132results about How to "Realize dynamic regulation" patented technology

The invention discloses a cloud-mist combined internet of things application construction system based on a SND. The whole architecture orderly comprises a hardware facility layer, a mist processing layer and a cloud computing layer from bottom to top; the mist processing layer is composed of multiple OpenCPS multi-mode gateways; the whole architecture of the OpenCPS multi-mode gateway orderly comprises a network access layer, a virtualization layer, an API pool layer and an application realization layer form bottom to top. The system disclosed by the invention has the advantages as follows: (1) the dynamic regulation on a network resource can be realized, and the management is easy; (2) the whole structure is reasonable in construction, the delay is reduced by using a cloud-mist combinedframework, and the utilization rate is improved by using the SDN architecture. The system can quickly integrate into the internet of things market, multiple internet of things communication protocolsare both taken into consideration, so that the system can be preferably adapted to the transition of the internet of things market demand.

The invention relates to an industrial enterprise pollutant emission monitoring method based on high-frequency power data. The method comprises the steps that S1, the quantity relation between the electricity consumption quantity and the pollutant emission quantity of an industrial enterprise is established; S2, an intelligent electric meter monitors the real-time electricity consumption quantity of the industrial enterprise, the real-time pollutant emission quantity is calculated according to the step S1, the electricity consumption quantity of the industrial enterprise is adjusted based on the real-time pollutant emission quantity, and the pollutant emission quantity of the industrial enterprise is controlled by adjusting the electricity consumption quantity of the industrial enterprise; S3, the step S2 is repeated, and the adjusted electricity consumption quantity of the industrial enterprise continues to be monitored. Compared with the prior art, the industrial enterprise pollutant emission monitoring method based on the high-frequency power data has the advantages that the atmospheric pollutant emission quantity can be controlled within a certain range, so that the urban air quality is guaranteed, the universality is high, operation is convenient, and the environmental protection effect is good.

The invention discloses a multilayer structure plasma meta-material tunable ultrawide-band wave absorber of which the structure comprises a bottom metal reflecting plate, a dielectric substrate whichis arranged on the metal plate, solid state plasma resonant units which are arranged on the dielectric substrate, "Y"-shaped solid state plasma resonant units which are arranged in the dielectric substrate and solid state plasma columns which connect all the resonant units. The wave absorber has great absorbing effect for the TE polarized waves and controls the excitation area of the resonant units formed by the solid state plasma to realize excitation of different resonant units through programming so as to achieve the objective of dynamic regulation and control of different frequency of thewave absorber and realize ultrawide-band absorbing of the wave absorber; besides, the working frequency of the wave absorber can cover the whole Ku band under the condition of appropriate selection ofthe excitation area, and absorbing of low frequency electromagnetic waves can also be realized under the condition of small physical size.

The invention discloses a dynamic multi-frequency multi-beam spatial arbitrary scanning reflection array comprising a feed source horn, a stacked multilayer reflective array, and a control excitation module loaded on the array. A reflective array unit can be constructed flexibly at a reconfigurable surface loaded at each layer of array to meet work requirements at different frequency bands in different space radiation directions, thereby realizing multi-band work and arbitrary-direction radiation of beams. On the basis of the multi-layer structure, multi-frequency work is realized and spatial beam directions in respective operating frequencies can be designed respectively to realize a frequency-division and beam-division effect. The reflective array units in the array can be regulated dynamically and dynamic scanning of reflected beams in any spatial direction can be realized.

