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

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.

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.

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.

The invention discloses a satellite on-orbit orbit predication method based on GPS measurement data. A satellite parsing ephemeris parameter model is mainly given with regard to a low-orbit near-circular satellite orbit, on-orbit predication is carried out on the ephemeris model parameters by virtue of GPS measurement information, and satellite ephemeredes with random time interval can be predicated. A simulation result indicates that the predication accuracy can achieve less than 20km with regard to near-circular orbits with distances of more than 450km; the satellite on-orbit orbit predication method based on GPS measurement data has great practicability.

The invention relates to a man-machine interactive system based on striking vibration. The system comprises a user striking module, a vibration encoding module, a control module and an interactive module, wherein the vibration encoding module converts a vibration signal into a current voltage signal to carry out data analysis according to user's striking analysis, encodes data to be a corresponding digital quantity and transmits the quantity to the control module to be analyzed and processed. The man-machine interactive system based on striking vibration can provide services for more users, well satisfies use requirements of disabled people and patients with hemiparalysis, is less affected by the interactive equipment itself and well satisfies users' task requirements.

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.

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.

The invention discloses an airport flight resource and airplane scheduling method and scheduling system. The scheduling system records the use situation of transport vehicles, maintenance points, take-off and landing runways and other resources and the position and the state of airplanes and records and updates the occupation situation of various flight resources and the position and the state of each airplane of each moment when the airport performs the flight task. The scheduling system computes and issues an action instruction according to the resource state, and each airplane performs each step of operation according to the received instruction so that the accident of airplane collision can be avoided and successful take-off and landing of the airplane can be guaranteed, and the utilization rate of various resources of the airport can be enhanced. The airport flight resource and airplane scheduling algorithm is relatively flexible, and different scheduling algorithms can be designed according to different task types so as to meet the task requirements.

The invention discloses a power line inspection system and method based on an unmanned aerial vehicle, and the system comprises the unmanned aerial vehicle, a holder which is carried on the unmanned aerial vehicle, imaging equipment which is connected with the holder, and an operation end which is used for controlling the flight of the unmanned aerial vehicle, and obtaining the image information of an electric power target through controlling the action of the imaging equipment. According to the invention, various holders and corresponding imaging equipment can be mounted according to task requirements, the inspection requirements of different tasks are met, the accuracy of anomaly judgment and the inspection efficiency can be improved through image analysis, and the inspection cost is greatly reduced.

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.

This invention relates to a method used in selecting commercial plastic sealed devices in space including selection and test, reliable computation and anti-radiation test, anti-radiation reinforcement and evaluation based on the above mentioned test result, reliable computation and anti-radiation reinforcement result, which carries out 100% un-destrctive selection tests to eliminate forepart invalid products with potential shortcomings and increases the reliability of batch products.

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.

The invention discloses a method for calibrating and compensating installation errors of a single-axis gyroscope, belongs to the technical field of installation errors of fiber-optic gyroscopes and inertial measurement devices of the fiber-optic gyroscopes, particularly relates to a method for calibrating and compensating the installation errors of a fiber-optic gyroscope in an inertial measurement device of the single-axis gyroscope, and can be applied to the technical field of assembly of the inertial measurement devices. According to the method, the installation error angles relative to allthe axial directions are measured through projection of the angular velocity caused by installation errors on a sensitive shaft, then, the height needing to be compensated is calculated according tothe size of the gyroscope, the gasket meeting the compensation requirements is machined through a feeler gauge, and the effects of reducing the installation errors and improving the measurement precision of the gyroscope are achieved.

The invention discloses a combined and separated rotor and leg type mobile operation robot centralized-distributed control method. Oriented to an independent operation work, an integrally adaptive controller is designed to deal with a grabbing problem of an unknown object for a multi-rotor flight operation robot; and a controller of the robot is designed by employing hierarchical control for a multi-leg mobile operation robot. Oriented to a cooperative operation task, based on the above independent controllers of each portion, a distributed controller is designed at the top layer of the controller, coordinative control of parameters is realized through distributed control of multiple coordination variables, interference and collision of two controllers can be avoided by employing neighborinformation, and the ground cooperative operation task can be realized. Oriented to a combination operation task, a centralized controller is designed, a combination robot is controlled by employing integral information, and operation tasks of the combination robot in processes of flight, crawling, and flight and crawling can be realized.

The invention discloses an improved predictive guidance method for RLV (reusable launch vehicle) reentry heat flux tracking, and relates to the technical field of flight guidance. According to the method, a longitudinal guidance law and a transverse guidance law in prediction correction guidance are improved, and the method mainly comprises the following steps that when the longitudinal guidance law is designed, firstly, the maximum value of the heat flow rate at the current moment is determined, and then a heat flow rate tracking compensation item is introduced into longitudinal guidance lawdesign to correct the heeling angle amplitude; in the transverse guidance law design process, geographical constraints can be effectively processed by utilizing transverse guidance logic designed by an improved artificial potential field method, and the transverse guidance logic after the reusable vehicle flies over a no-fly zone is determined by a track azimuth angle error corridor. According tothe method, the landing point precision of the aircraft can be guaranteed, and process constraints and geographical constraints in the flight process can be met.

