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17results about How to "Achieve control effect" patented technology

Non-singular terminal sliding mode control method and system for marine rotary crane

PendingCN119575805Asuppression of external disturbancesgood compensationAdaptive controlMarine engineeringMathematical model
The invention discloses a nonsingular terminal sliding mode control method and system for a marine rotary crane, and the method comprises the steps: obtaining related parameters of a four-degree-of-freedom marine rotary crane, and building a first mathematical model; establishing a first equation and a second equation based on the first mathematical model; an equation is combined with the improved non-singular fast terminal sliding mode curved surface, and a non-singular terminal sliding mode controller is obtained through solving; and a nonsingular terminal sliding mode controller is used for controlling the four-degree-of-freedom marine rotary crane to move. The external disturbance of the crane system can be well inhibited by coupling measurable ship yawing and rolling disturbance and combining self-adaptive control, meanwhile, a good compensation effect is achieved for parameter uncertainty caused by reciprocating transportation in actual operation, and the stability of the system is improved. And finally, efficient trajectory tracking and swing suppression can be realized, so that a control effect is achieved.
Owner:NANJING TECH UNIV

Underwater vehicle model reference adaptive control system and method based on transient performance optimization

The invention provides an underwater vehicle model reference adaptive control system and method based on transient performance optimization. The system comprises a vehicle, a sensor, an execution mechanism and a controller. The control method comprises the following steps: aiming at a controlled object underwater vehicle, designing a model reference adaptive controller, and carrying out transient performance optimization on a control quantity. Wherein the control quantity u is composed of three parts, namely the system control quantity u = un + ua + v, un is the system nominal control quantity, ua is the additional control quantity designed by the neural network, and v is the transient performance optimization control quantity. By designing the control input u, the matching uncertainty of the system can be inhibited. The method has the advantages that the rapid stability-free control of the underwater vehicle is realized, the contradiction between the rapidity and the error of the control system is relieved, and the stability-free control effect is achieved; the engineering design cost can be reduced, and the rapid and stable self-adaptive control effect can be achieved under the conditions that a hydrodynamic test is not conducted and parameter errors are large.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Flow deflector of plate-fin heat exchanger

The utility model discloses a plate-fin heat exchanger flow deflector, which relates to the technical field of flow deflectors, and comprises a substrate and a cleaning component, the surface of the substrate is provided with a flow deflector body, the left side of the flow deflector body is provided with a fluid inlet, and the top, bottom and right side of the flow deflector body are provided with fluid outlets. The cleaning assembly is installed on the left side of the bottom of the base plate and comprises a second motor, a first brush roller, a first bevel gear, a second bevel gear, a second brush roller, a third bevel gear, a fourth bevel gear, a third brush roller, a fifth bevel gear, a sixth bevel gear and a fourth brush roller. According to the plate-fin heat exchanger flow deflector, the first motor works to drive the rotating plate to rotate, so that the first blocking cover, the second blocking cover and the third blocking cover on the rotating plate coincide with the upper flow guide hole, the lower flow guide hole and the right flow guide hole in different directions at different degrees, and fluid flows out from the exposed flow guide holes after driving the flow guide plate to rotate by means of flowing force of the fluid; and the effect of controlling the outflow direction is achieved.
Owner:WUXI ZHENGHONGXINHANTONG HEAT EXCHANGE TECH CO LTD

Raw material conveying mechanism of total mixed ration preparation machine

The utility model relates to the technical field of raw material conveying, and discloses a raw material conveying mechanism of a total mixed ration preparation machine, which comprises a bottom plate and a conveying pipe, a screening and replacing mechanism is arranged on the upper surface of the conveying pipe, and the screening and replacing mechanism comprises a feeding block, a screening plate, a connecting plate and a limiting bolt. And the bottom of the feeding block is fixedly connected with the upper surface of a conveying pipe. According to the raw material conveying mechanism of the total mixed ration preparation machine, through the use of a screening plate, raw materials can be screened to a certain extent during raw material conveying, the effect of more efficient processing and conveying is achieved, and through the use of a sliding groove, a connecting plate and a limiting bolt structure, the raw materials can be conveyed more efficiently. The effects that the screening plate is conveniently installed and used and can be rapidly replaced are achieved, then the problem of screening the raw materials during conveying is solved, the effect of improving the machining efficiency can be achieved, and the effects that the screening plate can be conveniently replaced, and the raw materials are prevented from being blocked during conveying can be achieved.
Owner:HEBEI MUXING MACHINERY EQUIPMENT MANUFACTURING CO LTD

