52 results about "Power group" patented technology

The utility model relates to synchronous cross operation control over transverse station connection, rail piece flash processing and heel end rail bottom milling of special-shaped steel rails, in particular to a multi-station rail piece connection system for flash processing after forging of steel rails, which can be used for intelligent manufacturing of turnouts. The whole transverse station mainly comprises a feeding and storing area, a feeding and overturning area, a waiting area, a machining area, an inspection area, a discharging and overturning area and a discharging and collecting and storing area. The material waiting area has the double functions of material taking, material placing and material waiting for heel end milling rail pieces and material waiting for flash machining at the same time, so that rail piece feeding connection of rail bottom milling and transition section flash machining is achieved. The connecting vehicle body can move in the transverse area of the whole flash machining production line in a through mode and can transversely penetrate through seven transverse station areas. The connecting system is mainly composed of a ground rail unit, an advancing power set, a vehicle body frame, a rail piece inverted supporting body and a height oil cylinder set.

The present application relates to the technical fields of power group control optimization distribution management, and is used to solve the problems that the traditional elevator system not only has low operation efficiency but also has large energy consumption, and cannot adjust the elevator operation according to the actual situation, thereby causing long waiting time and increased energy consumption, and particularly discloses a power group control optimization distribution management system based on intelligent elevator, which comprises a data acquisition unit, a server, an elevator operation analysis unit, a personnel distribution analysis unit, a power consumption prediction analysis unit, a power distribution management unit, a control execution unit and a display terminal; through the cooperative work of each component, the present application realizes reasonable power distribution of each elevator according to the actual operation condition of the elevator, and improves the elevator operation efficiency and the reasonable utilization of power energy.

1. The name of the design product: jet pump propeller (X1). 2. The use of the design product: jet pump propeller use: jet pump power group provides forward power for ships or water products. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention relates to a profiled groove forming device for a fuse contact piece, which comprises a base arranged on a table top of a rack and provided with a plurality of lifting columns for a movable carrying table to move up and down along the lifting columns; the movable carrying table is used for installing the fuse contact piece, enables the processing surface of the fuse contact piece to be placed upwards, and is driven by a jacking mechanism to ascend or descend; the scraping assembly is fixedly arranged at the top of the base in a suspended mode and used for conducting scraping and slotting on the fuse contact piece on the movable carrying table; the moving direction of the scraping assembly is perpendicular to the lifting direction of the movable carrying table. The power unit is connected to the scraping assembly and the grinding and polishing assembly; the grinding and polishing assembly is used for grinding the edge of the blasting groove; the profiled groove forming equipment for the fuse contact piece is simple in structure, low in cost and easy to implement, and the problems that in the existing profiled groove machining process, efficiency is extremely low, cost is high, and microcracks are likely to be generated on the surface are solved.

The application discloses a kind of high-efficiency omni-directional decoupling annular vector tilt-rotor aircraft and control method thereof, aircraft includes fuselage, fuselage driving gear set, four tilting mechanisms, four annular vector tilt-rotor power groups and electronic equipment etc.Parts.The aircraft described in the application can realize six degrees of freedom omni-directional pose decoupling flight, the attitude angle is omni-directional arbitrary angle in it, including roll angle, pitch angle and yaw angle, can realize arbitrary attitude hovering and flight of aircraft.The aircraft described in the application solves the controllable attitude angle limit of conventional variable tilt-rotor mechanism from structure, improves the ability of complex space activity of aircraft, and fundamentally solves the problem of power offset and power redundancy, reduces energy loss, improves power efficiency, prolongs endurance time, and is suitable for application scenarios requiring strong anti-interference and air physical interaction capability, and has important significance and value in the future.

There is provided a scan cell placing method including calculating a weight of each scan cell from a deterministic pattern input to a plurality of scan cells, dividing the scan cells into a coverage group and a power group on the basis of the weights, forming a plurality of power subgroups from a result of providing a pseudo random pattern to scan cells belonging to the power group, and scheduling one or more of the power subgroups to reduce peak power in a test process.

