30results about How to "Accurate control results" patented technology

The invention relates to the field of air conditioner control, particularly to an air conditioner control method and system based on a basal metabolic rate and an air conditioner. The method comprises the following steps: calculating the basal metabolic rate of a user according to the height and body weight of the user, calculating the hot sensation or cold sensation degree of the user, controlling an operation mode of the air conditioner according to the cold sensation degree and the hot sensation degree, for example, adjusting the air conditioner temperature, air conditioner humidity, air conditioner air volume, air conditioner on-off time, air conditioner continuous temperature variation curve and the like, so that the air conditioner can be most appropriately controlled according to the physique and figure of the user, the air conditioner requirements of people of different figures can be met, and the air conditioner is more comfortable to use in a multiple-people environment; meanwhile, the operation process is simple, the control result is accurate, the application range is wide, and the commercial value is high.

The invention provides a temperature control system for a CPS-based ring spinning intelligent workshop. The temperature control system for a CPS-based ring spinning intelligent workshop comprises a physical layer, a communication layer, an information layer and a control layer. The physical layer is each physical entity related to the temperature of the ring spinning intelligent workshop. The communication layer collects real-time temperature data of each physical entity of the physical layer and transmits the real-time temperature data to the information layer through the ring spinning industrial internet. The information layer receives the real-time temperature data and performs intelligent calculation to form a mirror image of the physical entity. And the control layer adjusts the air outlet volume, the air outlet direction and the air outlet temperature of the air conditioner of the ring spinning intelligent workshop according to the mirror image of the physical entity so as to realize the closed-loop accurate control on the temperature of the ring spinning intelligent workshop. The invention also provides a CPS-based ring spinning intelligent workshop temperature control method, and a control strategy is formed by analyzing large data of the ring spinning temperature to realize the closed-loop accurate control on ring spinning intelligent workshop temperature. The performance of the temperature control system is reliable and the control result is accurate, and the temperature control system is suitable for large-scale popularization and use.

The invention discloses a human body leg movement energy collection system and a collection method. The human body leg movement energy collection system comprises a human body leg movement energy collection device, an electric energy management module and an energy storage module, wherein the human body leg movement energy collection device comprises an outer shell, a generator and a potentiometer are fixed on the outer shell, a working gear is fixed on a rotor of the generator, the bottom of the inner side of the outer shell is rotatably connected with a first rotary shaft, an oscillating bar and a sector gear are fixed on the first rotary shaft, the free end of the oscillating bar is located on the outer side of the outer shell, the sector gear is located on the inner side of the outer shell, an angle slider of the potentiometer is fixedly connected with the oscillating bar, and a gear box used for accelerating is arranged between the sector gear and the working gear. The human body leg movement energy collection device collects movement energy selectively; the energy is collected in a stage that a shank falls; if not being collected, the energy can be wasted; during electric energy collection, additional working of a human body is not needed, and the comfort of the human body is improved; the human body leg movement energy collection device is relatively compact in overall structure and relatively long in service life.

The invention discloses an industrial robot for intelligent welding. The industrial robot comprises a machine body, a baseplate, a supporting pad and a supporting seat, wherein the baseplate is arranged on the bottom surface of the machine body; the supporting pad is arranged on the bottom surface of the baseplate; the supporting seat is arranged on the upper surface of the machine body; a supporting arm is arranged on the upper surface of the supporting seat; a driving box is arranged at one end part of the upper surface of the supporting arm; and the mounting frame is arranged at the middleof the upper surface of the driving box. The industrial robot has the following beneficial effects: by adoption of a feedback control loop I composed of a displacement sensor, a control host and an air pump as well as a feedback control loop II composed of an angle sensor, the control host and a servo motor, the displacement and the angle of such a welding robot can be correctly and quantitativelycontrolled when the welding robot moves to a workpiece; the control results are correct and the workload of workers is reduced; and meanwhile, a protective hood made of silicon carbide is arranged onthe outer side of a welding head, so that a welding flux can be prevented from splashing and hurting people in the welding process, and the safe operation can be guaranteed.

