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

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 a temperature detection method and an air conditioner. The technical problem that the environment temperature value is not detected accurately by an air conditioner is solved. The method comprises the steps that in the process that the current environment temperature value of the environment where the air conditioner is located is detected through the air conditioner by means of a first detection module corresponding to a first detection mode, it is determined that the first detection module breaks down; the air conditioner is switched to be in a second detection mode from the first detection mode; and the air conditioner is controlled to detect the current environment temperature value through a second detection module corresponding to the second detection mode.

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 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 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.

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 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.

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.