27results about How to "Simplify the control problem" patented technology

The invention relates to an anti-backflow device, system and method and a power generation system. The anti-countercurrent device comprises an AC-DC conversion power supply module used for taking power from an inverter power grid side to obtain a DC power supply signal to at least supply power to a main control module; the detection module is connected in series in the electric energy output branch of the single photovoltaic power generation unit and is used for detecting, obtaining and outputting a first flow direction signal containing current flow direction information in the electric energy output branch; the electronic switch module is connected in series in the electric energy output branch and is used for connecting or disconnecting the electric energy output branch; and the main control module is used for acquiring the first flow direction signal to obtain the current flow direction and controlling the on-off of the electronic switch module according to the current flow direction. According to the embodiment of the invention, current detection, reverse current blocking and automatic recovery can be automatically controlled by the system, manual intervention is not needed, and the maintenance cost of the power station is greatly reduced.

The invention relates to the technical field of vehicle heat management, in particular to an energy-saving heat pump integrated heat management system which comprises a pipeline module, a motor electric control heat dissipation module, a cab refrigerating and heating module, a single battery refrigerating and heating module and a control module. Cooling liquid circulates to dissipate heat; according to the system, parts with the same functional attributes are integrated, the number of the parts is reduced, the cost is reduced, the efficiency is improved, the cost and energy consumption of the whole vehicle are reduced, refrigerants are directly communicated with the liquid cooling plate, the energy consumption of the whole vehicle is reduced, and the energy consumption of the whole vehicle is reduced. The battery pack is cooled and heated, the heat exchange efficiency is effectively improved, heat absorption and heat release are conducted on a refrigerant, PTC is omitted, waste heat generated by a motor loop is subjected to heat exchange with the refrigerant, the overall temperature of the refrigerant is increased, the waste heat of a motor is utilized, heat loss is avoided, and the endurance mileage of a vehicle is increased.

The invention discloses a returned intelligent electric meter sorting assembly line monitoring system. The system comprises a feature fusion sorting module, a digital mapping control module, a chain type tracing management module, a state diagnosis module and an environment management and control module. The feature fusion sorting module collects ammeter data through an industrial camera array, a microphone array, a structured light scanner and an infrared thermal imager, and performs feature fusion classification; the digital mapping control module calculates sorting process control parameters by using a distributed control model and an optimization algorithm; the chain type traceability management module adopts a block chain technology to record data and realize information retrieval; the state diagnosis module performs equipment fault prediction in combination with a data prediction technology; the environment management and control module monitors key parameters of the sorting environment. According to the system, the automation and intelligence level of an electricity meter sorting assembly line is improved, and the problems that an existing system is low in sorting efficiency, lagged in equipment monitoring and the like are solved.

The invention provides a multi-medium plunger pump set which comprises a pump station base, a driving device and a multi-crankshaft plunger pump driven by the driving device are arranged on the pump station base, the multi-crankshaft plunger pump comprises a machine body arranged on the pump station base, a plurality of crankshafts are arranged in the machine body, and the multiple crankshafts are arranged in the machine body. The crankshaft is connected with an output shaft of the driving device, a plurality of pump heads are arranged on the machine body, and the crankshaft drives the corresponding pump heads to pump various working solutions at the same time. According to the embodiment, the pump station capable of pumping different media is formed based on the multi-crankshaft plunger pump, multi-flow and multi-pressure output under the large-flow condition of the different media can be achieved, configuration and control of a fully-mechanized coal mining liquid supply system are simplified, and the transmission efficiency of a hydraulic system is improved.