The invention discloses a light source and light intensity automatic control method of a finger vein recognition device. The light source and light intensity automatic control method includes the steps that a processor sends initial signals to initialize the voltage of an infrared source; starting from the initial voltage signal V0, the processor sends a series of different voltage signals Vi which are arranged at a certain numerical value interval from small to large, an image capture device collects finger vein images when the voltage signals are sent one time, and the vein information abundant degree is quantized with numerical value Li respectively; the maximum values Lmax in quantized values Li of the vein information abundant degree is found, and the voltage signals VL corresponding to the maximum values Lmax are final voltages needed by the infrared sources for collecting the finger vein images. By means of the light source and light intensity automatic control method, according to the characteristics of the fingers of different collected persons, the luminance of the infrared sources in the finger vein recognition device is automatically adjusted, the vein information abundant degree of the finally-collected images is highest, the quality of the collected images is accordingly improved, and the recognition rate of the whole system is guaranteed.

The invention discloses a pressure-flow electronic control system applied to a chromatographic instrument sample inlet. The pressure-flow electronic control system comprises an air inlet channel, a sample inlet, a blowing channel, a splitting channel and a chromatographic column channel, wherein the air inlet channel, the sample inlet and the blowing channel form a T-shaped channel structure; thesample inlet comprises a vaporizing chamber, a splitting channel body connected with the splitting channel and a partition pad arranged at the top of the vaporizing chamber; the vaporizing chamber isdirectly communicated with the chromatographic column channel, and the chromatographic column channel is provided with a chromatographic column; the air inlet channel is provided with an electronic air inlet control device, the blowing channel is provided with an electronic blowing control device, and the splitting channel is provided with an electronic splitting control device. According to the pressure-flow electronic control system disclosed by the invention, an electronic mode is respectively utilized to control corresponding proportions to control components under splitting and splitlesssampling modes; thus, pressure and flow in the sample inlet can quickly reach balance, and stability of a gas chromatograph sample inlet system is improved; furthermore, multiple shortcomings of manual adjustment are avoided.

The invention discloses a controller task switching method, which comprises the following steps of: after receiving a switching instruction, obtaining context data of a current task, and storing the context data into a task stack memory and a data backup area; after a signal for re-executing the current task is received, judging whether the context data in the task stack memory is changed or not;if not, reading the context data in the task stack memory and executing the current task; and if yes, performing fault recording and alarming, obtaining context data from the data backup area, and executing a current task. According to the method, when context data of a current task in a task stack memory is changed, the context data is read from a data backup area and the current task is executed, so that the context data of the current task before and after task switching is ensured to be unchanged, and the running safety of a controller is further ensured. In addition, the invention furtherprovides a controller task switching device, controller task switching equipment and a computer readable storage medium, which also have the above beneficial effects.

The invention provides an SO2 protective gas system with a transitional roll platform in online floating-process film coating of glass and an operation method. The protective gas system comprises an SO2 gas supplying system, a N2 auxiliary-gas supplying system and a gas-sealing gas supplying system. The operation method is characterized in that two gas seals are arranged at the positions of a transitional roll platform close to a tin groove and an annealing kiln, an SO2 gas pipe is positioned between the two gas seals, gas sealing is carried on the transitional roll platform and the tin grooveby a front-end gas sealing pipe, and gas sealing is carried out on the joint positions of the transitional roll platform and the annealing kiln by a tail-end ; meanwhile, the lower sides of a first roller and a final roller of the transitional roll platform are respectively provided with a gas seal. The protective gas system provided by the invention has the beneficial effects that the productionneeds are met to a greatest extent, the consumption of SO2 gas is greatly reduced, the operation is convenient, the operation risk of workers is reduced, the adjustment time is saved, the pollution and the hazard to the environment are reduced, and meanwhile, the influence of SO2 on the tin groove, the annealing kiln and the film coating is greatly reduced.

The invention discloses a method for accurately controlling the movement of a robotic fish joint. According to the method, a robotic fish original kinematic model is adopted as the basis. A kinematicmodel of the tail part of a robotic fish is deduced under the condition that the shaking of a fish head of the robotic fish is considered. In this way, a method for reducing the shaking of the fish head of the robotic fish is configured on the above basis. Meanwhile, a minimum error method is adopted for fitting to obtain the motion equation of each joint, and the control result is accurate. As aresult, the swimming posture of the robotic fish is more similar to the swimming posture of the real fish. The swimming posture of the robotic fish is more soft, and the swimming speed and the efficiency are improved. A kinematic model is provided for researching and analyzing the motion posture of the robotic fish, so that the robotic fish has good propulsion performance.

