33results about How to "Control inhibition" patented technology

Disclosed is a vehicle control device for application in a vehicle having an internal combustion engine and an electrically heated catalyst that can be warmed by the application of an electric current. The catalyst is equipped with a catalyst support for supporting the catalyst, and a support holding unit - which has electrically insulative properties - for holding the catalyst support. The vehicle control device is provided with a control means, which, when conditions are met for execution of a fuel cut of the internal combustion engine during deceleration, controls by suppressing the supply of uncombusted gas from the internal combustion engine to the electrically heated catalyst in order to keep the temperature of the support holding unit below the temperature of the catalyst. As a result, it is possible to minimize sudden cooling of the catalyst, and also possible to keep the temperature of the support holding unit below the temperature of the catalyst.

The invention discloses a method for vaguely predicting, compensating and controlling tower top temperature during desulfurization of sintering flue gas. Aiming at the problem that the tower top temperature cannot be stably controlled due to the influence of system time delay and external disturbance during desulfurization of the sintering flue gas, the method comprises the following steps of: building a prediction model of the tower top temperature by using a heat transfer mechanism; designing a vague prediction and compensation controller of the tower top temperature by taking the difference between a prediction value and a set value as input; and compensating water injection quantity by using model rule. By the method, main disturbance in a system is introduced into the prediction model, and a compensation value is calculated according to the difference between the prediction value and the set value, so the problems of poor stability of the system caused by large fluctuation of disturbance factors and the time delay of the system are solved.

The invention discloses a dynamic error compensation and control method of a cutting machining robot, belongs to the technical field of robots, and aiming at solving the problem that the dynamic erroraffects the cutting machining precision of the robot. The method comprises that when a dynamic error is a stable deformation error, error compensation and control are carried out based on an offlinecompensation module and an online correction module; when the dynamic error is a low-frequency vibration error, an open-loop control method based on modal analysis is adopted, the exciting force causing a low-order modal is counteracted by applying additional main force to the joints of the robot, vibration is inhibited, and error compensation and control are achieved; and when the dynamic error is a high-frequency vibration error, a robot dynamics control algorithm is provided, an acceleration sensor is additionally arranged in the robot, vibration signals in the machining process of the robot are collected in real time through the acceleration sensor, online real-time correction is conducted on control parameters through the robot dynamics control algorithm, and suppression of high-frequency vibration and high-precision track control are achieved.

A travel control apparatus includes: a detection device configured to detect an object ahead in a travel direction of a vehicle; and a vehicle control device configured to perform a vehicle control in which the object is regarded as a control reference when a lateral movement speed of the object is directed to a travel lane of the vehicle, wherein even when the lateral movement speed of the object is directed to the travel lane of the vehicle, when the object is detected in right and left ends of a detection range of the detection device, the vehicle control device prevents the vehicle control.

The invention discloses a Chinese medicinal composition for raising leucocytes, which is mainly prepared from the following raw material medicaments of Radix Astragali and polygonatum rhizome according to weight ratio being 1:1-2:1. The invention discloses a traditional Chinese medicine for raising leucocytes, the active components are a Radix Astragali extract product and a polygonatum rhizome extract product, wherein the Radix Astragali extract product is at least a Radix Astragali polysaccharide extract product, and the polygonatum rhizome extract product is at least a polygonatum rhizome polysaccharide extract product; and the weight ratio of the Radix Astragali polysaccharide extract product to the polygonatum rhizome polysaccharide extract product is 1:1-3:1. The invention also discloses a preparation method and an application of the Chinese medicinal composition for raising leucocytes. The Chinese medicinal composition for raising leucocytes promote the differentiation propagation of the leucocytes and bone marrow cells, raising the leucocytes of the chemicotherapy patients, preventing and controlling marrow suppression of chemoradiotherapy, and improving Chinese medicinal symptoms and living quality of patients with cancer; for the patients with qi deficiency, through supplementing qi and nourishing Yin, the immunity is enhanced for improving the recovery of the patients with qi deficiency, and no toxic and side effects can be generated.

The invention provides a super-junction VDMOS device comprising a first conductive type heavily doped semiconductor substrate, a metallized drain electrode, a first conductive type semiconductor column region and a second conductive type semiconductor column region. The first conductive type semiconductor column region and the second conductive type semiconductor column region are provided with three regions in which the doping concentration increases in sequence from bottom to top. The doping concentration of the P / N column uses a variable doping distribution which increases from bottom to top and the carrier lifetime of the JFET region is shortened by carrier lifetime control so that the current intensity flowing through the base region of the super-junction VDMOS uisng the structure canbe reduced, the conduction of the parasitic triodes inside the super-junction VDMOS can be effectively suppressed and the possibility of SEB of the device can be reduced. Meanwhile, the high doping concentration in the upper part of the P / N column forms a high barrier under the JFET region and the upper part of the P / N column so that the charge accumulation rate under the gate can be slowed downand the occurrence of SEGR can also be effectively suppressed through the carrier lifetime control of the JFET region.

