160results about How to "Achieve reproduction" patented technology

The invention discloses a robot motion control system, relates to the technical field of robot motion control, and aims to solve the problems of poor universality, poor extensibility and poor system openness existing in the existing robot motion control system. A control terminal subsystem comprises a human-computer interaction interface and a working thread module; a server terminal subsystem comprises an instruction interpreter, a server and an interaction module; a user transmits an operation instruction through the human-computer interaction interface; the operation instruction is converted into an instruction which can be recognized by the instruction interpreter by using the working thread module and is transferred to the instruction interpreter through network; the instruction interpreter is used for converting the received instruction into a joint path command by calling MoveIt ! and releasing on a node of an ROS (Read Only Storage) server; a PMAC (Programmable Multi Axis Controller) interconnection module receives the joint path command from the ROS server and converts into a motion control instruction through a PMAC communication protocol and transfers to PMAC through network. The system has higher modularization degree and extremely strong universality and can be compatible with various multi-degree-of-freedom series robots.

The invention discloses a berry phase metasurface-based multi-plane holographic multiplexing method, and belongs to the field of micronano optical and holographic multiplexing application. The berry phase metasurface-based multi-plane holographic multiplexing method comprises the steps of achieving phase recovery by a 3D-Fienup algorithm, taking different numerical values of reproduction positions of different images, and acquiring a computer generation holographic diagram containing all information; selecting a metal coupling polaron as a berry phase metasurface structure unit, achieving phase modulation based on a berry phase modulation principle, and enabling a polarization state to become a multiplexing path by coding a holographic phase profile conjugated with an original phase to achieve a holographic multiplexing passage selected by circular polarization; making a metasurface phase sheet for recording the computer generation holographic diagram, selecting an emergent circular polarization light orthogonal to chirality of the polarization stat, and optically reproducing a three-dimensional object or a wave surface which is recorded. The holographic multiplexing method with sub-wavelength pixel of visible light and near-infrared bands, ultrathinness, large visual angle and large capacity is provided by the invention; and moreover, the crosstalk can be effectively reduced, and the holographic multiplexing of circular polarization selectivity is achieved.

The invention relates to a humanoid-head robot and a behavior control method thereof, in particular to a humanoid-head robot device with human-computer interaction function and the behavior control method thereof, solving the problems that the prior humanoid-head robot can not completely realize the reproduction of human facial expressions, has limited perceptive function and does not have manual feeling models and the human-computer interaction function. The behavior control method comprises the following steps: a sensor perceptive system outputs perceived information to a main control computer for processing; control system software in a robot behavior control system obtains the relative control quantity of a corresponding motor according to the manual feeling models, executes a motion control instruction to output a PWM pulse by a motion control card to drive the corresponding motor to move to an appointed position and realize the human-computer interaction function and various feeling reactions of a robot; and the sensor perceptive system perceives external feeling signals, recognizes corresponding feeling signals and utilizes the manual feeling models to realize the behavior control of the robot. The invention realizes the reproduction of the human facial expressions and has anthropopathic multi-perception function, such as smell, touch, vision, and the like.

The invention relates to an all-weather on-site law enforcement recorder, pertaining to the technical field of digital audio visual technologies. The recorder is a novel electronic product used for representing a true law enforcement site and shooting to obtain evidences by law enforcement officials. The speech transmitting and receiving function is realized by connecting the recorder with an interphone by a special connecting line. The recorder comprises a shell and a circuit board fixed in the shell, wherein, the circuit board is provided with a control component and solid state software; the front side of the shell is provided with a horn, an infrared sensitive camera lens, an infrared sensitive switch, an infrared LED lamp, an infrared coated lens, a telephone transmitter microphone and a recording microphone; the back side of the shell is provided with an LED display screen and a reset switch; the two sides of the shell are provided with an externally-connected electric megaphone button, a video button, a power-on button, a shutter button, a power interface, an audio-video output interface and a USB interface; and the middle position of the lower part of the recorder is provided with an interphone connecting line jack. The recorder can attest for the normative law enforcement behavior on site, avoids the complaint of subreption, and finds the fairest eyewitness with good social and economic benefits.

The invention discloses a medical image holographic AR (augmented reality) display technology system in the medical field. The system comprises an image recognition device, a motion capture device, a man-machine interaction interface and a three-dimensional virtual image superposing system and is characterized in that the image recognition device and the motion capture device acquire a real medical image of a human body, the real medical image acquired after digital conversion is superposed with a three-dimensional virtual human body model and displayed on the man-machine interaction interface, and by means of the human-computer interface which is an interactive advanced human-computer interface of a computer, medical technicians can sense objective existence of organs and tissue morphology in the body of a real patient by combining a virtual reality system with medical images.

