45results about How to "Reduce Design Errors" patented technology

The invention discloses an electrical assembling method for a modulator power supply cabinet, which is characterized by comprising the following steps of: firstly, constructing a three-dimensional wiring operating platform by a computer, importing a three-dimensional structure model of which components are defined on the platform and carrying out three-dimensional wiring according to a cabinet structure model; and then flattening a wire harness and assembling the components, generating a wire harness flattening file, creating a wire harness flattening graph, converting the wire harness flattening graph into a two-dimensional CAD (Computer Aided Design) wire bundle graph, processing cables according to the graph and installing the cables on site. Due to the adoption of the assembling method, the rapid developing speed can be improved, the design error is reduced; the speed and the quality of actually manufacturing a wire bundle are improved; the production period is effectively reduced; and the production working efficiency is improved.

The invention discloses a pipeline routing map generating system and a pipeline routing map generating method for a newly-built subway station. The system is established on a CAD (Computer Aided Design) system platform, and comprises a data input module, a three-dimensional map generating module, an intrusion limit calculating module and a routing map generating module, wherein the data input module is used for inputting pipeline data of the newly-built subway station and obstructing volume data and pipeline data of existing pipelines; the three-dimensional map generating module is used for generating an initial three-dimensional map according to the input data; the intrusion limit calculating module is used for calculating intrusion limit according to the initial three-dimensional map, and respectively marking an intrusion limit part on each of pipelines of the newly-built subway station and the existing pipelines to obtain a three-dimensional map with intrusion limit marks; the routing map generating module is used for generating a pipeline routing map by adopting the principle that the total length of the pipelines is the minimal on the basis that the clearances of the pipelines and obstructing bodies of the newly-built subway station do not intrude on the clearances of the existing pipelines based on the three-dimensional map with the intrusion marks according to a starting point and a terminal point of a pipeline route input by a user. According to the system and the method, the burden of a designer is lightened, the design work efficiency is improved, and design errors are reduced.

The invention provides a method for designing a local tempering induction coil of an ultrahigh-strength steel threaded type workpiece based on finite element simulation. A geometrical model is established according to shapes of an ultrahigh-strength steel optical axis workpiece and an induction coil; finite element simulation for induction heating is carried out after grid partition and material attribute loading; a result obtained by simulation is compared with an experimental measurement result; and, if the two are matched well, design of the induction coil of the ultrahigh-strength steel threaded type workpiece in the next step is carried out. The shape factor, the position factor and the number of turns of the induction coil are optimal in design; the designed induction coil can realize that a threaded part of the ultrahigh-strength steel threaded type workpiece has homogenized tempering temperature in an induction heating local tempearing process; finite elements are introduced into the design of the local tempering induction coil of the ultrahigh-strength steel threaded type workpiece; therefore, visualization of temperature distribution in the local tempering induction heating process of the threaded part can be realized easily; a design process is optimized; furthermore, the design mistakes can be reduced; and the design cost is reduced.

A formation method for test structural layout comprises: forming at least two virtual lead wire welding pad patterns; forming a virtual frame pattern containing the virtual lead wire welding pad patterns; forming single test structure patterns among the virtual lead wire welding pad patterns of the virtual frame parameter, connecting the single test structure pattern with the virtual lead wire welding pad patterns to form a standard unit pattern containing the virtual frame, the virtual lead wire welding pad patterns and the single test structure patterns; forming lead wire welding pad patterns; forming a frame pattern containing the lead wire welding pad patterns; inserting the standard unit pattern into the frame pattern, and aligning the virtual lead wire welding pad patterns of the standard unit pattern to the lead wire welding pad patterns of the frame pattern, to form a test structural layout. The invention provides a system forming test structural layouts, a formation method of test structures and a formation method of layouts. The invention can improve the efficiency of layout formation, save time and reduce error rate.

