BEIJING UNIVERSITY OF TECHNOLOGY Patent applications |
Patent application number | Title | Published |
20160123949 | Measuring Phosphorus in Wastewater Using a Self-Organizing RBF Neural Network - In various implementations, methods and systems are designed for predicting effluent total phosphorus (TP) concentrations in an urban wastewater treatment process (WWTP). To improve efficiency of TP prediction, a particle swarm optimization self-organizing radial basis function (PSO-SORBF) neural network may be established. Implementations may adjust structures and parameters associated with the neural network to train the neural network. The implementations may predict the effluent TP concentrations with reasonably accuracy and allow timely measurement of the effluent TP concentrations. The implementations may further collect online information related to the estimated effluent TP concentrations. This may improve the quality of monitoring processes and enhance management of WWTP. | 05-05-2016 |
20160067811 | CENTRAL NEGATIVE PRESSURE ARC WELDING APPARATUS AND METHOD - The present disclosure relates to a central negative pressure arc welding apparatus and method. Through a pumping gas pipeline from the suction device to hollow tubular electrode, a suction device may establish a stable, high energy density and binding arc beneath hollow tubular electrode. The binding degree, energy density and voltage of arc may be adjusted by changing the value of negative pressure in the center of arc. Accordingly, welding heat input and coefficient of weld may be precisely controlled. This apparatus may further set up central pulsating negative pressure arc by turning on valve periodically to make a periodic negative pressure in the center of arc. This present disclosure both possesses good stability and adaptability of traditional Gas Tungsten Arc Welding and achieves binding arc and good penetration of Plasma Arc Welding. Furthermore, this present disclosure improves the mechanical properties of welded joints. | 03-10-2016 |
20150348934 | Package in Package (PiP) Electronic Device and Manufacturing Method thereof - A manufacturing method for Package in Package (PiP) electronic device based on multi-row Quad Flat No-lead (QFN) package is provided wherein the lower surface of plate metallic base material are half-etched to form grooves. Insulation filling material is filled in the half-etched grooves. The upper surface of plate metallic base material is half-etched to form chip pad and multi-row of leads. Encapsulating IC chip for wire bonding, adhesive material, metal wire, chip pad and a plurality of leads to form a multi-row QFN package as an inner package. Flip-chip bonding IC chip with solder bumps on the first metal material layer of leads. Encapsulating IC chip with solder bumps, the multi-row QFN package, adhesive material, and leads to form an array of PiP electronic devices. Sawing and separating the PiP electronic device array, forming PiP electronic device unit. | 12-03-2015 |
20150289761 | Affective Bandwidth Measurement and Affective Disorder Determination - The present disclosure relates to methods for measuring affective bandwidth of a subject (e.g., a human) and determining depression determination of the subject. The affective bandwidth measurement may include the following operations. For example, the subject may watch positive neutral and negative pictures for 8-10 seconds, respectively. Information for all fixation points may be obtained using an eye movement tracking device. Pupil diameter sizes of the subject while watching the positive, neutral and negative picture tasks may be calculated, and the affective bandwidth may be calculated. The affective bandwidth may include positive affective bandwidth (positive-neutral), negative affective bandwidth (negative-neutral) and positive-negative affective bandwidth (positive-negative) of the subject. | 10-15-2015 |
20150197687 | Photoluminescence-Enhanced Sandwich Structure of Luminescent Films and Method - A sandwich structure for enhancement of photoluminescence (PL) from luminescent films and the corresponding preparation method are disclosed. The sandwich structure comprises a support, a luminescent film grown on the support, and a close-packed dielectric microsphere monolayer deposited onto the luminescent film. The microspheres have high transmittance excitation light and emitted light, respectively. The low price of dielectric microspheres is beneficial to industrial applications. The stable chemical properties of dielectric microspheres make PL enhanced in a long term. Both metal and non-metal materials can be used as the support in the sandwich structure. These features significantly improve the technique of PL enhancement for luminescent films. | 07-16-2015 |
20150056247 | Sequential and repeated immunization with four or more vector-based HIV gene vaccines - The present invention provides a combined AIDS vaccine for preventing and/or treating AIDS, which consists of four or more different vector-based AIDS vaccines, wherein HIV protein gene comprised in the different AIDS vaccines may be same. A use method of the vaccine comprises inoculation of one AIDS vaccine each time, wherein inoculation of each vaccine may be continuously performed twice, and after sequential application of the four or more vector vaccines, repeated sequential application of the vector vaccines may be performed | 02-26-2015 |
