435results about How to "Good control effect" patented technology

The present invention discloses piezoelectric electricity generating method and system utilizing vibration energy of vehicle track. Piezoelectric device is set in the vibration reducing layer of track, so that the vibration energy is utilized to generate electricity for storage and use. The piezoelectric electricity generating system includes at least one piezoelectric device set in the vibration reducing layer of track to convert the vibration energy into electric energy; one electric converter to regulate and convert the generated electric energy for accumulation or driving load; and one energy accumulator connected together. The present invention utilizes the vibration energy of vehicle track and may produce semi-active vibration reducing and noise lowering effect.

The invention discloses a Beauveria bassiana HFW-O5 bacterial strain CGMCC No.2356. The bacterial strain is separated from the Bemisia tabaci corpse in the tomato greenhouse in the suburb of Baoding city. The bacterial strain has no harmful effects for the human beings and the survival environment of the human beings and has very high toxic effects for the Bemisia tabaci, small white butterflies, aphids and other pests, the field efficacy trials for the field prevention and treatment of Bemisia tabaci, small white butterflies, aphids and other pests prove that the prevention and the treatment effects of the three pests of Bemisia tabaci, small white butterflies and aphids can achieve more than 70 percent.

An unmanned aerial vehicle capable of performing monitoring shooting and controlling through smart glasses comprises an unmanned aerial vehicle body, a camera seat, a control bracket, the smart glasses and a controller, wherein the camera seat is fixed below a front end of the unmanned aerial vehicle body through the control bracket, a pair of unmanned aerial vehicle signal emitting and receiving devices is arranged at the front end of the unmanned aerial vehicle body, the smart glasses comprise a smart glasses body, supporting legs, supporting leg connection hinges, a smart glasses signal emitting and receiving device, a button, a glasses frame bracket for a display screen, the display screen, a columnar image projector, an eyeball position inductor, a bracket connection hinge and an inductor fixing bracket, and the controller corresponds to the unmanned aerial vehicle signal emitting and receiving devices through a built-in signal emitting and receiving device. According to the unmanned aerial vehicle, three-dimensional (3D) imaging technology and unmanned aerial vehicle and smart glasses technology are combined, users may feel immersive, control effects are better by means of a wristband for controlling, framing authenticity is high, the whole device is easy to carry, and real monitoring effects on the unmanned aerial vehicle can be achieved when the users stand on the ground.

The invention discloses a broad-spectrum antibacterial effect of Bacillus velezensis 3-10 and its application in prevention and treatment on banana diseases. The strain is preserved in the Guangdong provincial microbial culture collection center on April 30, 2018 and has a preservation number of GDMCC NO. 60366. The strain 3-10 has broad-spectrum antibacterial effects on banana bacterial soft rotpathogen, Ralstonia solanacearum, xanthomonas campestris, peach rot pathogen, Clausena lansium rot pathogen, colletotrichum capsici, colletotrichum gloeosporioides, banana fusarium wilt pathogen, rhizoctonia solani, Xanthomonas oryzae pv. oryzae, peronophythora litchi, magaporthe grisea, ustilago maydis and Xanthomonas campestris pv., can significantly alleviate the occurrence of banana bacterialsoft rot and banana wilt, and has better effects in a pot experiment. The strain can be used to develop a broad spectrum of biological pesticide for preventing and treating important crop bacterial and fungal diseases and especially for preventing and treating banana diseases.

The invention relates to the application of gallnut extract as the antiseptic and antiseptic containing the gallnut extract. The gallnut extract mainly comprises at least one of the following extracted compounds: Chinese tannin, five gallanilide glucose (1, 2, 3, 4 and 6-Five-O- gallanilide-Beta-D-glucose) and multiply gallanilide glucose (Six or Seven to twevel gallanilide glucose). The invention has good effects for preventing and curing a plurality of crop diseases and is good for environment, which is characterized by low residue, high prevention effect, a plurality of action points and difficulty of generating drug resistance for germina.

