33 results about "Adaptive planning" patented technology

In order to solve the problem of local minimum of a virtual force-based route planning method and realize real-time adaptive planning parameter setting in the planning process, the invention provides a fuzzy virtual force (FVF)-based unmanned plane route planning method. In the method, the real-time adaptive planning parameter setting is performed by combining a Bayesian network and fuzzy logic inference, and the problem of local minimum of the virtual force method is solved by a threat combination method. The fuzzy virtual force-based unmanned plane route planning method comprises the following steps of: 1) setting initial conditions for unmanned plane route planning, including planning an initial point, a target point, and thread distribution and attributes; 2) setting an iterative step of the unmanned plane route planning; 3) setting planning parameters so as to determine a relationship between a virtual repulsion coefficient and a virtual attraction coefficient; 4) performing route planning; and 5) judging whether the local minimum appears, if so, performing thread combination, otherwise, continuously performing route planning until the target point is reached.

The invention discloses an adaptive curve interpolation method based on contour error constraint, belongs to the technical field of precision high-efficiency numerical control machining, and especially relates to a parameter spline curve interpolation feeding speed adaptive planning method based on contour error constraint. The method comprises: establishing an incidence relation model among contour errors, feeding speed, servo system parameters, and curve curvature for a typical second-order feeding servo system, and computing, by using current interpolation point curvature information and a contour error constraint value, a current interpolation point processing feeding speed permissible value under the contour error constraint; determining a magnitude relation between the permissible feeding speed of the contour error constraint and a program-preset speed, and using a minor value as the current interpolation point adaptive feeding speed value; and computing the curve parameters of a next interpolation point by using the adaptive feeding speed and achieving parameter curve interpolation considering the contour error constraint. The method is low in calculated amount, good in practicality, and capable of effectively increasing curve interpolation processing locus contour precision.

The invention relates to a hypersonic flight vehicle, and particularly discloses a balanced gliding trajectory self-adaptive planning method and system based on inverse kinetic solution, and a medium.The balanced gliding trajectory self-adaptive planning method comprises the implementation steps: designing a geometric trajectory meeting basic task requirements; determining the control quantity required by the geometric trajectory based on the inverse idea of dynamics, and mapping the control quantity to a flight constraint space; solving a preset speed analysis prediction model based on the designed geometric trajectory and the controlled quantity thereof; determining a design space of each control quantity so as to obtain a flight corridor; carrying out planning feasibility judgment based on the flight corridor, and if the control quantity does not meet the flight constraint or the terminal state does not meet the task requirement, feeding back, adjusting and iterating geometric trajectory parameters; otherwise, ending the planning. According to the balanced gliding trajectory self-adaptive planning method, the terminal speed can be effectively predicted, and the process state can be well predicted, and necessary control can be implemented, and the balanced gliding trajectory self-adaptive planning method has the advantages of real-time performance and precision.

The embodiment of the invention provides a self-adaptive planning system. The self-adaptive planning system comprises a background server and a terminal; the background server comprises a planning module and a push module; the planning module is used to self-adaptively adjust a current plan which is obtained by adjusting the original plan, according to the number of the uncompleted knowledge points and the planed remaining total time in the process of carrying out the plan for the plan subject; the self-adaptive adjustment comprises adjusting the number of the uncompleted knowledge points corresponding to the effective learning time in the current plan and the learning time corresponding to each uncompleted knowledge point; the push module pushes the knowledge points corresponding to the effective learning time of each day in the adjusted plan to the terminal according to the access request, so as to provide to the plan subject for learning. The embodiment of the invention provides a technical scheme for the objective formulation of a review plan for the postgraduate examination.

The invention relates to an adaptive planning method of the space scanning range of a white light interference profile device. The method comprises steps of 1) using a white light interference profile device to carry out vertical large-range scanning and image acquisition and using an energy gradient function and a method of exhaustion to position an optimal interference position in an image; 2) using the ViBe algorithm to carry out white light interference fringe extraction and carry out binary processing on the extraction result, thereby finishing white light interference fringe identification; and 3) using a stepping motor to drive a piezoelectric ceramic phase shifter and an interference objective lens to upwards move and then downwards move, carrying out fringe identification operation in the step 2) on each frame of image acquired by a CCD camera in movement and extracting a scanning section according to the obtained extraction result subjected to binaryzation. According to the invention, sensing ability for interference fringes can be greatly improved; automatic planning of scanning ranges is finished; and scanning efficiency of the white light interference profile device and the scanning data utilization rate are effectively improved.

The invention provides a data-driven path planning method for an unmanned underwater vehicle, and is mainly applied to path planning of an underwater region traversal task. The method comprises the following steps: firstly, for a task area, carrying out environment modeling by utilizing a grid method, reading priori knowledge to update a modeling map, and generating an initial global path by utilizing initial map information; during execution of the task, detecting and receiving observation data in real time, carrying out online path planning analysis, deciding a global planning mode and a local planning mode based on a planning mode decision evaluation function F, if the global planning mode and the local planning mode are switched to the local planning mode, carrying out local planning according to a heuristic rule set, and returning to an initial global planning path after traversal of a local feature dense area is completed; according to the scheme, online guidance decision makingis carried out according to underwater real-time high-dimensional space observation data, global and local planning decision making is carried out on the basis of real-time detection conditions, an adaptive planning strategy is selected through planning mode switching, the method can be suitable for more complex environments, and the time efficiency is remarkably improved.