A clutch assembly (10), in particular for a winding device for wires, tubes and the like, which is configured to be mounted between a power group (200) and a driven element (300) is described. The clutch assembly (10) comprises: a first shaft (11) and a second shaft (12) being coaxial and rotational about an axis (X); clutch means (20) interposed between the first and second shafts (11, 12), the clutch means (20) in turn comprising at least one clutch disk (21); an urging and adjusting group (30) for the clutch means (20) configured to press the at least one clutch disk (21) against the first and second shafts (11, 12) with an adjustable elastic force. The urging and adjusting group (30) comprises an endless screw (31) and a gear wheel (32) in mutual screwing engagement.

The embodiment of the application discloses a kind of control method of walking equipment, control device, walking equipment and storage medium, belong to equipment control field.Walking equipment includes hydraulic pump group and at least two power groups, hydraulic pump group includes at least two hydraulic pumps, each power group includes sequentially connected first proportional valve, high-speed switch valve and motor, each hydraulic pump is connected each first proportional valve, and the first proportional valve in each power group is also connected with corresponding motor, the control method of walking equipment includes: response receives speed mode instruction, the state of high-speed switch valve is switched;According to received walking instruction, the flow mode of hydraulic pump group is switched;Based on speed mode instruction and the flow mode of hydraulic pump group, determine current speed range;According to current speed range, determine the target speed corresponding to walking instruction;Based on target speed, adjust the opening area of first proportional valve, to control the rotating speed of motor.By switching the state of high-speed valve and hydraulic pump, the speed of walking equipment can be accurately controlled according to actual road conditions.

The invention discloses a flexible direct current converter valve side rated voltage configuration method and device, terminal equipment and a storage medium, and belongs to the field of power systems. Constructing a boundary valve side operating voltage set taking the ratio of the valve side rated voltage to the direct current side rated voltage as a variable, and further constructing a third harmonic modulation degree set taking the ratio as a variable; according to the third harmonic modulation degree set, constructing a function relational expression between the maximum third harmonic modulation degree in the third harmonic modulation degree set and the ratio; according to the function relational expression, calculating the value of the ratio when the maximum third harmonic modulation degree is the minimum value, and taking the value as a target ratio; calculating a target valve side rated voltage value according to the target ratio and the direct current side rated voltage; and configuring the valve side rated voltage of the flexible DC converter according to the target valve side rated voltage value. The technical vacancy of valve side rated voltage configuration in the prior art is filled.

The invention discloses a planned electric quantity management and control method and system based on multi-index cooperative tracking, and the method belongs to the technical field of digital management and control of an electric power system, and achieves the collection and standardization of cross-system data through constructing a multi-index system comprising a plan type index, an execution type index, a prediction type index and a deviation type index; a cooperative tracking mechanism is established based on the multi-index system, hierarchical early warning is triggered by comparing execution type, plan type and prediction type indexes in real time, a supervision order is automatically generated and tracked to a deviation closed loop, and full-process management and control are achieved; and finally, a plan decomposition rule and an early warning threshold are optimized through multi-dimensional analysis, and a refined management and control suggestion is output. According to the method, the precision, efficiency and decision support capability of planned electric quantity management and control can be remarkably improved, and the method is suitable for multi-level (group, company and station) electric quantity management and control scenes of a large-scale electric power group.

The invention belongs to the technical field of power system optimization operation, and discloses a power distribution system total factor resource collaborative optimization operation method and system, and the method comprises the steps: reflecting a data flow closed loop through a five-layer structure: a resource layer (data source), a sensing layer (data collection), an AI layer (intelligent processing), an execution layer (control feedback), and an evaluation layer (effect verification); the modeling problem of dynamic change of a real-time topological relation of massive distributed resources is solved, and meanwhile, through spatial scale collaboration of micro-grid autonomous optimization and aggregator global scheduling, strategy conflicts of different time scale optimization targets are eliminated, and through value function decomposition, the problem that global sub-optimization is caused by local optimization is solved; according to the method, a source load active power group prediction system considering the source load time sequence and the spatial distribution rule and a resource optimization strategy considering the real-time performance, the accuracy and the high efficiency of the system are considered at the same time, and a theoretical basis and a calculation framework are provided for cooperative operation of total element resources of the power distribution system.

