42results about How to "Improve immersion effect" patented technology

The invention discloses a children cognitive system based on augment reality technology and a cognitive method. The children cognitive system based on the augment reality technology comprises an image information input module, an image information matching module, a drawing model module and a voice recognition module. A set of recognition identifications are developed through interfaces of an ARToolkit augment reality development kit, a Microsoft Speech SDK voice recognition engine, a 3D max modeling tool and the like, and a children cognitive platform performs simple interaction with a virtual scene in a computer through voice recognition. Operations like moving, amplifying and contracting a model are achieved through OpenGL image processing technology and 3D modeling technology. The children cognitive system based on augment reality technology and the cognitive method have the advantages of being short in development cycle, good in maintenance, good in portability and easy to modify. In addition, a user can use the cognitive system based on augment reality technology and the cognitive method to write a literary handbook, good learning effect is achieved, and the cognitive platform which is strong in interaction is provided for a child to use an augment reality application system.

The invention relates to a three-stage brain-controlled upper limb rehabilitation method combining steady-state visual evoked potential and mental imagery (MI). The method comprises the following steps: (1) the first stage of VR video guidance training: a patient is made to be familiar with upper limb rehabilitation movements through VR video guidance; (2) the second stage of VR-SSVEP training: the patient needs to concentrate to observe pictures that represent different upper limb movements and flicker with a specific frequency, EEG signals of the patient are collected in real-time to analyzeintentions of the patient, and visual feedback is provided to the patient through VR animation to make the patient learn to concentrate; and (3) the third stage of VR-MI training: EEG signals of theleft and right upper limbs of the patient during MI are collected during off-line training, and a mental imagery intention recognition model is established. The EEG signals of mental imagery of the patient are analyzed according to the model during online training, movement intentions of the patient are recognized, and movements of a 3D character in an interface are controlled in real time, so that brain central nerve remodeling is facilitated through MI. The method exhibits a good immersion property, enables active rehabilitation to be realized, enables rehabilitation to proceed step by step,and is a new method for upper limb rehabilitation of a cerebral stoke patient.

A driverless automobile virtual test platform comprises a driverless simulation system, a virtual driverless test automobile, a data management module, a simulation control module and an interface calling module. The driverless simulation system is used for simulating the driving process of the driverless vehicle in the virtual environment according to the test requirement of the user on the virtual driverless test vehicle. The data management module is used for managing an automobile model and a scene model in the virtual test platform and comprises a test scene database, an automobile modeldatabase and a simulation control database. The simulation control module is used for binding corresponding motion parameters to the automobile model and establishing an unmanned virtual automobile dynamic model. The interface calling module comprises a system interface, a vehicle model switching interface, a scene switching interface and a parameter display interface. On the premise that the performance of the pilotless automobile is not affected, field testing is partially replaced, method and theoretical guidance are provided for field testing, the development period is shortened, and fundsare saved.

The invention discloses a multifunctional wood inflaming retarding agent and a method for preparing smoke suppressing and inflaming retarding pinus sylvestris solid wood by utilizing of the multifunctional wood inflaming retarding agent, and relates to the multifunctional wood inflaming retarding agent capable of antiflaming, suppressing smoke and preventing running off and a technique for processing the pinus sylvestris solid wood by utilizing the antiflaming and smoke suppressing properties of the multifunctional wood inflaming retarding agent. To solve the problems that the pinus sylvestris solid wood is rich in grease and can not be immersed easily, the flame retardation property of an existing wood inflaming retarding agent is single, and antiflaming components are easy to run off, the wood inflaming retarding agent comprises, by weight, 22-56 parts of phosphoric acid amidinourea, 15-25 parts of boric acid, 24-56 parts of water-solubility ammonium polyphosphate, 1-5 parts of ammonium molybdate and 20-45 parts of silica sol. The preparation method of the inflaming retarding and smoke suppressing pinus sylvestris solid wood comprises the following steps. Firstly, the microwave process is carried out on the dried pinus sylvestris solid wood. Secondly, the pinus sylvestris solid wood is placed in inflaming retarding liquid to be pressurized and immersed in a vacuum mode. The dried inflaming retarding and smoke suppressing pinus sylvestris solid wood has a good smoke suppressing property, the smoke suppressing effect and anti-running-off property are obvious.

