250 results about "Guidance control" patented technology

An air guidance control unit having a frame, which surrounds at least one air opening for air flowing along an air flow direction to flow through, a closing device including adjustable flaps, which closing device can be adjusted by means of an adjusting element between an open position in which the air opening is exposed and a closed position in which the air opening is at least partly closed. The invention devises various solutions for especially compact and reliable flap arrangements.

An autonomous vehicle control system includes one or more sensors configured for coupling with an agricultural vehicle, the one or more sensors configured to determine kinematics of the agricultural vehicle relative to a crop row. The system includes a guidance control module configured to coordinate steering of one or more steering mechanisms of the agricultural vehicle. The guidance control module includes a sensor input configured to receive kinematics of the agricultural vehicle, a vehicle kinematics comparator configured to determine one or more error values using the received vehicle kinematics, a crop curvature generator configured to determine crop row curvature using the one or more error values, and a steering interface configured to provide instructions to a vehicle steering controller to guide the agricultural vehicle using the crop row curvature.

The invention relates to the field of advanced guidance control of aircrafts, and discloses a terminal angle and view field constraint three-dimensional guidance law and system for intercepting a maneuvering target, and the specific steps are as follows: firstly, designing a sight angle rate profile expected to be tracked, and then designing a terminal angle and view field constraint guidance law of preset time. The advanced preset time control technology and the novel sight angle rate forming technology are adopted for achieving aircraft guidance control, the guidance law with the terminal angle and view field constraint is designed, and the maneuvering target can be intercepted at the expected terminal angle.

The invention provides a traffic control guiding method, device and equipment based on vehicle track identification, and aims to accurately obtain a vehicle moving path and identify a travel purpose type by constructing a multi-source wireless signal positioning data fusion and track semantic annotation identification mechanism, and generate a standardized track with a semantic tag. Establishing a similar behavior pattern library by adopting a behavior similarity analysis and clustering division technology, accurately identifying traffic key control points, evaluating node importance, and determining a control key area; a personalized and mastered guide strategy coordination design and a double-layer guide rule set construction technology are introduced, individual demands and group benefits are balanced, and a coordinated path recommendation and guide control scheme is generated; combining an effect tracking monitoring and trajectory mutual influence analysis mechanism to construct a feedback adjustment mechanism to generate a trajectory optimization guide scheme; and finally, a self-adaptive comprehensive traffic control system is formed, and accurate guidance and intelligent management and control of urban traffic are realized.

The invention provides an aircraft guidance control method under constraint of passing points. The method comprises the following steps: step 1, discretizing a guidance control process; step 2, carrying out segmentation processing on the guidance process of the limited passing point; 3, solving a state transition control sequence between the passing points; 4, solving the passing speed of the passing point; and step 5, calculating an overall guidance process, dividing the whole guidance process into k relatively independent guidance processes according to the step 1 when the positions and the speed states of all the passing points are known, and performing guidance control between two adjacent passing points. According to the method, aircraft guidance control under guidance time and passing point constraints is realized, the coupling problem which is difficult to effectively solve in the prior art in the guidance problem is solved, a guidance relative motion track and guidance control cost can be accurately given, the control track is smooth, and the guidance control precision is high. The method is suitable for various guidance control processes based on model prediction and inversion, and an engineering implementation method can be provided for guidance control tasks of various scenes.

The invention discloses a method and system for cooperatively opening a door by a front door lock and a rear door lock, and the method comprises the following steps: front door linkage trigger processing: carrying out entrance record generation processing according to a complete behavior sequence detected by the front door lock to obtain a linkage trigger signal; back door safety decision processing: performing back door state detection and personnel identity multi-level verification processing according to a door opening request message received by a back door lock to obtain an unlocking decision result; reverse guide control processing: according to the doorbell event which is not responded by the front door lock, cross-door lock audio and video channel establishment processing is carried out, and a reverse unlocking instruction is obtained; schedule comparison guide processing: comparing visitor visiting schedule information when the front door lock rings, automatically unlocking and carrying out space guide; and dynamic addressing co-processing: according to the position information of the mobile terminal intercepted by the door lock in the multicast network, carrying out target rear door lock positioning processing to obtain a directional notification strategy. By utilizing the embodiment of the invention, the collaborative response efficiency and the user experience of the intelligent door lock can be improved.