The invention relates to the MAS task distribution field, discloses a contract network distribution method, an obtaining method, an intelligent proxy and an MAS in order to solve the technical problem that the current technology cannot guarantee that the chosen intelligent proxy has the capability to satisfy the task requirement. The method is used for a first intelligent proxy and comprises steps of receiving a task request which is published by a task publishing system, manufacturing a task invitation for bidding which contains task information on the basis of the task request, issuing a task invitation for bidding to a plurality of intelligent proxies, receiving a bidding document transmitted by at least one intelligent proxy of the plurality of the intelligent proxies, and choosing a second intelligent proxy used for finishing the first task from at least one intelligent proxy based on the invitation for bidding. The invention achieves the effect that the chosen second intelligent proxy is guaranteed to satisfy the needs of the first task.

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.

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.

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.

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.

The invention provides a task processing system and method. The task processing system comprises a determination unit, a judging unit and a processing unit, wherein the determination unit us suitablefor matching a user behavior message from a business system with one or more event tasks in a pre-established event task list when receiving the user behavior message, so as to determine whether a target event task matched with the user behavior message exists or not; the judging unit is suitable for judging whether the user behavior message accords with an effective task condition corresponding to the target event task or not when the determination unit determines that the target event task matched with the user behavior message exists; and the processing unit is suitable for adding the target event task corresponding to the user behavior message to a task progress list and executing a corresponding operation according to a condition of the task progress list when the judging unit judgesthat the user behavior message accords with the effective task condition corresponding to the target event task. The task processing system provided by the invention is capable of decreasing the development volume and is strong in universality.

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.

The invention discloses a task scheduling method. The method comprises the steps of determining task quantities of a plurality of task time periods; determining a first corresponding relationship between task skills and the number of task undertaking parties in a plurality of task time periods at least according to the task amount; and determining a third corresponding relationship among the plurality of task undertaking parties, the plurality of task skills and the plurality of task time periods at least according to the first corresponding relationship and a second corresponding relationshipbetween the task undertaking parties and the task skills. By adopting the processing mode, the working time can be reasonably arranged for hundreds of task undertaking parties, so that the task requirements can be completely covered as much as possible, flexible labor is realized, the task requirements with relatively large dynamic change amplitude are met, and task scheduling processing of a fine time granularity level and a task skill level is realized; therefore, relatively low labor cost and relatively high worker satisfaction can be effectively considered, that is, the reasonability of task scheduling can be effectively improved, and the labor management performance is improved.

The invention provides a performance requirement-based juxtaposition cloud service system, comprising a computing cluster and a juxtaposition module, wherein the computing cluster includes at least one physical node; and the juxtaposition module constructs at least one virtual machine on the at least one physical node according to a preset parameter, hardware parameter of each physical node and a preset virtual machine construction command. The invention also provides a construction method of the performance requirement-based juxtaposition cloud service system. The virtual machine can be distributed to the plurality of physical nodes in a plurality of manners according to the preset virtual machine construction command so that the performance of the virtual machine meets the task requirement of a user and the user arranges the virtual machine flexibly and efficiently.

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.

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.

The invention provides a data archiving method and device, and the method comprises the steps: collecting data, setting a task identifier and a timestamp for the collected data, forming archived data,wherein the data comprises graph type data, date type data, video type data, audio type data and text type data; according to the task identifier and the timestamp, auditing the archived data by utilizing an auditing condition, the auditing condition comprising a data size and a data format; and after the data auditing is finished, marking whether the data passes the auditing or not, and storingthe marked data in a database. According to the method, the data needing to be accessed is subjected to instruction auditing by utilizing the auditing condition, so that the data quality is ensured, the data archiving method is improved and supplemented, and the management of the archived data is facilitated.

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.

The invention discloses a method, system and device for allocating tasks in an edge computing network and a storage medium. According to the method for distributing the tasks in the edge computing network, on the premise that constraint conditions are met, the number of the successfully distributed tasks in the edge computing network is maximum; the task is allocated to the edge node which is mostlikely to be completed; all the edge nodes can meet the task requirements and improve the efficiency of the edge computing network; meanwhile, the method fully considers the precondition that resources in the edge computing network are limited, meets the QoS (Quality of Service) requirements of tasks completed in the edge computing network, can effectively improve the number of tasks to be completed in the edge computing network, balances the load of edge nodes, and effectively utilizes the resources in the network. The method is widely applied to the technical field of Internet of Things.