The invention discloses a preparation method of a wet type moisturizing and dust-suppressing agent and belongs to the technical field of environmental protection. The preparation method disclosed by the invention has the beneficial effects that due to existence of double electric layers in modified zeolite powder, alpha-1, 4 glucosidic bond is hydrolyzed from the inner parts of starch molecules ina random mode by utilizing endonuclease of alpha-starch amylase, and soybean isolate protein contains more polar groups along the own peptide chain skeleton, so that wetting and absorption for dust in the air are improved; due to addition of ox bile, the wettability of the dust-suppressing agent can be improved, the surface tension of water can be reduced, the water can be prevented from condensing into droplets and the volatilization rate can be reduced; since oxidized dextrin swells after absorbing water, the filling capacity is also increased, and in addition, due to water-absorbing groupssuch as hydroxyl groups and the like exposed in the oxidized dextrin, the action force of the formed hydrogen bonds is stronger; calcium chloride doped in the oxidized dextrin can permeate into a spatial network structure of an oxidized-dextrin grafting product, and after the dust-suppressing agent falls to the ground, the calcium chloride absorbs carbon dioxide to form hard calcium carbonate, sothat diffusion of the dust can be controlled and the application prospect is wide.

The invention discloses a storage and fresh-keeping method for vegetable-used broad bean fresh pods. The storage and fresh-keeping method comprises the steps of raw material preparation, product grading, film-coating and pre-cooling, low-temperature storage and the like. The storage and fresh-keeping method is convenient to operate and good in fresh-keeping effect.

The invention provides a motor control device that drives a movable portion by N (N: a natural number more than 2) motors driven by a common external command, the motor control device comprising: a module control system that feeds back a state to suppress an influence on the vibration of the movable portion and generates a module instruction including a module position instruction based on the external command; and N feedback control systems arranged to be one-to-one correspondent to the motors and carrying out feedback control on the motors one the basis of the module instruction. (N-1) feedback control systems compensate control errors in controlling each of the motors by utilizing a difference between a respective control error and a control error in the remaining one of the feedback control systems so as to realize high-speed and high-precision positioning.

The invention discloses a control method for virtual synchronous inverters. After a power grid is judged to be in an asymmetric fault state by comparing the output current of a virtual synchronous inverter with a protection value, the virtual synchronous inverter is switched from the current virtual synchronous inversion control mode to a hysteresis comparison control mode, wherein the hysteresiscomparison control mode refers to controlling the transient impulse current of the virtual synchronous inverter by using the output of a hysteresis comparator. According to the scheme, because the hysteresis comparison control mode has the advantage of fast response, the fault response speed of the virtual synchronous inverter can be synchronized, and the transient impulse current produced by thevirtual synchronous inverter can be controlled quickly within the normal range of the reference current. The purpose of fast suppression of the transient impulse current produced by a virtual synchronous inverter is achieved. In addition, the invention discloses a control device and equipment for virtual synchronous inverters, which have the same effect.

The invention discloses a method for preparing gamma-aminobutyric acid by feeding a substrate enzyme. A substrate monosodium glutamate is added into a buffer solution to prepare a monosodium glutamatesolution, the monosodium glutamate solution is filtered, and the filtered monosodium glutamate solution is fed to a bacterial slurry, so the fluctuation of the substrate is reduced, and the stable proceeding of an enzymatic reaction is facilitated; and the substrate dissolved buffer solution is used to continuously dilute a reaction system, so the enzyme content in per unit volume stably changes,and the enzyme activity is continuously stable. The method for preparing gamma-aminobutyric acid by feeding the substrate enzyme has the advantages of good buffering effect in the buffer system, andhigh yield.

The invention discloses a path planning and shimmy damping control method for a four-rotor variable-rope-length hanging system. The method comprises the following steps: establishing a mathematical model of four rotors and a swinging model of a hung load; based on the established model, constraining the states of the four rotors and the load, calculating parameters of a spline curve according to constraint conditions, and acquiring a planned path; according to the obtained planned path, acquiring the minimum transportation time meeting the swing angle constraint condition through a bisection method; and by adopting a cascade control method based on integral backstepping and tracking the planned path, realizing accurate positioning of the load and swing angle suppression of the load, and sending the load to a preset position within the shortest time. According to the method disclosed by the invention, the whole hanging system can reach an expected position from an initial position in the shortest time by planning a proper planar motion track, and meanwhile, the swing angle of the load is kept to be limited in a relatively small range so that the transportation efficiency is improved, and the transportation safety is ensured.