The invention provides an offline type dispatching operation ticket system and method based on field error prevention and simulated ticket training. The system is mainly composed of a main data server, a reserved data server, a plurality of work stations, a mobile terminal and related network equipment, and is characterized in that the main data server or the reserved data server is used for judging and processing an error prevention operation rule, sending operation alarming information to each work station at the same time, and storing historical and real-time data in a dispatching automation system OPEN3000, so that the synchronization of the data of each work station is realized; each work station is connected with the data server by a data source and needed data information is obtained and stored; the plurality of work stations comprise dispatcher work stations which are used by on-duty dispatchers and related administrative staff; the dispatcher work stations are used for finishing functions, such as simulation, checking, simulated preview, operation ticket management and information inquiry, image maintenance, of dispatching operation ticket.

The invention discloses an on-site test method for a radar speed detector. The method includes the steps of enabling a small vehicle provided with a microwave antenna matched with the radar speed detector to pass through the radiation area of the radar speed detector in the running direction of the vehicle on a road provided with the radar speed detector, finding the point with the maximum power and the points with the power 3 dB lower than the maximum power, measuring a physical included angle alpha between the radar speed detector and the running vehicle, an angle alpha 1, generated when the vehicle enters one of the points with the power 3 dB lower than the maximum power, between the radar speed detector and the running vehicle, an angle alpha 2, generated when the vehicle leaves the other point with the power 3 dB lower than the maximum power, between the radar speed detector and the running vehicle, and the distance L between the position where the vehicle enters the one of the points with the power 3 dB lower than the maximum power and the position where the vehicle leaves the point with the power 3 dB lower than the maximum power, measuring the microwave transmitting frequency of the radar speed detector to obtain the error of the microwave transmitting frequency of the radar speed detector, imputing alpha 1, alpha 2, L and a speed to be detected into a moving target speed simulation device, and detecting the speed error of the radar speed detector through the moving target speed simulation device. The on-site test method is high in safety performance, high in accuracy and high in stability, and enables data to reappear, work pressure of technical staff is reduced, and work intensity of the technical staff is lowered.

The present invention relates to a wind tunnel for researching snow drift. The wind tunnel comprises a cave body, an environment simulation device arranged inside the cave body, a measurement controlsystem and a driving device. Through an installation rod movably arranged in the cave body, an installation plate which is provided with a spraying head is connected, and the translation and rotationof the installation plate are realized. Through the movable installation plate and a fan set arranged in a matrix, the simulation of a complicated snowfall field and a complex wind field can be realized, thus the relation between a building roof structure and building distribution in a building group and the snow drift under a wind field effect is researched, and wind tunnel plays a guiding role in architectural design and urban planning in an area with heavy snowfall.

Provided is a signal processing method which can enhance the resolution of a spectrum round off by quantization and compensate energy of a spectrum truncated to zero by quantization so as to achieve reproduction without dissatisfaction or uncomfortable feeling. The selecting circuit selects a plurality of coefficients from coefficients of a frequency band of a dequantized acoustic signal. The computing circuit then computes an interpolation coefficient of a coefficient, which is not selected by the selecting circuit, by an interpolation method such as a Lagrange's interpolation method or a spline interpolation method which uses the plurality of coefficients selected by the selecting circuit.

The invention provides a method for realizing digital twin modeling of an automatic circuit breaker assembling workshop, and the method comprises the following steps: collecting the actual relevant information of a circuit breaker production line, and constructing geometric models of mechanical equipment and parts thereof in a circuit breaker production line; obtaining an actual logic matching relation between each mechanical device and parts thereof, and performing hierarchical relation modeling and optimization on the geometric model of each mechanical device and parts thereof to obtain a motion logic model of each mechanical device and parts thereof; performing motion control on motion logic models of all mechanical devices and parts of the mechanical devices, and introducing digital twin scene motion simulation to achieve virtual and actual synchronization. According to the implementation of the invention, by constructing a digital assembling workshop which performs full-size virtual mapping to a real circuit breaker assembling physical workshop, the full-size, full-action form and full-physical logic representation of a physical environment and a virtual scene is realized, thereal-time operation level of the circuit breaker assembly workshop is significantly improved, and the transparency degree and management level of the workshop are enhanced.

The invention provides a marsh gas biological desulphurization energy-saving method, which relates to a marsh gas desulphurization method. The invention solves the problems that the biological desulphurization process in the prior art is not easy to control, the conditions and requirements are harsh, and sulfureted hydrogen can be easily and directly converted into sulfur oxides by germs, so the sulfur oxide can not be easily discharged from a system. The method comprises the following steps of: 1. adding thiobacillus denitrificans and nitrobacteria into nutrient fluid, then spraying the nutrient fluid onto filling materials and culturing the filling materials until biomembranes are formed; and 2. completing the process after the marsh gas is in contact and reacts with the biomembranes. The biological desulphurization energy-saving method in the invention is easy to control, has slack condition requirements and solves the problem that the sulfureted hydrogen can be easily and directly converted into the sulfur oxides by the germs to be released to the marsh gas again, the desulphurization efficiency can achieve higher than 95 percent when the sulfureted hydrogen content in the marsh gas is between 1000 and 4000mg/L, in addition, elemental sulfur can be recovered, the thiobacillus denitrificans and the nitrobacteria are symbiotic systems, the self-sufficiency effect is realized basically through the marsh gas, and the energy-saving effect is realized.

