37results about How to "Improve automatic control performance" patented technology

The invention relates to a volume measurement filling machine. The volume measurement filling machine comprises a machine base case, a feeding device, a metering device, a volume adjusting device, a material impacting device and a juice supplying device, wherein the feeding device comprises a quantitative storage hopper, a hopper cover which is arranged at the upper end of the quantitative storage hopper and provided with a material level meter and a feed inlet, a material receipting hopper which is arranged on the upper surface of the hopper cover and connected with the feed inlet, a conical port which has a big upper part and a small lower part and connected to the lower end of the quantitative storage hopper, a feeding screw rod which passes through the hopper cover and is stretched into the conical port, a stirrer arranged in the quantitative storage hopper, a screw rod driven motor connected with the feeding screw rod, and a stirring driven motor connected with the stirrer. The volume measurement filling machine has reasonable design and cost, is convenient to operate and control and is particularly convenient to clean and maintain in daily life. Tests show that each performance index of the volume measurement filling machine is accordant with the food package technical norm or standard.

The present invention belongs to the field of hydraulic machinery, and is one hydraulic press specially for bending and upsetting crankshaft. Technologically, the hydraulic press features the energizing arm levers installed symmetrically below sides of the movable cross beam, swinging block type mold locking devices installed symmetrically on two sides of the upper and the lower bending molds, and the hollow plungers inside the movable cylinders installed oppositely below the movable work table. The hydraulic press may upset smooth rod directly and has high shaping precision, less allowance, simplified forging process, saving in noble metal material, short machining period and other advantages.

The invention discloses multifunctional integrated detection equipment for a pico-satellite. The integrated detection equipment comprises a wireless communication link module, a wired comprehensive test module, a temperature acquisition and control module, a solar cell simulator interface module, a control module, a data transmission and receiving module and a personal computer (PC) console, wherein the input ends of the wireless communication link module, the wired comprehensive test module, the temperature acquisition and control module and the solar cell simulator interface module are connected with the output end of the control module; the input end of the control module is connected with the output end of the data transmission and receiving module; and the input end of the data transmission and receiving module is connected with the output end of the PC console. The integrated detection equipment integrates the functions of a plurality of pieces of test equipment for the pico-satellite, is used for the control and monitoring of the pico-satellite and test in a pico-satellite research and development stage, and has high extensibility and system upgrading capability, and pico-satellite test data and pico-satellite telemetering data are shared through the Ethernet.

The invention discloses a real-time carbon checking system based on the Internet of Things and a cloud computing platform for the textile industry. The real-time carbon checking system based on the Internet of Things and the cloud computing platform for the textile industry comprises a cloud detection and recognition acquiring terminal, an interface server, a cloud resource module and an application terminal. According to the real-time carbon checking system based on the Internet of Things and the cloud computing platform for the textile industry, the automatic control capacity, the environment adaptability and the deploy flexibility of an energy consumption sampling terminal are improved, the production energy consumption of a textile enterprise can be evaluated comprehensively, the capacity of storing, processing and analyzing big data of relevant energy consumption during production of the textile industry is achieved, mobile access to analysis results is achieved, and a user-task-oriented cloud computing system for monitoring energy consumption of the textile enterprise is provided. The cloud computing system used for monitoring energy consumption of the textile enterprise and capable of coordinating multiple users and multiple tasks in a unified mode is provided, various kinds of energy consumption for textile production can be evaluated, the comprehensive energy consumption index and the energy consumption levels of an existing production line and a production technique among similar industries can be provided, the capacity of storing, processing and analyzing big data of energy consumption during production of the textile industry is achieved, and the access to a system can be achieved.