The invention discloses a camellia nitidissima Chi flower extract as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing camellia nitidissima Chi flower with shell powder, mechanically smashing through a press-shear assisted interaction technology and extracting through water or ethyl alcohol, wherein the extraction temperature is 80-100 DEG C, the camellia nitidissima Chi flower extract contains 20-40 wt% of total flavonoids, 20-40 wt% of saccharides, 1-10 wt% of tea polyphenol and 1-10 wt% of total saponins. The invention further provides application of the camellia nitidissima Chi flower extract to preparation of drugs for treating or preventing non-alcoholic fatty liver. The camellia nitidissima Chi flower extract provided by the invention can reduce the fatty liver level of the non-alcoholic fatty liver, reduce both TG and TC in blood and the liver and has less toxic and side effects and a better treatment and prevention effect on the non-alcoholic fatty liver.

The invention discloses a multi-channel active noise control system for a power transformer which can separately or simultaneously reduce the components approximate to 100Hz, 200Hz and 300Hz in noises of the power transformer and has high degree of automation and a good noise reduction effect. Compared with the noise reduction method of the traditional transformer, the system has a good noise reduction effect on the noise peak approximate to 100Hz, 200Hz and 300Hz; under an ideal condition, the magnitude order of the environmental noise can be reduced to at the microphone; the system manages the input and output of signals in a distributed manner by using a quad-channel signal condition/driving module, has good passageway expansibility and is convenient to realize and maintain; a man-machine interactive module facilitates to manage operation and exchange data; and in addition, the multi-channel active noise control system is less affected by the installation space of the field and is beneficial to the ventilation and heat dispersion of the power transformer.

The invention provides an OBD diagnosis and treatment method of a diesel engine SCR aftertreatment system. The SCR aftertreatment system comprises an SCR catalyst, a urea nozzle, an upstream NOx sensor, an upstream NH3 sensor, an upstream temperature sensor, a downstream NOx sensor, a downstream NH3 sensor and a downstream temperature sensor, wherein the urea nozzle, the upstream NOx sensor, the upstream NH3 sensor and the upstream temperature sensor are located on the upstream portion of the SCR catalyst, the downstream NOx sensor, the downstream NH3 sensor and the downstream temperature sensor are located on the downstream portion of the SCR catalyst, and the OBD diagnosis and treatment method comprises following steps that S1, an SCR catalyst chemical reaction dynamical model is built;S2, an SCR catalyst temperature model is built; S3, a self-adaptation sliding-mode observer is built; S4, an OBD system is subject to stage treatment. According to the OBD diagnosis and treatment method, through the stage treatment strategy, the failure diagnosis precision can be obviously improved, the emission regulation need of the nation V or higher can be met, an engine is subject to torque limiting, sensor measuring value is replaced with model calculation value, normal running of the system is ensured, and the better control effect is achieved.

The invention refers to a kind of strain for curing cotton verticillium wilt and the producing method for the fungus agent, the fungus strain is Bacillus subtilis NCD-2 strain CGMCC1019. The method uses three-level yeasting process, the inoculated strains is bacillus subtilis NCD-2; the temperature of liquid yeasting is controlled in 28-37deg.C, the initiative pH value is controlled between 7.0-8.0. on base of strain liquid yeasting, it compounds several kinds of additives and produces into agent, or condensates the yeasted liquid and gets the gemma of a fungus, then they are blended with solid fillers according to proportion 1:1000, then they are produced into solid formulation through drying and crushing. The method can be used to cure the verticillium wilt of cotton, the effect is prominent, the effect can reach 56.3-92.6%, and it has no contamination, harm, its cost is low, and it is convenient to be wide popularized.

The invention relates to an active noise control device used for a range extending type electric automobile. The active noise control device comprises a signal acquisition and processing system, a reference signal generation system, a self-adaption active control system, a secondary sound source generation system, an error signal acquisition system and a range extender working mode judgment system. The signal acquisition and processing system comprises a frequency identification unit used for identifying the noise frequency needing to be controlled. The reference signal generation system selects the noise frequency needing to be controlled and generates reference signals according to signals output by the range extender working mode judgment system. Compared with the prior art, the active noise control device has the better noise suppression effect.