A power equipment machine with operator selectable autonomous mode and manual mode is provided. By way of example, the power equipment device can provide user-assisted semi-autonomous steering along user-defined paths of a geographic area. Manual steering controls and autonomous guidance controls can be positioned on one or more movable armrests to enhance comfort and minimize operator fatigue. The manual steering controls can include a jog wheel and encoder mechanism located on a first armrest, eliminating conventional mechanical shaft and wheel steering devices and dual lap bar steering devices. Guidance and computer settings can be accessed through a touchscreen display mounted in front of an operator position on the power equipment device.

The invention provides a production wiring system, method and equipment with an intelligent guiding function and a medium. The system comprises an intelligent guiding control terminal, an LED guiding lamp strip and a proximity switch. Wherein the intelligent guide control terminal is used for controlling the LED guide lamp strip and indicating a wiring path and a wiring sequence; the proximity switch is used for detecting the wiring state and reporting the wiring state to the intelligent guide control terminal. According to the production wiring system in the embodiment of the invention, intelligent guidance and wiring standardization are realized during production wiring, the technical requirements on operators are reduced, and the consistency of finished products of production wiring is improved.

The invention relates to a robot advancing method and system based on an inertial sensor, and belongs to the technical field of robot autonomous navigation and inertial guidance control. The method comprises the following steps: acquiring advancing parameter data of a robot, and analyzing a track generation mode in the advancing process of the robot to obtain autonomous advancing track data; constructing a marching analysis model, inputting the robot marching parameter data into the marching analysis model to analyze inertial navigation information, and outputting a robot marching instruction; the stability of the posture state in the advancing process is verified, a robot advancing instruction is optimized through a path optimization protocol, and an instruction optimization set of an advancing path is generated; and constructing an offset compensation mechanism, selecting an instruction optimization parameter according to the advancing path when the advancing path is detected to deviate, re-inputting the instruction optimization parameter into the advancing analysis model, and re-matching a newly selected advancing path.

Air flow control insertable into an air opening for controlling air flowing along an air flow direction, with a closure device including a cloth or fabric adjustable between an opening position releasing the air opening and a closing position at least partially closing the air opening by means of an adjustment device for selectively releasing and closing the air opening to change the air resistance and / or for thermal management of a downstream unit in the air flow direction. Various solutions are proposed to integrate the air control system in or behind an air grille, especially in very limited installation space.

An autonomous vehicle control system includes one or more sensors configured for coupling with an agricultural vehicle, the one or more sensors configured to determine kinematics of the agricultural vehicle relative to a crop row. The system includes a guidance control module configured to coordinate steering of one or more steering mechanisms of the agricultural vehicle. The guidance control module includes a sensor input configured to receive kinematics of the agricultural vehicle, a vehicle kinematics comparator configured to determine one or more error values using the received vehicle kinematics, a crop curvature generator configured to determine crop row curvature using the one or more error values, and a steering interface configured to provide instructions to a vehicle steering controller to guide the agricultural vehicle using the crop row curvature.

The invention belongs to the technical field of wargame deduction, and discloses an emergency wargame deduction system capable of editing total elements. Comprising an operator editing subsystem, a decision table editing subsystem, a map editing subsystem, a chess editing subsystem, a scenario editing subsystem, a training organization subsystem, a deduction work subsystem, a guidance control subsystem, a deduction observation subsystem, a deduction replaying subsystem, a deduction engine subsystem and a system management subsystem. The system can meet the requirements of relevant professional operational scientific research activities on the sea. According to requirements, a deduction scenario is compiled, deduction conditions are set, and scientific research activities are carried out by selecting different weapons, combat deployment, combat actions, guarantee conditions, battlefield environments and the like and adopting a deduction-while-research or deduction playback mode. The war game system can be used as an explanation tool to provide an analysis and research environment, deduce and research are carried out on combat scenarios, classic combat examples and new combat styles and battlemen, and valuable reference data and experience are obtained.

The invention relates to a trajectory planning method based on improved sampling reinforcement learning. The method comprises the following steps: constructing a dynamic environment model; based on the dynamic environment model, defining a learning agent and a Markov decision process; performing algorithm parameter initialization based on the defined learning agent and a Markov decision process; based on the initialized algorithm, generating an original bulletproof trajectory through interaction between the intelligent agent and the environment; carrying out thinning processing on the original trajectory to generate a thinned trajectory; the thinning track is stored in an experience playback buffer pool, and strategy updating is carried out by using the thinning track; and based on the updated strategy, executing a defense penetration strike task. According to the method, the sampling precision and efficiency of deep reinforcement learning training in aerospace guidance control are effectively balanced, the strategy generalization ability and the training stability are improved, and a feasible scheme is provided for intelligent game strategy optimization in a complex dynamic scene; the method is especially suitable for engineering scenes with high requirements on real-time performance and reliability, such as missile penetration and target interception.

