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32 results about "Path design" patented technology

BIM-based cable bridge routing autonomous optimization visualization system

The invention, which relates to the technical field of engineering automation, discloses a BIM-based cable bridge routing autonomous optimization visualization system comprising a heterogeneous professional semantic modeling module, a path identification module, a path generation module, a path conflict evolution module, a path reconstruction module and an output module. The system identifies a cable thermosensitive area by constructing a cross-professional semantic map, constructs a multi-target path evaluation function and generates a high-quality candidate path by adopting a variable weight genetic algorithm; introducing a construction stage dynamic compression prediction mechanism to improve the path robustness; visual expression of the whole process of path design is realized through versioned path reconstruction and a three-dimensional animation evolution function; and finally outputting structured path data and an obstacle avoidance strategy which can be used for construction guidance. According to the invention, the intelligent level of cable bridge path planning, the engineering implementability and the system integration efficiency are significantly improved.
Owner:SHEN ZHEN SHI HONG YUAN JIAN SHE KE JI YOU XIAN GONG SI

Navigation path planning method based on BOX algorithm

The invention relates to the technical field of algorithms, in particular to a BOX algorithm-based navigation path planning method, which comprises the following steps of: S1, generating a linear reference path from a starting point to an end point through a Bresenham algorithm, and ensuring the shortest distance potential of an initial path; s3, the shortest path is selected during obstacle avoidance, and obstacle avoidance redundancy is reduced; s4, dynamically adjusting a sliding mode by combining sliding optimization with path complexity, and furthest shortening the length of a free section on the premise of safety; s3, differential obstacle avoidance paths are generated according to the obstacle motion characteristics, for example, predictive oblique line bypassing is adopted for regularly moving obstacles to accurately avoid the obstacles, buffer space is reserved for irregularly moving obstacles, and the collision risk is reduced from the source; in the step S5, the constraint condition of the free section further ensures that the path conforms to the physical limitation of the mobile device, and mechanical failure or collision caused by unreasonable path design is avoided.
Owner:TIANJIN BONUO ZHICHUANG ROBOT TECH CO LTD +2

A method for laser spin cutting of a ceramic substrate

The present invention provides a method for laser rotary cutting of a ceramic substrate, which relates to the technical field of laser cutting. The method includes designing a laser rotary cutting path drawing in path design software according to the thickness of the ceramic substrate and the cutting profile dimensions; converting the laser rotary cutting path drawing by using the drawing processing software supporting the laser device; downloading the converted laser rotary cutting path drawing to the laser device and adjusting the parameters of the laser device; and starting the laser device to cut the ceramic substrate. Through a more refined energy action mode, the distribution of laser energy on the material is made more uniform, thereby reducing the risk of local overheating and reducing the generation of the heat affected zone and slag. The laser rotary cutting path is designed in advance, which improves the cutting efficiency while ensuring the cutting quality, and helps to obtain a more vertical and flat cutting edge, thereby improving the dimensional accuracy of the cut piece.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Work route design device, work route design method, and program

This work route design device (1) is provided with: a current topography data acquisition unit (21) which acquires current topography data of a construction site; a design topography data acquisition unit (22) which acquires design topography data of the construction site; a map creation unit (25) which calculates a soil cutting and banking area on the basis of the current topography data and the design topography data; and a work route search unit (28) which searches for a work route along which a work machine moves during work including a series of unit work. The work route search unit (28) performs a selection process for selecting a plurality of unit work candidates to be cut from a work start point of the soil cutting area, and a determination process for determining, from the plurality of unit work candidates, a unit work with a minimum cost as a unit work for cutting soil from the work start point. The work route search unit (28) determines a series of unit work and obtains a work route by using, as the next work start point, a site close to a soil cutting site including a soil cutting site due to the determined unit work, and repeating the selection process and the determination process for the subsequent unit work until the soil cutting area disappears.
Owner:EARTHBRAIN LTD