The invention discloses an intelligent rainfall sensing method and device based on image recognition, and aims to search for a more effective windscreen wiper control implementation scheme, and the method comprises the following steps: detecting a single-frame image to obtain a rainfall scene category, and recognizing a raindrop bounding box of each raindrop; obtaining rainfall categories of the Nframes of single-frame images according to a preset time sequence, and generating rainfall scene tracking information based on the rainfall category with the largest number; obtaining stable raindroptracking information in combination with raindrop identification results between front and back continuous frames; and generating a windscreen wiper control instruction based on the rainfall scene tracking information and the stable raindrop tracking information so as to control the action of the windscreen wiper. By combining the rainfall scene category and raindrop tracking, compared with a traditional vehicle-mounted rainfall electronic sensor, the windscreen wiper can be started in time at the beginning of raining, the windscreen wiper speed is automatically controlled according to the recognized rainfall, and the automatic control performance of the windscreen wiper is enhanced to a certain extent.

The invention discloses an electric precipitation energy-saving control method based on the coal quantity and the air quantity of a boiler. The method comprises the steps: obtaining current total coalquantity and current total air quantity of the boiler and electric precipitator outlet dust content; and calculating an electric field secondary current target value according to a formula II2=[(T-Ttarget) / (Tmax-Tmin)]*(II2max-II2min)+IIcoal+IIw, and adjusting the current electric field secondary current value of the electric precipitator to an electric field secondary current target value. Therefore, the total coal quantity of the boiler is used to replace the unit load to control the electric precipitation parameters, the control deviation caused by coal quality change can be overcome, andthe real-time performance is better than that of the unit load; meanwhile, the total air quantity of the boiler serves as a feedforward signal, and a dynamic control effect of dust in the unit load dynamic change process can be improved; and therefore, the automatic control effect of the electric precipitator can be improved, excessive dust emission of a power plant is prevented, the environment-friendly purpose is achieved, the power utilization rate of the power plant is reduced, and the energy-saving purpose is achieved. The invention further discloses an electric precipitation energy-saving control system based on the coal quantity and the air quantity of the boiler, and the beneficial effects are as mentioned above.

The invention relates to a novel treatment method for mother liquor obtained after centrifugal separation of ammonium sulfate in ammonia-process desulfurization. The method comprises the following steps: pumping 20-40% ammonium sulfate mother liquor from an ammonium sulfate centrifugal mother liquor tank to a stripping tower for vacuum concentration, introducing 0.2-0.5Mpa steam into a jacket of the stripping tower to heat, connecting a vacuum system inside the stripping tower, and improving the concentration of the ammonium sulfate solution to 60-70% so as to obtain ammonium sulfate slurry; and conveying the ammonium sulfate slurry to a rake type drier by virtue of a sludge pump, drying for 4-6 hours in the rake type drier to obtain an ammonium sulfate finished product with the water content of 5%, and conveying to a packaging workshop by virtue of a screw conveyor to package. Under the premise of not reducing the quality of the ammonium sulfate product, the problem that a crystallizer in ammonium sulfate production is excessively fast corroded is solved, ammonium sulfate wastewater is comprehensively used, the centrifugal waste liquid is treated, the energy is comprehensively utilized, the energy consumption for by-producing ammonium sulfate in ammonia-process desulfurization is reduced, and the economic benefit is improved. Meanwhile, the method provided by the invention can be used for projects such as ammonium chloride, ammonium nitrate and the like and has a wide application prospect and good economic and social benefits.

The invention provides a control system and method for a thickening machine. The control system for the thickening machine comprises the thickening machine, a flocculant delivery pump connected with the thickening machine, a first controller, an underflow pump and a second controller, wherein the controller is connected with the flocculant delivery pump, and the first controller is used to dynamically adjust current operating frequency of the flocculant delivery pump according to a flow rate and density of feeding ore slurry of the thickening machine; and the second controller is connected with the underflow pump, and the second controller is used to dynamically adjust current operating frequency of the underflow pump according to a flow rate and density of the feeding ore slurry of the thickening machine, a density of ore slurry at an outlet of the underflow pump and a bottom pressure value of the thickening machine. According to the control system and method provided by the invention, automatic control of the operating frequency of the flocculant delivery pump and the underflow pump during operation of the thickening machine can be realized, so that the thickening machine runs stably, and the automatic control effect of the thickening machine is improved.