The invention relates to an oil octane number self-learning method and system. The method comprises the following steps that a knocking intensity coefficient of an engine is divided into a low knocking intensity grade, a medium knocking intensity grade and a high knocking intensity grade; a knocking intensity grade of each cylinder of the current engine is judged; the number of times of knock of each cylinder of the engine at the low, medium and high knock intensity grades are counted; whether an engine oil octane number meets a self-learning condition or not is judged; and when the oil octanenumber self-learning condition is met, engine oil octane number self-learning and updating are carried out. The embodiment of the invention provides the oil octane number self-learning method and system, a learning method for identifying the oil octane number is designed in an engine control system, the knocking intensity is divided into the three different knocking grades, the oil octane numberis reduced to different degrees under different grade conditions, and the identified octane number is used as adjustment input of ignition advance angle control, so that the probability of the knock of the engine is reduced, and the damage of the frequent knock to the engine is reduced.

The invention relates to a cultivation method of seedlings of limonium gmelinii of saline-alkali soil in an arid region. The method comprises the steps of digging parallel shallow ditches in the saline-alkali soil, and making rectangular pieces of land in the field according to a certain area; carrying out flood irrigation and furrow irrigation on the rectangular pieces of land in the field, eluting salinity to enable a seedbed to be in a low-salt state, and further simulating the naturally occurring conditions of the seedlings; guaranteeing the successful planting of the seedlings of the limonium gmelinii by 'furrow irrigation and seeding in water'. The cultivation method is respectively used for planting tests in Karamay Xiaoguai township, Fukang desert ecology station of Chinese academy of science and Karamay carbon sink forest base, and the tests prove that the seedling rates of the limonium gmelinii are more than 70%, so that the technological reserve is accumulated for greening and beautifying the saline-alkali soil in the arid region.

The invention discloses a shear thickening effect-based milling chatter suppression and deformation control method for a thin-wall part. The method comprises the following steps that: a shear thickening liquid is prepared; a thin-wall part to be machined is fixed to a workbench of a machine tool through a clamp; the side, opposite to a machining face, of the thin-wall part to be machined, is filled with the shear thickening liquid, and the shear thickening liquid makes contact with the opposite face of the machining face; and a numerical control milling center is started to machine the thin-walled part through a hard alloy cutter, a milling mode is a smooth milling mode, after machining is completed, the part is taken out and cleaned, and the whole machining process is completed. According to the method, the unique rheological mechanical property of the shear thickening fluid is applied to milling of the thin-wall part, under the impact action of milling dynamic load, the thickening effect of the shear thickening fluid greatly improves the rigidity of the thin-wall part, the damping in the milling process is increased, and milling chatter suppression and machining deformation control of the thin-walled part can be realized at the same time.

The invention relates to the technical field of papermaking, and provides a preparation method of mildew-proof glass spacing paper in order to solve the problem that existing glass spacing paper is poor in mildew-proof effect. The method comprises the following steps: (1) preparing raw paper: chemically soaking bleached softwood pulp and bleached hardwood pulp, and pulping; mixing the bleached chemical pulp, a filler and cationic starch, filtering with clear water, dehydrating with a net part, soaking in a mildew-proof network polymer, squeezing and drying to obtain raw paper; and (2) coatinga hydrophobic layer: coating the surface of raw paper with the hydrophobic modified polymer, drying, and carrying out hot pressing to obtain a finished product. The glass spacing paper has better hydrophobicity and waterproofness; compared with the prior art, the anti-mildew agent in the paper is sealed in the network polymer, the cross-linking degree is improved, the anti-mildew agent is prevented from being separated as much as possible, the anti-mildew agent is gradually released only when the water content in the paper is increased, waste caused by premature release of the anti-mildew agent is avoided, and high density, high strength and high surface smoothness are achieved.

The invention discloses a path planning and swing reduction control method of a four-rotor variable-rope-length hanging system, comprising the following steps: establishing a mathematical model of the four-rotor and a swing model of the suspended load; The state of the rotor and the load is constrained, and the parameters of the spline curve are calculated according to the constraints to obtain the planned path; according to the obtained planned path, the minimum transit time that satisfies the constraints of the swing angle is obtained by using the bisection method; The level control method realizes the precise positioning of the load and the suppression of the swing angle of the load by tracking the planned path, and the load is delivered to the predetermined position in the shortest time. The method disclosed in the present invention enables the entire hoisting system to reach the desired position from the initial position in the shortest time by planning a suitable plane motion trajectory, while keeping the swing angle of the load within a small range, which not only improves the Transportation efficiency, but also to ensure the safety of transportation.