The invention provides an asynchronous-synchronous control method and system for the back-to-back flexible direct-current power transmission system. When the back-to-back flexible direct-current powertransmission system runs stably, parameter information corresponding to three-phase voltage of a power grid side is extracted according to an operation mode of the current power grid side, so that different parameter information is adjusted according to different operation modes, thus obtaining corresponding power instructions, and controlling the power flow direction of the back-to-back flexibleDC power transmission system according to different power instructions; thus, the asynchronously interconnected power grids at the two ends can achieve mutual power support; when the power of one endis insufficient, the energy of the power grid at the other end can be allocated to achieve power support, the control result is accurate, and the electric energy quality of the whole power grid is effectively improved.

The invention provides a bearing ring small box detection system. The bearing ring small box detection system comprises a frame, a feeding mechanism, a charging tray, an alignment pushing mechanism, aqualified product pushing mechanism, a blanking mechanism and a control mechanism, wherein the feeding mechanism and the blanking mechanism are arranged on the left and right sides of the charging tray; the alignment pushing mechanism and the qualified product pushing mechanism are arranged on front and back sides of the charging tray; a plurality of alignment grooves are formed in the charging tray; the feeding mechanism is communicated with the first row of alignment grooves; the blanking mechanism is communicated with the last row of alignment grooves; spacer rods are arranged in the alignment grooves; a row of full-load inductors are arranged at the first row of alignment grooves in a baffle; the alignment pushing mechanism comprises an alignment pushing motor; the qualified product pushing mechanism comprises a photoelectric position sensor and a screw driving motor; the control mechanism comprises a controller and a touch screen; the row of full-load inductors and the photoelectric position sensor are connected with the controller; the controller is connected with the alignment pushing motor and the screw driving motor. By adopting the bearing ring small box detection system, unqualified products can be isolated in a tracing manner, and the rejection rate of products is lowered.

The present invention relates to the field of fire protection, and aims to provide a remote monitoring system for fire protection. The key points of the technical solution are to include an acquisition module, a transmission module, a control module and an execution module. The acquisition module communicates with the control module through the transmission module. The control module is electrically connected to the execution module, and the control module has a built-in fire-fighting facility configuration system, and the fire-fighting facility configuration system is used to generate a scientific and reasonable fire-fighting facility configuration scheme. The present invention is suitable for monitoring and controlling the fire situation in the monitoring area and generates a scientific and reasonable fire-fighting facility configuration plan to guide the configuration of fire-fighting facilities in different locations, which is beneficial to quickly control the fire situation when a fire occurs, thereby reducing the damage caused by the fire. Loss of personnel, financial resources, and material resources. At the same time, the planning time of fire protection projects is shortened and the construction progress is accelerated.

The invention discloses a PID adjusting method of a stable oxygen flow adjusting valve and a control system thereof, and relates to the technical field of oxygen flow control. The method comprises thefollowing steps of: the step 1, setting a fixed opening degree of a regulating valve, and continuously calculating a difference value [Delta]F between a set target value and an actual value; the step2, dividing the difference value [Delta]F between the set target value and the actual value into an interval of more than or equal to 5%, an interval of more than or equal to 4%, an interval of morethan or equal to 3%, an interval of more than or equal to 2%, an interval of more than or equal to 1% and an interval less than 1% according to target requirements, respectively setting proportionality coefficients. The larger the [Delta]F is, and the larger the set proportionality coefficients are, so that the adjusting speed is accelerated; the smaller the [Delta]F is, and the smaller the set proportionality coefficients are, so that the higher the adjusting precision is, and the smaller the fluctuation is; and by means of the adjusting method, a converter with the oxygen supply intensity reaching 39000 cubic meters per hour can reach a target value, so that the adjusting speed is increased, the smaller the [Delta]F is, and the smaller the set proportionality coefficients are, so that the higher the adjusting precision is, and the smaller the fluctuation is. The control target is achieved, and the technological requirements are well met.