This invention provides a method, apparatus, electronic device, and readable medium for generating unified power format files, relating to the field of chip technology. The method involves obtaining a target description file for a voltage domain design diagram. The voltage domain design diagram includes at least two module levels, each module level including at least one module, each module corresponding to at least one voltage domain, and each voltage domain corresponding to at least one power group. Based on the target description file, directed trees representing the hierarchical relationships between modules and the correspondence between modules and voltage domains, directed trees representing the correspondence between voltage domains and power groups, and directed trees representing the composition of power groups are created. Based on the directed trees of modules, voltage domains, and power groups, unified power format files corresponding to each module are generated. This reduces implementation costs and improves the efficiency of generating unified power format files.

1. The name of the design product: paddle propeller (1200). 2. The use of the design product: paddle propeller use: integrated power group provides forward power for ships or water products. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

This invention provides a decoupled control system and method for independent drive of multiple range extenders in a multi-rotor unmanned aerial vehicle (UAV). The system includes: decoupling the motor throttle commands of the flight controller into independent power commands for each range extender's power generation unit by introducing a power management coordinator; separating the flight control loop from the power generation control loop, thus achieving hierarchical decoupling of flight control and power generation control. Simultaneously, by independently optimizing the design of the flight controller and the range extender's power generation unit, this invention can directly utilize commercially available low-power range extender modules, reducing the development risk and cost of high-power customized range extenders and simplifying flight control logic; furthermore, by limiting load disturbances within each power group and preventing global diffusion, flight stability can be improved. In addition, by grouping the rotors of the multi-rotor UAV, with each power group independently powered by a dedicated range extender's power generation unit and electrically isolated between power groups, this invention can alleviate the current sharing problem of parallel range extenders.

The invention provides an autonomous current-sharing DC / AC inverter topology circuit and a device provided with the same, in the DC / AC inverter topology circuit, a power module is designed into a modular structure in which the direct current side is connected in parallel and the alternating current side is output through an independent coupling inductor, and the same driving waveform with a fixed phase difference is further applied, so that the direct current side and the alternating current side are connected in parallel; according to the principle of independent control, phase staggering and coupling inductor sharing of a power group and path switching by controlling alternate conduction and disconnection of complementary switch power tubes, the autonomous current sharing effect between power modules is achieved, and dependence on parameter consistency of the power tubes is eliminated; meanwhile, through the physical separation layout design of the power groups, the heat dissipation distribution of the system is improved, and the limitation of centralized layout is broken through; besides, equivalent switching frequency is improved by means of staggered driving, the number of coupling inductors is reduced by optimizing configuration of the coupling inductors, the overall size is reduced, loss is reduced, and therefore the overall efficiency and capacity expansion flexibility are optimized while the power density of the system is improved.

The invention provides a computing power opening method, computing power opening equipment, a computing power opening device and a storage medium, and the method comprises the steps: sending computing power opening information to a second functional entity based on computing power which can be opened by a computing power node or a computing power group; the computing power open information comprises one or more of the following items: computing power open indication of the computing power node or the computing power group; the computing power node or the computing power group can open computing power information; the computing power node or the computing power group can open computing service information; the computing power open range of the computing power node or the computing power group; a group identifier of the computing power group; the position of a master control node of the computing power group is identified; member nodes capable of opening computing power in the computing power group are identified; the capability information of the member nodes capable of opening the computing capability in the computing power group is obtained.

The multifunctional dust collector comprises a machine body, the machine body is provided with a dust collection power set, the side wall of the machine body is provided with a three-way dust collection channel, the lower end of the machine body is detachably connected with a swingable dust collection head, the dust collection head communicates with a side channel of the dust collection channel, and the outer side of the machine body is provided with a storage part; the dust collection box is detachably connected with the machine body, the dust collection box is connected with the dust collection power set, a dust collection opening is formed in the side wall of the dust collection box, the dust collection opening is communicated with an inner channel of the dust collection channel, and a filter cartridge is arranged in the dust collection box; the dust collection hose is detachably connected with the storage part, and the dust collection hose is detachably connected with the outer channel of the dust collection channel. The dust collector has the beneficial effects that the dust collection head and the detachably-mounted dust collection hose arranged in the dust collector can collect dust on the ground and gaps, the working scene of the dust collector is improved, and the use effect is good.

