757results about How to "Guaranteed normal output" patented technology

Signal repeater system of the general type that facilitates using various standards and various modulation types to improve properties with various infrastructure, in particular power grid systems.

The invention relates to dynamic loading methods based on a servo motor, belonging to the field of motors and solving the problem that the properties of a direct-current motor can not satisfy the requirements of an electric loading system. The first method comprises the following steps of: transmitting a driving torque instruction value and an initial braking torque instruction value by utilizing a system controller according to the given loading spectrum to drive a measured motor to rotate; meanwhile, driving a loading motor to generate a braking torque for loading the measured motor; and then, feeding back the actual output torque value applied to the measured motor by the loading motor through adopting a torque / rotary speed sensor, and regulating the braking torque instruction value by utilizing the system controller according to a deviation so that the actual output torque value applied to the measured motor by the loading motor rapidly tracks the initial braking torque instruction value. The second method of the invention comprises the following steps of: calibrating the input and output torque relation curve of the loading motor by using the torque / rotary speed sensor, and then transmitting the driving torque instruction value and the braking torque instruction by using the system controller according to the given loading spectrum and the relation curve to load the measured motor.

The invention discloses a shifting register unit, a driving method, a gate driving circuit and a display device, and belongs to the technical field of displays. The shifting register unit includes aninput sub-circuit, an output sub-circuit, a discharging sub-circuit and a noise reduction sub-circuit , wherein the discharging sub-circuit is respectively connected with the input signal terminal, the first power terminal and the pull-down node for outputting the first power signal to the pull-down node under the control of the input signal. In the shift register unit provided by the present invention, the discharging sub-circuit can control a potential of the pull-down node to be an inactive potential during an input phase, so as to prevent the noise reduction sub-circuit from affecting thepotentials of a pull-up node and an output terminal under the control of the pull-down node, and ensure the normal output of the shifting register unit.

The invention discloses a three-dimensional printing method and a system thereof, and relates to the field of three-dimensional printing. The method comprises the following steps: reading model data, determining the shape of a model, and presetting the model in a default printing direction; determining that whether the model exceeds a printing volume or not and / or the model needs support or not in the current printing direction; traversing the rotation angle to screen a smallest boundary distance printing direction as a practical printing direction if the model exceeds the printing volume; screening a smallest support volume and large bottom area printing area by using a support system generation algorithm as a practical printing direction if the model needs support; adopting the default printing direction as a practical printing direction if above two phenomena do not exist; and afresh setting the model data in the practical printing direction, and controlling a nozzle to carry out three-dimensional printing in the practical printing direction. The method and the system allow a three-dimensional digital model to be preprocessed and printing to be carried out in a preferably selected most appropriate and reasonable printing direction, optimize the printing result, and improve the printing success rate.

The invention provides a shifting register unit, a shifting register and a display device. The shifting register unit comprises an input module, a pull-up module and a pull-down module, wherein the pull-up module comprises a pull-up transistor; the shifting register unit further comprises a control voltage generating module; the first end of the control voltage generating module is connected with the output end of the input module; the second end of the control voltage generating module is connected with a grid electrode of the pull-up transistor; the control voltage generating module comprises a first memory capacitor, an antiphase submodule and a pull-up control submodule; the output end of the antiphase submodule is connected with the grid electrode of the pull-up transistor; the output end of the pull-up control submodule is connected with the first end of the first memory capacitor and the input end of the antiphase submodule. The shifting register unit disclosed by the invention can reduce the influence of suspension points in the shifting register unit on output, and improve the output stability.

The invention discloses an automatic dust removing device for a solar cell assembly. The dust removing device comprises a direct-current motor power supply switch, a direct-current motor, a ball screw, a linear guide rail and an electrostatic brush, wherein the electrostatic brush comprises an electrostatic generator and fan power supply switch, an electrostatic brush cover, a vent, an electrostatic generator, a fan, an electrostatic net, a dust absorption brush and a dust storage chamber; and the electrostatic brush moves up and down on the surface of the assembly during working and absorbs dust by using electrostatic effect, so that the purpose of removing the dust is fulfilled. The device has high automation degree and high work efficiency, saves a large amount of manpower and material resources, and can effectively remove the dust on the surface of the assembly so that the solar radiation intensity on the surface of the assembly is maximum and normal power output of the assembly is ensured; and through the device, hot spot effect in the assembly can be avoided, the assembly is protected, and the service life of the assembly is prolonged.