The invention relates to an automatic control device of a choke manifold. The control device comprises a sensor assembly, a display control assembly, and an execution assembly. The execution assembly comprises a proportional throttle valve, a magnetic exchange valve, a motor, a hydraulic pump, a combined valve block, and an energy accumulator. The input end of the display control assembly is connected with the sensor assembly, and the output end is connected with the proportional throttle valve, the magnetic exchange valve, and the motor. The motor is connected with the combined valve block through the hydraulic pump. The combined valve block is connected with the energy accumulator. The energy accumulator is connected with the choke manifold through the proportional throttle valve and the magnetic exchange valve in sequence. The display control assembly controls operation of the magnetic exchange valve, the proportional throttle valve, and the motor according to the data acquired by the sensor assembly, so as to realize control on the choke manifold. Compared with the prior art, the device is advantaged by automatic control, and stable control effect.

The invention provides a hot air circulation oven, which comprises a thermal insulation box, a thermal insulation door, a driving motor, a temperature measuring tube and at least two U-shaped heating tubes, and the thermal insulation door is rotatably installed at the front opening of the thermal insulation box through a hinge There is a "door"-shaped cavity in the heat preservation box, and the gas can be heated in the heat preservation box by heating the gas in the "door"-shaped cavity and driving the impeller through the driving motor. The hot air circulation oven has good heating uniformity and high temperature control precision.

The invention discloses a new energy power output automatic control system. The automatic control system comprises a data acquisition module, a data processing module, a data analysis module, a database, a processor, a monitoring module, a control module, a prompt module, a data transmission module and a display module. The data acquisition module is used for acquiring the data information of newenergy production, and transmitting the data information to the data processing module and the database, wherein the data information comprises the working information of new energy production equipment, the working environment information and the new energy consumption information; the working information of the new energy production equipment comprises the equipment output voltage information, the equipment output current information and the equipment operation information; the working environment information comprises the air flow information and the air pressure information; and the new energy consumption information comprises the consumption voltage information and the consumption current information of consumption equipment. According to the invention, the problem of automatically controlling the output of the new energy power and the problem of poor efficiency of automatically controlling the output of the new energy power can be solved.

The invention provides a metal-bar peeler, belonging to the machine tool technical field. The metal-bar peeler solves the problem that before a metal bar is processed by the existing metal-bar peeler, the front end of a metal bar blank needs to be subjected to head peeling in advance, and then the metal bar can be processed. The metal-bar peeler comprises a rack, a peeling mould and a traction mechanism, wherein, the peeling mould and the traction mechanism are fixed on the rack; a connecting seat which can move along the rack feeding part is arranged on the rack feeding part; a power component which can drive the connecting seat to move is arranged on the rack; a material clamping mechanism which can clamp and loose a metal bar is arranged on the connecting seat; when the power componentdrives the connecting seat to move towards the peeling mould, the metal bar is clamped by the material clamping mechanism, and the head of the metal bar can penetrate the peeling mould to peel the head of the metal bar. The metal-bar peeler can satisfy workpieces which are not subjected to head peeling process in advance, thus having the advantage of improving the production efficiency of metal bars and the utilization rate of metal bar blanks, and having simple structure and reasonable design.

The invention relates to an automatic windscreen wiper control method based on a heavy truck ADAS system. The control method comprises the specific steps that firstly, collected raindrop video images falling on a vehicle windscreen are digitalized into a YUV format; 2, recognizing the edges of raindrops on the windshield of the vehicle; obtaining Gx, Gy and N values of raindrops in each single-frame image; 3, matching the raindrop type of each single-frame image, and counting the raindrop type and the corresponding raindrop number; 4, determining a rainfall calculation value A = F * P according to the counted raindrop type and the corresponding raindrop number; and 5, controlling the rotation frequency of the windshield wiper according to the rainfall determination condition. According to the control method, control is not affected by rain and wind, the accurate number of raindrops in the heavy truck driving environment can be visually obtained, and the control method is more effective and low in cost.

