Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

177results about How to "Reduce Design Workload" patented technology

Lithium ion battery charge state estimating method

The invention relates to a lithium battery charge state estimating method and belongs to the technical field of batteries of electric vehicles. The lithium battery charge state estimating method aims at estimating the charge state of a lithium battery under the complex working conditions of charging and discharging at different multiplying power levels through an estimation method based on a parameter time varying observer. The lithium battery charge state estimating method specifically comprises the step that a battery charge state is regarded as a state variable to be introduced into a lithium ion battery continuous model, the upper limit of hysteresis voltages is determined according to the charging and discharging open-circuit voltage, the battery hysteresis phenomenon is considered to be a first order dynamic process related to the current absolute value, a battery polarization voltage model with parameters changing along with currents and an internal resistance model with parameters changing along with currents are structured through RC rings, battery model end voltages are structured, and a nonlinear parameter time-varying battery model is obtained. The lithium battery charge state estimating method is based on a parameter time-varying lithium ion battery equivalent circuit model, the model parameters are calibrated to be a function of current multiplying power, the characteristics of the battery can be accurately expressed, and meanwhile an existing estimation method can be easily used.
Owner:JILIN UNIV

A full customization method and system for a digital-analog hybrid chip asynchronous circuit

The invention discloses a full customization method and system for a digital-analog hybrid chip asynchronous circuit. the method includes: based on a process for determining design indexes based on adigital-analog hybrid chip, establishing a digital unit library meeting a preset condition, wherein the number of the digital units contained in the digital unit library is minimum; designing a circuit schematic diagram of the digital-analog hybrid chip based on a digital unit library and a component library; and performing automatic layout and wiring on the digital circuit module of the asynchronous circuit structure by adopting a synchronous circuit automatic layout and wiring tool to obtain a layout, and performing circuit analog simulation on the layout hierarchical netlist containing parasitic parameters and the simulation model after determining that the layout meets a design rule and the layout is consistent with a circuit schematic diagram. According to the invention, the design cycle and workload of establishing the digital unit library are reduced by establishing the digital unit library with the least number of digital units; Based on a digital cell library, a synchronous circuit automatic layout and wiring tool is adopted to perform automatic layout and wiring on the digital circuit module of the asynchronous circuit structure so as to improve the wiring efficiency.
Owner:佛山中科芯蔚科技有限公司

General chassis of track robot

The invention discloses a general chassis of a track robot. The general chassis adopts a combined type chassis frame and is symmetrically provided with a left assembly and a right assembly. The chassis frame is mainly composed of a front beam, a middle beam and a rear beam and longitudinal seat body support beams arranged at the left and right ends of the front beam, the middle beam and the rear beam. The drive wheel component seat bodies in the left and right assemblies are fixed on the rear beam; a tension wheel component seat body is fixed on the front beam; and a bearing wheel component seat body and a floating wheel component seat body are sleeved and fixed on the longitudinal seat body support beams through mounting holes on the bearing wheel component seat body and the floating wheel component seat body. All used parts are simple in shape; compared with a plate-type chassis, the general chassis has the advantages of good stability, light weight and high strength and is easier to dismantle, process and assemble; and moreover, through simple dimensional adjustment of some parts and the number change of the bearing wheel component and the floating wheel component, a series of chassis different in length, height and width can be developed so as to meet the needs of robots with various sizes.
Owner:湖北三江航天红林探控有限公司

Infrared touch screen parallel scanning system using polarizing disc

A parallel scanning system of an infrared touch screen which uses polaroid sheets comprises an infrared element, infrared filter windows, corresponding drive circuits and corresponding signal processing circuits as well as a microcontroller system. The invention is characterized in that the infrared element is divided into a plurality of modules that are numbered; the infrared filter windows in front of each module are internally provided with the polaroid sheets with the same polaroid direction; the polaroid directions of the polaroid sheets in front of two neighboring modules on the same frame are reverse; the drive circuits in each module are the same; the input ends thereof after being connected in parallel are connected with the output ends of the address drive data of the microprocessor system; the module also comprises an infrared signal processing circuit; the detection signal output end of the infrared signal processing circuit is connected with the microprocessor system through a group symbol coder or directly connected with the microprocessor system. The invention divides the touch screen into a plurality of detection areas of small areas and carries out detection, thereby extensively improving the response speed of the touch screen. Besides, as the structures of the modules are the same, the design, manufacture and maintenance costs of the touch screen are reduced.
Owner:BEIJING UNITOP NEW TECH CO LTD

Indoor optimization design method and system based on BIM

The invention provides an indoor optimization design method and system based on BIM, and the system comprises: a database construction module which constructs an indoor design BIM database; a model construction module which is used for constructing an interior design BIM model according to the project interior design scheme on the basis of the interior design original model, and carrying out deepening design on the basis of the interior design BIM model; an optimization design module which is used for carrying out whole-process optimization design on the indoor design BIM model; and an outputmodule which is used for outputting related drawings and construction management information of the interior design and an achievement file of a three-dimensional visual model for production and processing of the decorative component according to the optimized interior design BIM model. The system runs through a full-design process from database construction, BIM model construction to full-processBIM model optimization for indoor design; the system integrates visual interactive design experience, design process optimization and design result optimization, has the advantages of complete systemfunctions, high optimization design efficiency and the like, and is beneficial to improving the indoor design effect and improving the indoor design quality.
Owner:广州高新工程顾问有限公司