The utility model discloses a kind of multi-position synchronous filling stuffing devices, including substrate, valve body, valve core, driving component, piston power group, material nozzle component and bunker component, fixed station and power station are provided on substrate, valve body is fixedly arranged on fixed station, rotating through-hole and multiple stuffing through-hole groups are opened in valve body, multiple stuffing through-hole groups are arranged along the length direction of valve body and are opened in the pipe wall of valve body, and with rotating through-hole corresponding communication, valve core is correspondingly arranged in rotating through-hole, multiple three-way hole channels corresponding with stuffing through-hole group are opened in valve core, driving component is connected with valve core, piston power group is arranged on power station, and with stuffing through-hole group corresponding communication, material nozzle component and stuffing through-hole group corresponding communication, bunker component and stuffing through-hole group corresponding communication, the utility model realizes the function of multiple groups of material filling or stuffing simultaneously, reduces equipment setup procurement cost and labor cost, with the advantages of simple operation, high efficiency.

The utility model discloses a demoulding mechanism for an external thread structure of a spout, which is arranged on the side of a fixed mould and comprises a driving component and a demoulding component, the driving component provides power for the demoulding component and comprises a power group, a transmission group and a limit group, the power group is fixedly mounted on the fixed mould, the output end of the power group is connected with the transmission group, and the limit group is connected with the transmission group. The transmission group is in transmission connection to the demolding assembly; the limiting group is used for action limiting of the transmission group; the demolding assembly comprises an outer sleeve, an inner core rod and a guide set, the outer sleeve is coaxially arranged on the outer side of the inner core rod in a sleeving mode, a forming head is detachably installed at the lower end of the inner core rod, a spout forming cavity is defined by the forming head and the lower end of the outer sleeve, and the guide set is arranged on the outer side of the outer sleeve in a sleeving mode and used for guiding and driving the outer sleeve to move up and down. The injection mold is simple in structure, ingenious in design and small in occupied space, the overall size of the mold is reduced, the manufacturing cost is reduced, one-time injection molding and demolding of the plastic threaded pipe fitting can be achieved, and the working efficiency is improved.

The application discloses a kind of based on endurance mileage and weight micro flight platform power selection method, belong to micro flight platform power technical field, including the following contents: obtain the basic parameters of micro flight platform;Obtain the environmental parameter data of flight platform;Determine the total weight of micro flight platform;Establish the power calculation formula required for flight, determine demand power;According to the power form to be selected, determine the corresponding energy storage energy calculation formula;According to the law of conservation of energy, establish the relationship formula of demand power, energy storage energy and endurance time, solve endurance time;Draw endurance time-power weight correlation curve diagram under each power form;According to the intersection point of correlation curve diagram, divide the advantage endurance interval of different power forms, combined with target endurance mileage demand and power group weight, match and select the optimal power form.The application uses the above method, realizes the scientific quantization matching of power system, avoids power surplus or power shortage and other problems.

The application introduces a kind of electromechanical integration intelligent lock with multiple safety opening and closing lock, including lock shell, luminous main lock tongue assembly, right-angle reversing clutch power group, mechanical linkage assembly, clutch assembly, semi-automatic opening lock power group and magnetic retention lock; the luminous main lock tongue assembly is transmission connection with the right-angle reversing clutch power group, the mechanical linkage assembly is transmission connection with the clutch assembly, the clutch assembly is transmission connection with the semi-automatic opening lock power group; the luminous main lock tongue assembly, right-angle reversing clutch power group, semi-automatic opening lock power group and magnetic retention lock are electrically connected with the control mainboard of the lock; the application realizes full intelligent automatic opening and closing lock and completely mechanical operation opening and closing lock by setting right-angle reversing clutch power group, cooperates with semi-automatic opening lock power group, realizes multiple safety opening and closing lock; the structure cooperation degree between each component is high, responds quickly, guarantees the smooth operation of intelligent lock under various conditions, improves the safety of lock whole.