The invention discloses an attention training system based on virtual reality. The attention training system comprises a brain wave music playing module, an eye tracker calibration module, an evaluation module, an eye movement data acquisition module, an electroencephalogram data acquisition module, a data processing module, an automatic training module and a report module. VR is adopted, countless spaces and various styles of scenes can be virtualized, and children can focus attention more easily. Due to the immersion and imagination of VR, children can be better immersed in the training game. In a VR environment, a child focuses on an object through an eye tracker, watches the object and focuses on the object within a specified time, and the object is moved to a specified position; children can directly focus on attention and focus on attention by watching an object with eyes. According to the invention, the efficiency of restoring training scenes, clearing scenes and configuring scenes by doctors can be greatly reduced, and the working intensity of doctors is reduced.

The invention belongs to the technical field of building materials, and specifically relates to a modified material and treatment method of a low-quality aggregate. The modified material of the low-quality aggregate provided by the invention comprises the following components in percentage by mass: 46-50% of cement, 10-15% of a mineral admixture, 2-5% of an active powder, 0.2-0.6% of a water reducing agent, 0.001-0.004% of a viscosity adjusting agent, 0-3.2% of an expanding agent, 0-0.12% of an air entraining agent, and 0-0.0007% of a defoaming agent. The modified material provided by the invention can realize effective filling and coating modification of the low-quality aggregate through the cooperation between the components, and the adjustment of the use amount, and especially through the cooperation of the specific use amount of the cement, active powder and viscosity adjusting agent, the surface tension and viscosity of the modified material can be effectively adjusted, and a porepenetration amount and a shell coating thickness are coordinately optimized. The combined use of the inorganic and organic components promotes the secondary hydration / chemical bonding of a slurry layer, and improves the strength of an interface between the aggregate and the slurry layer. The cylindrical compress strength of the aggregate after modification treatment is increased by 40% or more, acrushing value is reduced by 30% or more, and a water absorption rate in 24 h is reduced by 15% or more.

The invention provides a preparation method of ultraviolet-proof covering yarn. The covering yarn is blended by polyester fiber and modified linen fiber, has good ultraviolet-proof performance and also has the advantages of being light and good in draping and the like. The whole production process does not use a great quantity of chemical agent, does not cause large burden on environment and is an environment-friendly novel fiber preparation method.

An elongate hollow structure such as a pipe (10) and a method of constructing such an elongate hollow structure. The pipe (10) comprises a radially inner portion (11) and a radially outer portion (13), with the two portions (11, 13) merging together to provide an integrated tubular wall structure. The method comprising: providing the radially inner portion (11) in the form of an inner tube (21) and assembling the radially outer portion (13) about the inner tube (21). The outer portion (13) comprises an outer tube (30) of fibre reinforced composite construction surrounded by a flexible outer casing (31). The inner tube (21) is expanded to give form and shape to the outer portion (13).

The present invention provides an installation structure for cementing decorated board to bath ceramic tile substrate, which is capable of preventing expansion and exfoliation caused by the immersion of water into the inner side of the decorated board when the sealant in the seam between the decorated boards is exhausted. When the decorated boards(7)are abreast bonded on the substrate(9)using both sides splicing tape(3)and elastic bonding agent(2), the decorated boards are bonded with gaps therebetween and the seam(6)is bonded with waterproof belt(1)which is larger than the gap in width, and elastic bonding agent(5)is injected into the seam(6).

The invention provides an anodizing method improving protection performance of aluminum and aluminum alloy. An anodizing solution is formed by mixing at least one of inorganic salt of sulfuric acid, sodium borate, malic acid and cerium and water according to the proportion. A voltage control manner is adopted in anodizing for anodizing treatment on aluminum or aluminum alloy materials. An anodized film layer prepared through the method is good in corrosion resistance, good in combining performance with an organic paint film and low in fatigue performance on a base body and has the beneficial effects of being simple in technology, stable in performance, high in film forming efficiency and small in environment pollution. Organic-inorganic hybrid chromium-free closing method is selected after anodizing, chromium and other poisonous and harmful substances are not contained in confining liquid completely, and waste liquid discharging does not exist in the sealing process. The sealed anodized film layer is good in corrosion resistance, and the combining force of an original anodized film layer paint film is not influenced. The anodizing method and the sealing method can be used for replacing traditional chromic acid anodizing, sulfuric acid anodizing and dichromate sealing technologies and is applied to protection of aluminum and aluminum material surfaces of various industries such as aviation.