The invention provides a low-sulfur manganese-silicon alloy and a production method thereof.The method comprises the steps that silica, coke and manganese ore are crushed and then mixed with lime, and smelting raw materials are obtained; a closed electric furnace is filled with smelting raw materials for smelting, and alloy melt is obtained; the alloy melt is transferred into a ladle, a desulfurizing agent is added for the desulfurization process, and manganese-silicon alloy molten iron is obtained; and the manganese-silicon alloy molten iron is poured into a mold for ingot casting, and a manganese-silicon alloy finished product is obtained after cooling. According to the method, the method capable of effectively reducing the sulfur content in the manganese-silicon alloy is provided through the steps of raw material crushing and mixing, in-furnace power transmission refining, out-of-furnace desulfurization, casting molding and the like, the low-sulfur manganese-silicon alloy is produced, and therefore control over the sulfur element content in a steelmaking product is facilitated.

The utility model discloses a solar energy wall lamp, relates to solar energy lighting equipment technical field, including lamp housing and smart home App, the lamp housing is fixedly connected with a plurality of lighting lamp body, the lamp housing is also provided with the intelligent induction system that is used for controlling the lighting lamp body, the intelligent induction system is connected with the smart home App. The intelligent home App is matched with the illuminating lamp body and the intelligent sensing system; the intelligent induction system controls the illuminating lamp body through induction to the outside. And the intelligent home App can control the illuminating lamp body through the intelligent sensing system. According to the utility model, highly automatic illumination control is realized through the intelligent induction system, and meanwhile, the application of the Bluetooth Mesh module greatly improves the installation convenience and the communication efficiency between lamps. Besides, the integration of the App enables the user to easily customize an illumination scheme according to own preferences and actual demands, and more personalized and intelligent illumination experience is realized.

The utility model discloses a parallel tail end multi-degree-of-freedom mechanical arm which comprises two groups of branch chains which are symmetrically arranged and fixed at two ends of a platform, each group of branch chains comprises a base, a first motor and a second motor are respectively arranged on two sides of the base, the first motor is connected with a first short connecting rod through a rocker arm, and the second motor is connected with a middle supporting piece. One end of the supporting piece is hung below the base through a support, the other end of the supporting piece is movably connected with the middle of the first long connecting rod, one end of the first long connecting rod is connected with the first short connecting rod, and the other end of the first long connecting rod is movably connected with the tail end platform. The other end of the second long connecting rod is movably connected with the tail end platform. According to the mechanical arm, the multi-degree-of-freedom parallel mechanical arm of the end effector can be achieved, and the problems that an existing parallel mechanical arm is complex in structure and high in control coupling degree, the degree of freedom of the end effector is limited, and installation and maintenance are difficult are solved.

The mechanical arm for the track inspection robot comprises the base and the driving piece, the driving piece is arranged at the top of the base, the driving piece is used for driving the mechanical arm to ascend and descend, the mechanical arm only adopts the mode that a single driving motor and a speed reducer are combined, the difficulty of control precision is lowered, and the control precision is improved. Synchronous rotation of the lower power arm and the upper power arm is achieved through mutual meshing of a first gear and a second gear, the structure is more compact, and the stability of the whole power arm system structure can be improved through an upper auxiliary force arm and a lower auxiliary force arm; the combined design of the photoelectric switch, the upper limiting photoelectric switch baffle and the lower limiting photoelectric switch baffle is adopted for detecting the motion position of the mechanical arm, stable operation of the mechanical arm is ensured, various detection devices can be carried through the top plate of the connecting base according to the inspection task requirement, corresponding tasks are executed under the motion of the mechanical arm, flexibility is high, and the robot is suitable for different working scenes.

The embodiment of the present invention relates to a method, device, equipment and storage medium for training an instruction generation model. The method comprises the following steps: inputting a data set into an initial model, wherein the data set includes a first instruction; extracting text features from the first instruction using the initial model; determining a hidden layer state sequence corresponding to the text features; encoding the hidden layer state sequence to obtain a semantic coding vector of a preset length; determining an output instruction corresponding to the first instruction according to the semantic coding vector, the text features and the hidden layer state sequence; and determining that the initial model training is completed when the similarity between the output instruction and the second instruction is greater than a set threshold, and obtaining a trained instruction generation model. Thus, the instruction generation model can be used to generate robot instructions from the fuzzy description input by the user, thereby achieving the purpose of fast and simple programming, simplifying the process of robot programming and control, and improving the efficiency of instruction generation.

