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558results about How to "In line with the development trend" patented technology

Embedded satellite-borne fault-tolerant temperature control system and verification method thereof

The invention discloses an embedded satellite-borne fault-tolerant temperature control system and a verification method thereof. The system comprises a satellite management computer, an on-satellite temperature control system and a ground monitoring and fault injection computer; the on-satellite temperature control system comprises a temperature control calculation host machine, a temperature control calculation standby machine and an environmental simulation computer; and the temperature control calculation host machine and the temperature control calculation standby machine are temperature control computers. The verification method comprises the following steps of: 1, initializing a file allocation; 2, initializing the system; 3, beginning simulation; 4, injecting and executing a fault; 5, processing redundant fault tolerance; 6, monitoring the ground and evaluating the fault; and 7, evaluating a fault model and a redundancy strategy of the temperature control system. The fault injection and the verification process of the whole running stage of the real satellite-borne temperature control system are completely realized; and the method is simple, convenient and reliable, and greatly reduces the test time and expense for the practical system.
Owner:BEIHANG UNIV

Power battery composite heat management system and method thereof

The invention discloses a power battery composite heat management system and a method thereof. The power battery composite heat management system comprises a water tank filled with a circulating fluid, a circulating pump, a sealing cover plate of the water tank, and a battery pack array which is fixedly mounted above the sealing cover plate and is composed of a plurality of battery cells, wherein a temperature equalizing plate and a heat pipe are adhered onto the surface of each battery cell respectively, and cooing sections of the heat pipes pass through the sealing cover plate to be arranged in the circulating fluid in the water tank; a circulating fluid inlet is formed in one side end of the water tank, a circulating fluid outlet is formed in the other side end of the water tank, and a circulating fluid turbulent flow structure is arranged inside the water tank, so that the circulating fluid flows into the circulating fluid outlet from the circulating fluid inlet of the water tank in a curve flowing manner. The system and the method thereof can solve the technical problems such as heat dissipation, battery pack temperature difference reduction, battery preheating and heat cyclic utilization under different working conditions of batteries; and meanwhile, the system is compact and simple in structure and convenient in installation and maintenance, accords with the development tendency of battery heat management systems and electric automobiles, and has good application prospects.
Owner:SOUTH CHINA UNIV OF TECH

A method for solving low-carbon workshop scheduling based on an improved whale optimization algorithm

The invention discloses a method for solving low-carbon workshop scheduling based on an improved whale optimization algorithm. The method comprises the following steps: establishing a mathematical model of low-carbon workshop scheduling; setting algorithm parameters of the improved whale optimization algorithm, and generating an initial population; calculating the fitness value of the scheduling solution in the initial population, and keeping the current optimal scheduling solution; converting the current optimal scheduling solution into a whale individual position vector; carrying out whale individual position vector iteration updating by adopting an improved whale algorithm; performing whale individual position vector iteration updating on the updated whale individual position vector byadopting a self-adaptive adjustment search strategy; and when the number of iterations reaches the maximum number of iterations, converting the whale individual position vector into a scheduling solution, and outputting the scheduling solution. The whale algorithm is optimized, and a two-stage conversion mechanism is applied to initialize a machine part and a process part respectively, so that thenumber of iterations is reduced, and the quality and the operation efficiency of a final solution are improved; an improved whale algorithm is adopted, and the convergence speed and efficiency are improved.
Owner:CHANGAN UNIV

Intelligent household microgrid system based on technology of internet of things

The invention relates to an intelligent household microgrid system based on a technology of internet of things. The intelligent household microgrid system includes an energy system and a control platform thereof. The energy system includes a photovoltaic cell, a chopper module, an energy storage device, a rectifying module and a PCC (point of common connection) switch. The control platform includes a CPU, a storage module, a ZigBee wireless networking device (full-function ZigBee (FFD) main coordinator, a local ZigBee universal remote controller, and a reduced-function (RFD) ZigBee terminal node) and a peripheral interface. The control platform of the intelligent household microgrid system also includes a cloud computation background service system in the broad sense. The intelligent household microgrid combines intelligent grid, microgrid and internet of things technologies and one of great characteristics of the intelligent household microgrid is that a ZigBee wireless technology is introduced to the household microgrid so that the system is capable of networking flexibly. The intelligent household microgrid system is combined with a peak-valley electrovalency system to realize functions such as reliable power supplying through combination of self generation and grid power, intelligent scheduling of distributed photovoltaic power generation, intelligent charging and discharging of the storage device under different states, power bidirectional flowing between the system and the grid, real-time visualization of electricity quantity information and automatic switching of grid connection and grid isolation and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Post-tensioned prestressing underground diaphragm wall and construction method