Cache fast access method, processor, device, storage medium and product

Embodiments of the present disclosure disclose a method, a processor, an apparatus, a storage medium and a product for quick access of a cache. The method comprises: dividing a static random access memory array of a target cache module into two regions according to physical distances from an upstream device; a region closer to the upstream device is a proximal region, and a region farther from the upstream device is a distal region; constructing a first pipeline transmission path between the upstream device and the proximal region; constructing a second pipeline transmission path between the upstream device and the distal region; the first pipeline transmission path contains fewer pipeline register stages than the second pipeline transmission path; and an average access delay period between the upstream device and the target cache module is an arithmetic mean of a proximal region access delay and a distal region access delay. The method effectively reduces the average access delay period of the target cache module by physical distance partitioning and differential pipeline path design.
Owner:HYGON YUNXIN INTEGRATED CIRCUIT DESIGN (SHANGHAI) CO LTD

A drilling path planning method for cochlear implantation channel, a storage medium and an equipment

ActiveCN120753788BAnatomical structuresFacial nerve
This invention discloses a drilling path planning method, storage medium, and device for cochlear implantation, belonging to the field of path planning technology in cochlear implantation. This invention solves the problems of low efficiency and easy introduction of path deviation in existing path planning methods. The invention preprocesses preoperative three-dimensional CT images and integrates anatomical structural models to extract three-dimensional spatial geometric information of key tissues within the temporal bone, including the facial nerve and cochlea. Subsequently, combined with prior medical knowledge, the drilling path for the cochlear implant electrode is automatically planned in three-dimensional space to minimize damage to key nerves and ensure surgical safety. The path planning method of this invention is applicable to cochlear implantation surgery assisted by medical robots, significantly reducing reliance on the doctor's subjective judgment, improving the individualized adaptability and efficiency of path design, and effectively avoiding path deviation caused by human subjective judgment. This invention can be applied to path planning in cochlear implantation surgery.
Owner:HARBIN INST OF TECH

Transmission network management device

PCT designated stageWO2025262822A1TransmissionMulti bandTopology information
The purpose of the present invention is to manage new information necessary for path design when performing path design of an optical transmission network capable of handling multiple bands even in an environment in which a mixture of a plurality of types of optical fibers are present, and thereby increasing the scale and economic potential of the network. To this end, disclosed herein is a transmission network management device for managing information necessary for path design when performing path design of a transmission network capable of handling multiple bands, the transmission network management device including: a physical topology information management unit that manages physical topology information used for estimating transmission quality in the path design; and a logical topology information management unit that is used for route design and wavelength design in the path design and manages logical topology information, including cost values indicating that it is easy or difficult to be selected from among a plurality of types of optical fibers of different wavelength bands, during the route design.
Owner:NT T INC

Design method for gluing path of complex bonding surface

The invention discloses a method for designing a gluing path of a complex bonding surface, which comprises the following steps: initializing the pose of an end effector of a mechanical arm, and determining the spatial layout and type of a curved surface to be covered; the curved surface to be covered is mapped to a uv space, and a uniform uv grid is generated; establishing a task constraint model of an end effector of the mechanical arm; the coverage feasibility of the curved surface to be covered is checked through a mechanical arm joint space searching method; generating a covering path pattern on the uniform uv grid of the to-be-covered curved surface passing the feasibility test to obtain a gluing path point sequence of the to-be-covered curved surface; and based on the gluing path point sequence of the to-be-covered curved surface, an initial gluing covering path of an end effector of the mechanical arm is obtained, and finally singularity detection and singularity avoidance are carried out to obtain a final non-singularity gluing covering path. The method is suitable for automatic generation of the uniform coverage path of the complex three-dimensional free-form surface under task constraint, and the safety and reliability of surface gluing operation of the spacecraft component are remarkably improved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Variable-diameter shield steel pipe piece joint design method based on random error accumulation

The invention provides a variable-diameter shield steel pipe piece joint design method based on random error accumulation, and precise control is realized through a double-path design method: a path 1 is based on a determined pipe piece joint form, the splicing precision of a single pipe piece is input, the bolt position and error redundancy of a top sealing block are optimized in a targeted manner, and a path 2 is obtained; error accumulation is controlled from the key component design level; in the path 2, the design of a capping block and a corresponding accumulative error tolerance are firstly determined, and then a standard segment joint connection mode is optimized so as to refine design and control splicing random errors. Meanwhile, a Monte Carlo method is introduced, and balance of construction efficiency and structural quality is realized by randomly generating segment assembly errors, simulating an accumulation process, comparing and verifying with design error redundancy, judging a ring forming probability and iteratively optimizing path design parameters to improve the segment ring forming probability.
Owner:GUANGZHOU METRO GRP CO LTD