Cast-in-place pile based on rock-soil slope protection

ActiveCN222140074Uachieve control effectTo achieve the effect of fixed connectionClimate change adaptationExcavationsScrew threadServo
The utility model discloses a rock-soil-based slope protection cast-in-place pile, and relates to the technical field of engineering construction, the rock-soil-based slope protection cast-in-place pile comprises a slope protection cast-in-place device, the slope protection cast-in-place device comprises a slope protection mechanism and a cast-in-place mechanism located on one side of the slope protection mechanism, the slope protection mechanism comprises a slope protection plate, a first connecting block, a telescopic column, a servo motor, a threaded sleeve and a first threaded lead screw, and has the advantages that the servo motor is started to drive the first threaded lead screw to extend and retract through the threaded sleeve, and one end of the first threaded lead screw is connected with the front end of the telescopic column through a bearing; and a first connecting block is arranged at the front end of the telescopic column, and the connecting block is movably connected with the slope protection plate, so that a supervisor can control a servo motor to enable the slope protection plate to be attached to the rock slope, and the effects of protecting and supporting the rock slope are achieved.
Owner:GUOYAN GEOTECHNICAL (HAINAN) ENG CO LTD

Distributed finite-time synchronization method for multi-layer heterogeneous networks with containment impulse control

The application provides a kind of distributed finite time synchronization method of multi-layer heterogeneous network of restraining pulse control, and relates to the field of control and information technology.The application combines distributed restraining control and pulse control to realize the finite time synchronization of multi-layer heterogeneous network.On the one hand, the method of distributed control can reduce the dependence on global information of network and improve the robust performance of controller. On the other hand, the discontinuous characteristics of pulse control can reduce the control cost while achieving control effect. Based on Lyapunov stability theory, sufficient conditions for network to achieve finite time synchronization are obtained. Compared with homogeneous network, the heterogeneous network model can better describe the state of each node in the network. Analyzing the heterogeneous network is conducive to deepening the understanding of complex network synchronization control, and has profound theoretical value and rich practical value.
Owner:NORTHEASTERN UNIV AT QINHUANGDAO

A loom for optimizing simulated textile patterns

The present invention discloses a loom for optimizing and simulating textile patterns, and the present invention relates to the technical field of textile machines, comprising an installation base plate, wherein the top surface of the installation base plate is provided with a loom device, an intelligent replacement mechanism and a simulation optimization mechanism in sequence from front to back, and the loom device comprises a discharge assembly, a warp insertion mechanism, a weft insertion mechanism and an installation box, wherein the front and rear ends of the warp insertion mechanism are respectively connected to the rear end of the discharge assembly and the front end of the weft insertion mechanism, and the advantages of the present invention are that the top end of the brown wire rod is matched with the through hole opened inside the limit sliding column, so that the brown wire rod can be kept stable while being lifted and lowered, and then a micro motor is arranged inside the control installation box, so that the control installation box controls and adjusts each micro motor, and when weaving, the height of the brown wire rod can be adjusted to change the activity range of the warp and to regulate the tightness of the warp to a certain extent, thereby achieving the effect of controlling the texture of the woven pattern when weaving.
Owner:NANTONG YUANJIU TEXTILE TECHNOLOGY CO LTD

A direct current motor with temperature control function

The application discloses a direct-current motor with a temperature control function, and relates to the technical field of direct-current motors, which comprises a shell module, a power cavity and a driving motor.
Owner:CHANGZHOU TIANAN NIKODA ELECTRONICS

A jib power gas control system and control method

The application discloses a kind of crane arm power gas control systems and control method, crane arm power gas control system includes gas source, control pipeline, clamping component and control valve group, control pipeline includes main gas path, balance pipeline and clamping pipeline, main gas path is communicated in gas source, to supply gas to flow along preset direction;Balance pipeline, clamping pipeline are connected in parallel in main gas path;Clamping component includes clamp, balance cylinder and clamping cylinder, clamp is used to clamp load;Balance cylinder is located in balance pipeline, and is connected to clamp, balance cylinder is used to make clamp keep suspended;Clamping cylinder is located in clamping pipeline, and is connected to clamp, clamping cylinder is used to drive clamp clamping load;Control valve group is located in control pipeline, and is located in balance pipeline and clamping pipeline, control valve group is used to control the on-off of balance pipeline and the on-off of clamping pipeline;Wherein, balance cylinder is configured to: adapt to the load clamped by clamp, balance cylinder provides corresponding balance force, to make clamp suspended.
Owner:CHANGSHA ZHONGLIAN HENGTONG MACHINERY