Parameter interacted design method for five-degree-of-freedom hybrid robot

The invention discloses a parameter integrated design method for a five-degree-of-freedom hybrid robot. The parameter integrated design method comprises the following steps of: taking a working space midpoint as a reference point, taking kinematics performances as constraint conditions, and taking maximum working space volume as a target to determine scale parameters of a mechanism; taking static rigidity performances as constraints, and taking elastic kinematics performances as an optimization target to determine key structural parameters of a part; and determining parameters of a servo motor based on drive joint equivalent rotational inertia, rotation speed and rotation torque during motion along typical track. According to the parameter integrated design method disclosed by the invention, kinematics, statics and dynamics performances of the robot are comprehensively taken into consideration with the adoption of a hierarchical idea, so that integrated design of scale, structure and drive parameters can be realized. Kinematics, statics and dynamics performances, on any configuration, of the robot are mainly related to motion/force transmissibility of the mechanism, and therefore, parameters can be designed on a working space center to ensure global performances of the robot, and design workload can be greatly saved.
Owner:TIANJIN UNIV

Positive and negative pressure rapid switching control system and method for ship cabin

The invention relates to a positive and negative pressure rapid switching control system and method for a ship cabin, and the system and the method are technically characterized in that the positive and negative pressure rapid switching control system for the ship cabin is built, thereby achieving the building of a positive pressure environment and a negative pressure environment of a specific region of the ship cabin, and the automatic and rapid switching between the positive and negative pressures. By utilizing the characteristic that the air supply amount of the variable-frequency air feeder changes along with the working frequency, the requirements of different area areas and air exchange times can be met, one set of system can meet the requirements of various rooms, universality is achieved, and the design workload is greatly reduced. By adjusting the exhaust air rate of the variable-frequency exhaust fan, pressure control over a specific area is achieved, the previous adjusting mode that a fixed-frequency fan and an adjustable valve are combined is changed, an executing mechanism is omitted, the reliability of the system is improved, and the complexity of system installationis reduced.
Owner:INST OF MEDICAL SUPPORT TECH OF ACAD OF SYST ENG OF ACAD OF MILITARY SCI +2

Combined image generation method and device and combined image template generation method and device

The embodiment of the invention provides a combined image generation method, and the method comprises the steps: providing a submitting inlet of a combined image resource position and a plurality of original combined image template sets, wherein each original combined image template set comprises a plurality of original combined image templates corresponding to the same template pattern and havingdifferent original appearance attributes, each original combined image template comprises a plurality of combined image element groups and is marked with the appearance attributes of the corresponding combined image element groups, and the combined image element groups respectively consist of at least one combined image element in the same display range; receiving a combined image editing request, wherein the combined image editing request carries the identification of the submitted combined image resource position and the identification of the selected original combined image template set; adjusting the appearance attributes of all combined image elements in one original combined image template of the selected original combined image template set according to the requirements of the appearance attributes of the submitted combined image resource position, and obtaining a target combined image template; updating the combined image elements in the target combined image template with self-defined combined image elements, and obtaining a target combined image. According to the embodiment of the invention, the method saves the labor and time of a user in adjusting the combined image elements.
Owner:ALIBABA GRP HLDG LTD

Simulation method for short and long legs and foundations of power transmission tower

The invention provides a simulation method for short and long legs and foundations of a power transmission tower. The method comprises the steps of building a three-dimensional digital ground model in combination with measurement data by performing coordinate projection correction and image fusion processing on high-resolution satellite images and a digital elevation model based on a three-dimensional GIS geographic information technology; generating a terrain TIN network around a tower position on a GIS platform; generating high-precision contour line data; and drawing an accurate tower foundation section graph or tower position terrain graph. According to the method, the terrain situation of the tower position can be intuitively displayed, so that the workload of field work personnel is reduced; the high-precision contour line data is provided, so that designers can comprehensively view the tower position terrain without going to the scene; the function of configuring comprehensive short and long legs and low and high foundations of a power transmission line of a mountainous region in batches can be realized, so that the design workload is reduced and the design efficiency is improved; and an efficient and reliable simulation basis is provided for the arrangement of the power transmission line in the mountainous region, so that reliable running of a power grid is ensured.
Owner:CHINA ELECTRIC POWER RES INST +2

Dual-circular-polarization phased-array antenna array

The invention discloses a dual-circular-polarization phased-array antenna array, belonging to the technical field of antennas. The phased-array antenna array comprises a plurality of phased-array antenna array elements. Each phased-array antenna array element comprises a radiation unit with a microstrip patch, a dual-circular-polarization feed network, a capacitive loading unit and an AMC reflection floor, wherein the radiation unit comprises an upper dipole and a lower dipole, the two dipoles are distributed in a crisscross manner, the radiation arms of the dipoles are ellipses with gradual change structures, capacitive loading units are arranged at the tail ends of the radiation arms of the dipoles, the radiation unit is arranged right above the AMC reflection floor, the dual-circular-polarization feed network is a four-feed-point network, provides 90-degree or 270-degree phase difference feed for two adjacent radiation arms, and can realize left-hand circular polarization and right-hand circular polarization, the dual-circular polarization feed network comprises a bridge combination unit, and the bridge combination unit adopts a GaAs technology. According to the invention, the ultra-wideband low-profile dual-circular-polarization phased-array antenna array is realized.
Owner:成都锐芯盛通电子科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products