The invention discloses a planting method of organic paddy rice. The planting method of the organic paddy rice comprises comprehensive management to the paddy rice including substrate treatment, soil treatment, disease control, pest control and weed control, and has the advantages that EM (effective microorganism) compost is used, so that quantities of bacteria, fungus and actinomyces, microbial activity and organic content of soil are improved; the disease resistance of rice seeds and seedlings is improved by soaking seeds and seedlings by EM solution and spraying bacterium solution and lime sulphur, and the generation and diffusion of rice blast can be effectively controlled by planting different varieties of paddy rice at intervals in a paddy field; pest eggs and larvae in the paddy field can be killed by culturing loaches, river crabs or ducks or by light trap and the like; the growth of weeds can be inhibited by green manure; rice chaff can consume oxygen in water so as to hinder the root development and seed germination of the weeds and hinder photosynthesis of the weeds. Compared with current disease prevention method which kills pests by pesticides, the planting method of the organic paddy rice completely eradicates harm of pesticide residue on soil foods, and can ensure yield at the same time, thus being an effective method for producing the organic paddy rice.

The embodiment of the invention provides a shift register unit, a gate drive circuit and a display device, and can enhance the output capacity of a signal output end and shorten the fall time of output waveform. The shift register unit provided by the invention comprises a first output module, a second output module, an input module, a drop-down control module, a drop-down module and a reset module, wherein under the control of a pull-up control node, the signal of a clock signal end is output to a signal output end; under the signal control of a signal input end, the voltage of a first power supply end is output to the pull-up control node; under the signal control of the signal input end, the signal of a drop-down control node drops down to the voltage of a second power supply end; under the control of the drop-down control node, the signals of the pull-up control node and the signal output end drop down to the voltage of the second power supply end; under the control of a reset signal end, the signal of the first power supply end is output to the drop-down control node. The shift register unit, the gate drive circuit and the display device, provided by the embodiment of the invention, are applied to the production and manufacturing of display panels.

The invention discloses a biological circulation fluidized bed combustion method and a biological fueled circulation fluidized bed boiler; the fluidized bed boiler comprises a boiler cavity, a clutch, a material refeeder, a tail chimney, wherein, the boiler cavity is provided with a superheater high temperature section, and the tail chimney is provided with a superheater low temperature section. Through the arrangement of heating surfaces of the boiler cavity and the tail chimney and other auxiliary measures, the temperature of the upper part of the boiler cavity is controlled at 550 to 800 DEG C, the outlet steam temperature of the tail heating surface is controlled at 350 to 400 DEG C, so as to solve the problem that: the temperature distribution of the boiler cavity is unreasonable, and the material concentration of the lower part of the boiler cavity is too low when the biological fuels are combusted in the circulation fluidized bed based on the stable fire, complete consumption of biological fuels , so that the temperature distribution in the boiler cavity tends to be equalized and the boiler cavity can be prevented from clinkering, and the accumulated ashes on the heating surfaces can also be prevented from being clinkered, furthermore, the boiler output capacity can be ensured, and a high steam parameter can also be achieved to ensure the generation efficiency.

The invention provides a method for cultivating earthworms. The method comprises the steps that first, a base box body is sequentially filled with river stones, gravel and silver sand, an earthworm cultivation box is placed on the base box body, organic waste mixtures are arranged in the earthworm cultivation box, then earthworm seedlings are put into the earthworm cultivation box, after the earthworms are cultivated for 30 days, organic waste mixtures are continuously added into the earthworm cultivation box until the earthworm cultivation box is filled with the organic waste mixtures; earthworm cultivation boxes are continuously placed on the earthworm cultivation box filled with the organic waste mixtures, after the earthworm cultivation box at the top layer is filled with the organic waste mixtures, the earthworm cultivation box at the bottom layer is drawn out, and the earthworm cultivation box is placed back to the top layer after earthworm cast in the earthworm cultivation box is cleaned away to achieve circulation cultivation. The method for cultivating the earthworms has the advantages that the facts that earthworms are bred from generation to generation, are inbred and are in variety degeneration are avoided, and breed conservation and reproduction of the earthworms can be better achieved. Adult earthworms are harvested conveniently, the living and incubation environment of the earthworms is not damaged, the incubation rate is guaranteed, and the method is suitable for earthworm industrial large-scale cultivation.