The invention discloses an injecting type biological prevention and control method in a solenopsis invicta nest. The injecting type biological prevention and control method is characterized by comprising the following steps: utilizing an injection device to insert a solenopsis invicta preventing and controlling agent containing pathogenic microorganisms into the solenopsis invicta nest, spraying the agent to each depth and position of the solenopsis invicta nest, and uniformly sprinkling the agent on solenopsis invicta bodies in each depth and position of the solenopsis invicta nest. Through utilizing the prevention and control method, the contact area of the pathogenic microorganisms and target insects can be increased, and solenopsis invicta nest moving phenomena caused by the damage of nest irrigation and chemical application on the ant nest are avoided; and besides, the humidity in the nest can be properly increased, and the environmental condition that the solenopsis invicta is infected with the pathogenic microorganisms is improved, so that the solenopsis invicta is more easily infected with various pathogenic microorganisms, and the insecticidal activity of the pathogenic microorganisms on the solenopsis invicta is enhanced. The injecting type biological prevention and control method has great prevention and control effects and finally achieves prevention and control purposes.

The invention discloses a sterilization composition containing pydiflumetofen and triazole fungicide, and application thereof to prevention and control of various fungus diseases of crops. The composition is prepared from a first active ingredient of pydiflumetofen, a second active ingredient of triazole fungicide including one kind of materials or several kinds of materials from tebuconazole, hexaconazole, difenoconazole, epoxiconazole, flusilazole, triticonazole, metconazole, ipconazole, propiconazol and prothioconazole, and various auxiliary agents; the weight ratio of the first active ingredient to the second active ingredient is 1:50 to 30:1; the ratio of the sum weight of the first ingredient and the second ingredient to the total weight of the composition is 1 percent to 90 percent. The composition can be prepared into agricultural allowable suspension, dispersible oil suspension, wettable powder, water dispersion particles, missible oil and microemulsion. The sterilization composition has the advantages that the ingredients are reasonable; the sterilization effect is good; the activity and the sterilization effect are not the simple accumulation of the activity of all ingredients. Compared with the existing single preparation, the sterilization composition has the advantages that the obvious sterilization effect is realized; the obvious synergistic effect can be achieved; the safety on the crops is high. The sterilization composition has the obvious prevention and control effects on fusarium graminearum, marssonina coronaria, cercosproa musae, rhizotonia cerealis, rhizoctonia solani and the like.

The invention relates to an imidacloprid complex pesticide for controlling the pest of willow twig gall midge. Active components in each 100 parts of the imidacloprid complex pesticide comprise, by weight, 9 to 11 of imidacloprid, 7 to 9 of angled bittersweet, 4 to 6 of lilac daphne flower bud, 4 to 6 of cyrtomium rhizome, 4 to 6 of neem fruit, 4 to 6 of euphorbia root, 4 to 6 of lightyellow sophora root, 4 to 6 of garlic, 4 to 6 of coptis, 4 to 6 of daturae flower, 2 to 3 of betel nut, 2 to 3 of common cnidium fruit, 2 to 3 of broom cypress fruit, 2 to 3 of Chinese honey locust leaves, 2 to 3 of ailanthus leaves, 2 to 3 of pine needle, 2 to 3 of stemona root and 2 to 3 of common threewingnut root. Each of the above-mentioned Chinese herbal medicines is extracted by using water or an organic solvent, and all the obtained extract products are used as raw materials for the pesticide. Production cost for the imidacloprid complex pesticide provided in the invention is low, and the raw materials are widely available; the pesticide has the characteristics of high efficiency, low toxicity, high security and environmental protection, enables resistance not to be generated and has special efficacy on controlling the pest of willow twig gall midge.

The invention discloses a vertical take-off and landing control method for a quad-tilt-rotor unmanned aerial vehicle. Firstly, a control platform for the quad-tilt-rotor unmanned aerial vehicle is constructed, and posture data are collected by using various sensors comprehensively. Specific to different models of yaw angles and roll angles, the invention discloses a control method based on linear secondary optimization and a control method based on model reference slip form. The method comprises the following steps: (1) performing dynamics analysis on the aerial vehicle to obtain a yaw angle model and a roll angle model, and identifying a system to obtain model parameters; (2) designing a yaw angle controller and a roll angle controller respectively on the basis of the models; (3) acquiring a posture measuring system by using various sensors; (4) performing real-time posture control on the quad-tilt-rotor unmanned aerial vehicle by using the control method in the step (2) and measured data of the posture measuring system obtained in the step (3).