The invention discloses a sewage pool feeder for vertical space drug spreading. Manual control is not needed, the workload of personnel is greatly reduced, a side wall cleaning shovel plate is arranged, the inner wall of a medicine storage tank shell can be scraped, the inner wall of the medicine storage tank shell is clean, waste is avoided, and a stirring rod and the side wall cleaning shovel plate are arranged, so that the medicament is mixed more uniformly, a medicine feeding auxiliary device is used for guiding the residual medicine in the medicine feeding groove into the medicine storagegroove shell to avoid waste, and a feeding control mechanism is used for controlling the feeding of the sewage tank, so that the practicability is improved. Through the arrangement of the feeding through groove, agents can be concentrated and then dispersed, the agents are dispersed and scattered into the sewage tank, the agents can conveniently pass through a material guide wheel set, blockage is avoided, the sewage treatment efficiency is improved, water flow in the sewage tank is used as power, energy is greatly saved, and the sewage pool feeder is environmentally friendly.

The invention discloses a door curtain rotation control method based on induction. The method is based on a hanging mechanism and a rotating motor, wherein the hanging mechanism is fixedly connected with a door curtain body, and the rotating motor is fixedly connected with the hanging mechanism through a rotating shaft. The method comprises the step of presetting a door frame induction region and inducing human bodies entering the door frame induction region in real time to generate induction signals, the step of converting the induction signal into digital signals, analyzing the digital signals to obtain rotating parameters for controlling the rotating motor, and generating driving signals according to the rotating parameters, and the step of driving the rotating shaft to rotate according to the received driving signals through the rotating motor so that the hanging mechanism can be driven to rotate and accordingly the door curtain body can turn over. According to the method, a door curtain can be automatically controlled to rotate according to induction so that the door curtain can be opened automatically, automation and convenient and precise detection are achieved, and fixing and swing prevention performance can be improved to a certain degree; thus, the use effect of the door curtain is improved on the whole, and the door curtain can be convenient for people to use.

This invention discloses one guyed photoelectric displacement sensor in two dimensions for detecting the plane mobile position. By using polar coordinates it is combined by the photoelectric linear displacement sensor devices and optoelectronic devices angular displacement sensor, which includes guyed, guyed mouth, desilting of silk, guyed disk, disk spring, Ratchet, gear group, switching round of photoelectric intermittent, linear displacement fretting photoelectric switches, photoelectric switches Fretting angular displacement, micro-stepper motor, brakes, chassis planes and the base chassis. By using the photoelectric interrupter as the sensor signal source this invention satisfy the demand of the fields in civil construction, machining, equipment installation, automatic control, defense technology and scientific experiments and son on with its characteristic of high precision, large range and digital signal output.

The invention relates to a cold and hot water level balancing method of a heat meter durability cold and hot impact test. The cold and hot water level balancing method of a heat meter durability coldand hot impact test includes the steps: collecting state parameters of a heat meter durability test process by taking a sampling period ts as the time interval; and establishing a test process state parameter data set, determining whether a hot water tank level data set Lhot of the step (2) is between the highest liquid level and the lowest liquid level of the hot water tank and whether a cold water tank liquid level data set Lcold is between the highest liquid level and the lowest liquid level of the cold water tank, and adjusting an inlet valve for the hot water tank, an outlet valve for thehot water tank, an inlet valve for the cold water tank and an outlet valve for the cold water tank to achieve the liquid level balance of the hot and cold water tank. The cold and hot water level balancing method of a heat meter durability cold and hot impact test effectively avoids the defect that one water tank overflows and one water tank is short of water due to the accumulative effect, and ensures the respective temperature stability of the hot and cold water tanks, so as to enable the test conditions of the platform to strictly follow the heat meter durability cold and hot impact test.