The invention relates to a power output control method and device as well as a power feedback control method and device. According to SOC and temperature of a power battery, maximum allowed output power value and maximum allowed charging power value can be obtained; and then the actual power of a vehicle is compared with the obtained maximum allowed power value of the power battery; and accordingto the comparison result, the power battery is correspondingly controlled. Therefore, the power output control method is power active control so that the optimal state of the vehicle power demand canbe guaranteed and the over-discharge and over-charge of the power battery can also be avoided to avoid the damage to the power battery; and the normal input or output of the power battery is guaranteed.

The invention discloses a framework for protecting key data based on mimicry defense. The framework comprises a heterogeneous redundant execution body, a dispatcher, a decision device and a mimicry converter, excitation is input from the dispatcher and then enters the heterogeneous redundant executor, and the mimicry converter is connected with the dispatcher, the adjustor and the mimicry converter and carries out mimicry conversion through dynamic scheduling and negative feedback control. The heterogeneous redundant executor processes the input excitation of the distributor and then outputs the processed input excitation to a decision device, and the decision device outputs a response; according to the technical scheme, the architecture is applied to data protection, so that the difficulty of stealing and tampering protected data can be greatly improved, and key data can be better protected.

The invention discloses a shift register unit, a driving method, a gate driving circuit and a display device, and belongs to the technical field of display. The shift register unit includes an input circuit, an output circuit, a reset circuit, a first pull-down control circuit, a second pull-down control circuit, and a pull-down circuit. The first pull-down control circuit can control the potential of a pull-down control node to be an inactive potential under the control of a first input signal, prevent the second pull-down control circuit from controlling the potential of the pull-down node to be an effective potential under the control of a pull-down control node, prevent the pull-down circuit from affecting the charging of a pull-up node under the control of the pull-down node, and improve the charging efficiency of the pull-up node, so that when the refresh rate of the display device is high, the input circuit can also effectively charge the pull-up node. Moreover, since the firstpull-down control circuit directly controls the potential of the pull-down control node, the efficiency of controlling the pull-down node to the inactive potential is improved, and the problem that the pull-down circuit affects the potential of the pull-up node is further avoided.

The invention provides a composite magnet manufacturing method using neodymium iron boron magnetic sheets. The method includes combining a plurality of magnetic sheets with surface roughness Ra less than 10.0 micrometer; allowing the magnetic sheets to contact with each other by self-weight and / or pressurization; performing heat treatment on the combined magnetic sheets at the temperature of 600 to 1100 DEG C for 1.0 to 24.0 h. The pressure of the contacting faces of the magnetic sheets ranges from 0.002 kg / cm2 to 100.0 kg / cm2. According to the method, the magnetic sheets serve as basic units, and the magnetic sheets are combined to form a composite magnet by hot pressing and adhering. The method has the advantages that the composite magnet with optional thickness made of neodymium iron boron magnetic sheets produced by a grain boundary diffusion process; producing efficiency of production process is high; usage of heavy rare earth elements is reduced, and cost is reduced effectively; the produced composite magnet has high magnetic property or special magnetic property and can meet mechanical property requirements of industrial application.

The invention is suitable for the technical field of communication, and provides a multimedia playing method of a terminal. The multimedia playing method comprises the following steps of: detecting the activities of people in a preset watching area of the terminal; and controlling the multimedia playing mode of the terminal according to the activities of the people in the preset watching area of the terminal. Correspondingly, the invention provides the terminal. Thereby, the multimedia playing mode of the terminal is controlled according to the specific activities of the users, so that the electric quantity of the terminal is saved.