The invention provides an elevator shaft design method and system based on image recognition. The method includes collecting hoistway images vertically at intervals; performing identification, splicing and A/D conversion on the images in sequence and forming a complete shell model of the maximum allowable accommodating space of the elevator hoistway; generating parameterized data by utilizing theshell model; performing smart matching between the parameterized data and a specified elevator parameter specification; if the matching is successful, outputting the elevator parameter specification as a design solution; if the matching is unsuccessful, adjusting the elevator parameter specification and then performing matching again until the matching is successful. According to the elevator parameter specification matching method and device, the personal injury accidents such as high object falling, missing stepping and shearing which are likely to happen in the operation process of personnel in the dangerous environment of the elevator hoistway are avoided, and the design scheme can be automatically generated.

The invention discloses a hydraulic position and pressure closed-loop control dynamic static simulation test system and a method. The system at least comprises a dynamic static simulation test valve device (18), a test hydraulic cylinder (13), a displacement sensor (14), a connecting rod (15), a loading hydraulic cylinder (16) and a loading valve device (17), wherein the two ends of the connectingrod (15) are connected with the test hydraulic cylinder (13) and the loading hydraulic cylinder (16). The displacement sensor (14) is arranged at the other end of the test hydraulic cylinder (13), arod cavity of the loading hydraulic cylinder (16) is connected with an oil port B of the loading valve device (17), wherein a piston cavity of the loading hydraulic cylinder (16) is connected with anoil port A of the loading valve device (17). The test hydraulic cylinder (13) is connected with the dynamic static simulation test valve device (18).

The invention relates to a method for automatically inserting logic supports and hangers in pipeline design. The method includes the steps of A, setting parameters, to be more specific, reading a currently optimal parameter scheme and an alternative scheme from a parameter library; B, selecting pipeline branch insertion key points to form a pipeline branch list; C, automatically inserting the automatically inserting the logic supports and hangers in each pipeline branch; D, regulating the spacing adjustment coefficients of the supports and hangers to regulate the distance between the support and hanger insertion points and adjacent elements, and inspecting each pipeline branch; E, manually regulating and outputting, to be more specific, reading the errors of each pipeline branch, and generating inspection reports; F, saving parameters, to be more specific, recalculating all parameters in the parameter setting, and generating a new optimal parameter scheme. By the method, automatic insertion, regulation and verification of the logic supports and hangers can be achieved, the design efficiency of the logic supports and hangers is increased greatly, manual design errors are reduced greatly, and a fast and uniform design scheme can be formed.

The invention discloses a communication system construction file visual generation method. Based on a schematic diagram drawing function in Altium Designer software, the method comprises the following steps of 1, packaging devices and cables in a communication system, designing the devices and the cables as corresponding component units according to input and output characteristics of the devices and the cables, and importing the component units in a library file directory to form a specific device and cable library; 2, calling the packaged devices and cables to draw a construction connection diagram by a designer, and performing compilation to generate a report file corresponding to the construction connection diagram; 3, obtaining data in the construction connection diagram by analyzing the report file; and 4, generating a construction file according to the data in the construction connection diagram, and generating a word or excel form file according to a user requirement. According to the method, visual and automated editing of the construction file is realized, so that the generation efficiency of the construction file is greatly improved.

The invention relates to a method for quickly generating a cable assembly drawing based on AutoCAD secondary development. The method comprises the following steps: step 1, automatically extracting related information in a circuit diagram through the secondary development of AutoCAD, and generating a cable connection table; step 2, importing the cable connection table into AutoCAD, performing matching design of the cable and related parts in a cable matching design interface, and generating an incomplete cable assembly drawing, a wiring table and a printing table; and step 3, automatically popping up a cable accessory insertion interface after completing the cable matching design, reading the connector number into the interface, then selecting the accessory and completing the initial position information setting, and finally carrying out number recognition to automatically generate a complete cable assembly drawing, a wiring table and a printing table. By the adoption of the technical scheme, quick design of the cable assembly drawing of a subsystem-level product can be achieved. Design errors caused by human factors are reduced, and the design quality is improved.