The invention discloses a fertilizer, in particular an iodine accumulation seaweed fertilizer and a manufacture method thereof. The iodine accumulation seaweed fertilizer has the special aspects that the iodine accumulation seaweed fertilizer is a solid preparation made of the material and auxiliary materials by weight parts as follows: iodine is 1 to 35 parts, benzoate is 110 to 160 parts, compound sodium nitrophenolate is 1 to 8 parts, alcohol is 300 to 800 parts, water is 60 to 120 parts, and alkali is 1 to 2 parts. The solid preparation is granula, which has the particle size range that the diameter ranges from 2 to 3mm. The iodine accumulation seaweed fertilizer effectively improves the root environments of planting crops, and restrains the proliferation rate and the survival rate of nematodes, thereby restricting the quantity and the epidemic degree of the nematodes and promoting the well-developed root system of the planting crops. The iodine accumulation seaweed fertilizer not only provides microelement nutrition to the nutrient deficiency of plants, but also has restraining and repellent effects on the root knot nematode, and is the ideal preparation for producing harmless agricultural products.

The invention belongs to the technical field of robot intelligent control and discloses a robot virtual reality synchronization system and synchronization method. The system comprises an MR glasses system, a virtual operation room and a robot with a robot control system, wherein the virtual operation room comprises a desktop control system electrically connected with the MR glasses system througha router, the desktop control system is further connected with the robot control system through the network, the MR glasses system comprises MR glasses for wearing, a force feedback device and a posecapture device, the force feedback device and the pose capture device are electrically connected with the MR glasses, the MR glasses and the desktop control system synchronously display data, the robot control system comprises a remote operation and maintenance server, and a general controller, a wireless positioning module and a data acquisition module which are arranged on the robot, snd the remote operation and maintenance server is in control connection with the MR glasses system, the virtual operation room and the universal controller through the network.

The invention relates to a compensation cable, in particular to a compensation cable for a nuclear power plant. The technical scheme includes that the compensation cable for the nuclear power plant comprises conductors (1) with insulating layers (3), and is characterized in that each two corresponding conductors (1) with the insulating layers (2) are stranded to form a core wire (3), the two core wires (3) and a filler (4) are stranded to form a cable core (5), a wrapping layer (6), a copper-plastic composite belt shielding layer (7), a copper wire braided shielding layer (8) and a sheath (9) are sequentially arranged on the outside of the cable core (5), the wrapping layer (6) wraps the cable core (5), the copper-plastic composite belt shielding layer (7) wraps the outside of the wrapping layer (6), and the sheath (9) is extruded on the outside of the copper wire braided shielding layer (8). According to the technical scheme, the compensation cable has the particular advantages of high long-term thermal ageing resistance, high nuclear radiation resistance and high immersion resistance during and after a DBA (design basis accident).

The invention relates to a low-voltage power cable, in particular to a low-voltage power cable for a nuclear power station. The low-voltage power cable comprises at least two conductors (1), an insulation layer (2) is extruded outside each conductor (1), each conductor (1) and the corresponding insulation layer (2) form a core (3), each core (3) and packing (4) are stranded into a cable core (5), a wrapping layer (6), a shielding layer (7) and a sheath (8) are arranged outside the cable cores (5) sequentially, the shielding layer (7) is a combination of a copper-plastic composite belt and a copper wire braided layer, the wrapping layer (6) wraps the cable cores (5), and the sheath (8) is extruded outside the shielding layer (7). Therefore, the low-voltage power cable for the nuclear power station is high in long-term thermal aging resistance, nuclear radiation resistance, DBA (design basis accident) resistance and immersion performance after DBA.

The invention relates to an electric control system operation and maintenance operation training integrated simulation system and method. The system comprises an operation visual subsystem, an electric control subsystem, an electric fault detection and maintenance subsystem and a master control subsystem. According to the invention, an operator can carry out running operation individually, combines the running operation and maintenance operation together during the maintenance operation, and carries out the maintenance operation according to running faults and running states in real time. The simulation authenticity is high, and the motion effect, the visual effect and the immersion effect are good.