The invention relates to a lattice coding file generation method. The lattice coding file generation method comprises steps of calling a primary file; identifying the primary file and obtaining the area/number of pages of the needed lattice resource; obtaining the lattice resource from a database in dependence on the area/number of pages; and loading the lattice resource to the primary file and generating a lattice coding file. When the lattice coding file generated through the lattice coding file generation method is identified by a lattice identification device, the movement locus of the identification device can be displayed accurately, writing notes on the file can be digitally stored and reproduced in real time, and the lattice coding file generation method is simple to implement and high in efficiency.

An ultrasonic test machine scanning device for welding seam of pipe node , comprising scanning rail, stepper motor, sliding rod, sliding ring and holding ring of detector, whose characteristics is that the scanning rail is fixed by surrounding the branches of TKY pipe and it is vertical to the axial line direction of the branches, the stepper motor is installed on the scanning rail, holding ring of detector is fixed on the branches and the is fixed on the sliding rod, touching with holding ring of detector by ball. The invention has simple structure, convenient operation, accurate measuring result.

The invention relates to a method for synthesizing a seismic motion field by applying a support vector machine, principal component analysis and a particle swarm algorithm in machine learning. The method comprises the following steps: step 1, extracting a seismic oscillation mother wave from existing domestic seismic oscillation data by applying a principal component analysis method; step 2, establishing a ground motion prediction model by applying a support vector machine algorithm, and verifying the correctness of the model; and step 3, matching the reaction spectrum Sa (T) of the synthesized seismic oscillation with the reaction spectrum Sa * (T) obtained through the prediction equation, i.e., when the value of S is minimum, obtaining a group of coefficients ki, i.e., the solution of the synthesized seismic oscillation. A machine learning theory is introduced into a synthetic seismic oscillation method, the original seismic oscillation information can be reserved, the problem that some important seismic oscillation information can be ignored when a random seismic oscillation simulation method is applied in the past is avoided, the method has good inclusivity to measured data, seismic giant disaster situation scene reproduction can be well achieved, and the method has a good application prospect.

There are provided a blue color composition for color filter, a color filter, and a color image display device capable of realizing an image of high purity. A color image display device is formed by a combination of an optic shutter, a color filter having at least three color elements: red, green, and blue corresponding to the optic shutter, and a backlight for transmission lighting. The backlight includes an LED in its structure. When the wavelength of the visible light range 380 to 780 nm for each 5 nm is lambdannm, the spectral transmittance (%) at the wavelength lambdannm by the red color pixel of the color filter is T(lambdan), and the relative light emission intensity normalized by the entire light emission intensity at the wavelength lambdannm from the backlight is I(lambdan), these satisfy the condition (1) as follows: I(620 - 680) x T(620 - 680) >= 1.1(1).

The invention relates to an image file processing system which comprises an image display module, a map display module, an information input module, an information writing module, a trajectory generating module, and a trajectory sharing module for implanting and sharing address information in image files. The image file processing system has the advantages that a simple and convenient system is provided for the image files lacking the address information, the images are combined with map information to reflect growth, travelling and living trajectories of a person or a colony, and the trajectories can be shared and serve as the faithful growth records of oneself.

The invention discloses an AR immersion type travel guide method, which comprises the steps: identifying and judging a current environment type, and selecting a human body image to be constructed according to a preset rule and the environment type; performing non-contact automatic measurement of a three-dimensional simulated human body surface contour through a 3D human body scanning technology according to the human body image to be constructed to synthesize a three-dimensional human body image; and displaying the synthesized three-dimensional human body image through AR equipment. The invention further discloses an AR immersion type travel guide device. According to the AR immersion type travel guide method, the historical character three-dimensional scenes are synthesized and presentedby utilizing the AR technology, so that the technical problem that the historical scenes in the scenic spot cannot be reproduced to the tourist is solved, and the historical scenes can be reproduced when the tourist visits the scenic spot, so that the tourist experience is improved; by adding voice recognition and action interaction functions, the experience feeling of tourists is further improved; and the motion track is identified and displayed by capturing the action of the tourist in the current environment, and then the experience feeling of the tourist is further improved.

The invention discloses a mobile network signaling monitoring method based on kernel density distribution. The method comprises steps as follows: original signaling data of a mobile data service network are acquired; a preset IMSI (international mobile subscriber identity) filter principle is acquired, and the acquired original signaling data are filtered according to the IMSI principle and then are inserted into a mobile network data table; text description corresponding to each network action code is acquired, and user alias name corresponding to each IMSI is acquired simultaneously; for each area, residence time of each user in the area is counted, and each residence time is sampled; a first quartile of each collected residence time sample is calculated and taken as a statistical interval, the samples are progressively increased according to the statistical interval, and the kernel density distribution is calculated. According to the method, pseudo base-stations for polices are not required to be configured, overall monitoring, track reproduction and real-time position tracking can be realized, further, through calculation of the kernel density distribution, residence users can be conveniently filtered out, the calculation amount is reduced, higher rapidness and accuracy are achieved, and the method can be widely applied to the field of signaling monitoring.