A power conversion device according to the embodiment includes a control device (10) having a mechanism for switching and implementing a first control mode and a second control mode. In the first control mode, a first voltage command value and a second voltage are generated based on new voltage command values of phases obtained by superimposing zero-phase voltages of a power converter (100) according to voltage command values for the phases of the power converter (100). In the second control mode, the first voltage command value and the second voltage command value are generated based on the voltage command values of each phase of the power converter (100) and the maximum and minimum values.

The invention discloses a Chinese medicinal composition for raising leucocytes, which is mainly prepared from the following raw material medicaments of Radix Astragali and polygonatum rhizome according to weight ratio being 1:1-2:1. The invention discloses a traditional Chinese medicine for raising leucocytes, the active components are a Radix Astragali extract product and a polygonatum rhizome extract product, wherein the Radix Astragali extract product is at least a Radix Astragali polysaccharide extract product, and the polygonatum rhizome extract product is at least a polygonatum rhizome polysaccharide extract product; and the weight ratio of the Radix Astragali polysaccharide extract product to the polygonatum rhizome polysaccharide extract product is 1:1-3:1. The invention also discloses a preparation method and an application of the Chinese medicinal composition for raising leucocytes. The Chinese medicinal composition for raising leucocytes promote the differentiation propagation of the leucocytes and bone marrow cells, raising the leucocytes of the chemicotherapy patients, preventing and controlling marrow suppression of chemoradiotherapy, and improving Chinese medicinal symptoms and living quality of patients with cancer; for the patients with qi deficiency, through supplementing qi and nourishing Yin, the immunity is enhanced for improving the recovery of the patients with qi deficiency, and no toxic and side effects can be generated.

The invention provides a gas analysis device and method based on the spectrum technology. The gas analysis device comprises a light source, a detector, a voice coil motor and an analysis module, wherein the light source emits measurement light matched with to-be-detected gas; the detector converts measurement light interacting with the to-be-detected gas into electric signals and transmits the electric signals to the analysis module; the detector is fixed to the voice coil motor and moves back and forth on a light path; the analysis module processes the electric signals through the spectrum technology, and accordingly information of the to-be-detected gas is obtained. The device has the advantages of being high in precision, simple in structure, low in cost and the like.

The power conversion device according to the embodiment includes a control device (10) having a mechanism for switching and implementing a first control mode and a second control mode, and in the first control mode, according to the power converter (100) The new voltage command value of each phase obtained by superimposing the voltage command value of each phase of the zero-phase voltage of the power converter (100) generates the above-mentioned first voltage command value and the above-mentioned second voltage command value, and in the second control mode Next, the first voltage command value and the second voltage command value are generated based on the voltage command values ​​of the respective phases of the power converter (100) and their maximum and minimum values.

The present application relates to a method and system for self-learning of oil octane number. The method includes the following steps: dividing the knock intensity coefficient of the engine into three knock intensity levels: low, medium and high; Knock intensity level; count the number of knocking occurrences of low, medium and high knock intensity levels in each cylinder of the engine; judge whether the octane number of the engine oil satisfies the self-learning condition; when the self-learning condition of the oil octane number is satisfied, the engine Oil octane number self-learning update. The embodiments of the present application provide a method and system for self-learning of the octane number of an oil product. In an engine control system, a learning method for identifying the octane number of an oil product is designed, and the knocking intensity is divided into three different knocking levels. In the case of grades, the octane number of the oil is reduced to different degrees, and the recognized octane number is used as the adjustment input of the ignition advance angle control, thereby reducing the probability of engine knocking and reducing the damage to the engine caused by frequent knocking.

The invention discloses a method for vaguely predicting, compensating and controlling tower top temperature during desulfurization of sintering flue gas. Aiming at the problem that the tower top temperature cannot be stably controlled due to the influence of system time delay and external disturbance during desulfurization of the sintering flue gas, the method comprises the following steps of: building a prediction model of the tower top temperature by using a heat transfer mechanism; designing a vague prediction and compensation controller of the tower top temperature by taking the difference between a prediction value and a set value as input; and compensating water injection quantity by using model rule. By the method, main disturbance in a system is introduced into the prediction model, and a compensation value is calculated according to the difference between the prediction value and the set value, so the problems of poor stability of the system caused by large fluctuation of disturbance factors and the time delay of the system are solved.