Touch screen constant-temperature wash basin faucet

ActiveCN224201240Uachieve control effectImprove experienceValve housingsThermostatWater temperature
The utility model relates to the technical field of faucets, and particularly discloses a touch screen constant-temperature wash basin faucet which comprises a bottom plate, a frame, a glass panel, a water inlet main body and a water outlet nozzle, an electronic thermostat, a control assembly and a plurality of water inlet pipes are installed on the inner side of the water inlet main body, and the water inlet main body is communicated with the water outlet nozzle through the water outlet pipes. The glass panel and the water outlet nozzle are sequentially installed on the bottom plate, the frame is arranged on the outer side of the bottom plate in a sleeving mode, a temperature display screen and touch keys are installed on the inner side of the bottom plate, the electronic thermostat is communicated with the water inlet pipe and the water outlet pipe, and the touch keys and the temperature display screen are electrically connected with the electronic thermostat and the control assembly. The temperature display screen and the touch keys are arranged to be matched with the electronic thermostat and the control assembly to display the water outlet temperature, traditional hand wheel adjustment is omitted, the intelligent degree is high, the water outlet switch and the water outlet temperature can be controlled and adjusted only by touching, the touch control effect is achieved, the appearance is more concise and attractive, and the water outlet temperature can be adjusted conveniently. And the user experience effect is good.
Owner:HESHAN GE LAI DI SANITARY WARE CO LTD

Cast film casting machine

ActiveCN118849295Bprevent leakageFlexible adjustment of inclination angleCoatingsMolding machineMachine
The present invention discloses a cast film casting machine, comprising a base, a machine body arranged on the top of the base, a material frame connected to the top of the machine body, the machine body and the base are movably connected through an adjustment structure, the machine body can change the tilt angle through the adjustment structure, and a transmission structure for controlling the tilt of the machine body is arranged on the top of the base. The present invention drives the adjustment structure to operate by arranging a transmission structure, so that the machine body swings back and forth on the top of the base, thereby utilizing the flow force during tilting to accelerate the conveying efficiency of the material inside the machine body. During the operation of the transmission structure, the striking structure can strike the machine body during the swinging of the machine body, and the transmitted vibration can be transmitted to the inside of the machine body, so that the raw material attached to the surface of the conveying rod is separated from the sticky state of the conveying rod by the vibration force, and the machine body can utilize the linkage structure to drive the sealing structure to open and close during the swinging process, and can seal the material frame when tilting to prevent leakage when the material frame is tilted.
Owner:NANTONG SANXIN PLASTICS EQUIP TECH

Control system and control method of industrial control equipment

The invention provides a control system and a control method of industrial control equipment, and relates to the technical field of industrial equipment control. According to the control system and control method of the industrial control equipment, a data processing center is included, IO data input equipment is arranged at the data input end of the data processing center and comprises but not limited to a keyboard, a mouse and a touch screen, and the IO data input equipment carries out preset industrial equipment control data input through an engineer; the data input end of the data processing center is further provided with a data feedback module, and the data feedback module can input execution feedback data to the data processing center. By adopting a closed-loop control system structural design, a data feedback module of the control system feeds back a data processing center according to sensed system feedback information, the data processing center adjusts a control signal based on an AI data processing module or an engineer so as to achieve an expected control effect, the control signal can be adjusted according to actual conditions, and the control accuracy is improved. And the method has better stability and robustness.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Material recovery device suitable for 3D printer

The utility model relates to the technical field of 3D printers, and provides a material recovery device suitable for a 3D printer, which comprises a support frame, the top end of the support frame is fixedly connected with a mounting table, the right side of the top end of the mounting table is fixedly connected with a material storage box, and the left end of the inner wall of the material storage box is slidably connected with a movable plate; a positioning frame is fixedly connected to the left side of the top end of the storage box, a fixing table is fixedly connected to the middle of the top end of the storage box, and a second motor is fixedly connected to the top end of the fixing table. According to the feeding device, the second motor drives the second worm to operate, the second worm drives the second worm gear, the second transmission rod and the fixing block to rotate synchronously through meshing transmission of the second worm, the rack plate and the movable plate are further driven to move synchronously, and the movable plate can shield the range of the feeding port to different degrees in the moving process; and therefore, the effect of controlling the flow rate of the material is achieved, and the flow rate of the material is accurately controlled in the recovery process.
Owner:HUBEI LINGZAO 3D TECH CO LTD

Water tank circulating water replenishing device for cooling and heating all-in-one machine