The invention discloses an H-infinite PID-based active suspension rack control system and control method. The control system comprises an inner ring and an outer ring, wherein the inner ring comprises a vehicle, a vertical vibration accelerometer and a suspension rack controller; the outer ring comprises a current controller and an actuator. H-infinite control of an active suspension rack can be realized via a main ring according to different pavement excitation, and expected active force can be realized via an inner ring control actuator. Corresponding parameters of PID control can be obtained via H-infinite control theories, and the active suspension rack is enabled to work in an optimal state all along. According to the active suspension rack control system and control method, three parameters of the PID control can be obtained via H-infinite control theories, a problem that good PID control effects can be exerted but parameter debugging is difficult can be well solved, and ideal control effects can be reached on different pavements.

The invention provides a determination method of vehicle electric power-assisted steering system friction compensation torque. The determination method comprises the steps of 1, according to the relation between torque and rotational inertia, introducing a physical amount related to friction torque; 2, determining an input and calibrated variable, in a MATLAB environment, establishing a Simulink model to achieve friction compensation; since correlation exists among friction compensation torque, power-assisted torque, steering wheel hand power torque and angle acceleration, according to the relational expression, establishing a mathematical model. In the EPS system, after the determination method of the vehicle electric power-assisted steering system friction compensation torque is adopted, adverse influence of friction of all links of a system to power-assisted performance can be overcome, so that a control effect of an electric power-assisted steering system is better, and the operation is more comfortable.

The invention relates to antagonistic bacteria used for preventing and treating fungal disease after peaches are picked and a microbial agent prepared from the bacterial strain. The invention provides bacillus altitudinis with the preservation number of CGMCC No.12180, microbial agent fermentation broth prepared from the bacillus altitudinis and application of fermentation filtrate in prevention and treatment of the fungal disease after the peaches are picked. The bacillus altitudinis disclosed by the invention is obtained by being separated from rhizosphere soil of peach trees in Feicheng peach gardens in which fertilizer and pesticides are not applied, can effectively prevent and treat multiple fungal diseases such as peach brown rot, gray mold, soft rot and penicilliosis, is a potential safe and ecological biological control bacterial strain with good biocontrol effect, no pollution and wide prevention and treatment range and has a broad market application prospect.

The invention belongs to the intelligent lighting control field and relates to an LED street lamp adjustment and control device and adjustment and control method, in particular to an LED street lamp intelligent control system and an adjustment and control method thereof. According to the LED street lamp adjustment and control device and adjustment and control method of the invention, the traffic data of a certain road section are obtained by means of image acquisition; the brightness of street lamps is controlled according to the traffic data of the road section. The system and method have the advantages of good control effect, high precision and energy-saving performance. At the dawn and dusk and in unusual weather, the system can automatically turn on or turn off the street lamps according to lighting requirements and automatically adjust the lighting intensity of the street lamps according to requirements, and therefore, the system has practicality and can save more energy. At night, the system can automatically adjust the lighting intensity of the street lamps according to the difference of traffic volume; the system can realize lighting at a low intensity when traffic volume is small; the system can realize lighting at a high intensity when traffic volume is large; and therefore, a condition that long-time lighting is performed when lighting is not required can be avoided, lighting requirements can be satisfied when vehicles exit, and damage caused by the frequent turning on of the street lamps can be avoided.

The invention discloses application of a plant-immunity resistance inducer to the prevention of grape downy mildew and anthracnose. The plant-immunity resistance inducer comprises the following effective components in percentage by weight: 0.001-0.02 percent of amino oligosaccharin and 0.01-0.2 percent of phosphite. According to the application, the amino oligosaccharin and the phosphite are combined, the mixing ratio of all the components of the obtained plant-immunity resistance inducer is reasonable, the prevention effect on the downy mildew and the anthracnose is good by applying the plant-immunity resistance inducer to grape, and the yield and the quality of the grape can be improved.