Operation path design system and operation path design method

[Problem] To improve the efficiency of production of a product by a processing machine. [Solution] Provided is an operation path design system that designs an operation path of a robot that is provided side by side with a processing machine and operates while holding a workpiece to be processed by the processing machine, the operation path design system comprising: an acquisition unit that acquires drawing data of the workpiece, a first gripping position indicating a workpiece gripping position of the robot in each processing step for the workpiece, and a second gripping position indicating a gripping position at a timing later than the first gripping position; and a generation unit that selects a corresponding script based on the acquired drawing data of the workpiece, the first gripping position, and the second gripping position by using a script specifying via-points of the robot between the first gripping position and the second gripping position in each processing step for the workpiece and an operation between the via-points, and generates an intermediate program used for conversion into a robot program including an operation command to the robot.
Owner:MURATA MASCH LTD

Artificial cochlea implantation grinding path planning method, storage medium and equipment

The invention discloses an artificial cochlea implantation grinding path planning method, a storage medium and equipment, and belongs to the technical field of path planning in artificial cochlea implantation. The problems that an existing grinding path planning method is low in efficiency, path deviation is likely to be introduced, and the individualized adaptive capacity of a planned path is poor are solved. According to the method, the preoperative CT image is preprocessed by fusing the anatomical structure model, and the key structure in the temporal bone can be accurately positioned in the preoperative CT image, so that the three-dimensional space geometric information of the key structures of the cochlea, the vestibule and the facial nerve is extracted. According to the method, the grinding path of the artificial cochlea operation area is automatically planned in the three-dimensional space in combination with prior medical knowledge, introduction of path deviation is avoided, the individualized adaptive capacity of path design is improved, the safety of the operation is ensured, and compared with an existing method, the path planning efficiency is improved. The method can be applied to medical robot assisted artificial cochlea implantation operations.
Owner:HARBIN INST OF TECH

Information processing device, path design method, and program

Design the path by considering the constraints between multiple paths. [Solution] An information processing device for calculating the route of a target path connecting nodes in a network having multiple nodes and multiple links, comprising: an input unit for inputting network information and constraints on the target path; a calculation unit having a constraint solver for calculating the route of the target path under multiple constraints, including constraints on multiple paths; and an output unit for outputting the route of the target path calculated by the calculation unit.
Owner:NTT DOCOMO BUSINESS INC

High-precision milling process method suitable for complex curved surface

The invention discloses a high-precision milling process method suitable for a complex curved surface. The high-precision milling process method comprises the following steps: carrying out streamline path design, generating a continuous tool path based on a curved surface parameter optimization direction, reducing tool lifting times, and avoiding path mutation by adopting a curved surface constraint algorithm; a five-axis positioning machining strategy is adopted, the curved surface is divided into a plurality of feature areas, cutter inclination angle machining is fixed, and linkage shaft error accumulation is avoided; implementing a cutter adaptation scheme, selecting a combination of a thermal shrinkage cutter handle and a hard alloy ball-end milling cutter, and matching a cutter coating according to the material hardness; a streamline and five-axis positioning coupling technology, a regional inclination angle database and a tool vibration suppression model are adopted, the good effects that the surface roughness Ra is smaller than or equal to 0.6 micrometer, the machining efficiency is improved by 25%, and the surface shape precision pv value is smaller than 1 micrometer are finally achieved, meanwhile, the service life of a tool is prolonged by 30%, and the debugging time is remarkably shortened.
Owner:BEIJING INST OF AEROSPACE CONTROL DEVICES

A 3D pipeline path design method and system based on discretized string representation and optimization