The invention provides an information processing method which is used for solving the technical problem that the effect of outputting audio by electronic equipment is poor in the prior art. The method comprises the following steps of determining at least one characteristic parameter of audio information to be output; determining a vulnerable audio segment in the audio information to be output according to the at least one characteristic parameter; repairing the vulnerable audio segment to obtain a first repaired audio segment corresponding to the vulnerable audio segment; replacing the vulnerable audio segment by the first repaired audio segment to obtain first repaired audio information corresponding to the audio information to be output.

The invention provides an audio channel switching method, device and system. The method includes the following steps that a request for audio channel switching is received; sending of video data to a video decoder and sending of audio channel data to an audio decoder are stopped; a stream buffering area of the audio decoder is emptied, and a frame buffering area of the audio decoder is not emptied; new audio channel data in the audio channel switching process are read from file or network streams and sent to the stream buffering area of the audio decoder. The audio channel switching method saves memory space and is relatively applicable to low-end products with low memory configuration, normal output of audios can be ensured, and the phenomenon of clamping and pausing can be avoided. Due to the fact that read new audio data can be joined with the audio channel data of the frame buffering area of the audio decoder, the phenomenon of clamping and pausing in the audio channel switching process is avoided and the phenomenon that audio output does not occur within a short time is avoided. Thus, smooth transition of audio track switching can be achieved.

The invention relates to a power supply system without passing neutral phases in the whole journey of a high-speed passenger transport line electric multiple units (EMU), and belongs to the field of power supply of high-speed EMU. A cantilever at the upper end of an anchoring section pillar is provided with two catenary wires, the catenary wires are connected with droppers, the droppers are connected with a single-phase alpha contact line and a single-phase beta contact line which are output from the secondary side of a traction transformer, the single-phase alpha and the single-phase beta are parallel, are insulated with each other, are input into the internal power supply system of the EMU through double-phase pantographs and are connected with a basic power supply unit TUB1 and a basic power supply unit TUB2 respectively, and the basic power supply unit TUB1 and the basic power supply unit TUB2 are separate with each other. No circuit breaker switch or neutral insulating section is needed to be arranged on the single-phase alpha and the single-phase beta, and no negative-sequence current generates in a three-phase high-voltage supply network. The invention further provides a circuit structure used for improving a CRH1-model 8-compartment EMU and a CRH5-model 8-compartment EMU into a 6-compartment EMU, a 10-compartment EMU, a 12-compartment EMU and a 16-compartment EMU recombined by two 8-compartment EMUs and for brake regenerative braking.

The invention discloses a smooth satellite selection method for a signal source of a navigational satellite system. The method comprises the following steps of first satellite selection and subsequent satellite selection, wherein the step of subsequent satellite selection comprises the following substeps of: taking a satellite which is selected last time and is visible this time as a selected satellite this time; selecting NUM satellites and judging a geometric dilution of precision (GDOP) value; modifying newly selected satellites if selection modification is required, and the like; and moreover, in the step of subsequent satellite selection, a judging rule of ascending satellites and descending satellites, a priority sorting rule and a corresponding process flow are newly introduced. Bythe method, the number of variable satellites in two adjacent satellite selection results is reduced, the smoothness of the satellite selection results is kept, a receiver for receiving a navigation signal transmitted by the signal source has high positioning accuracy at a satellite changing moment on the premise of meeting the requirement of positioning accuracy, and a phenomenon that positioning cannot be performed in a short time is avoided basically.

A link plate stringing machine comprises a frame, a hopper, a feeding tank, a monolith tank, a discharge tank and a pushing device, wherein, the hopper takes the shape of a cylinder, the feeding tank is arranged on the periphery of the hopper and integrated with the cylinder body. The monolith is arranged on a vibrating bracket; an discharge outlet of the hopper is communicated with the feeding tank, a plurality of gradually rising spiral feeding rails are arranged in the feeding tank, and clearance is kept between the feeding rails; the monolith tank is composed of a plurality of monolith rails, a step is respectively formed at inlets of the monolith rails and outlets of the corresponding feeding rails, the monolith rail behind the step takes the shape of a tunnel, and the wall of the monolith rail in the shape of the tunnel is provided with gaps in the axial direction; the monolith rails are respectively provided with a pushing rod hole for accommodating the pushing device, the outlets of the monolith rails are butt-jointed with the inlet of the discharge tank. By adopting the link plate stringing working procedure on the frame, the link plate stringing machine has the advantages of solving the existing defects of loose mechanical structure, bad reliability, slow strip stringing speed, low production efficiency and only being applicable to dry strip stringing work.