ActiveCN222337507UImprove practicalityAvoid the problem of reduced hydration accuracyLevel controlThermodynamicsWater flow
The utility model provides a water tank circulating water replenishing device for a cooling and heating all-in-one machine. The water tank circulating water supplementing device for the cooling and heating all-in-one machine comprises a base, the top of the base is fixedly connected with a detection box, and the side face of the detection box is fixedly connected with a water conveying pipe in a sleeved mode. According to the water tank circulating water replenishing device for the cold and hot all-in-one machine, the control host is arranged, when water replenishing is conducted on the water tank, the control host is started, so that when water flow in the detection box is lowered, the liquid level of the water flow in the detection box drives the lifting rod to move downwards through the floating base, and water replenishing is conducted; at the moment, a lifting rod can drive a first plug to enter a second control switch, then the second control switch is in an on-state, a control host can control a conveying pump to be started at the moment, water flow is injected into the detection box, and the water supplementing effect in the water tank is achieved; therefore, the problem that the sensitivity of the electronic sensor is reduced when the electronic sensor is used for a long time and the water replenishing accuracy is reduced is solved, and the practicability of the water replenishing device is improved.
Owner:SHANGHAI ZHUSONG MASCH CO LTD

Automatic temperature control reaction equipment for rubber accelerator production reaction

The utility model discloses automatic temperature control reaction equipment for rubber accelerator production reaction, and particularly relates to the field of rubber accelerator production, the automatic temperature control reaction equipment comprises a reaction kettle, a temperature control cover is fixedly arranged on the outer surface of the reaction kettle, a sealing cover is fixedly arranged at the top end of the reaction kettle, a stirring piece is arranged above the sealing cover, and the stirring piece is connected with the temperature control cover. A liquid storage tank is arranged outside the reaction kettle, two heat dissipation pieces are fixedly mounted on the surface of the liquid storage tank, two refrigeration pieces are fixedly embedded in the surface of the liquid storage tank, a liquid supply assembly is arranged above the liquid storage tank, and a circulating pipe is fixedly communicated with the bottom surface of a temperature control cover. And one end of the circulating pipe penetrates through the liquid storage tank and extends into the liquid storage tank. According to the utility model, accurate regulation and control of the reaction temperature are realized, the temperature can be stabilized in a set range in both the heating process and the cooling process, the problems of insufficient reaction or excessive reaction and the like caused by temperature fluctuation are effectively avoided, and the product quality of the rubber accelerator is improved.
Owner:RONGCHENG CHEM GENERAL FACTORY CO LTD

A water level control device for a heat exchanger of a heat supply network first station

The utility model discloses a kind of heat exchange network first station heat exchanger water level control devices, specifically related to heat exchanger control field, including heat exchanger body, the right side of the heat exchanger body is fixedly connected with water inlet pipe, the left side of the heat exchanger body is fixedly connected with drain pipe, the inside top side of the heat exchanger body is installed with water level detection sensor. Flip the arc-shaped block of two sides forward, make arc-shaped block and support block merge, and insert block is completely inserted into the inside of slot, in this process, positioning block will contact with the surface of slot, contact force makes positioning block slide to the inside of sliding groove, and make support spring compression, until positioning block and positioning slot position correspond, support spring rebound drives positioning block to move outward and inserts into the inside of positioning slot, to reach the effect of the fixation of positioning block, and positioning block and support block merge complete the fixation and support of heat exchanger body. To reach the effect of device convenient fixation and support of heat exchanger.
Owner:SICHUAN NAT ENERGY TECH CO LTD

Circuit board with adjustable mounting holes

The utility model relates to the technical field of circuit boards, in particular to a circuit board with adjustable mounting holes, which comprises a substrate, an adjusting groove is formed in the surface of the substrate in a penetrating manner, a limiting groove is formed in the inner side of the adjusting groove, a second limiting rod is slidably connected to the inner side of the limiting groove, and a connecting ring is fixedly connected to the surface of the second limiting rod. The surface of the connecting ring is fixedly connected with a first limiting rod, and the inner wall of the connecting ring is fixedly connected with an abutting plate. Through the connection of the connecting ring and the second limiting rod and the sliding connection of the second limiting rod and the limiting groove, the effect of controlling the acting position of the connecting ring on the adjusting groove is achieved, the installation and use range and performance of the base plate are improved, and through the connection of the abutting plate and the acting plate and the connection of the connecting ring and the fixing plate, under the action of the supporting spring, the service life of the base plate is prolonged. The elastic connection effect of the abutting plate on the connecting ring is achieved, and the use range and performance of the connecting ring are improved.
Owner:SHENZHEN JIARUIJUN NEW MATERIAL TECH CO LTD