This invention discloses a three-dimensional pipeline path design method and system based on discretized string representation and optimization. It establishes a globally fixed world coordinate system and a locally updated coordinate system that dynamically updates with construction operations. The continuous initial three-dimensional pipeline path space in the world coordinate system is discretized and converted into a world string. A multi-objective optimization algorithm is used for iterative optimization to generate a set of optimized schemes containing multiple path heterogeneities. Structural mutations are performed on the world strings to form path heterogeneities. The optimal solution in the optimization scheme set is then converted into a locally generated string in the local coordinate system according to the construction operation sequence, using predefined mapping rules, to generate output results for construction operations. This method has very high computational efficiency, can generate multiple technical solutions and obtain a globally optimal topology, and can directly generate construction instructions from the optimal solution.
Owner:DMS CORP

Avoidance path design method and device for low-altitude cross route

The invention provides an evasion path design method and device for a low-altitude cross route, and the technical key points are as follows: according to the type of an aircraft and the navigational speed, dividing route planes in a layered manner, and determining the minimum sailing safety distance D of each plane; on the basis of the principle of shortest linear distance, keeping respective heading of the aircrafts unchanged before and after passing through the route intersection; in the process of passing through the air route intersection, measuring the navigational speed vector of the opposite aircraft by adopting a two-point positioning speed measurement method, and judging whether the two aircrafts have the risk of being too close to each other or colliding with each other; and if the risk of too close distance or collision exists, constructing a virtual 3D roundabout, and determining respective avoidance routes along the surface of the 3D roundabout according to the navigational speed vectors of the aircrafts.
Owner:SOUTHEAST UNIV

Wiring structure of wiring member

The purpose of this invention is to increase the freedom of path design for wiring components connected to in-wheel motors. The wiring component comprises: an in-wheel motor unit including an in-wheel motor and a housing housing the in-wheel motor; and a wiring component connecting the in-wheel motor to vehicle-side equipment. In the wiring component, the end connected to the in-wheel motor is a first fixing portion, and the portion fixed to the vehicle following the end is a second fixing portion. The housing is provided with a wiring fixing part for fixing the second fixing portion.
Owner:SUMITOMO WIRING SYSTEMS LTD

Distributed architecture-oriented time sequence library high-concurrency writing method

The invention discloses a distributed architecture-oriented time sequence library high-concurrency writing method, which relates to the technical field of computer databases, and comprises the following steps of: constructing a self-adaptive multi-stage writing path of time sequence data, and dynamically selecting the writing path of the time sequence data and adjusting a load in real time by embedding an intelligent scheduling layer and a cross-layer feedback control mechanism; based on a sliding time window and an additional recording queue mechanism, performing isolation and combination on out-of-order data and historical complement data written in the distributed time sequence database; and based on version conflict detection of a vector clock and a latest version priority merging strategy, merging and writing confirmation are carried out on the time sequence data after out-of-order writing and historical additional recording processing. According to the method, a layered write-in path design and a lightweight consistency protocol are adopted, high-concurrency write-in and final consistency guarantee of data are realized aiming at complex scenes such as out-of-order write-in, historical compensation and network jitter, and the write-in performance and reliability of a system are improved.
Owner:GUODIAN NANJING AUTOMATION

International logistics chain transportation method and system

The invention relates to the technical field of international logistics, and discloses an international logistics chain transportation method and system, and the method comprises the following steps: S1, collecting logistics environment information based on real-time environment monitoring data, including weather conditions, traffic flow, flight time, port conditions, current positions of goods, and states of transportation tools; s2, cleaning, standardizing and fusing the acquired environment data to obtain available real-time data; and S3, based on the multi-objective optimization model, comprehensively considering timeliness, cost, resource utilization rate and environmental influence, and carrying out link splitting and path selection optimization to obtain an optimal path selection scheme. Link splitting and path selection optimization are carried out based on the multi-objective optimization model, and then global balance among timeliness, transportation cost, resource utilization rate and environmental influence is realized, so that the problem that a path scheme does not have overall optimality due to the fact that most of traditional path design methods only pay attention to a single objective is solved.
Owner:TIANJIN XINXIN TECH CO LTD

