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

67results about How to "Satisfy mission requirements" patented technology

Underwater working robot

The invention discloses an underwater working robot which is characterized by mainly comprising a vehicle body module, a manipulator module or/and an underwater camera module, a functional component module and a control module, wherein the modules are completely isolated mechanically and electrically; the vehicle body module mainly comprises a six-wheel and six-drive sealing vehicle body, a vehicle body direct current servo motor, a vehicle body motor driver, a vehicle body underwater ultrasonic sensor, a vehicle body temperature pressure sensor, an underwater lighting lamp, a vehicle body waterproof plug, a vehicle body inflating valve and a vehicle body anti-radiation lead plate; the manipulator module mainly comprises a base, a waist part, a large arm, a small arm and a tail end executer; the base, the waist part, the large arm and the small arm are connected with one another through hollow joints; air is filled into a manipulator, and wires are arranged in the manipulator; the underwater camera module mainly comprises an underwater camera, an underwater camera lighting lamp and a bidimensional tripod; the functional component module mainly comprises a storage box, an underwater dust remover and an underwater cutter; and the control module mainly comprises a main control console and a hand-control box.
Owner:HEBEI UNIV OF TECH +1

Combination type high-altitude precise aerial delivery system

The invention relates to a combination type high-altitude precise aerial delivery system, which is composed of a controllable parafoil aircraft assembly, a detachable power assembly and a detachable round parachute assembly. After being delivered in high altitude, the system is controlled autonomously and lands on a destination safely and precisely. When both the flying environment and the landing environment are good, the controllable parafoil aircraft assembly is only used to execute a task, thus, the flying weight of the system is lightened, and the system is simplified. The controllable parafoil aircraft assembly and the detachable power assembly are combined, thus, the system can be applied to a severe flying environment; furthermore, the flying delivery distance can also be prolonged. The controllable parafoil aircraft assembly and the detachable round parachute assembly are combined, thus, the round parachute can be opened when the system reaches a low-altitude airspace of a landing point to realize ease landing, and, the system can be applied to a severe landing environment. The controllable parafoil aircraft assembly, the detachable power assembly and the detachable round parachute assembly are combined, thus, the system can be applied to the severe flying environment; the flying delivery distance can be prolonged; furthermore, the system can be applied to the sever landing environment to realize the ease landing. The system disclosed by the invention is multifunctional and wide in application range.
Owner:CHINA PRECISION ENG INST FOR AIRCRAFT IND AVIC

Electric pump conveying system for solid-liquid rocket engine

ActiveCN107237703ASatisfy flow pressureSatisfy delivery pressureRocket engine plantsGas cylinderSolenoid valve
The invention discloses an electric pump conveying system for a solid-liquid rocket engine. The electric pump conveying system comprises a high-pressure gas bottle and a storage box. The high-pressure gas bottle is connected with a storage box through a first pipeline. The storage box is connected with a thrust chamber through a second pipeline. A pressurizing one-way valve, pore plates, gas path high-speed electromagnetic valves, a storage box exhaust hand valve and a safety valve are mounted on the first pipeline. A filling-discharging hand valve, a diaphragm valve, a pump, a flow adjusting valve and a liquid path high-speed electromagnetic valve are mounted on the second pipeline, wherein the pump is connected with a motor. By controlling opening and closing of the gas path electromagnetic valves, the pressure of the storage box is adjusted to meet the task requirement; when the pressure of the storage box exceeds the break valve of the diaphragm valve, the diaphragm valve breaks; and oxidizing agents in the storage box are pressurized through the pump driven by the motor after passing through the diaphragm valve, and then the flow of the oxidizing agents is controlled through the flow adjusting valve, after the liquid path high-speed electromagnetic valve is opened, the oxidizing agents are supplied to the thrust chamber according to the flow and pressure of task requirements. The electric pump conveying system is especially suitable for a solid-liquid rocket engine on a small carrier rocket.
Owner:BEIHANG UNIV

Shooting guiding type dynamic detection system for wind power blade defect of unmanned aerial vehicle and method thereof