The invention relates to a marker-free gene-deletion attenuated mutant strain derived from an Edwardsiella tarda wild strain, constituting an attenuated live vaccine of the Edwardsiella tarda strain, wherein, chorismate synthase genes aroC of the Edwardsiella tarda strain are deleted; the Edwardsiella tarda strain is particularly an Edwardsiella tarda strain EIB202; and endogenous plasmids of the Edwardsiella tarda strain are further deleted. The invention further provides a preparation for the marker-free gene-deletion attenuated mutant strain derived from the Edwardsiella tarda wild strain, and the related application in preventing mariculture Edwardsiellosis. The marker-free gene-deletion attenuated mutant strain derived from the Edwardsiella tarda wild strain or the related preparation eliminates the potential security risk to the environment and products in most conventional attenuated live vaccines and constitutes a safe, effective and economic vaccine orienting to the mariculture Edwardsiellosis.

The invention discloses bacillus subtilis and an application technology thereof in biological prevention of rice ustilaginoidea virens, relating to the technical field of biological prevention of plant diseases. The invention particularly provides bacillus subtilis T122F with obvious bacteriostatic activity on the growth of ustilaginoidea virens. The bacillus subtilis T122F is cultured by an improved bacterial fermentation liquid medium, and the fermentation filtrate can obviously inhibit the conidium germination and hypha expansion of the ustilaginoidea virens, thus the bacillus subtilis T122F has a relatively good prevention effect on the field ustilaginoidea virens, and the prevention effect is remarkably higher than that of the normal dosage of 10% difenoconazole water dispersible granules. The bacillus subtilis and fermentation liquid thereof provided by the invention provide the reference to the preparation of a biological pesticide for preventing rice ustilaginoidea virens; the application range of the bacillus subtilis T122F is widened; the invention is of great significance for guaranteeing the safe production and yield increase of rice of the country and reducing the problems such as environmental pollution and the like caused by mass application of chemical pesticides.

The invention relates to a biogenic synergistic compound herbicide containing n-nonanoic acid and a preparation method thereof. According to the prepared biogenic synergistic compound herbicide, eucalyptus oil and n-nonanoic acid serve as main active ingredients, and a mass ratio of the eucalyptus oil to n-nonanoic acid is equal to (1:10) to (10:1). The herbicide, prepared from the main active ingredients with auxiliaries, can be prepared in the forms of missible oil, a micro-emulsion and an emulsion in water. As a novel biogenic herbicidal product, the biogenic synergistic compound herbicide has a quite high field controlling and eliminating effect on gramineous weeds and broadleaf weeds, and has high application and promotion value in the aspect of organic crops.

The invention provides a pesticide composition containing chitosan oligosaccharide. The pesticide composition comprises active constituents, namely chitosan oligosaccharide and any one or combination of emamectin benzoate, dichlorphos, beta-cypermethrin, dipterex, abamectin, phoxim and lorsban in addition to one or more of a dispersing agent, a wetting agent, an anti-freezing agent, a stabilizing agent, a preservative, a thickening agent, an emulsifying agent, a de-foaming agent, a solvent and a carrier. The invention further discloses a pesticide of the pesticide composition containing chitosan oligosaccharide and an application of the pesticide. The pesticide composition can be processed into missible oil, a suspending agent, water dispersible granules, a microemulsion, soluble powder and granules by adopting a general method in the field.

The invention provides a VSC-MTDC (Voltage source converter-multi-terminal high voltage direct current) voltage control method for offshore wind farm integration. The method comprises steps: voltage outer-loop control in a control system for a grid-side converter station is put to an integrated control center; an active power distribution ratio Ki is set according to power requirements, the power distribution ratio Ki is overlapped to a current given value for ith converter station inner-loop control, the Ki is sent to a corresponding converter station in a communication mode, and thus through adjusting a power distribution coefficient of the integrated control center, adjustment on active power distribution ratios of different converter stations can be realized, and stability and accuracy of DC voltage are barely influenced. When the strategy is compared with the traditional voltage droop control strategy in three conditions in which a wind speed varies, three-phase short circuit fault happens to the power grid and the converter station quits operation, better control effects are realized in aspects of DC voltage control precision and flexible active power distribution.