A redundant path configuration method, architecture, device and storage medium

Embodiments of the present application provide a redundant path configuration method, architecture, device and storage medium. According to the configuration requirement, the redundant path relationship of a plurality of configurable nodes in a configurable architecture is determined; based on the configurable architecture, the node type of the plurality of configurable nodes is configured; and according to the node type and the redundant path relationship, the function type of the function port in the configurable node and the port path are configured. The node type of the plurality of configurable nodes in the configurable architecture and the redundant path relationship between the configurable nodes are configurable. That is, in the configurable architecture, the node type of each configurable node can be configured as required, which can meet different configuration requirements of different users. In the configuration process, since hardware development and design and software design are not required, the redundant path design in the architecture can be realized through parameter configuration, which can effectively simplify the configuration difficulty of the redundant path and improve the configuration efficiency.
Owner:BEIJING CO WHEELS TECH CO LTD

Dynamic-static unified loading path design method for true triaxial mechanical test

Provided is a dynamic-static unified loading path design method for a true triaxial mechanical test. Loading path design is carried out in a stress space, and a principal stress space is cut into a series of stress meridian plane spaces, thereby transforming a three-dimensional design environment into a two-dimensional design environment; and a design result in the two-dimensional design environment is converted back into a final three-dimensional design result. Distribution of dynamic-static true triaxial mechanical test loading paths within the stress space is designed according to requirements.
Owner:SHENZHEN UNIV

A navigation path planning method based on a BOX algorithm

The present application relates to the technical field of algorithm, especially to a navigation path planning method based on BOX algorithm, wherein step S1 generates a straight line reference path from the starting point to the ending point through the Bresenham algorithm, ensuring the shortest distance potential of the initial path; step S3 selects the shortest path when avoiding obstacles, reducing the redundancy of obstacle avoidance; the sliding optimization of step S4 combines with the dynamic adjustment of the path complexity to adjust the sliding mode, and under the premise of safety, the length of the free section is maximally shortened; step S3 generates a differentiated obstacle avoidance path according to the motion characteristics of the obstacles, such as using predictive diagonal avoidance for regular motion obstacles to accurately avoid obstacles, and reserving a buffer space for irregular motion obstacles to reduce the collision risk from the source; and the constraint conditions of the free section in step S5 further ensure that the path meets the physical limitations of the mobile device, avoiding mechanical failure or collision caused by unreasonable path design.
Owner:TIANJIN BONUO ZHICHUANG ROBOT TECH CO LTD +2

An improved RRT path planning algorithm based on a mechanical arm

The application discloses a kind of improved RRT path planning algorithm based on mechanical arm in the technical field of mechanical arm path planning, specific steps are as follows, S1, obtain planning algorithm initial parameter;S2, start improved RRT path planning algorithm;S3, execute loop;S4, backtrack parent node to obtain path;S5, obtain final path, target trend coefficient k is designed, so that the direction of node expansion is more flexible, gently trends to target direction, and in node expansion step, target trend coefficient k is influenced by obstacle detection, dexterous workspace detection, can be more in line with the characteristics of this working object of mechanical arm, reduce the number of invalid expansion nodes, feasibility detection is carried out in two aspects of target trend coefficient calculation and waypoint detection, but the detection purpose of target trend coefficient calculation is to adjust the direction of new node, avoid invalid expansion to outside workspace and obstacle direction.
Owner:北京熠视科技有限公司

Encoding / decoding model training methods, computer equipment, and computer storage media

PendingCN122313995AEnvironmental noisePathPing
This application discloses a method for training an encoding / decoding model, a computer device, and a computer storage medium. By introducing a dual-path design that separates the main encoding structure and the detail encoding structure, differentiated encoding of the main information and detail information in the audio signal is achieved. The main encoding structure focuses on processing the raw spectral data that carries the basic outline and core content of the audio, ensuring accurate capture and efficient encoding of the main information; the detail encoding structure is specifically designed for fine processing of the detail spectral data extracted from the raw spectrum, focusing on preserving subtle features that are crucial to the auditory experience, such as high-frequency overtones, transient changes, and weak environmental noise. This clearly defined structural design avoids the problems of insufficient learning or overfitting that easily occur when a single encoding path processes a large amount of main and detail information simultaneously at high bit rates, thereby effectively reducing the "illusion" phenomenon caused by insufficient learning of detail information or scarcity of training data.
Owner:TENCENT MUSIC ENTERTAINMENT TECH (SHENZHEN) CO LTD

pneumatic sprayer

ActiveCN309565192SSprayerPaperboard
1. The name of this design product: Pneumatic sprayer. 2. Application of this product: used for pneumatic adjustment and control, using a dual-path design for spraying, adjustment, heating, etc., used for heating in cardboard processing. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:王杰