The invention discloses an energy management method applied to a photovoltaic energy storage system. Power supplies in the photovoltaic energy storage system include a photovoltaic assembly, a lithium battery and a power grid. Working conditions of the photovoltaic energy storage system include conditions of 1, photovoltaic power generation during island operation: when output power of the photovoltaic assembly is larger than load power and the lithium battery is not charged fully, executing the mode; 2, conversion of grid side converters during grid-connected operation: when the output power of the photovoltaic assembly is larger than the load power and the lithium battery is charged fully, executing the mode; 3, power supply through the battery during island operation: when the output power of the photovoltaic assembly is insufficient to supply power to a load and the lithium battery has electricity, executing the mode; 4, rectification of the grid side converters during grid-connected operation: when the output power of the photovoltaic assembly is insufficient to supply power to the load and the lithium battery runs low, executing the mode. By means of the automatic control energy management method, access photovoltaic energy, energy of the battery and energy of the power grid of the photovoltaic energy storage system are utilized in sequence, and therefore, the utilization rate of light energy and automatic control effect can be increased.

The invention discloses a PLC-based livestock waste disposal system and method. The system is characterized in that the system comprises a central control system and a high-temperature and high-pressure tank control PLC connected with the central control system, wherein the high-temperature and high-pressure tank control PLC is connected with a human-machine interface module, a panel button, a travel switch, a temperature and pressure sensor, a pneumatic valve, a hydraulic motor and a steam regulation valve. The operation results of the system of the invention are excellent. With the system adopted, the needs of production can be met, automatic control capacity can be maximally improved, the intervention of an operator can be reduced, the labor intensity of the operator can be reduced, andthe safety factor of a site can be greatly improved. The system is high in automation degree, can satisfy production needs in China and is suitable for being popularized in China.

The invention discloses a real-time carbon checking system based on the Internet of Things and a cloud computing platform for the textile industry. The real-time carbon checking system based on the Internet of Things and the cloud computing platform for the textile industry comprises a cloud detection and recognition acquiring terminal, an interface server, a cloud resource module and an application terminal. According to the real-time carbon checking system based on the Internet of Things and the cloud computing platform for the textile industry, the automatic control capacity, the environment adaptability and the deploy flexibility of an energy consumption sampling terminal are improved, the production energy consumption of a textile enterprise can be evaluated comprehensively, the capacity of storing, processing and analyzing big data of relevant energy consumption during production of the textile industry is achieved, mobile access to analysis results is achieved, and a user-task-oriented cloud computing system for monitoring energy consumption of the textile enterprise is provided. The cloud computing system used for monitoring energy consumption of the textile enterprise and capable of coordinating multiple users and multiple tasks in a unified mode is provided, various kinds of energy consumption for textile production can be evaluated, the comprehensive energy consumption index and the energy consumption levels of an existing production line and a production technique among similar industries can be provided, the capacity of storing, processing and analyzing big data of energy consumption during production of the textile industry is achieved, and the access to a system can be achieved.

The invention relates to a novel treatment method for mother liquor obtained after centrifugal separation of ammonium sulfate in ammonia-process desulfurization. The method comprises the following steps: pumping 20-40% ammonium sulfate mother liquor from an ammonium sulfate centrifugal mother liquor tank to a stripping tower for vacuum concentration, introducing 0.2-0.5Mpa steam into a jacket of the stripping tower to heat, connecting a vacuum system inside the stripping tower, and improving the concentration of the ammonium sulfate solution to 60-70% so as to obtain ammonium sulfate slurry; and conveying the ammonium sulfate slurry to a rake type drier by virtue of a sludge pump, drying for 4-6 hours in the rake type drier to obtain an ammonium sulfate finished product with the water content of 5%, and conveying to a packaging workshop by virtue of a screw conveyor to package. Under the premise of not reducing the quality of the ammonium sulfate product, the problem that a crystallizer in ammonium sulfate production is excessively fast corroded is solved, ammonium sulfate wastewater is comprehensively used, the centrifugal waste liquid is treated, the energy is comprehensively utilized, the energy consumption for by-producing ammonium sulfate in ammonia-process desulfurization is reduced, and the economic benefit is improved. Meanwhile, the method provided by the invention can be used for projects such as ammonium chloride, ammonium nitrate and the like and has a wide application prospect and good economic and social benefits.