The invention relates to the technical field of vehicles, in particular to an electric vehicle idle speed noise matching method and device, and the method comprises the steps: recognizing an idle speed noise excitation source of an electric vehicle and a corresponding transmission path; according to the idling noise excitation source and the corresponding transmission path, the in-vehicle noise of the electric vehicle is obtained; and according to the in-vehicle noise, matching a whole vehicle idle speed noise target value of the electric vehicle, so as to generate an idle speed noise optimization strategy of the electric vehicle based on the whole vehicle idle speed noise target value. According to the method, the target value can be compared in the vehicle design stage, design errors are reduced, the vehicle development period is shortened, the later mold modification and change cost is reduced, the vehicle model development and design cost is reduced, idling noise influencing components and system indexes can be rapidly formulated, and the method is accurate and effective.

The invention provides a fastener selecting method and system. Fastener information is collected in advance to establish a fastener database; and establishing a fastener selection knowledge base, solidifying the matching rule of the fastener; the method comprises the following steps: firstly, establishing a model of equipment to be used for fastener selection through a three-dimensional modeling tool; the method comprises the following steps: establishing a model, generating fastener mounting points on the model, selecting connecting parts corresponding to the mounting points, calculating theinterlayer thickness of the connecting parts, finally calling fastener data, and quickly and accurately selecting fastener combinations for fixing the mounting points according to fastener matching rules in a fastener selection knowledge base. According to the method and the system, the problem that a manual is required to be searched for fastener assembly in the past is solved; by means of the traditional mode that fastener marks depend on experience, fastener combinations are automatically and intelligently selected on the basis of a fastener database and a knowledge base, the efficiency offastener assembly design is greatly improved, the threshold of fastener assembly design is lowered, and design errors are reduced.

The invention relates to the technical field of an opening and closing mode of an open frame type generator set control box panel, in particular to a generator set control box connecting mechanism. The generator set control box connecting mechanism comprises a control box body, a control box panel, a generator set control module, a sudden stop push button, a buzzer, a power supply switch, a positioning stud, a control box panel fixing shaft, a control box door plate, a circuit breaker and a control box door lock, wherein the upper part of the front surface of the control box body is an inclined surface part; the control box panel is arranged on the inclined surface part; the sudden stop push button, the buzzer and the power supply switch are sequentially arranged at the left side of the surface of the control box panel from top to bottom; and the generator set control module is arranged at the right side of the surface of the control box panel. The generator set control box connectingmechanism has the advantages that the use is convenient; the operation is convenient and fast; and the use of a door lock for fixation when the panel is closed is not needed, so that the work efficiency is greatly improved.

A method for intelligent power distribution and drawing generation of an electric actuator comprise that following steps: 1) extracting data of an electric door need to be supplied with power in the project; 2) establishing the power database of the electric door in the existing project; 3) carrying out interactive screening of power database of the electric door; 4) filling that inventory of theelectric door interactively according to the screen content; 5) creating that distribution cabinets in batch according to the power door inventory, and realizing the distribution of the power door bydesignating the numb of spare circuits; 6) selecting that accessory specification according to the power of the electric door and filling in the list of the electric door; 7) according to that electric door inventory, generating the electric door power distribution system diagram and the internal layout diagram. The invention realizes the standardized design of the electric door for the thermal control specialty, the automatic selection of the accessories and the automatic generation of the finished product on the basis of the core data such as the electric door inventory and the power reference table, thereby improving the design efficiency and reducing the design errors.

The invention provides a ship MBD information reuse method and system, a medium and a terminal. The method comprises the following steps: judging whether MBD information has a reference view or not; when the MBD information does not have reference view, creating a reference view according to the installation attitude information of the current model; organizing MBD information based on the reference view, and adding the MBD information to the reference view to achieve reuse of the MBD information, wherein the MBD information comprises three-dimensional marking information of the current model, three-dimensional model information of the current model, construction attitude information of the current model and installation sequence information of the current model; the MBD information reusing method meeting the ship development requirement is researched by combing the construction process rules in the ship professional construction process, so that the design delivery efficiency is improved, and the ship design period is shortened; meanwhile, MBD information reuse is based on a unified data source, design errors can be reduced, information consistency is ensured, and design quality is improved.