Contour line-based building site and road generation method, equipment and medium

The invention discloses a construction site and road generation method and device based on contour lines and a medium, and relates to the technical field of path design. The method comprises the following steps: receiving a to-be-arranged area, and extracting vector data of a ground feature layer, an elevation contour line layer and an existing road layer to obtain a to-be-arranged area; dividing a to-be-arranged area into grids, and calculating an elevation score, a contour density score and a road distance score based on the elevation contour map layer and the existing road map layer so as to screen out a plurality of candidate building site center points; determining the orientation of the building site through clustering analysis according to the trend of the peripheral contour line of the central point of the candidate building site; and according to the road starting point facing the preset building site, searching connection points meeting the gradient requirement on the existing road, and generating a road combination of the connection points through a way-finding algorithm. According to the method, a plurality of optimal schemes are output in batches and are quantitatively scored, and the efficiency of early-stage design work is greatly improved.
Owner:HEFEI LIANGZHEN CONSTR TECH CO LTD

Information flow path design method based on hybrid granularity reconfigurable computing architecture and readable storage medium

The invention relates to an information flow path design method based on a hybrid granularity reconfigurable computing architecture and a readable storage medium. The method is applied to a coarse-grained sub-chip in the hybrid reconfigurable chip, the hybrid reconfigurable chip further comprises a fine-grained sub-chip, and the method comprises the following steps: acquiring a hybrid information stream received by an input port in the coarse-grained sub-chip; according to the address and the timestamp of the mixed information flow, dividing the mixed information flow into different types of independent information flows through a coarse and fine granularity processing unit interface in the coarse granularity sub-chip; and performing coarse and fine granularity decoupling on different types of independent information streams, and controlling the decoupled information streams to flow to corresponding granularity chips according to a decoupling result. By adopting the method, the information flow can be effectively decoupled.
Owner:TSINGHUA UNIVERSITY

Route design device, route design system, and route design method

This route design device for generating a movement route of an autonomous mobile body comprises: a reference information reception unit that receives reference information to be referred to when determining the shape of the movement route; a strictness level setting unit that sets a strictness level to be applied to the reference information; and a route generation unit that generates the movement route on the basis of the reference information and the strictness level. The reference information reception unit receives, as the reference information, a reference point designated between a movement start point and a movement end point and / or a reference line segment indicating a combination of line segments from the movement start point to the movement end point. The strictness level setting unit is able to set, as the strictness level, the degree of bringing the movement route closer to the reference point and / or the reference line segment, and is able to set different strictness levels for a plurality of pieces of the reference information. Accordingly, it is possible to generate an appropriate route according to characteristics of a travel area.
Owner:HITACHI IND EQUIP SYST CO LTD

Convolution operator capable of accommodating random bit flipping error and application method thereof

The invention discloses a convolution operator capable of containing random bit flipping errors and an application method of the convolution operator. The operator is constructed based on a Winograd algorithm, a completely decoupled calculation path design is adopted, a convolution kernel is directly trained and stored in a Winograd domain, and the influence of a random bit flipping error is limited to a local output region; a sparse optimization operation is introduced, the sparsity of the input feature map is reserved, and the calculation overhead is reduced; integrating a self-reference suppression strategy, and dynamically detecting and suppressing abnormal activation based on the local similarity of a Winograd domain activation value; during application, the fault-tolerant convolution operator can replace traditional convolution and is embedded into an existing neural network structure, and the fault-tolerant capability is improved and the calculation overhead is reduced while normal reasoning performance is not lost; the method has good compatibility and combinability, can be widely embedded into an existing neural network model, effectively improves the fault-tolerant capability of the network model, and is suitable for multi-scene and multi-requirement neural network fault-tolerant design.
Owner:FUDAN UNIVERSITY