The invention discloses a traffic dispersion control method, system and device for a road construction area, and relates to the related field of traffic control, and the method comprises the steps: executing the traffic data collection of a target area, and building the traffic characteristics of the target area; construction data of a construction area are obtained, construction influence fitting is carried out, and a three-level interference path space structure is established; configuring a target traffic flow state, and executing data acquisition of a navigation account main body after any navigation reaches a construction area; performing navigation dispersion prediction by using the behavior prediction model; acquiring a real-time traffic flow state of the target area, establishing an arrival time node according to a navigation arrival result, and performing traffic flow time sequence fitting update based on the arrival data flow, the prediction result and the real-time traffic flow state; and establishing a deviation identification result according to the target traffic flow state and the traffic flow time sequence fitting result, and generating feedback excitation correction navigation dispersion. The technical problem that existing traffic dispersion control is poor in dispersion effect is solved, and the technical effect of improving traffic dispersion efficiency and accuracy is achieved.

The invention discloses a reinforcement learning rocket load shedding guidance law design method considering wind field time-varying characteristics, solves the problem that the existing rocket load shedding guidance law design cannot adapt to the deviation between an actual wind field and a forecast wind field, and belongs to the field of rocket load shedding guidance control. Comprising the following steps: generating high-resolution high-altitude wind hour-by-hour forecast data; constructing a rising stage guidance Markov decision process model; using high-resolution high-altitude wind hour-by-hour forecast data to simulate the uncertainty deviation between a forecast wind field and an actual wind field through a model; a rocket deloading guidance strategy is adopted to complete interaction sampling of a complete round of a rising stage guidance Markov decision process; calculating an updating gradient according to the sampling data, updating parameters of a rocket load shedding guidance strategy according to the updating gradient, optimizing the uncertainty deviation, and obtaining a rocket load shedding guidance law which enables the maximum atmospheric dynamic load expectation to be minimum in the whole process of the ascending section; according to the method, real-time correction of the rocket attitude instruction under the condition that the forecast wind field and the actual wind field have deviation is realized.

The application discloses a fixed-time convergence guidance control method with a landing angle constraint, and the method comprises the following steps: designing an approaching law based on a fixed-time convergence theory, obtaining a control instruction by using a sliding mode guidance law, and flying an aircraft according to the control instruction. The fixed-time convergence guidance control method with the landing angle constraint has a constant ratio of an upper limit of a convergence time of a system state to a whole guidance time, and the upper limit of the convergence time is irrelevant to an initial value of the system state, so that the problems of excessively long or excessively short convergence time and sensitivity to the initial value of the system state are effectively solved.

The present application discloses an information display method, method comprises: when a video display page is being displayed on the electronic device, and the video display page is used to display multiple candidate video data corresponding to the video display page, if the target video data in these candidate video data is being played on the video display page, then when it is determined that a preset guidance condition corresponding to the target video data is reached, a guidance control corresponding to the target video data and guidance prompt text corresponding to the guidance control are added on the video display page, so that after receiving a trigger operation for the guidance control, jumping directly from the video display page to the object aggregation page, so that it is possible to achieve the purpose of directly entering the object aggregation page from a piece of video data.

The invention discloses a spacecraft approaching rendezvous guidance method based on limited thrust, and belongs to the technical field of spacecraft guidance. The invention aims to solve the problem that fuel consumption and hardware cost cannot be taken into consideration at the same time in an existing spacecraft short-distance guide section autonomous approaching method. Comprising the steps of calculating a theoretical speed increment of a current task stage; in the execution process of the task stage, the state of the propeller is judged according to a preset period; if the propeller is in the propelling process, the remaining speed increment is calculated by combining the theoretical speed increment and the single-cycle speed increment of the propeller; determining that the propeller is in a non-propelling state until the current residual speed increment is smaller than a set threshold value; the theoretical speed increment is calculated again and compared with a track safety belt threshold value to judge whether the tracking spacecraft exceeds the safety belt range or not, and if yes, the task state is updated, and the propeller is controlled to conduct propelling so as to correct the transfer orbit until the task stage is finished. According to the invention, high-precision guidance control is realized.