The invention discloses a working platform based on a 3D printer, which mainly solves the problem that the working platform of the 3D printer can not be moved. The working platform comprises a platform body, and further comprises a roller arranged at the bottom of the platform body through a bracket, a sliding rail matched with the roller, a power mechanism connected with the platform body and positioned at one side of the platform body, and an induction locking control device positioned at the other side of the platform body and connected with the power mechanism. With the arrangement of the roller, the sliding rail, the power mechanism and the induction locking control device, the movement of the working platform can be realized, and the working platform stops moving after moving to a designated position. Therefore, the problem in the prior art is solved well, and the working platform has better automatic control performance.

The invention relates to a tobacco lamina formula state library leaf group execution formula management and control system and a method thereof. The method comprises the steps of firstly establishing a leaf group execution formula checking template and a checking leaf group execution formula; performing tobacco lamina state library storing examination on the tobacco lamina according to the confirmed leaf group execution formula, storing the tobacco lamina according with the conditions into the state library, and refusing to storing the tobacco lamina not according with the conditions into the state library, wherein during library removal, the executed leaf group execution formula is automatically set to be ineffective. By the above technical scheme, effective management and control can be realized on leaf group execution formula examination, tobacco lamina formula state library storing examination on the tobacco lamina, and library removal of the leaf group formula. The technical problems of large manpower checking workload and easily-generated artificial errors are avoided, thus enabling the tobacco lamina formula state library leaf group execution formula management and control process to be more rigorous, greatly reducing the labor intensity, improving work efficiency and effectively avoiding the occurrence of quality accidents due to casting in the cigarette production.

Disclosed is an automatic control method for HP heater stopping in high load condition. The method comprises the following steps that the load intensity of the target unit operation is determined as the high load, the automatic control of the high-load HP heater stopping is started to monitor whether the HP heater stopping occurs in real time, if the HP heater stopping occurs, the protection action of the HP heater stopping is determined, and an automatic control strategy is triggered until a reset condition is reached; and if the HP heater stopping does not occur, continue operating is conducted. By means of the method, the situations such as boiler over pressure and water-cooled wall over temperature after the high-load HP heater stopping is avoided by coordinating a control mode, fuel quantity, and water supply through an automatic control unit, the operating burden of an operating worker is reduced, the automatic control capability of the unit is improved, and the blank of the lackof automatic control of a thermal power plant after the HP heater stopping under the high load is filled.

The invention relates to a control system, in particular to an intelligent street lamp control system. The technical problem to be solved by the invention is to provide the intelligent street lamp control system which can perform intelligent control, achieve the purposes of saving electric energy and enhancing the lighting effect, and also can monitor the environment in real time. The system comprises a lamp holder, a storage battery, a controller, a wireless connection device, an illuminating lamp, a brightness detection device, a solar panel, an electric push rod and the like. A storage battery, a controller and a wireless connecting device are arranged at the bottom in the lamp holder, an illuminating lamp is installed on one side of the top of the lamp holder, a brightness detecting device is installed below the illuminating lamp, a solar panel is hinged to the other side of the top of the lamp holder, an electric push rod is hinged below the solar panel, and the other end of the electric push rod is hinged to the solar panel. The intelligent control can be achieved, electric energy is saved, the lighting effect is enhanced, meanwhile, the environment can be monitored in real time, and high practicability is achieved.

According to the assembly type wall locking device for the assembly type building, a rotating connection column and a control base are arranged in a rotatable and adjustable mode, and the angle of an extension arm is arranged to be adjustable, so that the control capacity of the control base and the position adjusting capacity of a locking positioning mechanism can be effectively improved; according to the invention, the end part of each extension arm is fixedly provided with one locking and positioning mechanism, so that during locking, the plurality of locking and positioning mechanisms not only can realize locking, but also can realize positioning of the whole device, and the locking and positioning of the whole device can be realized. When the connecting bolt is locked, an operator or an operation mechanical arm is prevented from being subjected to large torsion, the locking effect is improved, and the operation intensity is reduced.