The invention discloses a friction nanometer power generation sea snake imitating robot based on a paper folding structure and a using method. The friction nanometer power generation sea snake imitating robot comprises a snake head part and a connecting cylinder, and one end of the connecting cylinder is connected with the snake head part; one end of the snake body part is connected with the other end of the connecting cylinder; one end of the snake tail part is connected with the other end of the snake body part; wherein the snake body shell and the snake tail part are each of a folding paper folding structure made of a folding-resistant flexible material, and a friction nanometer power generation device is arranged on each folding paper folding structure. The sea snake-like robot has the advantages that manufacturing and control of the whole sea snake-like robot are simplified, and the effective contact area of the friction nanometer power generation device can be increased by reasonably designing the paper folding structure.

The utility model discloses a vacuum pump, which comprises a main pump body, an air flow inlet, an air flow outlet, a vacuum pump body and a vacuum pump body, wherein one side of the output end of the main pump body is provided with an air flow inlet; the flow dividing assembly is arranged on one side of the output end of the main pump body, the input end of the flow dividing assembly communicates with an airflow input opening, and the flow dividing assembly comprises a first-stage flow dividing channel and a second-stage flow dividing channel; according to the multi-stage booster pump, the design that multi-stage boosting is conducted through the flow dividing assembly is adopted, a single vacuum pump can achieve higher vacuum degree, parallel work of a plurality of pump machines is not needed any more, system design and control are simplified, and compared with a plurality of pump machines connected in parallel, the single multi-stage booster pump machine has the advantages that the cost is reduced, and the working efficiency is improved. Compared with the prior art, occupied space is smaller, equipment is simplified, installation and maintenance difficulty and cost are reduced, two-stage pressurization is formed through the sub-runner and multi-stage pressurization, energy utilization can be optimized while the vacuum degree is improved, and the problem of high energy consumption caused by simply increasing power is avoided.

This application relates to the field of robotics, and more particularly to a limb assembly and a robot to address the problem of poor waist flexibility in robots. In this limb assembly, a waist spin drive assembly, a waist lateral swing drive assembly, a waist pitch drive assembly, and a folding assembly are connected in series, respectively realizing waist spin, waist lateral swing, waist pitch, and the raising and lowering of the torso assembly, thus improving the robot's waist flexibility. Furthermore, each action can be achieved independently by its corresponding drive assembly, simplifying the structure and control of the limb assembly. In addition, when the lateral swing and pitch angles of the waist spin drive assembly are both 0 degrees, the waist pitch drive assembly and the waist lateral swing drive assembly are both located on the downward-facing side of the waist spin drive assembly, which helps to lower the center of gravity of the limb assembly. The waist lateral swing drive assembly is located on the rearward-facing side of the waist pitch drive assembly, which helps to improve the anthropomorphic and aesthetic appearance of the robot.

A bus-type flow amplification valve includes a hydraulic pump connected to an actuator via a main valve. The main valve is connected to a steering gear, which is connected to a steering wheel. The main valve includes a main valve core connected to the hydraulic pump via a priority valve and to the actuator via a buffer suction valve. Two control terminals of the main valve core are connected to a bus-type pilot module and also to the steering gear. This bus-type flow amplification valve, combined with the steering gear, enables hydraulic steering via steering wheel operation. Simultaneously, the bus-type pilot module, integrating a displacement sensor and an electro-proportional pressure reducing valve, allows for unmanned, remote-controlled steering, improving control accuracy, simplifying system wiring and control. Hydraulic steering via steering wheel has higher priority than electro-hydraulic steering, ensuring greater safety and reliability. The inclusion of a check valve and a back pressure valve achieves emergency steering and reduces impact.