The present application relates to the technical field of intelligent interaction, in particular to an interactive behavior guidance control method and system based on execution feedback data, the present application constructs a personalized baseline model containing spatial pressure distribution, fluctuation characteristics and action timing characteristics by collecting pressure distribution data of a user contact interface; on this basis, the spatial feature deviation degree and the time feature consistency of the current pressure distribution relative to the baseline model are calculated, the current state of the user is determined and the ergonomic constraint violation degree is evaluated; the feasible target point closest to the current state in the feasible region satisfying the constraint condition is searched, the corresponding guidance vector is generated, and the directional haptic guidance signal is output according to the user personalized parameters; at the same time, based on the execution feedback of the user to the guidance signal, the response characteristics of the user are modeled online and the response state of the user is inferred, and then the guidance parameters are adaptively adjusted, so as to realize accurate, comfortable and learning-capable interactive behavior guidance control.

The present invention discloses a method for optimizing an anti-saturation trajectory for Mars entry, which belongs to the field of aircraft guidance and control. The implementation method of the present invention is as follows: the roll angle obtained by tracking the drag acceleration curve is defined as the calculated roll angle; a three-level orthogonal table is used to select a combination of aerodynamic parameter disturbances, and then a sensitivity formula for the calculated roll angle to the disturbance combination is constructed, and the influence of aerodynamic parameter disturbances on the calculated roll angle is quantified by the sensitivity formula; in order to meet the terminal constraint requirements and anti-saturation capability requirements of the lander under aerodynamic disturbances, a terminal constraint optimization index and an anti-saturation optimization index based on the sensitivity formula are designed respectively, and the two optimization indicators of the altitude and range constraint index and the anti-saturation index are linearly weighted to obtain a comprehensive entry trajectory optimization index that improves the anti-saturation capability. The above comprehensive index is optimized using an optimization method to obtain an optimized roll angle-energy profile, and the anti-saturation entry trajectory is obtained after tracking the profile.

The invention provides a simulated training guidance control method and system based on artificial intelligence, and relates to the field of guidance, and the method comprises the steps: obtaining multi-source data and preset training scene state data, and carrying out the preprocessing of the multi-source data; identifying the preprocessed data through a pre-trained deep learning neural network model to obtain real-time initial training scene state data, and synchronizing the real-time initial training scene state data to perform data linkage to obtain real-time training scene state data; judging whether the real-time training scene state data conforms to preset training scene state data or not; and if not, updating preset training scene state data according to the real-time training scene state data, and predicting a battlefield situation according to the updated training scene state data to generate a new training action strategy to realize guidance control. According to the invention, the technical problems of poor flexibility, insufficient accuracy and low efficiency of simulation training guidance in the prior art are solved.

The invention relates to the technical field of rail transit trains, and provides a motor torque distribution method, device and equipment for independent rotating wheels of a train, and the method comprises the steps: obtaining a state-space equation taking an independent wheel set and carriage movement as a research object; determining constraint conditions of the torque optimization function based on the state-space equation; determining a torque optimization function according to the train parameters and the wheel parameters; determining a torque distribution instruction of each wheel motor by taking minimization of a torque optimization function as a target based on a constraint condition; and controlling the motor torque output of each independent rotating wheel according to the torque distribution instruction. According to the method, the problem that guiding control and creep control are difficult to cooperate is solved, and the train operation stability and the wheel rail adhesion utilization rate are improved.

This invention provides a parking guidance control method and system for electric vehicle charging stations, belonging to the field of parking guidance control technology. It achieves deep integration of parking and charging, unified resource scheduling, and connects the entire chain of perception, guidance, control, and billing through a central management platform. It abandons the isolated model of separate parking and charging, realizing collaborative management of parking spaces, charging piles, vehicles, and users, making resource scheduling more scientific and precise. Full-domain license plate recognition prevents misuse and abuse at the source. Dual protection through entrance recognition and secondary verification of parking spaces ensures that only compliant new energy vehicles are allowed to enter and use corresponding charging spaces. Problems such as fuel vehicles occupying spaces, unreserved occupancy, and incorrect charging are fundamentally solved, significantly improving the purity of charging resources.

The application discloses a tracking differential control guidance method applied to a high-dynamic aircraft, which is guided and controlled by a three-dimensional guidance model considering the dynamic characteristics of an autopilot, can optimize the "differential expansion" problem generated in a traditional backstepping control process, and compared with a dynamic surface guidance law applying a first-order low-pass filter to solve the problem, the guidance control method adopts a tracking differentiator to perform differential processing on a virtual control variable generated in a backstepping design process, so that the obtained result has higher precision, thereby generating higher control precision, and realizing the guidance control with higher precision.