The invention provides a mounting structure of a lighting device, wherein a pathway communicating the internal and external of a lamp body is arranged at the inner side of a rear mudguard, so that the pathway is not affected by the water splashed from the trailing wheel. A signal lamp device (70) equipped with a vent (79) at the base (75) of a bearing lamp support (80) is arranged on the outer side of the rear mudguard (73) of a two-wheel motor vehicle (10). The inner end portions of the lamp socket (80) and the vent (79) are arranged on the rear mudguard (73) facing the inner side of the vehicle body by the signal lamp device (70). The inner side of the rear mudguard (73) is equipped with a protection wall (84) formed integrally with the rear mudguard (73) for enclosing the periphery of the opening part (73e). The bottom wall (84d) of the protection wall (84) is equipped with a drainage hole (86). The drainage hole (86) is arranged close to the front end and the inner side of the vehicle body on the bottom wall (84d).

The invention relates to an instrument cable, in particular to an instrument cable for a nuclear power station. According to the technical scheme, the instrument cable for the nuclear power station comprises at least two stranded conductors (1) with insulation layers (2), the insulation layers (2) are extruded on the conductors (1), the conductors (1) with the insulation layers (2) form at least two core wires (3-1, 3-2 and 3-3), the core wires (3-1, 3-2 and 3-3) and packing 4 are stranded into cable cores (5-1, 5-2 and 5-3), and a wrapping layer (6), a copper-plastic composite belt (7) a copper wire braided layer (8) and a sheath (9) wraps outside the cable cores (5-1, 5-2 and 5-3) sequentially. Therefore, the low-voltage power cable for the nuclear power station is high in long-term thermal aging resistance, nuclear radiation resistance, DBA (design basis accident) resistance and immersion performance after DBA.

The invention discloses a paint-immersion process for a motor coil of a washing machine. The paint-immersion process comprises the following steps of S1: preparing materials and tools; S2: preparing an immersion solution; S3: starting the general power supply of an automatic immersion machine, setting the voltage, choosing an automatic working mode, regulating the pitch time, and setting a preheating temperature; S4: starting a heater, an air heater and a circulating fan, enabling the automatic immersion machine to perform preheating and cooling operations, and putting a coil-inserting stator on the station of the automatic immersion machine after the cooling operation is finished; S5: performing operations of paint immersion, paint dripping, curing and workpiece taking-out; S6: removing residual paint by a scraper knife; S7: performing examination; and S8: switching off the power supply after the obtained workpiece is qualified through examination. The paint-immersion process provided by the invention is complete, and simple to operate; the surface of the immersed paint film is uniform without causing phenomena of cracks, wrinkles and exposed wires; and in addition, the paint film is firm and the paint does not fall off easily, so that high safety is achieved.

The invention discloses a real person AR shooting game device and a shooting battle system and a method based on the AR technology. The real person AR shooting game device at least comprises an AR display device, and the AR display device at least comprises a graphic display module, an IMU sensor and a gesture recognizer; observing that life values corresponding to other AR display devices are displayed around the other AR display devices through the view field of one AR display device; and when the virtual attacking object touches a set 3D range below the AR display equipment in the operationprocess of the parabola / trajectory curve, the life value displayed around the AR display equipment is correspondingly reduced. The method has the advantages of immersion, easier investment, safety, no worry about the eye-covering effect, meeting of multi-player games, low implementation cost, low environmental requirements and enhancement of the experience effect.

The invention aims to provide a teaching evaluation method for transfer nursing teaching of hemiplegic patients and aims at improvement and innovation of the existing traditional process nursing teaching mode. A virtual three-dimensional simulation nursing novel teaching and evaluation method based on a network platform is designed; the traditional hemiplegic patient transfer nursing teaching content is integrated, a set of novel virtual three-dimensional interactive teaching and evaluation process is designed, nursing teaching service model simulation with a three-dimensional simulation technology as the main body is adopted, a virtual interaction technology is used for achieving situational teaching and instant teaching experience, large-scale education is supported through networking, and effective teaching evaluation and service supervision are achieved through combination of quantitative knowledge points and interactive behaviors.