The utility model relates to the technical field of resistor disc processing, in particular to automatic resistor disc glaze rolling equipment which comprises a rack, a glaze liquid box, a feeding frame, a glazing roller set and a driving mechanism, the glaze liquid box and the feeding frame are both installed in the rack, the glazing roller set is rotatably installed in the glaze liquid box, the glazing roller set is horizontally arranged, and the top of the glazing roller set is higher than an upper opening of the glaze liquid box; the driving mechanism is installed on the side portion of the glaze liquid box and drives the glazing roller set to rotate, a plurality of inserting grooves arranged at intervals are formed in the top of the feeding frame, the inserting grooves are used for allowing the bottoms of resistor pieces to be vertically connected in an inserted mode, and a horizontal power set, a lifting power set, a rotating power set and an adsorption type fixator are arranged at the top of the rack. According to the automatic resistor disc glaze rolling equipment, the operation that resistor discs are taken from the feeding frame to the glazing roller set, the resistor discs subjected to glaze rolling treatment are taken out of the glazing roller set and the like is automatically achieved, and efficient production of the resistor discs is facilitated.

The utility model relates to a single-pole common-weft cam power box and a high-speed rapier loom, a heald raising power group is arranged in a box body, the heald raising power group comprises a heald raising input shaft and a mounting shaft, the two ends of the heald raising input shaft are rotatably connected on the box body through bearings, the two ends of the mounting shaft are fixed with the box body, and the mounting shaft is fixed on the box body. Two heald-raising and weft-sharing cam groups are fixed on the heald-raising input shaft, each heald-raising and weft-sharing cam group comprises a cam I and a cam II, two heald-raising swing arms in one-to-one correspondence with the heald-raising and weft-sharing cam groups are connected onto the mounting shaft through bearings, and a roller I matched with the cam I and a roller II matched with the cam II are arranged on the heald-raising swing arms; the upper end of the heald raising swing arm is connected with a heald raising rod, and the heald raising rod is used for being connected with a heald frame; the rapier loom has the advantages that the mode that the single-side heald raising swing arm is matched with the common-weft cam is adopted, the heald raising swing arm can swing back and forth for three times when the heald raising swing arm rotates by one circle through the design of the cam, compared with an existing rapier loom, power can be improved by three times, and production efficiency is greatly improved.

The application discloses a property energy consumption anomaly monitoring method and system based on big data analysis, and relates to the technical field of energy consumption anomaly management. The property energy consumption anomaly monitoring method based on big data analysis comprises the following steps: in a specified energy consumption monitoring period, first, a specified property service area energy consumption power group is acquired, and energy consumption anomalies are screened by comparing the energy consumption power group with an energy consumption prediction interval; then, according to the comparison result, repeated inspection is performed on the energy consumption anomaly data of the abnormal energy consumption period, transient normal fluctuations caused by normal working condition switching of equipment or sudden changes in external environment are excluded, and the repeated inspection comprises peak value anomaly detection and rechecking verification; finally, after the repeated inspection is completed, correlation verification is performed in combination with an abnormal energy consumption feature set. The method provides a scientific basis for property energy consumption management, helps to accurately locate energy consumption anomaly points, effectively solves the problem of misjudgment of anomaly recognition caused by transient changes in the prior art, and realizes energy saving, consumption reduction and cost optimization.

The application relates to the technical field of stripping liquid production equipment, in particular to a multi-stage filtering device for stripping liquid production, which comprises a filtering device, a descaling mechanism is arranged in the filtering device, the descaling mechanism is composed of a power group, a transmission group and a cleaning assembly, the cleaning assembly is installed in the filtering device and is in transmission connection between the power group and the transmission group, a water supply structure matched with the cleaning assembly is fixedly installed on both sides of the filtering device, compared with the prior art, the water supply structure and the descaling mechanism are matched with each other, the bottom and the inner wall of the filtering device can be subjected to descaling treatment under the action of the cleaning assembly, the phenomenon that the staff cannot conveniently process due to the complication of the internal structure of the equipment is avoided, the dead angle of the filtering device can be better cleaned, and the working strength of the staff is reduced to a certain extent.