The invention provides a post-tensioned prestressing underground diaphragm wall. A fixed end anchor plate of a fixed end anchor tool of the underground diaphragm wall is provided with a taper hole and matched with a fixed end clamping piece. A prestressing steel bar is anchored through wedge caulking of the taper hole. A fixed end anchor plate lower stress member is jointly formed by a fixed end anchor backing plate and a fixed end spiral bar. A tension end anchor tool comprises a tension end anchor plate, a tension end anchor backing plate, a tension end clamping piece and a tension end spiral bar. The prestressing steel bar penetrates through a corrugated pipe to be laid and fixed to a steel bar cage, and then the two ends of the prestressing steel bar are fixed to the fixed end anchor tool and the tension end anchor tool respectively, the periphery of the steel bar cage and the periphery of the corrugated pipe are filled with concrete to form the post-tensioned prestressing underground diaphragm wall. Meanwhile, the invention provides a construction method of the post-tensioned prestressing underground diaphragm wall. The post-tensioned prestressing underground diaphragm wall and the construction method of the post-tensioned prestressing underground diaphragm wall have the advantages that the section of the post-tensioned prestressing underground diaphragm wall is reduced by 15 %, the antiknock performance is increased by 20 %, the steel bars are reduced by 30 %, the consumption of concrete is reduced by 15 %, and the post-tensioned prestressing underground diaphragm wall conforms to the development trend of the modern building structure.
Owner:CHINA COMM CONSTR FIRST HARBOR CONSULTANTS +1

Flexible circuit board, flexible LED lamp bar and manufacturing method of flexible LED lamp bar

The invention discloses a flexible circuit board, a flexible LED lamp bar and a manufacturing method of the flexible LED lamp bar. The flexible circuit board comprises a first insulation layer, a second insulation layer and a circuit layer. The first insulation layer and the second insulation layer are attached to the two sides of the circuit layer respectively. The first insulation layer and the second insulation layer are respectively provided with a folding portion in the length direction. The folding portion of the first insulation layer corresponds to the folding portion of the second insulation layer in position. The circuit layer comprises a set of power lines and at least one light source line. The light source lines and the power lines are arranged on the two sides of the folding portions in a separable mode. The width of the folded flexible circuit board is smaller, so that more occasions where the flexible circuit board with the smaller width is needed are met, and the power lines and the light source lines are not bent when the flexible circuit board is folded. Due to the existence of the folding portions, folding face layers of the power lines and folding face layers of the light source lines can be prevented from tilting up along the folding portions, the folding face layers of the power lines and the folding face layers of the light source lines are easily attached together, and the wrinkling phenomenon is reduced.
Owner:GUANGDONG TONGFANG ILLUMINATIONS CO LTD

Encapsulation structure of fingerprint identification sensor and encapsulation method thereof

The invention relates to an encapsulation structure of a fingerprint identification sensor and an encapsulation method thereof, and belongs to the technical field of semiconductor encapsulation. The encapsulation structure of the fingerprint identification sensor is characterized in that a groove is formed in the edge position of the top of a silicon substrate body, a sensor chip is arranged at the top of the silicon substrate body, and comprises a sensing element and chip electrodes arranged around the sensing element, an insulation layer I covers the surface of the silicon substrate body and an uncovered face of the groove, an insulation layer II covers the insulation layer I from the top down until an upper corner area I, a re-wiring metal layer enables electrode signals to drop to the bottom of the groove, a metal lead wire is connected with the re-wiring metal layer and a substrate, a dielectric layer is filled in an opening of the insulation layer I, a plastic seal layer seals all uncovered surface space of the silicon substrate body on the substrate, and a metal film layer is arranged on the surface of the plastic seal layer. The encapsulation structure of the fingerprint identification sensor can improve product insulating performance and reliability. The encapsulation method of the encapsulation structure of the fingerprint identification sensor uses a wafer level technology, is simple in encapsulation process, improves production efficiency, and conforms to a development trend of encapsulation industry.
Owner:JIANGYIN CHANGDIAN ADVANCED PACKAGING CO LTD

Human-computer cooperative robot tooth-implant method and human-computer cooperative robot tooth-implant system based on augmented reality

A human-computer cooperative robot tooth-implant method based on augmented reality includes the following steps: (1) acquiring data; (2) carrying out three-dimensional reconstruction to obtain an oraltissue model; (3) designing a implanting scheme; (4) designing and manufacturing a positioning marker; (5) generating a manipulator off-line program instruction according to the implanting scheme; (6) allowing a patient to wear the positioning marker, and calibrating the position of a manipulator; (7) carrying out surgical operation by the manipulator according to an instruction, and adjusting according to a real-time micro motion position of a patient; and (8) allow a doctor to observe the correspondence condition between a three-dimensional implanting scheme and the actual position in the patient oral cavity from worn AR spectacles, and interfering adjustment by the man-machine fusion technique. The invention provides the human-computer cooperative robot tooth-implant method and a human-computer cooperative robot system based on augmented reality, wherein the method and the system can realize superposition of the three-dimensional implanting scheme and the patient oral cavity and automatic tracking and positioning, realize surgical operation by a robot and allow the doctor to intervene timely.
Owner:ZHEJIANG UNIV OF TECH
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