The invention provides a mutton cold chain transportation control system and method. The control system includes a total control center and a control module connected by communication, and a sensing module and an execution module respectively connected to the control module. The control module and the sensing module and execution modules are set on the mutton cold chain transportation equipment; the sensing module is used to monitor the operating parameters of the mutton cold chain transportation equipment, and sends the operating parameters to the control module; the control module is used to send the execution module according to the received operating parameters. control instructions and send operating parameters to the general control center; the execution module is used to control the mutton cold chain transportation equipment according to the received control instructions. The invention can automatically and intelligently control mutton cold chain transportation equipment, and is particularly suitable for large-scale and complex mutton cold chain transportation processes. The control process is efficient and reliable, and the control results are accurate, effectively improving the efficiency of the entire mutton cold chain logistics transportation process. reliability.

The invention provides an automobile air-conditioner control method, comprising the following steps that: firstly, a main control chip sends an instruction and transmits the instruction to an external application apparatus via a circuit; secondly, the external application apparatus acts and feeds an actual state back to the controller main chip after receiving the instruction; and finally, the main controller chip compares the received feedback signal with a standard, corrects a control signal, and sends a new instruction to the external application apparatus. In the method provided by the invention, the defect of the prior art is overcome; and the control signal is dynamically corrected through feedback, read and calculation of the external application apparatus to form a closed control system, so that the control result is more accurate and is not affected by the outside.

The invention relates to the technical field of crushing devices, in particular to a silicon block crushing device which comprises: a container for providing a containing space for a silicon rod to be crushed and executing crushing action in the containing space; two pulse electrodes which are hung in the containing space, wherein the hanging height and the positions of the two pulse electrodes in the horizontal plane can be adjusted; high-purity water is arranged in the container, the pulse electrodes generate a pulse arc in the high-purity water, the resistivity of the high-purity water is rho, the unit is M omega.cm, and rho is more than or equal to 16 M omega.cm and less than or equal to 20 M omega.cm. According to the invention, in the pulse crushing process, the medium contacted with the silicon rod is high-purity water, so that pollution caused by human or metal materials in the manual or mechanical crushing process is avoided, the pulse arc is formed at an electrode, the arc enters the polycrystalline silicon to form a plasma arc channel, and finally, the silicon rod is crushed into silicon blocks with different sizes. The invention further provides a using method of the silicon block crushing device, a silicon block crushing method and an application method.

The present invention relates to the technical field of crushing devices, in particular to a silicon block crushing device, comprising: a container, which provides a storage space for silicon rods to be crushed, and performs a crushing action in the storage space; two pulse electrodes, suspended in the storage space, And the suspension height and the position of the two pulse electrodes in the horizontal plane can be adjusted; there is high-purity water in the container, and the pulse electrodes generate pulse arcs in the high-purity water. The resistivity of high-purity water is ρ, and the unit is MΩ.cm, 16MΩ.cm≤ρ≤ 20MΩ.cm. In the present invention, during the pulse crushing process, the medium in contact with the silicon rod is high-purity water, which avoids the pollution introduced by people or metal materials during the manual or mechanical crushing process, forms a pulsed arc at the electrode, and the arc enters the interior of the polysilicon to form a plasma arc Channels, and finally break the silicon rods into silicon blocks of different sizes. The invention also claims the use method of the silicon block crushing device, as well as a silicon block crushing method and application method.

The invention discloses a human leg movement energy collection system and a collection method, including a human leg movement energy collection device, an electric energy management module and an energy storage module. The human leg movement energy collection device includes a shell on which a A generator and a potentiometer, the rotor of the generator is fixed with a working gear, and the inner bottom of the casing is rotatably connected with a first rotating shaft, and a swing rod and a sector gear are fixed on the first rotating shaft, and the free end of the swing rod Located on the outside of the shell, the sector gear is located on the inside of the shell, the angle sliding plate of the potentiometer is fixedly connected with the swing rod, and a gear box for acceleration is provided between the sector gear and the working gear. The collection is selective, and energy is collected during the falling stage of the calf. If it is not collected, the energy will be wasted. When collecting electric energy, the human body does not need to do extra work, which increases the comfort of the human body. The overall structure of the device is relatively compact, and the service life is relatively long. long.