The invention relates to a distributed photovoltaic cooperative control method and system based on an external consistency protocol, and the method comprises the steps: constructing a distributed photovoltaic cluster multi-agent system model of an industrial park power distribution network, dividing a distributed photovoltaic power supply into a voltage group and a power group, and selecting a leading node and a following node; selecting a capacity utilization rate and a power factor as consistency state variables, designing a consistency protocol based on external input, and ensuring state synchronization among the distributed power supplies; according to a distributed photovoltaic cluster multi-agent system model and a consistency protocol based on external input, a consistency cooperative control algorithm is designed, and cooperative control of node voltage stability and common coupling point power stability is realized through a proportional controller. By introducing external reference input and a consistency protocol, the response speed and the anti-interference capability of the system are remarkably improved, and the problems that a traditional centralized control method is low in response speed and low in reliability are solved.

A power supply control system for a multi-phase power converter is provided. The power supply control system classifies each of a plurality of power converters into one of a plurality of power groups. The power supply control system selects one of the plurality of power converters classified in each of the plurality of power groups as a master power converter, and selects others of the plurality of power converters in each of the plurality of power groups as slave power converters. The power supply control system, according to data of the master power converter, outputs an on-time controlling signal for controlling an on-time of a high-side switch and an on-time of a low-side switch of each of the plurality of power converters, so as to control the plurality of power converters for supplying appropriate power to electronic devices.

The present application relates to a kind of offshore wind turbine load scheduling method considering hydrogen production cost, comprising the following steps: collecting the operation data of offshore wind farm and hydrogen production device and pre-processing data;Based on the data after pre-processing, construct multi-objective optimization model considering wind power utilization efficiency, load balancing and hydrogen production cost to calculate expected average power;The power of each wind turbine is compared with the expected average power, and the wind turbine is divided into high-power group and low-power group;Take the time power sequence of wind turbine in high-power group and the time power sequence of wind turbine in low-power group to calculate similarity one by one, and match according to similarity;In each matching group, set target average power and soft threshold range, based on target average power and soft threshold range, wind turbine load is scheduled.

The invention discloses a GPU computing power grouping scheduling method and system based on large model pre-training, and relates to the technical field of GPU resource management, and the method comprises the steps: obtaining multi-source heterogeneous data pre-trained by a large model, preprocessing the multi-source heterogeneous data, and extracting multi-source heterogeneous feature data; performing exception analysis on the multi-source heterogeneous feature data by using an exception analysis algorithm, and identifying exceptional computing power nodes influencing the GPU cluster; and establishing a packet scheduling model based on the abnormal computing power node, dynamically adjusting the member composition and task mapping of the GPU computing power packet by using the packet scheduling model, and optimizing the global resource scheduling of the GPU cluster. According to the method, the overall resource utilization rate of the GPU cluster is improved by accurately identifying the abnormal computing power nodes and establishing the packet scheduling model, and the task execution delay is effectively reduced and the system throughput is improved based on a dynamically adjusted packet member composition and task mapping mechanism.

The invention relates to the technical field of electric arc furnace power supply control, in particular to a direct current electric arc furnace power supply redundancy switching method and control system.The method comprises the steps that if a system controller A has switching faults and a system controller B has no faults, the system controller A sends a switching request to the system controller B; a switching completion signal is sent to the system controller A; and after receiving the switching completion signal, the system controller A is switched to a standby state system controller to complete switching. The system has the advantages that full-link redundant backup from top-layer control to bottom-layer execution is achieved by constructing a three-level redundant architecture of the system controller, the power group controller and the power unit main control board, when any main controller breaks down, the standby controller can take over the control right rapidly and seamlessly according to a set process, and the reliability of the system is improved. The risk that the whole system is paralyzed due to a single-point fault is thoroughly eliminated, and the continuity and stability of power supply of the direct-current electric arc furnace are guaranteed.