The invention discloses a method and a device for realizing wave absorbing of graphene at a visible light waveband, and belongs to the field of photoelectric detection and micro-nano optical, mechanical and electrical systems. A multi-groove structure provided by the invention is a periodic micro-structure, a primitive cell (a basic unit of the structure) of the periodic micro-structure is formedby a plurality of narrow metal grooves with the same width and different depths, a dielectric coating layer is filled into the grooves and above the grooves, and the graphene is deposited above the dielectric coating layer. For TM polar incident light waves, due to a cavity resonance effect of the grooves, the grooves with different depths correspond to different graphene light absorption wavelengths, and broadband absorption of the graphene at the visible light waveband can be realized through combination of the grooves with the different depths. In addition, an absorption spectrum of a waveabsorber is insensitive to the change of an incident angle, and even the incident angle is obviously changed, the graphene still has excellent broadband light absorption performance; and the method and the device have an application prospect in the fields such as light modulators, solar cells, touch screens, biological sensing and the like.

The invention discloses a frequency selective surface electromagnetic wave transmission amplitude modulator on the basis of graphene. The frequency selective surface electromagnetic wave transmissionamplitude modulator comprises a frequency selective surface, a dielectric layer and a graphene sandwich layer. The frequency selective surface, the dielectric layer and the graphene sandwich layer aresequentially arranged in a stacked manner, the graphene sandwich layer comprises an upper graphene thin film layer, a lower graphene thin film layer and an ionic liquid layer, the ionic liquid layeris arranged between the upper graphene thin film layer and the lower graphene thin film layer, and contact electrodes are arranged on the upper graphene thin film layer and the lower graphene thin film layer and are connected with a positive electrode and a negative electrode of a power source. The frequency selective surface electromagnetic wave transmission amplitude modulator has the advantagesthat the frequency selective surface and graphene sandwich structures are combined with one another, accordingly, the electromagnetic properties of the frequency selective surface can be dynamicallyregulated and controlled, and voltages required during regulation and control can be lowered.

The invention discloses a whole vehicle thermal management system of a pure electric vehicle and a management method. A heat pump type air conditioner system, a battery pack thermal management systemand an electronic control cooling system are arranged on the pure electric vehicle. The system comprises a heat pump type air conditioner refrigerant liquid circulating loop, a coolant liquid circulating loop of the battery pack thermal management system and the electronic control cooling system, and an ECU control center. The two liquid circulating loops are coupled on a first evaporator and a second evaporator, two liquid inlet and outlet internal pipelines of the first evaporator and the second evaporator are independent, and liquid flow directions are designed in a convection mode. Heat among the three sub-systems can be utilized under the condition of guaranteeing driving and riding comfort, an external cold source and sub-system heat sources are fully utilized, and the energy consumption of the whole vehicle thermal management system is reduced.

The invention discloses a device for regulating and controlling the water content of the production fluid of an underground layering of an oil field, which comprises a main control assembly, a slide bushing switch and a water content tester, wherein the slide bushing switch is arranged in the main control assembly, and the water content tester is connected with the main control assembly and is used for testing the water content of an oil-water mixture; the main control assembly is used for controlling the opening and the closing of the slide bushing switch according to a test result of the water content; when the condition that the water content is higher than a set value is judged, the slide bushing switch is closed so as to prohibit the pass of the oil-water mixture; and when the condition that the water content is lower than the set value is judged, the slide bushing switch is opened so as to permit the pass of the oil-water mixture. By connecting the device provided by the invention in a layered oil recovery pipe column in series and delivering the device to an underground oil layer, the water content tester can automatically detect the water content of the oil-water mixture. According to the actually detected water content, the slide bushing switch is opened or closed so as to open or close a fluid inlet passage, so that the dynamic regulation and control of the water content of the production fluid of the underground layering of the oil field is realized.

The invention discloses an organic solar cell with dynamically regulated transparency and a preparation method and an application thereof. The method includes the following steps: sputtering an electrode material on a substrate to prepare a first electrode layer; applying an organic material to the first electrode layer through spin coating or thermal evaporation to prepare a first transmission layer, spin-coating the first transmission layer with a mixture of organic matter and fullerene derivative to prepare an optically active layer, spin-coating the optically active layer with oxide, and vapor-depositing metal on the oxide to prepare a second electrode; and finally, vapor-depositing semiconductor oxide on the second electrode, and sputtering catalyst on the semiconductor oxide layer toget an organic solar cell with dynamically regulated transparency. When hydrogen is fed in, the optical property of the gasochromic oxide layer changes, which changes the transmittance and transparency of the semitransparent cell device. The organic solar cell of the invention has the characteristic of photovoltaic generation function and dynamically regulated transmittance and transparency, andcan be applied to the fields of intelligent photovoltaic glass and building integration.