The invention discloses a shooting guiding type dynamic detection system for a wind power blade defect of an unmanned aerial vehicle. The detection system comprises a global blade motion measurement system, a local unmanned aerial vehicle station blade damage detection system, an information processing analysis and control system, and a field comprehensive support and support system. In addition,the invention also discloses a detection method based on the system. Camera calibration is carried out; the global measurement system collects an image of the rotating blade, full-field displacement and strain information of the blade is obtained, and the contour of the rotating blade is extracted; short-distance local observation of the unmanned aerial vehicle is controlled and planned, high-resolution images of local areas of interests of the blade at different positions under different stress states are obtained; and artificial or semi-automatic fault detection analysis is performed according to the displacement of the feature points on the blade and image changes. The detection process is stable; the high-precision detection of the global and local surfaces of the large-scale wind power blade is realized; the detection efficiency is high; the functions are diversified; the system is easy to control; and lots of manpower is saved.
Owner:NAT UNIV OF DEFENSE TECH

Distance zero-value calibration method and system based on integration of measurement, control, and data transmission

ActiveCN107797098AExactly equal launch delaysSatisfied and effectiveWave based measurement systemsRadio transmissionData transmissionRadio frequency
The invention discloses a distance zero-value calibration method and system based on integration of measurement, control, and data transmission. The method comprises: determining a reset pulse per second according to a system clock, a spread spectrum pseudo code frequencies of a non-coherent spread spectrum system, and a symbol rate of a measurement, control, and data transmission integration system after high-speed transmission frame coding; on the basis of the reset pulse per second, determining an uplink time enabling pulse of the non-coherent spread spectrum system and an uplink time enabling pulse of a high-speed transmission frame; and carrying out accurate alignment on the uplink time enabling pulse of the non-coherent spread spectrum system and the uplink time enabling pulse of thehigh-speed transmission frame to enable transmitting delays of ground station equipment to be equal, and realizing distance zero-value separation of a responder by using a zero calibration frequencyconverter. Therefore, a problem that the distance zero values of the responder can not be separated directly when the uplink and downlink radio-frequency characteristics are different is solved; and the effective, simplified, and reliable task requirement of the distance zero value separation method is met.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Micro-nano satellite attitude and orbit integrated control method of MEMS solid micro thruster

The invention discloses a micro-nano satellite attitude and orbit integrated control method of an MEMS solid micro thruster. The method comprises the steps of 1), performing micro-nano satellite relative movement modeling: according to a plurality of micro-nano satellite formation characteristics and earth observation and inter-satellite fault detecting tasks, analyzing an orbit task restraint; 2), performing micro-nano satellite orbit attitude integrated control: according an attitude and orbit integrated control requirement and a micro-nano satellite movement characteristic, performing orbitattitude integrated control by means of a resultant action of the solid micro thruster with a circular topological structure through a satellite mass center direction; 3), establishing a micro-nano satellite thruster dynamical model, and analyzing an igniting sequence optimized model of the micro thruster; and 4), establishing an igniting program of the solid micro thruster, namely according to a0-1 integer programming method, establishing the igniting program of the solid micro thruster. Through designing the igniting combination, a momentum required for attitude and orbit maneuver is supplied for the micro-nano satellite, thereby realizing attitude orbit transfer and satisfying a task requirement.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Rope-driven mechanical finger and manipulator with same

InactiveCN109262603ASimplify the structure of the manipulatorReduce overall weightProgramme-controlled manipulatorGripping headsDrive motorManipulator
The invention relates to a rope-driven mechanical finger, comprising a base, a rope driving device, a first finger segment, a second finger segment and a third finger segment. The base, the first finger segment, the second finger segment and the third finger segment are coaxially and serially connected in sequence. Each finger segment includes an upper platform, a lower platform, a center supportmechanism and a plurality of springs, two ends of the center support mechanism are fixed to the center of the upper platform and the center of the lower platform respectively, the center support mechanism can bend and rotate, and the springs are distributed evenly between the upper platform and the lower platform outside the center support mechanism. The rope driving device includes a traction rope, a winding wheel and a driving motor, the driving motor and the winding wheel are fixed to the base, the winding wheel is coaxially connected with an output shaft of the driving motor, the tractionrope is passed through the springs of the first, second and third finger segments, the first end of the traction rope is fixed to the upper platform of the third finger segment, and the second end ofthe traction rope is connected with the winding wheel. The rope-driven mechanical finger has small rotational inertia and high transmission precision and can bend continuously.
Owner:YANSHAN UNIV