The invention discloses a composite herbicide, which comprises the following components in percentage by mass: 5 to 60 percent of oxadiazon, 3 to 50 percent of oxyfluorfen, 5 to 70 percent of butachlor, 1 to 20 percent of auxiliaries, and 5 to 80 percent of solvent or carrier. A preparation method of the composite herbicide comprises the following steps: putting the oxadiazon and the oxyfluorfen technical into a preparation kettle; adding the solvent to dissolve the oxadiazon and the oxyfluorfen technical while stirring; sequentially adding the butachlor, the auxiliaries and the solvent; and uniformly stirring to obtain an emulsifiable solution product. The composite herbicide has the advantages that: the oxadiazon, the oxyfluorfen and the butachlor belong to different types of herbicideswith different functions and characteristics, prevent weeds from generating drug resistance after compounded, have complementary advantages to enlarge the range of weed control, in particular to noxious weeds difficult to control insects, and can postpone and control the drug resistance of weeds and succession of weed community in the field; and the herbicide composition has good safety to plantsand afterreap crops.

The invention relates to a pyrazol-5-amide derivative (I) containing an oxazole structure and a preparation method and application thereof. The pyrazol-5-amide derivative (I) is obtained through condensation of chloroformyl pyrazol (II) and oxazole methylamine (III). The pyrazol-5-amide derivative containing the oxazole structure has an effective control effect on harmful insects, and the compoundcan be used for preparing pesticides in the fields of agriculture, gardening and the like.

The invention provides a temperature control method. The method comprises the following steps of (1) controlling a system model G(s) to define e and e& to be the deviation and the deviation change rate between a temperature preset value and an actual measurement value respectively through a first-order inertia hysteresis link having the interference and parameter uncertainty; (2) identifying modelparameters by adopting the relay feedback method, and obtaining a PID (proportion integration differentiation) initial value of the fuzzy PID based on a Z-N formula method; (3) based on an optimizedfuzzy rule, conducting the self-adaptive adjustment on PID parameters on the basis of the initial value according to the deviation e and the deviation change rate e&; and (4) determining a quantization factor of the fuzzy PID according to the variable-theory domain thought. According to the invention, the optimal temperature control performance is realized.

The invention discloses a vehicle deceleration and vehicle spacing increase system. The system includes a device for identifying and dynamically displaying vehicle spacing information and traffic flow parameter controlled led lamp apparatuses paved at both sides of a traffic lane cut-off line. The traffic flow parameter controlled led lamp apparatuses paved at the both sides of the traffic lane cut-off line include led lamp belts and control units. The device for identifying and dynamically displaying vehicle spacing information includes a variable information plate, a wireless transmit-receive module, a video camera, vehicle velocity measurement radar, an identification module, a vehicle spacing calculation module, and a power supply. The vehicle deceleration and vehicle spacing increase system can induce drivers to reduce the vehicle velocity and increase the space headway, improves vehicle-following safety, effectively reduces traffic accidents, and has the advantages that the driving comfort is not reduced and the noise is not generated.

The invention discloses bacillus pumilus with a collection name of Bacillus pumilus 223, a collection unit of Chinese Type Culture Collection Center, a collection address of Wuhan University in Wuhan China, a collection date of April 8, 2010 and a collection number of CCTCC NO: M2010075. The invention also discloses a culture method of the bacillus pumilus and a method for preparing an antibiotic active substance by using the bacillus pumilus, comprising the following steps of: (1), carrying out streak culture on bacterial strains on a PDA (Potato Dextrose Agar) culture medium; (2), culturing a single colony in an SMA (Standard Methods Agar) fluid culture medium; (3), culturing bacterial liquid after being coated on an SMA solid culture medium; (4), soaking an obtained substance of the step (3) by using phosphate buffer and centrifuging; and (5) adding (NH4)2SO4 into supernatant liquid, centrifuging after standing and redissolving obtained precipitates by using the phosphate buffer. In the invention, the bacillus pumilus and the antibiotic active substance can be used for preventing and treating rice sheath blight diseases.

The invention discloses a diacetone amine copper agricultural bactericide. The structural formula of the compound is shown in the figure. A preparation method of the compound of the invention comprises synthesization of diacetone amine and synthesization of diacetone amine copper and the production line of the invention is characterized by cheap raw materials which are easy to be obtained, simple technology, etc. The compound can be processed into missible oil, a wettable powder, a dry flowable agent, a water suspension agent, and the like, thereby having obvious prevention effect on the main diseases and pests of a plurality of crops and being environmentally safe.