The application provides a missile body and seeker installation error compensation method and system, comprising: obtaining a first angle value between a missile body and a target source by using a satellite navigation receiver and a strapdown inertial navigation system, the target source being at a preset distance from a launching frame on which the missile is placed and being within a field of view range of the seeker; obtaining an installation error angle value between the missile body and the seeker according to a rotation angle value of a frame of the seeker and the first angle value; and performing error compensation on an installation error of the missile body and the seeker according to the installation error angle value. Compared with the prior art, the first angle value between the missile body and the target source is obtained, the rotation angle value of the frame of the seeker is compared with the first angle value to obtain the installation error angle value, the installation error is reduced by software compensation according to the obtained installation error angle value, the precision of a line-of-sight angle measured by the seeker is effectively improved, and the precision of a missile guidance control system is improved.

The present application relates to a kind of water surface robot safety guidance control method based on dynamics constraint, comprising the following steps: S1, based on the construction of candidate control space of propulsion angle and rotating speed, generate multiple candidate control quantity combinations;S2, according to dynamics model, trajectory prediction is carried out to each candidate control quantity combination, and obtain feasible trajectory that satisfies dynamics constraint within preset prediction period;S3, collision risk assessment is carried out using closest approach point method, determine whether there is collision risk;S4, construct safety guidance control evaluation function, and select optimal control quantity combination from candidate control quantity combination by normalization weighted sum;S5, when there is collision risk, encounter situation is judged, and corresponding rule constraint is applied to candidate control quantity combination, and the final safety guidance control instruction is generated.The present application can quickly identify potential encounter threat in real-time scene, improve overall guidance control success rate and operation reliability.

This invention discloses an angle-constrained guidance and control method for an aircraft, comprising the following steps: establishing a guidance system based on the relative motion equations between the aircraft and the target; setting up a timing disturbance observer for sub-estimation and feedforward compensation of the target's flight state; obtaining a timing sliding mode guidance law based on the timing disturbance observer and the guidance system; and controlling the aircraft's flight attitude through the timing guidance law. The angle-constrained guidance and control method disclosed in this invention can estimate and compensate for the target even without prior information, accurately acquiring target maneuvers and improving target strike accuracy.

The present application relates to a vision-based heterogeneous multi-copter unmanned aerial vehicle cluster cooperative guidance control method, which is divided into two stages. In the first stage, the multi-copter unmanned aerial vehicle without a vision sensor flies to a position that can be observed by the vision sensor of the multi-copter unmanned aerial vehicle with a vision sensor. In the second stage, the multi-copter unmanned aerial vehicle with a vision sensor guides the multi-copter unmanned aerial vehicle without a vision sensor to fly to a target of interest. The method solves the problem that part of the unmanned aerial vehicles without a vision sensor in the unmanned aerial vehicle cluster cannot perform a vision-based servo control task. The method enables part of the unmanned aerial vehicles without a vision sensor in the heterogeneous unmanned aerial vehicle cluster to also complete a task that relies on the vision sensor itself. By reducing the number of unmanned aerial vehicles with a vision sensor, the use cost of the unmanned aerial vehicle cluster is reduced, and at the same time, the weight of the unmanned aerial vehicle is reduced, and the endurance time of the unmanned aerial vehicle is improved.

A multi-objective parameter-constrained transonic guidance and control method addresses the issue of transonic delivery separation point control accuracy, achieving high velocity control accuracy while ensuring high-precision position control. This method integrates a proportional guidance method with angle-of-fall constraints and a velocity control method, leveraging the strengths of both approaches. Velocity control is introduced as a supplementary control measure through a threshold determination method to minimize its impact on position control accuracy. This improved method, based on a proven method, demonstrates strong feasibility.

A method for managing collaborative playlists is disclosed. The method includes providing, by a processing device, indication regarding one or more available collaborative guidance controls, receiving, by the processing device, first user selection regarding one or more of the collaborative guidance controls, receiving, at the processing device, second user suggestion regarding an additional content item for addition to the playlist, and responsive to determining that the second user suggestion satisfies the one or more collaborative guidance controls, adding the additional content item to the playlist for consumption by the first user and a plurality of second users via a plurality of user devices.