The invention relates to an acrylic acid copolymerized grafted starch environmental-protection adhesive, which comprises the following raw materials by mass: 25-35 parts of oxidized starch, 55-65 parts of vinyl acetate, 20-30 parts of butyl acrylate, 2-4 parts of N-hydroxymethyl acrylamide, 1-3 parts of sodium lauryl sulfate, 2-4 parts of OP-10, 0.6-0.8 part of ammonium persulfate, 0.6-0.8 part ofsodium hydrogen sulfite, 0.5-1 part of protein powder, and 310-480 parts of water, wherein the environmental-protection adhesive is subjected to microwave heating treatment, the microwave working frequency is 2450 MHz, and the heating time is 30-50 S. According to the present invention, the environmental-protection adhesive can well control free formaldehyde, and the detection results (detectionmethod GB / T 17657-2013) show that the formaldehyde emission is only 0.17 mg / L; the detection results (detection method GB / T 10004-2008) show that the environmental-protection adhesive does not containbenzene-based solvent, toluene and xylene; and the environmental-protection adhesive has advantages of simple composition, simple processing method and wide application range.

The invention belongs to the technical field of reluctance motor type vehicle control, and in particular relates to a reluctance motor type vehicle active stabilizer bar control method. A reluctance motor type vehicle active stabilizer bar comprises a main control chip, a gyroscope, a power supply circuit, a power conversion circuit, a power trigger circuit and a current acquisition circuit, themain control chip comprises a main program, a system initialization program, an infinite loop program and a limit position protection program, and the method comprises the following steps: step 1, starting the main program; 2, performing the system initialization program; 3, performing enabled interrupt; 4, performing the infinite loop program; 5, performing response interrupt; 6, ending the interrupt; and 7, executing step 4 again. The invention aims to provide the reluctance motor type vehicle active stabilizer bar control method which is good in inclination control effect and high in anti-interference performance.

The invention provides a driving control device. The driving control device has a detection device and a vehicle control device, wherein the detection device detects an object located in front of the vehicle's driving direction; when the lateral movement speed of the object is toward the driving lane of the vehicle, the The vehicle control device uses the object as a control-related object to control the vehicle. Even if the lateral movement speed of the object is toward the driving lane of the vehicle, when the position of the object is detected to be in the detection device The vehicle control device may also inhibit control of the vehicle at the left or right end of the detection range.

The present invention provides a motor control device, which uses N (N: a natural number greater than 2) motors driven based on a common external position command to jointly drive a movable part. Feedback is performed to suppress the influence of the vibration of the movable part, and based on the external position command, a module command including a module position command is generated; and N feedback control systems correspond one-to-one to N of the motors Setting, based on the module instructions, perform feedback control on each of the motors, and (N-1) feedback control systems use the difference between their respective control errors and the control error in the remaining one of the feedback control systems to A control error in controlling each of the motors is compensated. High-speed and high-precision positioning can be realized.

The invention provides a vehicle operation system capable of improving operability and a vehicle operation method. The vehicle operation system includes an operation unit disposed within a vehicle andincluding an operating element configured to receive an operation of an occupant of the vehicle; a determiner configured to determine a target-specific device serving as an operation target from among a plurality of specific devices on the basis of an operation different from a mechanical operation performed on the operating element by the occupant of the vehicle; and a device controller configured to control the target-specific device on the basis of the mechanical operation performed on the operating element by the occupant of the vehicle.

Provided is a pneumatic tire that is suitable for use as a tire for traveling on unpaved roads and that improves traveling performance on unpaved roads. Center blocks 10, which are provided in a center region of a tread section 1, are arrayed so as to form a pair of center blocks 10 between which there are interposed inclined grooves 30 that extend in an inclined direction with respect to a tire circumferential direction. The center blocks 10 are made to extend so as to straddle a tire equator CL from one side to the other side of the tire equator CL. Notches 11, which are each composed of a first wall 11a and a second wall 11b connected to each other in a V shape, are provided in treads in each center block CL. The first walls 11a are made to extend at an angle within + / -20 degrees with respect to the tire circumferential direction; the second walls 11b are made to extend at an angle of + / -10 degrees with respect to a tire width direction; and third walls 21 that each face a notch 11of a shoulder block 20 provided in a shoulder region of the tread section 1 are made to extend at an angle within + / -5 degrees with respect to a straight line A that connects an end point P1 of the first wall 11a on the shoulder block 20 side and an end point P2 of the second wall 11b on the shoulder block 20 side.