68 results about "Motion simulator" patented technology

The invention discloses an unmanned aerial vehicle automatic test method, which comprises the steps of building a high-fidelity semi-physical simulation platform which comprises an unmanned aerial vehicle motion simulator, a three-dimensional environment simulator, a flight control module and a ground control station, and loading a complete machine fault model and a dynamic environment model; designing an intelligent multi-fault injection scheme, and defining a single fault scene, a combined fault scene and a fault evolution scheme; configuring a dynamic environment simulation scene including static environment parameters, dynamic environment elements and environment, and a fault interaction scene; executing a self-adaptive test process, automatically generating a test case, intelligently scheduling a test sequence and dynamically adjusting test parameters; and performing multi-source data intelligent analysis and evaluation, collecting test data, performing fusion analysis on fault influence, and generating an evaluation report. By constructing a whole machine fault and dynamic environment model, the scene authenticity is improved by 40%, and for example, the motor fault yaw deviation under strong wind is closer to a real machine compared with a traditional method.

The invention discloses a method, a system, equipment and a medium for constructing an integrated digital model of a full-motion analog machine, and belongs to the field of analog machines. The method is suitable for constructing the digital model based on the unstructured heterogeneous data, and obtains the structured text information set from the document through the named entity recognition and relation extraction technology by obtaining the three-dimensional geometric model and the unstructured technical document of the full-motion simulator. And a three-dimensional model is combined to jointly construct a heterogeneous knowledge graph containing two types of nodes representing technical entities and three-dimensional parts. And link prediction is performed on the graph by using a graph neural network, so that a target edge representing deep implicit association between the text information and the three-dimensional part can be inferred. The target edges are updated to the atlas, and all complete technical information associated with the parts is bound to the corresponding three-dimensional geometric model, so that an all-moving simulator integrated digital model with complete information is generated, and the digital model construction efficiency and the model information association degree can be improved.

The invention discloses a vocal cord problem recognition and feedback system for the ophthalmology and otorhinolaryngology department. The vocal cord problem recognition and feedback system comprises a sound collection module, an image collection module, a biological feedback module, a data processing module, an AI diagnosis module and a rehabilitation guidance module. The sound acquisition module comprises a microphone array and a self-adaptive noise reduction unit; the image acquisition module is provided with an endoscope camera and an image enhancement processor; the biological feedback module integrates a laryngeal myoelectricity sensor and a three-dimensional motion simulator; the data processing module executes multi-modal feature extraction and fusion; through mutual cooperation of the sound acquisition module, the image acquisition module, the biological feedback module and the data processing module, data can be accurately acquired, the early canceration detection rate is improved and the misdiagnosis rate is reduced through multi-modal fusion, the data acquired by the multi-modal structure is analyzed through the data processing module, the model is combined with a weekly updated disease map, and the early canceration detection rate is improved. And the recurrence prediction accuracy is improved.

Sport simulation system. The present disclosure includes disclosure of a sport simulation system, including a box truck comprising a box, a driver-side fold-out configured to extend laterally from the box on a first side, and a passenger-side fold-out configured to extend laterally from the box on a second side opposite the first side, wherein an interior of the box is configured as a sport simulator with a projection screen.

A motion simulator system is disclosed that includes a freely rotatable movable frame supported by, but unattached to, a hemispherical base. The movable frame comprises a spherical enclosure constructed from rigid, lightweight materials such as composite materials or interlocking panels, providing unlimited 360-degree rotation in all three rotational degrees of freedom (pitch, roll, and yaw). An internal actuator system coupled to the movable frame controls attitude positioning while the center of rotation remains substantially fixed relative to the base. Low friction engagement between the movable frame and base is achieved through transfer bearings integrated into the base's outer surface or by pressure-vented air cushions. The system enables smooth, continuous rotation of the untethered movable frame for enhanced motion simulation applications.

The invention relates to the technical field of dynamic decision making and real-time interaction, provides a full-motion simulator TCAS simulation method and system based on dynamic decision making and real-time interaction, and solves the problem of low accuracy of flight conflict dynamic prediction and avoidance decision making. The method comprises the following steps: acquiring position coordinates, movement speeds and direction angles of a plurality of flight targets in a three-dimensional airspace; discretizing the three-dimensional airspace into dynamically updated grid units based on the position coordinates, and calculating the risk potential energy value of each grid unit according to the movement speed and the direction angle; in the simulation process, according to the risk potential energy value, dynamically predicting a conflict occurrence probability value in a future set time period through a Monte Carlo algorithm, and generating an avoidance instruction set; after simulation is finished, according to the avoiding instruction set, a conflict report is generated in the real-time interaction display interface, and the conflict report comprises the number of conflicts, the avoiding success rate and the pilot response time. According to the invention, the accuracy of flight conflict dynamic prediction and avoidance decision in a high-density airspace is improved.