The invention discloses fabric textile density detection equipment and a detection method, relates to the field of fabric textile density detection, and solves the problems that in existing fabric textile density detection, in order to obtain more diversified detection data, a fabric needs to be manually moved to change the position, the efficiency of manually moving the position of the fabric is low, and the detection efficiency is high. In order to solve the problems that in the prior art, in the prior art, a fabric density tester and operation are complex, the fabric density tester comprises a fabric density tester, a supporting frame, a conveying roller, a power roller, a power mechanism, a sliding frame, a sliding roller, a supporting plate, a sliding roller pulling mechanism and a supporting plate adjusting mechanism, the sliding roller pulling mechanism is used for pulling the sliding roller to be close to the power roller, and the supporting plate adjusting mechanism is used for adjusting the supporting plate to move up and down; the supporting frame is provided with a supporting plate for fitting and supporting the fabric above the supporting plate, and the supporting frame is further provided with a flattening mechanism for flattening the fabric supported on the supporting plate. According to the device, the fabric can be flexibly conveyed and adjusted, so that the textile density detection at different positions is realized, and the operation efficiency is greatly improved.

The invention relates to the technical field of software, in particular to a Bluetooth voice remote controller generalization method and system, and the method comprises the steps: constructing a heterogeneous remote controller feature model; designing a private feature set pre-compiling framework of the remote controller combination based on the heterogeneous remote controller feature model; decoupling of the business module and the remote controller feature set is realized based on a private feature set pre-compiling framework; connection of different hosts is realized based on a carousel method of a backoff strategy; and discriminating models of the remote controllers and loading feature sets and resources of the target remote controllers. The invention provides a universal design method which does not depend on additional hardware, and the compatibility of different remote controllers, the flexibility of functions and the efficient utilization of system resources are ensured.

The invention relates to a novel virtual direct current motor control method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: constructing a mathematical model of a virtual direct current motor; analyzing the mathematical model of the virtual direct current motor, introducing virtual inertia, and determining a novel virtual direct current motor; and controlling the line based on the novel virtual direct current motor. By adopting the method, a control structure with an inverse droop characteristic and an output voltage compensator can be obtained, stable operation of the device is ensured, and meanwhile, indifference control of the output voltage and certain inertia support can be realized.

This invention relates to a multi-segment variable stiffness magnetically driven continuum conduit robot and its control method. The multi-segment variable stiffness magnetically driven continuum conduit robot includes a conduit body with at least one axially extending working channel inside; a multi-joint magnetic drive unit includes multiple magnetic units spaced apart along the axial direction of the conduit body; a reversible variable stiffness module is disposed within at least one functional segment of the conduit body; the reversible variable stiffness module includes a phase change material encapsulated within a flexible covering structure and a heating component for heating the phase change material; a stiffness control system controls the phase state of the phase change material in each reversible variable stiffness module. This invention, by combining a multi-joint magnetic drive structure with segmented integrated reversible variable stiffness modules, achieves precise controllability of the deformable segments of the continuum robot, on-demand provision of local stiffness, and flexible switching between multiple working modes, thereby improving its operational accuracy, stability, and adaptability in complex cavity environments.

The embodiment of the invention provides a multi-rate optical receiver and an optical signal detection method thereof, and belongs to the technical field of photoelectricity. The multi-rate optical receiver comprises an optical chip unit which comprises a first detector used for detecting an optical signal and a second detector used for converting the optical signal into an optical current signal; the bias voltage regulation and control part is connected with the second detector and converts the light current signal output by the second detector into a bias voltage regulation and control signal; and the bias voltage providing part is interconnected with the first detector, provides bias voltage for the first detector according to the bias voltage regulation and control signal output by the bias voltage regulation and control part so as to change the working state of the first detector, converts the light current signal from the first detector into an electric signal, and outputs the electric signal to the output end of the multi-rate optical receiver. According to the multi-rate optical receiver, bias voltage control is carried out on the thin intrinsic layer in the first controller, so that the working bandwidth is flexibly adjusted for detecting and receiving optical signals at different rates.