20140053959 | HEAT TREATMENT PROCESS OF HIGH-MG ER-MICROALLOYED ALUMINUM ALLOY COLD-ROLLED PLATES RESISTANT TO INTERGRANULAR CORROSION - A heat treatment process of high-Mg Er-containing aluminum alloy cold-rolled plates resistant to intergranular corrosion is disclosed, which belongs to the field of non-ferrous metals. The mass percentage of each component of high-Mg Er-containing aluminum alloy heat-rolled plates is, respectively, 5.8%-6.8% of Mg, 0.4%-0.8% of Mn, 0.15%-0.25% of Er, 0.15%-0.25% of Zr, the unavoidable impurities content being less than 4%, the balance being Al. The alloy hot-rolled plates are cold-rolled until the final cold deformation being 75%-90% after the intermediate annealing; the aluminum alloy cold-rolled plates undergo a stabilization annealing at the annealing temperature of 235° C. to 245° C. for 3.5-4 hours, and then is cooled in air to room temperature. This process significantly improves the resistance to intergranular corrosion while it does not reduce the strength of the alloy significantly. | 02-27-2014 |
20140035398 | Method And Device For Torque Generation Based On Electromagnetic Effect - A method and device of torque generation based on electromagnetic effect is provided. An electromagnetic torque whose direction is opposite to the motor driving direction is generated in a magnetic field when a motor-drive armature winding is adopted based on the electro-magnetic induction principle. Meanwhile, a reverse electromagnetic torque which is reverse to the armature winding with the same magnitude, is applied on a magnet set and is transmitted to an underactuated system so as to provide required torque for the underactuated system. Advantageously, the provided torque is in direct ratio to speed, difficulty in control is significantly reduced, two-stage electromagnetic variable speed can be achieved, the design of the system is simple and reliable with a concise and clear structure, and the device may be employed in a wide variety of applications. | 02-06-2014 |
20130285551 | Method for Improving Uniformity of High-Frequency Plasma Discharge by Means of Frequency Modulation - A method for improving the uniformity of high-frequency discharge plasma by means of frequency modulation is disclosed. In a plasma discharge chamber, there is a pair of parallel electrodes. A high-frequency power supply is adopted to feed the electrodes. The frequency range of the electromagnetic field is 13.56 MHz˜160 MHz. Discharge gas is input to form plasma. The frequency of the fed-in high-frequency electromagnetic field is under automatic tuning control, and keeps changing cyclically without stop in the course of plasma discharge. The range of the frequency change may fall into either a portion of or the entire range of 13.56 MHz˜160 MHz and makes the locations with higher plasma density on the plane in parallel with the electrodes and in the plasma discharge space changed cyclically. In a time slot longer than one frequency change cycle, the average plasma density between the parallel electrodes is uniform. | 10-31-2013 |
20130234542 | Liquid-Cooled Self-Excited Eddy Current Retarder With A Structure Of Two Salient Poles - A liquid-cooled self-excited eddy current retarder having two salient poles is provided. The liquid-cooled self-excited eddy current retarder may comprise a retarder rotor, a retarder stator, a retarder coil, a retarder generator and a control module. The retarder rotor may be a jugged turntable, and an axial cross section of the jugged turntable may be in an inverted h shape. Two projections at two sides of the jugged turntable may form two salient poles of the retarder rotor. The retarder rotor may be connectable to a transmission shaft, and an inner circle of the retarder stator may be coaxial with an outer circle of the retarder rotor. The retarder coil may be an independent coil and disposed between the two salient poles of the retarder rotor. The retarder coil may be affixed to the retarder stator. | 09-12-2013 |
20130105742 | Impregnated Yttric or Gadolinium-Containing Barium-Aluminum-Scandate Cathodes and Their Fabrication Methods | 05-02-2013 |
20130105706 | Double Tilt Transmission Electron Microscope Sample Holder for In-Situ Measurement of Microstructures | 05-02-2013 |
20130015026 | Self-Excited Eddy Current Liquid-Cooled RetarderAANM Li; DeshengAACI BeijingAACO CNAAGP Li; Desheng Beijing CNAANM Ye; LezhiAACI BeijingAACO CNAAGP Ye; Lezhi Beijing CNAANM Jiao; BingfengAACI BeijingAACO CNAAGP Jiao; Bingfeng Beijing CNAANM Du; XiaoAACI BeijingAACO CNAAGP Du; Xiao Beijing CN - A self-excited eddy current liquid-cooled retarder is disclosed. The retarder pertains to an auxiliary braking device retarding a vehicle, and comprises a retarder rotor, a retarder stator, a control module and a generator unit. The retarder rotor comprises a retarder coil, an electromagnet core and a core cage. The retarder coil is wound on a coil frame. The electromagnet core is inserted into the coil frame. The electromagnet core, the retarder coil and the coil frame are evenly distributed on the circumference of the core cage. The retarder rotor is connected to a transmission shaft of an automobile. The inner circle of the retarder stator and the outer circle of the electromagnet core of the retarder rotor are coaxial. The generator unit comprises a generator exciting winding, a generator exciting magnetic pole, a generator armature winding and a generator armature core and is received in the retarder rotor. | 01-17-2013 |