The present invention belongs to the field of data processing technology and relates to a QAR data preprocessing method and system based on simulator backdrive. The method aims to address the problems of poor data quality, insufficient parameter coverage, and weak dynamic adaptability encountered in traditional methods. The method comprises: collecting raw QAR data, calculating initial credibility, and screening key parameters; utilizing key parameters to backdrive a full-motion simulator, combining deep reinforcement learning to optimize a PID controller and Monte Carlo simulation to obtain response data; constructing numerical, temporal, and physical three-dimensional difference features based on the raw QAR data and response data, and determining rationality through Gaussian mixture modeling and Bayesian decision making; fusing data based on rational functions and information entropy dynamic weights, optimizing iterative parameters with multiple objectives, and outputting verified high-precision QAR data that meets aviation standards. The present invention obtains full calibration data through a QAR key parameter backdrive simulator, enabling multi-dimensional and precise identification of data anomalies.

The invention belongs to the technical field of data processing, relates to a QAR data preprocessing method and system based on analog machine reverse drive, and aims at solving the problems that a traditional method is poor in data quality, insufficient in parameter coverage and weak in dynamic adaptability. The method comprises the steps of collecting original QAR data, calculating initial credibility and screening key parameters; the key parameters are used for reversely driving the full-motion simulator, and response data are obtained by combining a deep reinforcement learning optimization PID controller and Monte Carlo simulation; on the basis of original QAR data and response data, numerical value, time sequence and physical three-dimensional difference characteristics are constructed, and reasonability is judged by means of Gaussian mixture modeling and Bayesian decision; and based on the rational function and information entropy dynamic weight fusion data and multi-objective optimization iteration parameters, high-precision QAR data conforming to the aviation standard is output through verification. According to the invention, full-amount calibration data is obtained through the QAR key parameter reverse drive simulator, and multi-dimensional accurate identification of data exception is realized.

The invention belongs to the field of flight simulators, particularly relates to a data acquisition and diagnosis method and equipment of a full-motion simulator and a storage medium, and aims to solve the problem that in the prior art, an effective means is lacked in the aspects of data acquisition and fault processing. The method comprises the following steps: acquiring node information of each data node; determining a weight value of each data node according to the node information, and performing data acquisition on each data node according to the weight value to obtain target data; inputting the target data into a pre-trained neural network for prediction to obtain a prediction result; and determining a fault node in the plurality of data nodes according to the prediction result, performing fault diagnosis on the fault node by using a preset knowledge base, and determining a fault diagnosis strategy corresponding to the fault node. Based on the method provided by the invention, in combination with weight calculation and neural network prediction, differentiated data acquisition and active diagnosis of fault nodes are realized.

A highly dynamic motion simulator comprised of an occupant platform 22 which is supported and articulated between two vertically oriented multi-axis translation mechanisms 21 and 23. The five degrees of freedom embodiment produces motion with five degrees of freedom (FIG. 1). The six degrees of freedom embodiment adds a longitudinal translation assembly which produces motion with six degrees of freedom (FIG. 2). This design minimizes inertial mass providing high dynamic performance.

To provide a lure with good bite by causing the lure to imitate swimming behavior of a shrimp.SOLUTION: A lure includes a shrimp leg motion simulator 3, with it freely rotating in a recessed groove 14 provided in a lure body 2. Leg simulating bodies 15 of the shrimp leg motion simulator 3 catch a flow of water when the lure moves forward, and moves from a front to a rear of a trunk 6 of the lure, with their exposed from a lower position of a lower abdomen 7, so as to simulate and display swimming motion of shrimp abdominal limbs.SELECTED DRAWING: Figure 1