The invention belongs to the technical field of rocket recovery, and discloses an unmanned aerial vehicle group capture type rocket sublevel air recovery method and device and a storage medium. The method comprises the following steps: an unmanned aerial vehicle group hovers in the air, executes global search, and covers a whole rocket sub-level recovery task area; adjusting flight parameters of the unmanned aerial vehicle in real time according to ephemeris and attitude information of the rocket sub-level, accurately locking a target, and encircling at an optimal capture point; the flight state of the unmanned aerial vehicle is changed from a circling mode to a diving mode, and the unmanned aerial vehicle dives rapidly to approach the rocket sublevel to form a precise capture trajectory; path planning and action management are carried out, and a capture task is completed under the condition of minimum energy consumption; and performing performance evaluation on the whole recovery process, and analyzing indexes such as capture percentage, energy consumption and time efficiency of the task. According to the invention, the dependence on a specific landing area is reduced, so that the recovery of the rocket sublevel can be carried out in a wider airspace, and the flexibility and applicability of operation are improved.

The invention provides a manifold assembly and a multi-way valve. The manifold assembly includes: a runner plate; a valve element; the connecting block is arranged on one side of the runner plate and is communicated with the runner plate; wherein the connecting block is provided with a mounting surface; wherein the valve element is mounted on the mounting surface, and is communicated with the runner plate through the connecting block. The multi-way valve comprises a valve element and a connecting block; the connecting block is provided with a mounting surface; the valve element is mounted on the mounting surface; the connecting block is also provided with an interface surface; and an interface is arranged on the interface surface.

The invention relates to the technical field of organic fertilizer equipment, and in particular to a raw material mixing device for organic fertilizer fermentation, comprising a fixed shell and a stirring assembly, wherein the stirring assembly comprises two groups of stirring members, each group of stirring members at least comprises a rotary arm and two parallel stirring rods, the stirring rods are rotationally matched with the rotary arm through a connecting member, and the rotary arm is rotationally matched with the fixed shell through a rotating shaft; the rotating shaft of at least one group of stirring members is connected with a driving device, and a cleaning member is slidingly provided between the stirring rods of the two groups of stirring members, and the driving energy transmitted by the driving device through the rotating shaft is transmitted to the cleaning member through the stirring rod part, so that when mixing and stirring are performed, the cleaning member can automatically move back and forth on the stirring rod to remove the accumulated materials on the stirring rod, thereby realizing automatic cleaning, helping to reduce the need for manual intervention, avoiding the hysteresis of traditional cleaning methods, and ensuring the long-term stability of equipment and production.

The application discloses a cartridge switching valve for peritoneal dialysis, a flow channel switching method and a cartridge. The switching valve comprises a rotating valve body. Flow channels in the cartridge are uniformly arranged along the circumferential direction of the rotating valve body. A plurality of valve body flow channels are formed in the rotating valve body and are matched with the flow channels arranged in the cartridge. The number of the valve body flow channels is matched with the number of the connection mechanisms of the flow channels in the cartridge. The connection mechanisms are determined by the interval angle of two flow channels connected with each other in the cartridge. The connection of the two flow channels in the corresponding cartridges is realized by rotating the valve body flow channels to the corresponding positions. The application can realize the quick switching of the flow channels. During the switching process, only the rotation angle of the rotating valve body needs to be controlled, without the complicated control logic. The structure and the control process of the cartridge can be effectively simplified, and the failure rate is reduced.

The present application relates to a radiator and a self-cooling motor, belonging to the field of motor heat dissipation technology, which includes a heat dissipation bracket, in which a plurality of heat dissipation air ducts, a first circulating oil channel and a second circulating oil channel are provided, the heat dissipation air ducts pass through the top and side walls of the heat dissipation bracket, the first circulating oil channel is arranged adjacent to the heat dissipation air duct, an oil inlet is provided on the side wall of the heat dissipation bracket, the oil inlet is connected to the first circulating oil channel, the second circulating oil channel is connected and arranged at the bottom of the heat dissipation bracket, the first circulating oil channel and the second circulating oil channel are connected, the heat dissipation bracket is provided with an oil outlet, and the oil outlet is connected to the second circulating oil channel. The present application has the effect of reducing the occupied space of the oil-cooled motor, facilitating the assembly and installation of the oil-cooled motor, so that it can be used in more scenes and improving its adaptability.