20120241432 | LOW-COST GAS SHIELDED FLUX-CORED WIRE WITH RECYCLED WELDING SLAG - A gas shielded flux-cored wire (FCW) comprises s steel sheath and core flux, in which recycled welding slag powder is used to partially replace the natural rutile. The core flux contains (by weight): 10-50% recycling welding slag powder, 10-45% TiO | 09-27-2012 |
20110286904 | APPARATUS AND PROCESS FOR METAL OXIDES AND METAL NANOPARTICLES SYNTHESIS - The present invention provides an approach to control the generation and grow of nanocrystal with membrane diffusion method and related apparatuses to produce inorganic oxide nanopowders and metal nanoparticles. With this method, the size and size distribution of inorganic oxide nanopowders and metal nanoparticles can be tuned. It overcomes the shortcomings possessed by the common chemical and physical method of preparing nanoparticles. | 11-24-2011 |
20110272520 | ELECTRICAL DRIVEN FLYING SAUCER BASED ON MAGNETIC SUSPENSION - A magnetic suspension electric rotor flying saucer comprises: a saucer shell ( | 11-10-2011 |
20110107472 | SENSOR FOR QUANTITATIVE MEASUREMENT OF ELECTROMECHANICAL PROPERTIES AND MICROSTRUCTURE OF NANO-MATERIALS AND METHOD FOR MAKING THE SAME - A sensor for quantitative test electromechanical properties and microstructure of nano-materials and a manufacturing method for the sensor are provided. The sensor comprises a suspended structure, pressure-sensitive resistor cantilevers, support beams, bimetallic strip and other components. When the bimetallic strip produces bending deformation, one of the pressure-sensitive resistor cantilevers is actuated and then stretches the low-dimensional nano-materials which drive the other pressure-sensitive resistor cantilever to bend. Through signal changes are outputted by the Wheatstone bridge, the variable stresses of low-dimensional nano-materials are obtained. Meanwhile, the variable strains of low-dimensional nano-materials are obtained by the horizontal displacements between two cantilevers, so the stress-strain curves of low-dimensional nano-materials are worked out. When the low-dimensional nano-materials are measured in the power state, the voltage-current curves are also obtained. In addition, by the help of high resolution imaging system in the transmission electron microscopy, the mechanical-electrical-microstructure relationship of the nano-materials can be recorded in situ and in atomic lattice resolution. | 05-05-2011 |
20110010013 | SINGLE WHEEL ROBOT SYSTEM AND ITS CONTROL METHOD - This invention relates to a single wheel robot system and its control method. The robot is an intelligent self-control and thus self-balancing unicycle riding robot. The control method is the balance control method of the static imbalance unicycle robot. The single wheel robot includes mechanical body and control system; the body contains a single wheel in the substructure which can rotate around for balance; the control system comprises state sensors, motion controller, servo-driven controllers, and a power system. Among them, the motion controller receive signals from the state sensors, in accordance with control procedures for processing of the received signal, thereby issuing control instructions. The servo drive controller receives the control instructions and controls the motors of the robot to adjust posture to be balanced. | 01-13-2011 |
20100292840 | FLEXIBLE TWO-WHEELED SELF-BALANCING ROBOT SYSTEM AND ITS MOTION CONTROL METHOD - A flexible two-wheeled self-balancing robot system and its motion control method include a main controller | 11-18-2010 |
20100154557 | DEVICE AND METHOD FOR MEASURING ELECTROMECHANICAL PROPERTIES AND MICROSTRUCTURE OF NANO-MATERIALS UNDER STRESS STATE - A device for measuring electromechanical properties and microstructure of nano-materials under stress state comprises two bimetallic strips placed on an insulated metal ring plated with insulating paint, wherein the two bimetallic strips are placed in parallel or V-shaped to insulated metal ring on the same plane, one end of each bimetallic strip is fixed on the insulated metal ring, the other end of the bimetallic strip hangs inside of the insulated ring, the distance of two bimetallic strips were controlled within 0.002-1 mm. Also provided is a method for measuring electromechanical properties and microstructure of nano-materials under stress state. | 06-24-2010 |
20090252984 | BIAXIALLY TEXTURED COMPOSITE ARTICLE - A composite article that can be used as a substrate for coated conductors is disclosed. The composite substrate has at least three layers in which one or more inner layers of Ni—W alloys with 9 at. %-13 at. % W and two outer layers of Ni—W alloys with 3 at. %-9 at. % W. The content of W element gradually decreases from the inner layers to the outer layers. The composite substrate can be prepared using a process of designing and sintering composite ingot, rolling composite ingot and then annealing composite substrate. The composite substrate have a dominant cube texture on the outer layer of the whole substrate which have a weaker magnetism and higher strength than that of a single Ni—5 at. % W alloy substrate. the preformed composite ingot is prepared by filling and compacting the Ni—W mixed powders into a mould layer by layer according to the structure of composite substrate; in said mould, said preformed composite ingots are with the total thickness of 5-250 mm, the thickness of two outer layers being 2/9-⅔ of the total thickness. | 10-08-2009 |