The invention relates to a method for dynamically regulating and controlling a metamaterial based on an IGZO Schottky diode. The IGZO Schottky diode comprises a substrate, a Schottky electrode, an amorphous indium gallium zinc oxide active layer and an ohmic electrode which are successively grown from bottom to top. The method comprises the following steps: (1) taking the metamaterial as the Schottky electrode, making the amorphous indium gallium zinc oxide active layer completely cover a capacitive structure in the metamaterial, and combining the capacitive structure in the metamaterial withthe amorphous indium gallium zinc oxide active layer to form a Schottky barrier; and (2) dynamically regulating and controlling the metamaterial through the IGZO Schottky diode processed in the step (1). In the invention, great dynamic modulation of electromagnetic characteristics including transmittance, reflectivity and absorptivity of the metamaterial is realized; and simultaneously, a resonantfrequency of a metamaterial structure design is not affected, the method can be applied to various metamaterial devices and plasmon devices with metamaterial structures, and dynamic regulation and control of electromagnetic waves transmitted in space and the electromagnetic waves transmitted on a surface is achieved.

The present invention discloses a room-temperature topology insulator terahertz detector and a preparation method thereof. The detector comprises in order from bottom to top: a substrate, an oxide layer, a bismuth selenide thin film, a log antenna and metal source and drain electrodes. The preparation steps of the device comprise the steps of: transferring the bismuth selenide thin film, being subjected to mechanical exfoliation, with a rich surface state onto the substrate, utilizing a method of ultra-violet lithography or electron-beam lithography and combining a traditional exfoliation process to prepare the log antenna and the metal electrodes taken as a source electrode and a drain electrode, and forming a bismuth selenide thin film field-effect transistor structure. The surface-stateelectrons of the bismuth selenide thin film and crystal lattices generate asymmetry scattering under the irradiation of Terahertz light so as to achieve detection of rapid terahertz in a room temperature. The terahertz detector has advantages of high speed, wideband, high response and high integration level, belongs to a photovoltaic detector and lay the foundation of large-scale application of the room temperature terahertz detector.

The invention discloses an intelligent calculating system and method for filtering screen loss of a purifier. The intelligent calculating system comprises an environmental monitor, a cloud server andthe purifier, and current air quality information is acquired through the independent environmental monitor and is sent to the cloud server; the cloud server controls the purifier to be adjusted to the matched wind speed level according to the current air quality information, and the air quality information and the matched wind speed information are utilized to calculate the filtering screen lossof the purifier; and when the cumulative filtering screen loss reaches the loss reminding threshold value, the cloud server actively sends a control instruction to the purifier, and finally the purifier receives the control instruction to remind users to replace the filter screen of the purifier. According to the intelligent calculating system and method for filtering screen loss of the purifier,the filtering screen loss is calculated directly by using the scientific method, the calculated filtering screen loss is compared with the cumulative purifying amount, energy is saved, environment isprotected, and maximum utilization of the filtering screen is really achieved; and early or late replacing of the filtering screen is avoided, and the complete demands of safe environment managing ofa user and cost saving are met.