The invention relates to a photovoltaic photo-thermal joint hydrogen production system. The photovoltaic photo-thermal joint hydrogen production system comprises a light condensing device, a spectroscopic device, a photovoltaic and photo-thermal integrated device, a heat transfer pipeline, a water tank, an electrolyzing device and a hydrogen-water separating device, wherein the photovoltaic and photo-thermal integrated device comprises a photovoltaic assembly, a heat collecting plate and a heat pipe; and the electrolyzing device comprises an electrolytic cell and an electrolytic water pipeline which forms a circulating loop with the electrolytic cell. The invention also provides a use method of the photovoltaic photo-thermal joint hydrogen production system. Compared with the prior art, the photovoltaic photo-thermal joint hydrogen production system has an advantage that the total utilization efficiency of solar energy is effectively improved. The heat pipe aims at effectively lowering the temperature of the photovoltaic assembly with the heat transfer effect in order to increase the electrolytic hydrogen production efficiency by 10-15 %; the electrolytic water exchanges heat with a hot water system so as to raise the temperature of the electrolytic water, and thus the electrolytic hydrogen production efficiency of the system can be increased by 5 to 7%. The total hydrogen production efficiency of the system can be increased by about 20%, and the thermal efficiency can be increased by above 60%.

The invention discloses a grid-connected power generation overvoltage adjustment method for a distributed-type photovoltaic power supply. The method directly cooperates with an MPPT module for use according to the magnitude of the voltage of a grid-connected point. When the voltage of the grid-connected point is in different sections, whether the MPPT module is locked or not is selected and the power is limited at the same time. The overvoltage adjustment is achieved based on a P-U sagging method, and a function of overvoltage adjustment is implanted into a conventional photovoltaic inverter, thereby enabling the conventional photovoltaic inverter to have a function of grid-connected inversion under the condition that a power grid is normal. The output can be automatically adjusted according to the condition of the voltage of the grid-connected point so as to achieve overvoltage adjustment, thereby guaranteeing that the grid-connected point voltage is within a normal range, further preventing the distributed-type photovoltaic power supply from being split with the power grid after being connected with the distribution network because of overvoltage, improving the permeability of the distributed-type photovoltaic power supply to some extent, further guaranteeing the safe and stable operation of the power grid, increasing the amount of photovoltaic power generation, and providing theoretical basis for the building of a large-scale distributed-type photovoltaic power supply.

The invention provides a shift register unit and a driving method thereof, a gate driving circuit and a display device, which relate to the technical field of display and are used for improving the problem that the potential of a pull-up node is lowered due to leakage current and the gate scanning signal output from a signal output terminal is trailed. The shift register unit includes a first input sub-circuit for transmitting a signal of the first signal input terminal to a pull-up node under the control of the first signal input terminal; a second input sub-circuit for transmitting the firstsignal input terminal to the pull-up node; a first output sub-circuit for transmitting a signal of the first clock signal terminal to the first signal output terminal under the control of the pull-upnode; and a second output subcircuit configured to transmit a signal of the second clock signal terminal to the second signal output terminal under the control of the pull-up node.

The embodiment of the invention provides an energy recovery controlling method and device for a range extending electric automobile. The method mainly comprises the following steps: when a range extender of the electric automobile operates, acquiring the generated output of the range extender of the electric automobile Pzc and the braking recovery power Pzd under braking or backing up sliding working conditions according to automobile speed information of the automobile; adding the generated output of the range extender Pzc and the braking recovery power Pdz to obtain precharge power Pyc; comparing the precharge power Pyc and maximal permitted charge power of a power battery Pyx; confirming current applied braking recovery power of the range extender of the electric automobile according to the comparison result. According to the invention, charge power under a range extending working mode is supervised and limited according to rated permitted charge power; when precharge power is higher than the rated permitted charge power, energy recovery is conducted by gradient limitation; normal output of the range extender power is ensured while efficiently protecting the charging power of the power battery to be within a safe range; the range extender is enabled to work in optimal operating state as far as possible.

