavity a disc-shaped pitch/roll console (9B) is provided, integral with the annular body (9A).
  5. 5. A multiple freedom flight simulation control system for flight assistance training according to claim 4, characterized in that the suspension system (11) comprises: A fixed block (19) arranged at the center of the pitching/rolling operation table (9B), wherein the annular body (9A) is integrally connected with the pitching/rolling operation table (9B) through the fixed block (19); a plurality of groups of uniformly distributed hydraulic assemblies (20) fixed on the fixed block (19) and extending radially; a retainer ring (21) provided in the radially extending direction at the edge position of the pitch/roll console (9B); Each limiting ring (21) is provided with a perforation, each group of hydraulic assemblies (20) is provided with a movable block (22) for fixing a cable (23), and the cable (23) configured by each movable block (22) is fixedly connected with the edge of the simulation platform (10) below after penetrating through the perforation of the corresponding limiting ring (21) in the radial extending direction.
  6. 6. A multiple freedom flight simulation control system for flight aid training according to claim 5, wherein a corresponding guide chute (24) is arranged on the pitching/rolling operation table (9B) in a direction extending in a radial direction corresponding to each movable block (22), and each movable block (22) is engaged with the corresponding guide chute (24) and is limited and guided by the guide chute (24).
  7. 7. A multiple free-flight simulation control system for flight aid training according to claim 5, wherein the hydraulic assemblies (20) are distributed correspondingly to the radial direction of the upper surface of the pitch/roll console (9B) and are arranged at 45 degree intervals respectively with respect to each other; each two hydraulic assemblies (20) which are arranged at 90-degree angles and cables (23) which are arranged correspondingly are used as main control assemblies, and the hydraulic assemblies (20) between the two hydraulic assemblies (20) which are arranged at 90-degree angles and cables (23) which are arranged correspondingly are used as auxiliary control assemblies.
  8. 8. Multi-freedom flight simulation control system for flight assistance training according to any one of claims 5-7, characterized in that each stop collar (21) is internally provided with a second sensor (26) for monitoring the telescopic length of the cable (23) corresponding to the direction of radial extension, respectively.

Description

Multi-freedom flight simulation control system for flight auxiliary training Technical Field The invention belongs to the technical field of simulator platforms, and particularly relates to a multi-freedom flight simulation control system and method for flight auxiliary training. Background Flight simulation training is a flight auxiliary training means used for training pilots, usually adopts a semi-physical simulation or non-physical simulation mode, can perform driving simulation training by entering an airplane unrealistically, is familiar with the operation of the airplane and the aircraft, and is suitable for various flight scenes and environments. Meanwhile, the data obtained by flight simulation training are also used for carrying out flight control and development and simulation of flight equipment. Traditional simulation flight training relies on a multi-degree-of-freedom motion platform, such as an electric drive, an electrohydraulic hybrid drive, a hydraulic drive and other motion platforms, and the simulation flight training platform generally has forward-backward, leftward-rightward, upward-downward multi-directional motion, realizes control and switching of multiple postures such as pitching, traversing, swinging and the like, is generally realized by adopting a mode of pushing the platform in a multi-hydraulic component linkage way, is particularly realized based on a cross-linking redundancy design, has great design difficulty, and cannot generally perform too complex actions. Meanwhile, the transverse movement of the platform is limited by the size of a driving piece (such as a hydraulic cylinder) between the upper platform and the lower platform, steering action cannot be realized, and the action control and the switching of the platform are mainly regulated by the hydraulic cylinder which is actively driven, so that the switching and the connection time of the action are long. Disclosure of Invention The invention aims to solve the problems, and provides a multi-freedom flight simulation control system for flight auxiliary training, which is more flexible and rapid in action connection during flight simulation, and a control method thereof. In order to achieve the above object, a first aspect of the present invention provides a multi-free flight simulation control system for flight assistance training, which includes a fixed platform, a supporting platform, a movable platform and a control system; the fixed platform comprises a base and a top cover, and a plurality of reinforcement pieces in an outward-expanding arch shape are arranged between the base and the top cover; The support platform comprises a plurality of support columns arranged on a base; the movable platform is arranged between the base and the top cover and used for simulating flying movement, and comprises a motor, a rotating table and a simulation table: -said simulation platform being located above said support column and being supportable by it, the simulation platform being provided with a cockpit for simulating flight maneuvers; the motor is arranged at the upper end of the top cover, the rotating table is arranged at the lower end of the top cover, and an output shaft of the motor penetrates through the top cover and is connected with the rotating table for driving the rotating table to rotate in the plane direction; the lower end of the top cover is provided with a plurality of pulley supporting pieces, the side wall of the rotating table along the peripheral direction of the rotating table is provided with an annular groove which is in sliding engagement with the pulleys of the pulley supporting pieces; The system comprises a movable platform, a simulation platform, a rotating platform, a plurality of cables, a hydraulic assembly, a suspension system and a control system, wherein the suspension system is arranged in the rotating platform of the movable platform and is provided with a plurality of cables, the lower ends of the cables are fixed with the simulation platform, the upper ends of the cables are connected to the hydraulic assembly on the rotating platform, the suspension system is arranged to drive the cables to lift through the expansion and the contraction of the hydraulic assembly, and the lifting and the matching among the cables are used for controlling the pitching and the rolling actions of the simulation platform; and the control system is used for controlling the operation of the motor and the hydraulic assembly so as to realize the plane rotation, pitching and rolling motion control of the simulation platform. As an alternative embodiment, a plurality of support columns are uniformly arranged on the upper end surface of the base for supporting the simulation platform from the bottom. As an alternative embodiment, an adaptive buffer is provided above each support column for buffering the impact between the simulation platform and the support column supporting it. As an optional implementation mod