The invention provides a broadband dynamic adjustable RCS reduction structure based on graphene and grating combination. The broadband dynamic adjustable RCS reduction structure is composed of a bottom metal layer, a dielectric layer, a graphene electronic control layer and a high refractive index grating layer which are arranged in sequence from bottom to top. The graphene electronic control layer is composed of high sheet resistance film layer, an ionic liquid infiltrated insulating dielectric layer and a PET substrate graphene layer. The high refractive index grating layer and the grapheneelectronic control layer form a multilayer structure. An RCS reduction bandwidth is expanded through combination of two methods of radiation loss and absorption loss and sheet resistance of graphene is changed through adjustment of a Fermi level of the graphene based on an external bias voltage, so dynamic control over RCS reduction strength is realized in a broadband range. The broadband dynamicadjustable RCS reduction structure has the advantages that on the basis of expanding the RCS reduction bandwidth through combination of the high refractive index grating layer and the graphene electronic control layer, the RCS reduction strength can be controlled in the broadband range through utilization of the external bias voltage, and the corresponding RCS reduction strength in certain state is greater than 10dB.

The invention discloses a magnetoresistive sensor structure and a manufacturing method thereof. The magnetoresistive sensor structure comprises a substrate, a buffer layer, a phase change structure, insulation layers and a conductive material electrode, wherein the buffer layer is arranged on the upper surface of the substrate; the phase change structure and the insulation layers are arranged on the buffer layer; the insulation layers are arranged on two sides of the phase change structure; the insulation layers are higher than the phase change structure; the conductive material electrode is arranged between tops of the two insulation layers; and the phase change structure comprises a ferromagnetic layer, a phase change material and a non-magnetic layer. The phase change material is used as a non-magnetic isolation layer, and the insulation phase change material can be converted into a conductive material under the function of current at room temperature, so that the magnetoresistive sensor can be controllably overturned between two effects such as GMR and TMR, thereby realizing the dynamic control of a linear measurement range of the magnetoresistive sensor.

The invention discloses a spatial light type electro-optical modulator based on a phase change material, and a manufacturing method thereof. The electro-optical modulator is formed by a multi-layer composite structure comprising a substrate, a lower electrode layer, a phase change layer, an upper electrode layer and a covering layer, and the upper electrode layer and the lower electrode layer respectively comprise N-bit metal micro-nano gratings and M-bit metal micro-nano gratings which are regularly arranged as electrodes and light field regulation units of the modulator. By controlling the bias voltage of the upper electrode and the lower electrode, the phase change material forms phase change areas with different crystallization degrees, so that the optical dielectric constant is obviously changed, and the reflected light and the resonance absorption peak of the modulator are dynamically electrically modulated. The modulator disclosed by the invention can realize spatial light modulation with N * M area array units, and the working frequency band is positioned in a middle infrared band of 3-10 [mu]m. When the phase change material is in an amorphous state, the device can realize perfect absorption close to 100%; and when the amorphous state and the crystalline state are converted, the modulation depth of about 80% is realized. Not only can the dynamic regulation and control of a perfect absorption peak be realized, but also the dynamic amplitude regulation and control of spatial incident light can be realized.

The invention discloses a bandwidth expanding microwave absorber based on cavity resonance and lumped elements, which comprises a bottom metal reflector plate, a dielectric substrate above the metal plate, and solid-state plasma resonance units on the dielectric substrate, wherein the resonance units are electrically connected with one other through resistors, and an air column inserted in the dielectric substrate. The absorber can absorb both TE polarized waves and TM polarized waves, and the excitation region of the resonant units composed of solid-state plasma can be programmed to excite different resonant units so as to achieve the purpose of dynamically regulating different frequencies of the microwave absorber; moreover, the working frequency of the absorber can cover multiple bandswhen the excitation region is selected properly, and the absorber can absorb lower frequency electromagnetic waves in a smaller physical size. The absorber has the characteristics of simple structure,programmable control, flexible design and strong functionality.

The invention belongs to the technical field of terahertz communication, and particularly relates to a terahertz band-pass filter structure unit which comprises an upper layer metal (1), a dielectric layer (2) and a lower layer metal (3) which are sequentially arranged in a stacked mode. The central points of the upper-layer metal (1), the dielectric layer (2) and the lower-layer metal (3) are located on the same axis, the lower-layer metal (3) is provided with a hollow hole (31), the upper-layer metal (1) is located right above the hollow hole (31), the upper-layer metal (1) and the lower-layer metal (3) form a complementary structure, structural units are periodically arranged and unfolded in a plane, and the terahertz band-pass filter is formed. According to the invention, the response frequency of the modulator is adjusted by using the change of the deflection angle between the complementary structures, and the continuous adjustment of the frequency is realized. In addition, the invention also discloses a continuous modulation method.