An image parallel compression apparatus and method

ActiveCN109040759AImprove real-time processing speedMeet the mission requirements of high-speed data transmissionDigital video signal modificationParallel compressionErrors and residuals
The invention relates to an image parallel compression device and a method. Image data is divided into multiple of 5 blocks, and after the arrival of a clock, one pixel of the m-th image block is sentto the remainder of m / 5 receiving modules . The predictor module transmits the original pixel value X and the predicted pixel value (shown in the description) to the error calculation module. The error calculation module calculates a difference between the original pixel value X and the predicted pixel value (shown in the description) and sends the difference to a quantization module. The quantization block calculates | Rc-Rb|+|Rc-Ra |, and quantizes and sends the quantized value to an encoding module. The encoding module encodes the quantized value and sends it to an overflow processing module. The output processing module judges whether overflow occurs in the quantization process, and outputs an encoding if no overflow occurs; and outputs encoding and overflow encoding if overflow occurs. The remote sensing image parallel compression method based on pipelining provided by the invention has the characteristics of less hardware overhead and high processing speed, strong applicability, easy engineering realization, stability and reliability, and obvious advantages in the application of the design method in the aerospace field.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Production line scheduling system and method based on multiple intelligent bodies

ActiveCN111898908AReduce couplingGuaranteed independent operation abilityResourcesTotal factory controlResource informationComputer science
The invention belongs to the related technical field of production scheduling, and discloses a production line scheduling system and method based on multiple intelligent bodies. The production scheduling system comprises a global management module, a controller intelligent body and a sub-controller intelligent body, and the global management module is a manager of the highest level in the production scheduling system and has the highest management authority; the controller intelligent body is the core of the production scheduling system and comprises a resource module, a planning calculation module and a task management module, and the resource module is used for storing resource information of the sub-controller intelligent bodies; the planning calculation module decomposes the task and sends the task to the task management module; the task management module sorts the decomposition tasks according to a priority sequence and then distributes the decomposition tasks to the sub-controller intelligent bodies; and the sub-controller intelligent body is used for executing the task sent by the task management module. According to the invention, the independent operation capability of theintelligent body is ensured, and the working efficiency and management capability of the scheduling system are improved.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Task drive oriented reconfigurable satellite constellation network access decision-making method and system

The invention relates to a task drive oriented reconfigurable satellite constellation network access decision-making method and system. The method comprises the steps of sensing and receiving a task;judging whether the task is unique or not; directly judging whether an alternative satellite satisfies a function required by the task or not if the task is unique; further judging priorities of the new task and a currently performed task if the alternative satellite satisfies the function; accessing a new network if the priority of the new task is higher, otherwise, discarding the new task; and judging the priorities of a plurality of tasks when the task is not unique, then carrying out function judgment and judging whether to access the network or not. According to the method and the system,when network access decision-making is carried out, features of the task itself, attributes of the alternative satellite itself and the attributes of an environment in which the satellite is locatedare taken into consideration, so the constellation satellite matches the task well; the networking cost is low; additional communication system modification is avoided; the universality is high; and anetworking demand of the existing satellite is also taken into consideration, so the compatibility is high.
Owner:XINJIANG LIANHAI INA INT INFORMATION TECH LTD

Intelligent attitude and orbit control system based on air-breathing electric propulsion

The invention discloses an intelligent attitude and orbit control system based on air-breathing electric propulsion, and belongs to the field of spacecraft attitude and orbit control. The system is composed of an atmosphere absorption module, an intelligent adjustment module, an attitude and orbit control module, an energy supply module, an attitude execution module and a resistance compensation module. Atmospheric molecules in an orbit space are absorbed as a working medium, and then working medium supply is adjusted through the intelligent adjustment module according to the actual working medium flow rate requirement so as to support a pulse plasma thruster in the attitude execution module to carry out attitude adjustment and support a Hall thruster in the resistance compensation moduleto carry out resistance compensation and orbit transfer work. Solar panels are attached to the periphery of the system, and charging is conducted by absorbing solar energy so as to provide electric energy for all parts needing electric energy in the system. The system has the advantages that under the condition that a satellite carries a small number of working medium or even does not carry the working medium, absorbed atmosphere serves as the working medium to support various thrusters to carry out attitude adjustment and orbit transfer tasks, and working medium waste is avoided through intelligent adjustment.
Owner:NAT UNIV OF DEFENSE TECH

Space application-oriented vision measurement system ground simulation evaluation system and method thereof