The invention relates to the technical field of environment control and multi-system cooperative linkage of flight simulation training equipment, provides a full-motion simulator environment intelligent joint control method, system and equipment and a storage medium, and solves the problems of low intelligent level and poor emergency response efficiency of multi-system cooperative control. The method comprises the following steps: acquiring operation data and basic environment parameters of each subsystem in an environment joint control system in real time through a multi-dimensional environment sensing network, carrying out fusion and state analysis, and identifying security abnormity, smoke simulation triggering or subsystem faults; when the abnormal signal is recognized, generating a corresponding linkage control instruction by using a logic control algorithm, and issuing the instruction to external systems such as a power supply, a gallery bridge, a movement system, a fire alarm system and the like and an IOS teacher platform through a cross-system joint control mechanism; the system receives an external feedback signal in real time, dynamically adjusts a cooperative control strategy, and constructs a closed-loop intelligent joint control system. According to the invention, the intelligent level and the emergency response efficiency of multi-system cooperative control are improved.

The present invention discloses a cross-physics-field model test device and test method for floating wind turbines, relating to the field of offshore wind power engineering technology. The device comprises a water tank test subsystem, a wind tunnel test subsystem, and a real-time interactive system. The water tank test subsystem comprises an aerodynamic load reproducer and a tower-floating body-mooring physical model; the wind tunnel test subsystem comprises a floating body motion simulator and a wind rotor-tower physical model; and the real-time interactive system is capable of controlling the motion of the aerodynamic load reproducer and the floating body motion simulator. The present invention simultaneously utilizes multifunctional wind tunnel and marine engineering water tank test conditions to reproduce the floating body motion characteristics and the aerodynamic characteristics of the wind turbine in real time. By dividing the floating wind turbine system into two test subsystems, the problem of the inability to simultaneously match the aerodynamic similarity criteria and the hydrodynamic similarity criteria in scaled model tests is avoided, thereby improving the accuracy and reliability of integrated floating wind turbine model tests.

The invention provides a rope-driven parallel mechanism configuration optimization method for adjusting the position of a tail end connection point, and the method comprises the steps: determining a plurality of rope-driven parallel mechanism configurations meeting constraint conditions based on the installation space needed by a target motion simulator, the shape and load of a tail end actuator, and the motion freedom degree and target motion range of the tail end actuator; respectively calculating a force closed working space of each configuration and screening out at least two to-be-selected configurations; respectively calculating a force helix feasible working space and an attitude rotation range of each to-be-selected configuration; respectively comparing the attitude rotation range of each to-be-selected configuration with the target motion range, and determining whether the to-be-selected configuration is a basic target configuration or not; on the basis of the selected basic target configuration, traversing and calculating a force spiral feasible working space when different connection positions on the rope and the end effector are fixed; and determining a rope connection point on the end effector according to the position and posture number distribution relationship between the connection position and the force spiral feasible working space. And the optimal configuration meeting the requirements is obtained.

The invention discloses a method, a system and equipment for troubleshooting a communication terminal of an all-moving simulator, and belongs to the technical field of aviation simulation equipment fault diagnosis. The method comprises the following steps: acquiring data of a communication terminal operation state, an input / output system state and a central control console environment state, synchronizing time, and constructing a time sequence feature vector through denoising normalization processing; inputting a Kalman filtering state space model to calculate an observation residual error, and distinguishing a fault source and interference characteristics; identifying a fault type by using an integrated decision tree classification model, positioning a target fault point in combination with a fault tree and a Bayesian network, and matching historical cases to generate a troubleshooting scheme; after troubleshooting is completed, the fault case library is updated, and the model is optimized. According to the scheme, intelligent and standardized troubleshooting of faults is achieved, the problems that a traditional method is low in efficiency and poor in accuracy, and fault sources are difficult to distinguish are solved, the troubleshooting efficiency and accuracy are greatly improved, the operation and maintenance cost is reduced, and stable operation of the full-motion simulator is guaranteed.

The invention relates to the field of computer technology application, and provides a QRH automatic indexing method and device for an all-moving simulator, and the method comprises the steps: determining whether fault information exists in current airborne bus data based on the obtained current airborne bus data, and if yes, determining whether the fault information exists in the current airborne bus data; based on the determined fault information and a preset fault code generation expression, generating a corresponding fault code as a current to-be-processed fault code; judging whether a fault code which is the same as the current to-be-processed fault code exists in a fault code mapping relation table or not, and if yes, taking a fault index value corresponding to the fault code which is the same as the current to-be-processed fault code as a fault index value of the current to-be-processed fault code; and based on the fault index value of the current to-be-processed fault code, automatically opening the QRH, positioning a page corresponding to the fault index value, and displaying the page. According to the invention, quick and accurate searching of the QRH can be realized.