The invention discloses an intelligent control method for the storage environment of fresh cold chain logistics transportation and storage based on real-time monitoring of environmental characteristics. By installing a control terminal on the inner wall of the compartment of the cold chain transport vehicle, the humidification control device in the control terminal realizes the cooling of fresh fruits and vegetables. The intelligent control of the storage environment humidity in the chain logistics transportation improves the flexibility and pertinence of the control, makes the control results more accurate, and can better meet the storage environment humidity requirements corresponding to the cold chain logistics transportation of fresh fruits and vegetables, which in turn is conducive to ensuring freshness. The freshness of fruit and vegetable storage; the stable control device in the control terminal realizes the direct control of the stability of the fresh fruit and vegetable stacking frame in the fresh fruit and vegetable cold chain logistics transportation, enhances the control effect, and greatly reduces the stability of the fresh fruit and vegetable stacking frame The poor control effect leads to the collision of the stacking frame of fresh fruits and vegetables, which leads to the decline of the quality of fresh fruits and vegetables, which is conducive to ensuring the quality of fresh fruits and vegetables stored.

The invention discloses a plasma processing device and a gas supply method, the plasma processing device comprises a reaction cavity, a base is arranged in the reaction cavity, a gas supply device conveys reaction gas into the reaction cavity, and the gas supply device comprises a gas main pipeline and a plurality of gas shunting conveying pipelines; a flow control valve is arranged on each of the multiple gas shunting conveying pipelines, and the corresponding relation between the flow coefficients of the multiple flow control valves and the electric signals is stored in a controller; and the proportional relation of the target gas flow of the multiple gas flow dividing conveying pipelines is set, and the controller conveys corresponding electric signals to the flow control valves according to the flow proportion of the multiple gas flow dividing conveying pipelines so as to adjust the valve opening degree of each flow control valve. According to the invention, one-to-two-path, one-to-three-path or even one-to-more-path division can be realized, accurate division can still be realized when a flow feedback module is not arranged, less time is consumed, the response speed is high, a control result is basically not influenced by differences of all valves, and the practicability is high.

The present invention discloses an oxygenator oxygen flow control system. The system comprises an oxygen flow sensor arranged on a gas transmission pipe, a throttle valve arranged on the gas transmission pipe, a motor of adjusting the on-off of a valve of the throttle valve by the rotation of the motor itself and a control panel. The oxygen flow sensor and the motor are connected with the control panel separately, and the control panel adjusts the oxygen flow according to the oxygen flow detected by the oxygen flow sensor and by controlling the working state of the motor to adjust the on-off of the valve of the throttle valve. The oxygenator oxygen flow control system of the present invention enables the oxygen flow to be controlled real-timely and continuously, an error to be controlled below plus or minus 0.1L / min and the cost to be reduced greatly, is accurate and stable in control result, rapid, time-saving and labor-saving in adjustment process, complete in function, simple in composition, good in system integration degree and low in product difficulty, and has the revolutionary practical significance for the intelligentization upgrading of the oxygenator.

The invention discloses a forming cylinder, a using method of the forming cylinder and a 3D printer. The forming cylinder comprises a forming cylinder body, wherein a forming base plate base is arranged in the forming cylinder body in a sealing mode, a forming base plate is arranged on the upper portion of the forming base plate base, the upper end of a lifting screw rod is fixedly connected withthe forming base plate base, and the lower end of the lifting screw rod is connected with the output end of a servo motor; a main ruler rod and the lifting screw rod are arranged in parallel, the upper end of the main ruler rod is fixedly connected with the forming base plate base, and the lower end of the main ruler rod is arranged on a position measuring controller in a penetrating mode; and theinput end of the position measuring controller is connected with a main machine computer, and the output end of the position measuring controller is connected with the servo motor. According to the forming cylinder, the main ruler rod and the position measuring controller are arranged, the position moving condition of the forming base plate base is determined in real time, accurate control is carried out on the servo motor, the using method is simple, results are accurate, and precision is high; and the 3D printer is small in printing error and high in part percent of pass.