ActiveCN109781068AAccurate estimation of relative motion limit stateSatisfy mission requirementsPhotogrammetry/videogrammetrySolar simulatorEnvironmental simulation
The invention discloses a space application-oriented vision measurement system ground simulation evaluation system and a space application-oriented vision measurement system ground simulation evaluation method. The system comprises a camera, a visual marking, an electronic theodolite three-dimensional measurement system, a six-degree-of-freedom digital display adjusting table, an LED lamp array and a solar simulator. The method comprises the following steps that the solar simulator and the LED lamp array simulate space illumination conditions, the six-degree-of-freedom digital display adjusting table fixedly supports the visual marking and drives the visual marking to move at a constant speed, the camera collects a visual marking image and outputs a pose measurement value, the electronic theodolite three-dimensional measurement system obtains a pose truth value between the camera and the visual marking, and the measurement value is compared with the truth value to evaluate the pose measurement precision of the camera. The methods involve extreme illumination environment simulation, extreme motion state estimation and pose measurement precision estimation of the camera. According tothe space application-oriented vision measurement system ground simulation evaluation system and the method thereof, the three-dimensional attitude measurement precision of the space target by the camera in the on-orbit state and the robustness of the camera when the target is in the extreme motion state can be comprehensively simulated and evaluated.
Owner:BEIJING INST OF SPACECRAFT SYST ENG

A distance zero value calibration method and system based on the integration of measurement, control and digital transmission

ActiveCN107797098BExactly equal launch delaysSolve problems that cannot be directly separatedWave based measurement systemsRadio transmissionTransverterGround station
The invention discloses a distance zero-value calibration method and system based on integration of measurement, control, and data transmission. The method comprises: determining a reset pulse per second according to a system clock, a spread spectrum pseudo code frequencies of a non-coherent spread spectrum system, and a symbol rate of a measurement, control, and data transmission integration system after high-speed transmission frame coding; on the basis of the reset pulse per second, determining an uplink time enabling pulse of the non-coherent spread spectrum system and an uplink time enabling pulse of a high-speed transmission frame; and carrying out accurate alignment on the uplink time enabling pulse of the non-coherent spread spectrum system and the uplink time enabling pulse of thehigh-speed transmission frame to enable transmitting delays of ground station equipment to be equal, and realizing distance zero-value separation of a responder by using a zero calibration frequencyconverter. Therefore, a problem that the distance zero values of the responder can not be separated directly when the uplink and downlink radio-frequency characteristics are different is solved; and the effective, simplified, and reliable task requirement of the distance zero value separation method is met.
Owner:XIAN INSTITUE OF SPACE RADIO TECH

Distributed comprehensive reconfigurable electronic system platform architecture

ActiveCN114697321ASupport scrollingSupport iterative developmentTransmissionArchitecture with single central processing unitCrossbar switchComputer architecture
The distributed comprehensive reconfigurable electronic system platform architecture disclosed by the invention has the characteristics of high safety, reconfigurability and growth capability. According to the technical scheme, each minimum particle unit is combined with a cross-packet switching device and is organized together through a plurality of point-to-point communication links, so that any interconnection and concurrent transmission among all chips or modules are realized; wired/wireless network communication is carried out between the core node unit and each minimum particle unit based on a TTE Ethernet protocol to form the minimum particle units and the core node unit, information interaction and resource sharing are realized through wired/wireless communication units on respective network switching modules, and an open Switch Fabric comprehensive electronic integrated system is formed; the core node unit serves as a management and control center of the integrated electronic system platform, dynamically loads service reconstruction according to a task instruction of an upper computer, and performs network communication and data distribution based on an open function application service interface.
Owner:10TH RES INST OF CETC

Control circuit for semi-automatic assembling and detecting device

PendingCN111505967AMeet step-by-step control needsWith interlock functionProgramme control in sequence/logic controllersControl engineeringElectric machinery
The invention discloses a control circuit for a semi-automatic assembling and detecting device. The control circuit comprises a measuring and pressing control circuit, a driving motor control circuit,a straightening and clamping control circuit and a straightening control circuit. The measuring and pressing control circuit controls the extension and retraction of an air cylinder rod of an air cylinder I, and the driving motor control circuit controls the start and stop of a motor; the straightening and clamping control circuit controls the cylinder rods of a second air cylinder II and an aircylinder III to stretch out and draw back synchronously, and the straightening control circuit controls the start and stop of an electric cylinder. The invention provides the control circuit capable of meeting the assembling and detecting device, the control requirements of a step-by-step process device can be met, and a detection-straightening-detection cyclic control function is achieved; the sub-circuits are independently circulated to complete the independent control over the corresponding action units; and meanwhile, the sub-circuits have an interlocking function, so that workpieces can be prevented from being damaged in a misoperation state, and the task requirements for scientific research can be better met.
Owner:CHINA NUCLEAR TIANJIN TECH DEV
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