The invention discloses an instruction scheduling method and device based on data streams. The device includes M instruction counting boards, M independent counting devices and a PE scheduling counting device, and a plurality of counting bits and a plurality of flag bits are arranged in each instruction counting board, wherein the counting bits and the flag bits are in one-to-one correspondence; each independent counting device is used for recording the total number of flag bits which are set as 1 in a current function unit, and according to the execution conditions of instructions in function units, the PE scheduling counting device schedules the instructions. According to the instruction scheduling method and device, structural features of the data streams are fully taken into account and used, under the principle of compatibility, by monitoring the execution conditions of various instructions in a processor in real time and scheduling the instructions according to the execution conditions of the various instructions, the load imbalance problem existing in an instruction distribution stage in current computers is solved, the dynamic regulation, control and distribution of the instructions are achieved, not only are the utilization rate of each function unit and the controllable distributivity of resources greatly improved, but also the energy consumption is greatly reduced, and the instruction scheduling method and device have very wide application prospects.

The invention discloses an on-line dynamic regulation and control device and method for a heating station based on room temperature feedback, and relates to the technical field of heat supply system regulation and control. The device comprises a heating station water supply temperature model used for regulating and controlling the water supply temperature of the heating station, the heating station water supply temperature model comprises a heating station predicted water supply temperature model, and the heating station predicted water supply temperature model is used for regulating and controlling the water supply temperature of the heating station by introducing outdoor temperature high-temperature accumulation and outdoor temperature low-temperature accumulation in combination with outdoor temperature and historical cycle water supply temperature. The method is obtained based on multiple linear regression fitting. The method comprises the steps: acquiring the outdoor temperature, the outdoor wind speed, solar radiation, the heating station water supply temperature, the heating station water return temperature and the indoor temperature of a user; and calculating and acquiring the water supply temperature for heating station regulation and control according to a heating station water supply temperature model. Through the heating station water supply temperature model and the like, the heating station is higher in regulation and control efficiency and better in effect.

The invention relates to a contronllable medium chiral nanometer enhancement device and system, in particular to the field of chiral devices. The controllable medium chiral nanometer enhancement device comprises a substrate, a medium layer, a disulfide layer and a composite structure layer; an optical signal generates guided mode resonance in the composite structure layer and the dielectric layer, and generates surface plasmon polariton resonance on the metal upper surface, so that the heat loss and surface current of the disulfide layer are enhanced, the optical chirality of the composite structure layer is enhanced, and finally the purpose of enhancing the chirality is achieved. As a second nanorod,a third nanorod, a fourth nanorod and afifth nanorod are made of phase-change materials, the conductivity of the second nanorod, the third nanorod, the fourth nanorod and the fifth nanorod is changed due to the temperature change, and therefore the refractive index of the device is changed, that is, dynamic regulation and control of the CD signal are realized by changing the temperature.

The invention discloses a tunable hyperspectral infrared detector based on a conductive graphene plasmon, which comprises a detection function structure. The detection function structure comprises anelectrode layer, a graphene layer and a dielectric layer sequentially from top to bottom, and a first conductive periodic scatterer and a second conductive periodic scatterer disposed side by side andinsulated from each other. The detector of the invention not only realizes integration of spectral splitting and photodetection to realize hyperspectral detection of infrared light, but also greatlyreduces the weight and the volume of the conventional hyperspectral imaging system, lightweight and miniaturization are realized, and the application field of the thermal infrared hyperspectral imaging system is greatly expanded. Accordingly, the invention also provides a detection function structure for the tunable hyperspectral infrared detector and a hyperspectral imaging device.