The invention provides a coupling system of coal mine tunneling equipment, a geologic model and a roadway design model, which is characterized in that an inertial navigation device, a reflecting prism and a distance measuring sensor are arranged on the tunneling equipment, and a full-automatic total station is used for transmitting geodetic coordinates to calibrate the reflecting prism in real time; obtaining accurate geodetic coordinate positioning data, attitude data and roadway cutting data of the tunneling equipment; meanwhile, a high-precision three-dimensional dynamic geology and roadway design comprehensive model based on a unified geodetic coordinate system is constructed, a highly-coupled space relation between tunneling equipment and the geology model and between the tunneling equipment and the roadway design model is established, and the underground tunneling field environment is restored through a digital twin system; a self-adaptive planning cutting template, a course angle and a pitch angle correction template of the tunneling equipment are generated by using the data transmission processing module, the tunneling equipment is guided by the intelligent tunneling remote management and control system to complete self-adaptive planning cutting and automatic correction, and a solution with high feasibility, reliability and practicability is provided for realizing intelligent tunneling of a mine.

The invention discloses an adaptive planning method and system for a rural power distribution network containing distributed photovoltaics. The method comprises the following steps: obtaining photovoltaic permeability; determining an annual typical time point according to the photovoltaic permeability; simulating the rural power distribution network operation condition by adopting a random methodaccording to the annual typical time point to obtain a simulation result; and planning distributed photovoltaic resources configured for the rural power distribution network according to the simulation result. The influence of the novel load and the photovoltaic device on the rural power distribution network tide and the node voltage can be fully considered, the rural power grid is planned in a unified mode, and photovoltaic resource optimal configuration is achieved.

The invention provides a mechanical arm action planning method and system based on an outdoor antenna calibration field position, and the method comprises the steps: calculating the latitude and longitude of a calibration field according to the coordinates of an outdoor calibration field; according to the satellite ephemeris, calculating the maximum elevation angle of the calibration place in a static state in a sub-satellite point repetition period; according to the calibration field coordinates and the maximum elevation angle of the satellite under the actual measurement data, the mechanical arm action is determined, the mechanical arm action starts from the starting point, a certain amount of stepping is conducted on the inclination angle and the rotation angle at the same time, and when the inclination angle or the rotation angle reaches the physical tolerance of the mechanical arm, stepping is conducted in the opposite direction; and calculating the satellite coverage condition of the antenna disc surface according to the actual satellite track and the mechanical arm motion planning, and checking the mechanical arm motion planning effect. According to the calibration site position information and the satellite constellation design, adaptive planning can be carried out on the action of the mechanical arm, so that observation values in the antenna disc face are evenly and comprehensively covered, and the antenna phase calibration precision and calibration speed are improved.

The invention discloses a self-adaptive planning method for a stacking type of bagged material loading. Related stacking parameters are automatically planned according to the size of a carriage and the size of bagged materials, and the stacking type is improved according to the actual material form conditions, so that the stacking stability is improved; and the complexity of a robot grabbing material mode is reduced, and the loading efficiency is improved.

The invention relates to an aircraft track adaptive planning method, device and equipment and a storage medium. The method comprises the following steps: constructing a relational expression among a pitch angle, a roll angle and an azimuth angle of an aircraft; obtaining a coordinated turning condition which needs to be met by a roll angle when the aircraft performs azimuth turning; constructing a differential equation set which needs to be met by the flight path of the aircraft; inputting and substituting the pitch angle, the roll angle, the azimuth angle, the longitudinal axial speed, the latitude, the longitude and the height which meet the coordinated turning condition and the relational expression among the pitch angle, the roll angle and the azimuth angle in a segmented mode into a differential equation set which needs to be met by the flight track of the aircraft to obtain track parameters, and therefore segmented tracks are established; and fitting each segmented track to obtain a final flight track of the aircraft, and enabling the aircraft to move according to the flight track. The method has the advantages that the working execution time of the aircraft is shortened, and the efficiency is high.

The invention relates to a 3D printing forming method, and relates to the technical field of 3D printing. The 3D printing forming method comprises the following steps that a printing model is established, at least two kinds of supporting holes are reserved in the printing model, and the at least two kinds of supporting holes are arranged in a staggered mode; and printing is started according to the printing model, the supporting holes are filled, and a plurality of supporting columns are formed in the product formed through printing. When the 3D printing forming method is used for printing, original printer equipment does not need to be changed, only the printing model needs to be subjected to adaptive planning, and an arrangement space for forming the supporting holes of the supporting columns is reserved; and original printing materials do not need to be changed, only the reserved supporting holes need to be filled while normal printing is completed so that the supporting columns can be formed, the interior of the product can be connected through the supporting columns, so that the internal printing layers of the printed and formed product are reinforced, and the layering or fracture problem is solved.

The invention provides a port path and berth adaptive planning method and system, and the method comprises the steps: obtaining a berth positioning data set, collecting the positioning coordinates of a ship, obtaining the remaining time of berth, carrying out the calculation according to the berth positioning data set and the remaining time of berth, and obtaining an adaptive planning matrix; and searching the adaptive planning matrix to obtain a digital path and a digital berth corresponding to the digital path, thereby realizing rapid adaptive arrangement of a path formed by a plurality of berths, and automatically planning an optimal path for a ship to travel into the berth according to the predicted berth occupation time and the position coordinates of the berths. The beneficial effects of saving the parking path planning time and improving the parking utilization efficiency are achieved.