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

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 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 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 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 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 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 provides an assistant instructing system and an assistant instructing system method based on EON. A three-dimensional model of a mechanical product and a three-dimensional model of a virtual hand are established, up and down motions, left and right motions, front and back motions and rotation of the three-dimensional model of the virtual hand are achieved by a position tracker, a data glove grabs and releases the three-dimensional model of the mechanical product according to gesture change of the virtual hand, namely students master contents narrated by teachers by animation demonstration, and the students can form a brand new understanding on constituent parts, an internal structure, a disassembly process, an assembly process and the like of the mechanical product from a three-dimensional angle by means of 3D glasses through 3D demonstration parts. The assistant instructing system and the assistant instructing system method provided by the invention can be used for achieving the purposes of animation demonstration, manual disassembly, manual assembly, motion simulation and 3D demonstration, compensating the shortcomings in practical teaching of colleges and universities at present, and enabling the students to carry out manual operations when learning theoretical knowledge, which is helpful for the students to deepen the theoretical knowledge and improve the practical application ability.

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 ofnematodes, 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 notonly 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 provides a method and a system for establishing a vehicle virtual reality system model, which relates to the technical field of virtual reality simulation. The method for establishing avehicle virtual reality system model comprises the following steps: establishing an entire vehicle model; establishing a virtual screen model of an immersive virtual reality system in 3D software; importing the whole vehicle model into the three-dimensional software and placing the model in the center of the virtual screen, so that the front of the vehicle is facing the front of the virtual screen; mapping the vehicle internal structure data to the surrounding CAVE system virtual screen model from the driver's main visual angle, and obtaining the dimension data of the actual CAVE system adapted to the vehicle with known dimensions; according to the dimension data of the actual CAVE system, establishing an actual CAVE system. The CAVE system is applied to the vehicle, and because the CAVE system has high resolution and a good immersion effect, the CAVE system can be used to evaluate the external shape and the interior decoration data of the vehicle at the same time.

The present invention provides a method and an apparatus for manufacturing an electronic device, capable of obtaining a higher resin filling character even by using a sheet material resin with a large dissolvent volatilization amount, and restraining a damage to a junction of a mounted element without a gas generation. In a process of stacking the sheet material resin, a metallic bottom board (21) is stacked with a separator (22), a mounting substrate (23) and the sheet material resin (24) in sequence, a separator (25) is further stacked thereon, then the bottom board is loaded in a package (30) to form a package (50) having a substrate. After, in a dissolvent volatilization process, the package (50) having the substrate is placed on a heating table of a heating laminating device, then is decompressed and heated until less than a solidification temperature of the sheet material resin (24). Thereafter the dissolvent of the sheet material resin will be volatilized. In a resin filling and sealing process, the package (30) is sealed, a laminating package is sealed, a vacuum chamber is opened and returns to the atmosphere pressure. Then, the sheet material resin is heated under a condition of packaging to be solidified formally.

The invention discloses a clothes treating device with a drying function. The clothes treating device with the drying function comprises a shell, an inner barrel, a steam generator and an aromatic device, wherein the inner barrel is arranged in the shell and is used for accommodating to-be-treated clothes; the steam generator is arranged to transport generated steam to the inside of the inner barrel; and the aromatic device is arranged on the steam generator. According to the clothes treating device with the drying function, an aroma can infiltrate into clothes along with steam, so that the aroma infiltrating effect is improved and the utilization efficiency of a fragrance is improved.