This invention discloses a quantitative sampling device, including a quantitative sampling mechanism and a rotation-telescopic motion mechanism for driving the quantitative sampling mechanism to perform sampling. The quantitative sampling mechanism includes a sampling vial holder, on which a sampling vial cap is fixedly mounted. A circular groove is provided on one side of the sampling vial cap, and a small sampling hole communicating with the circular groove is provided on the upper part of the sampling vial cap. A small inlet hole communicating with the circular groove is provided on the lower part of the sampling vial cap. A plunger is provided within the circular groove, and the plunger can rotate relative to the circular groove and move along the axis of the circular groove. The rotation-telescopic motion mechanism includes a base plate, on which a bushing seat is mounted, and a power shaft is mounted within the bushing seat. The base plate also includes a drive assembly and a switching assembly. The drive assembly is used to drive the power shaft to rotate relative to the bushing seat or move axially relative to the bushing seat, and the switching assembly is used to switch between rotational and telescopic motion of the power shaft. This invention also discloses a drug sensitivity analyzer.

The invention discloses blended yarn dyeing equipment and a dyeing method, relates to the field of yarn dyeing, solves the problems of poor infiltration uniformity and low efficiency during existing blended yarn dyeing, and provides the following scheme that the blended yarn dyeing equipment comprises a dyeing box, a second telescopic part, a supporting frame, a rotating roller, a driving assembly, an extrusion roller, a cam, a triangular top frame and a sliding plate; the cam is slidably connected with the sliding plate in a matched mode, the triangular top frame is slidably connected with the extrusion rollers in a matched mode, and a gear linkage assembly is further arranged between the triangular top frame and the sliding plate and used for pushing the triangular top frame to move upwards so as to push the extrusion rollers on the two sides to be away from each other when the cam is matched with the sliding plate and drives the sliding plate to move downwards. A stirring assembly is further arranged in the dyeing box, and the stirring assembly runs when the sliding plate slides downwards so as to stir dye liquor in the dyeing box. According to the device and method, the dyeing uniformity of the blended yarn can be effectively improved, feeding and discharging can be achieved on the two sides, and the processing operation efficiency is improved.

The folding device according to an embodiment of the present invention can fold a platform of a pouch cell. The folding device may include: a pair of gripping members facing each other, the platform being located between the pair of gripping members; and the folding mechanism is arranged outside the pair of clamping parts so as to fold the platform. Each of the gripping members may include: a body that rotates about an axis of rotation parallel to the platform; a first protrusion protruding from one side portion of the main body and sandwiching the platform; and a second protrusion protruding from the other side portion of the main body, in which the second protrusion grips an inner portion of the platform other than the portion gripped by the first protrusion due to rotation of the main body.

The utility model relates to the technical field of coffee making equipment, and discloses a weighing device, a bean grinder and a coffee machine. The weighing device comprises a material receiving container, a door plate assembly, a driving piece and a weighing mechanism. A discharge hole is formed in the bottom of the receiving container; the door plate assembly is movably connected with the bottom of the material receiving container and has a first state for shielding the discharge port and a second state for opening the discharge port; the driving piece is arranged on the material receiving container and drives the door plate assembly to be switched between the first state and the second state. The weighing mechanism is arranged at the bottom of the material receiving container, and the weight sensor is used for detecting the weight of materials in the material receiving container when the door plate assembly is in the first state. The weighing device can weigh the materials when the door plate assembly is in the first state and discharge the materials when the door plate assembly is in the second state, automatic discharge of the materials is achieved, the weighing process of the materials is simplified, and the coffee blending efficiency is effectively improved when coffee is blended.