The invention belongs to the field of machine life prediction, and particularly relates to a full-motion simulator projector life prediction method, system and device. The invention aims to solve the problems of neglect of early signals and static acquisition strategy in the prior art. The method comprises the following steps: starting a dark field mode and dividing regions to collect multi-dimensional operation parameters; calculating the brightness, the color change rate and the transmission delay deviation rate; dynamically adjusting an abnormal threshold value according to the equipment working duration, the historical fluctuation and the environmental stability; through multi-condition joint triggering judgment, the collection frequency of the key area is adjusted in a self-adaptive mode; and after extracting regional and global degradation characteristics, inputting the regional and global degradation characteristics into an LSTM neural network model with an attention mechanism to realize high-precision residual life prediction. The method effectively overcomes the defects that early aging signals are neglected and the collection strategy is static and rigid in the prior art, and remarkably improves the early fault recognition capability and prediction precision.

A linear actuator system may have an actuator assembly for moving an output in translation in a first direction. A transmission has a frame, a joining link(s) pivotally connected to the frame at a first location and operatively connected to the actuator assembly at a second location for receiving movement from the output. The joining link(s) contacting an interface at a third location to cause relative movement between the frame and the interface in a second direction differing from the first direction. A motion platform system is also provided.

A motion simulator may include a piece of sports equipment with indicia configured to at least partially identify the piece of sports equipment, a first sensor configured to automatically detect the indicia, a second sensor configured to detect a trajectory of a ball, and a display configured to display a motion simulation. The motion simulator may also receive an identification of the marker, identify features of the piece of sports equipment associated with the marker, receive a trajectory of the ball, generate simulated data indicative of a virtual ball with a virtual flight path in response to the trajectory, store the features of the piece of sports equipment associated with the virtual flight path of the virtual ball, and generate simulated data indicative of the virtual ball. And causing the display screen to display the virtual flight path of the virtual ball in the motion simulation.

A motion simulator system is disclosed that includes a freely rotatable movable frame supported by, but unattached to, a hemispherical base. The movable frame comprises a spherical enclosure constructed from rigid, lightweight materials such as composite materials or interlocking panels, providing unlimited 360-degree rotation in all three rotational degrees of freedom (pitch, roll, and yaw). An internal actuator system coupled to the movable frame controls attitude positioning while the center of rotation remains substantially fixed relative to the base. Low friction engagement between the movable frame and base is achieved through transfer bearings integrated into the base's outer surface or by pressure-vented air cushions. The system enables smooth, continuous rotation of the untethered movable frame for enhanced motion simulation applications.

The invention belongs to the technical field of parallel mechanisms, and provides a parallel mechanism capable of switching working modes for a motion simulator and a construction method thereof.The parallel mechanism comprises a movable platform, a fixed platform, a first UPU branch chain, a first RPU branch chain and a second RPU branch chain, the first UPU branch chain, the first RPU branch chain and the second RPU branch chain are arranged between the movable platform and the fixed platform, and the three branch chains are arranged at the corner edges of the fixed platform correspondingly; the mechanism is of a 2-RPU-UPU configuration, when the movable platform and the fixed platform are parallel, and the center points of the movable platform and the fixed platform are vertically collinear, a 2T1R mode and a 2R1T mode are switched, and the working modes are switched through four driving pair control mechanisms in the initial configuration. And the movable platform is driven to realize movement and mutual switching of a 2T1R mode and a 2R1T mode relative to the fixed platform so as to adapt to different working environments to switch the working modes, and the mechanism has the advantages of strong adaptability, high rigidity, strong bearing capacity, good dynamic performance and the like.

The present application discloses a method, system, device and medium for constructing an integrated digital model of a full-motion simulator, which belongs to the field of simulators. The present application is applicable to constructing digital models based on unstructured heterogeneous data, by obtaining the three-dimensional geometric model and unstructured technical documents of the full-motion simulator, obtaining a structured text information set from the document through named entity recognition and relationship extraction technology, and jointly constructing a heterogeneous knowledge graph containing two types of nodes representing technical entities and three-dimensional parts in combination with the three-dimensional model. The graph neural network is used to perform link prediction on the graph to infer the target edges representing the deep implicit association between the text information and the three-dimensional parts. These target edges are updated to the graph, and all the complete technical information associated with the parts is bound to the corresponding three-dimensional geometric model to generate an information-complete integrated digital model of the full-motion simulator, which can improve the efficiency of digital model construction and the correlation of model information.