The invention belongs to the field of glass wool production, and especially relates to an environment-friendly type white glass wool product. The glass wool product does not contain free phenol and formaldehyde. The glass wool product is composed of glass wool fiber and a total regulating liquid. A preparation method comprises specific steps that: A, glass wool fiber is obtained with a centrifugal blowing method; B, prepared total regulating liquid is uniformly ejected onto the glass wool fiber; curing is carried out, such that the glass wool product is formed. The total regulating liquid comprises components of, by weight: 18-26 parts of an environment-friendly type formaldehyde-free glass wool fiber bonding agent, 3-6 parts of a coupling agent, 0.3-1 part of an auxiliary cross-linking agent, 1-3 parts of a curing catalyst, 1-3 parts of a surfactant, and 70-80 parts of a solvent.

The invention discloses a virtual assembly method based on part geometric transformation information. The method comprises the following steps of describing geometric transformation information of a rigid part in a virtual assembly process by defining a main axis and an azimuth axis in a part local coordinate system, and making classification according to the geometric shape and the assembly process of the part; for each part type, proposing a corresponding navigation trigger judgment rule and a navigation motion calculation method. In order to solve the problem that the precision and real-time performance of an existing collision detection technology are difficult to balance, a distinguishing method of normal interference and abnormal interference is provided. The degree of freedom constraint of the part is achieved by conducting motion filtering on the hand grabbing the part at present, and follow-up processing is conducted on the virtual hand; and processing of interchangeable parts in the virtual assembly process is achieved. The method does not depend on force feedback interaction equipment in use, has very good universality, can fully restore real assembly activities, and guarantees the authenticity of a simulation operation process and the accuracy of statistical and analysis results.

The invention discloses a product packaging implementation method based on the Internet of Things and AR / MR, and the method is characterized in that the method comprises the following steps: manufacturing an AR / MR scene model related to a product; acquiring Internet of Things data, and mapping the Internet of Things data space into an AR / MR scene; collecting data of the internet of things in real time, and driving the AR / MR scene model; establishing a product pattern and an AR / MR scene calling protocol; according to the product pattern identification and request, calling an AR / MR scene displayed by Internet of Things data, and displaying the AR / MR scene; and interacting with the AR / MR scene, and dynamically loading the AR / MR scene in real time during interaction. According to the invention, AR / MR product packaging is achieved, after a user scans a product packaging pattern through a mobile phone terminal, AR / MR scenes related to a product can be checked, and particularly, the display content is more, more vivid and more real based on dynamic display of data changes of the Internet of Things.

A steel cord for a rubber track main cord, where core filaments of a core strand is restricted from coming out of a rubber member. This is achieved by causing rubber to penetrate to core filament surfaces of the core strand without reducing a cord breaking load. A core strand (22) of a steel cord (10) is constituted of one core filament (22C) and five sheath filaments (22S) twisted around the core filament (22). Six sheath strands (26) are twisted around the core strand (22). A rubber member is highly penetratable into the core filament (22C) because sufficiently wide gaps are held between the sheath filaments (22S). The structure above realizes the steel cord (10) where the core filament (22C) is restricted from coming out.

The invention discloses a cooking system for high-viscosity refined cotton after cotton opening, and relates to the technical field of refined cotton processing. The cooking system comprises a waste receiving box; a supporting frame is fixedly mounted on the top surface of the waste receiving box; the surface of the supporting frame is fixedly connected with a material guide hopper and a waste liquid discharge pipe through connecting parts; an alkali soaking mechanism and an alkali cleaning mechanism are fixedly mounted between the inner surfaces of the supporting frame in sequence from top to bottom; the alkali soaking mechanism comprises an outer shell and an alkali liquor inlet pipe; the top face of the outer shell is fixedly communicated with a feeding hopper; a liquid inlet branch pipe is fixedly mounted on the top surface of the outer shell; the inner wall of the outer shell is rotationally connected with a filtrate cylinder through a bearing; and a plurality of groups of liquid permeable holes distributed in a circumferential array are formed in the peripheral side surface of the filtrate cylinder. According to the cooking system for the high-viscosity refined cotton after cotton opening, through the design of the alkali soaking mechanism and the alkali cleaning mechanism, the system can efficiently complete alkali soaking and alkali cleaning work of cotton materials in an assembly line mode, and through the implementation of the assembly line type operation mode, the processing efficiency of the system on the cotton materials is effectively improved.