The invention provides a power battery main negative relay state detection circuit and method. The power battery main negative relay state detection circuit comprises a power battery high-voltage circuit and a high-voltage controller, wherein the high-voltage controller includes an insulation detection circuit and a grounding branch circuit, a first terminal of the insulation detection circuit isconnected with the positive electrode of a power battery, a second terminal of the insulation detection circuit is connected with the negative electrode of the power battery, the grounding branch circuit includes a first switch and a test resistor, a first end of the first switch is connected with a third terminal of the insulation detection circuit and grounded, a second end of the first switch is connected with a first end of the test resistor, and a second end of the test resistor is connected with a second end of a negative electrode relay. The invention adopts a method of introducing thegrounding circuit, which is not only simple and feasible but also eliminates unsafe factors in the high-voltage electrifying process of the power battery compared with a method of additionally arranging a plurality of detection circuits and measuring resistors in the prior art.

The invention relates to a scanning and transceiving integrated remote sensing measuring device and method for motor vehicle exhaust based on TDLAS-based (tunable diode laser absorption spectroscopy-based). Emergence wavelength of lasers covers target absorbing peaks of gas under test through temperature and current control of the lasers; a free light output multi-wavelength coupling unit provideshigh coaxiality or superposition of multiple beams; the coupled beam gains transceiving integration and beam scanning through an off-axis parabolic mirror and a rotating hexahedral reflector; the rotating hexahedral reflector enables the coupled beam to scan exhaust emission plumes and reach strip reflecting stickers on a ground; the transceiving integrated structure focuses light, reflected by the reflecting stickers, to a detector; a detector signal is received and processed by an acquisition processing unit so as to exhaust emission information; the device also includes a wavelength locking unit that locks wavelength of each laser in real time; frequently calibrating a system is not required. The device has high sensitivity and high spectral definition, and is suitable for real-time efficient measurement of exhaust emission.

A pan-tilt control method and apparatus, a storage medium and an unmanned aerial vehicle are provided. The method includes acquiring a current viewing angle of an image pickup device provided on a pan-tilt; determining an adjustment strategy for adjusting the pan-tilt according to the current viewing angle; and adjusting the pan-tilt according to the adjustment strategy so that the image pickup device can output a stable image. The pan-tilt control method, the apparatus and the storage medium effectively overcome problems influencing stable output of camera images in the prior art and being not conducive to the acquisition and monitoring of the data information, and also ensure accuracy of images collected by the image pickup device, thus improving practicality of the pan-tilt control method and facilitating promotion and application in the market.

The invention provides an automatic static pressure regulation control method and system for an air duct type indoor unit. The method includes the following steps that after being powered on, a direct-current motor of the indoor unit is controlled to run at the rotating speed corresponding to preset static pressure, a running current value is detected after the direct-current motor runs for a first period of time, whether the detected running current value is within a target current range corresponding to the preset static pressure is judged through comparison, and stable regulation control over static pressure is conducted according to judgment and comparison results. The rotating speed of the direct-current motor is automatically regulated by comparing the detected running current value with the target current range, so that the air duct type indoor unit keeps output of a constant air volume in the installing and using process all the time, and the requirement of users for use comfort is met.

The invention relates to a photovoltaic low-voltage crossing method containing reactive power current injection. There are many existing photovoltaic low-voltage crossing methods in the prior art, but the control effect of a photovoltaic inverter on power is not fully utilized. Under the condition of a not serious voltage drop, the photovoltaic active power output is unchanged, and reactive power is provided as far as possible; and under the condition of a serious voltage drop, no photovoltaic active power is output, and all output is reactive power. In addition, under a grid power asymmetric fault, negative sequence control is introduced to eliminate the active power fluctuation caused by negative sequence components, and a maximum reactive power set value calculation formula is derived out. According to the voltage drop conditions, the control capability of photovoltaics over the active power and the reactive power is fully utilized, and under a certain condition, the output of the active power is ensured and the reactive power is provided to the largest extent, so that the voltage recovery of grid connection points is facilitated.