A motion simulator including a first track, a second track, and a passenger cart having a compartment configured to receive a passenger and movable linearly along the first track. A counter cart is movable along the second track to counter to the passenger cart. The motion stimulator is lightweight, transportable and is self- supporting such that it is operational to spin the platform supporting the carts and move the carts linearly without being mounted to a supporting surface. Omni-directional wheels effect angular movement of the passenger compartment in multiple directions.

Method for operating a motion simulation system comprising receiving first data indicative of motion from a motion base 102 comprising a moveable platform 104, determining one or more first values bas

A motion simulator system is disclosed that includes a freely rotatable movable frame supported by, but unattached to, a hemispherical base. The movable frame comprises a spherical enclosure constructed from rigid, lightweight materials such as composite materials or interlocking panels, providing unlimited 360-degree rotation in all three rotational degrees of freedom (pitch, roll, and yaw). An internal actuator system coupled to the movable frame controls attitude positioning while the center of rotation remains substantially fixed relative to the base. Low friction engagement between the movable frame and base is achieved through transfer bearings integrated into the base's outer surface or by pressure-vented air cushions. The system enables smooth, continuous rotation of the untethered movable frame for enhanced motion simulation applications.

A motion simulator system is disclosed that includes a freely rotatable movable frame supported by, but unattached to, a hemispherical base. The movable frame comprises a spherical enclosure constructed from rigid, lightweight materials such as composite materials or interlocking panels, providing unlimited 360-degree rotation in all three rotational degrees of freedom (pitch, roll, and yaw). An internal actuator system coupled to the movable frame controls attitude positioning while the center of rotation remains substantially fixed relative to the base. Low friction engagement between the movable frame and base is achieved through transfer bearings integrated into the base's outer surface or by pressure-vented air cushions. The system enables smooth, continuous rotation of the untethered movable frame for enhanced motion simulation applications.

A four-branch three-degree-of-freedom parallel motion platform comprises a fixed platform, a movable platform, a first driving branch chain, a second driving branch chain, a third driving branch chain and a just constraint branch chain, the first driving branch chain, the second driving branch chain, the third driving branch chain and the just constraint branch chain are arranged between the fixed platform and the movable platform, and the first driving branch chain and the third driving branch chain have the same structural form and are connected through two connecting rods through cylindrical pairs, rotating pairs and universal hinges. The second driving branch chain is formed by connecting a cylindrical pair and two revolute pairs through two connecting rods, and the right constraint branch chain is formed by connecting a moving pair and the cylindrical pair through a connecting rod. The three driving branch chains respectively and independently control the movement of the movable platform, so that the movable platform can rotate in one direction and move in two directions, complete decoupling of three spatial degrees of freedom is realized, kinematics and dynamics modeling is easy, and the three-degree-of-freedom parallel mechanism has the characteristics of simple structure, easiness in control and the like; the rigidity, the bearing capacity and the stress condition of the mechanism can be obviously improved through the designed just-constrained branched chains, and the mechanism can be applied to the fields of various motion simulators, medical instruments, target tracking and the like.

1. Name of the product in this design: Motion Simulator (Immersive Cinema). 2. Purpose of this design: for virtual reality experience. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

A motion simulator 100 comprising a base 102 and a platform 104, the platform being arranged to move relative to the base with six degrees of freedom. The base comprises three wedge pairs 110a-c, each

The invention relates to the field of motion systems especially for simulating motion such as driving or flying. In particular, though not exclusively, the invention relates to motion generators, and to systems including such motion generators, and to methods of using motion generators and motion systems for example as vehicle simulators. One aspect of the invention relates to a primary motion generator (10, 82, 102) for use in a motion simulator for moving a primary payload (14) of 80 kg or more above a surface (12), the primary motion generator (10, 82, 102) being a parallel manipulator comprising: a primary frame or platform (11) for supporting the primary pay load of 80 kg or more (14), three elongate linear guides (21, 22, 23) arranged transversely to each other below the frame in a planar array, at least one actuator (31, 32, 33) arranged per linear guide (21, 22, 23) above the surface, and controllable to move the linear guides (21, 22, 23) whereby the primary payload of 80 kg or more is movable in at least three degrees of freedom.