235 results about "One stage" patented technology

An RVV1.0 extension-based FFT butterfly operation method for complex sequences includes the following steps: S1, in one stage of an FFT butterfly operation, acquiring data to be processed; S2, based on a standard vector structure of RVV1.0, defining an extended instruction I in a reserved instruction code space of an RISC-V architecture to obtain first data of a multiply-add operation; S3, defining an extended instruction II to obtain second data of the multiply-add operation, and adding the second data and the first data to obtain a multiply-add operation result; S4, defining an extended instruction III to obtain a multiply-subtract operation result; S5, storing a result in a vector register as an operation result of the stage; and S6, if there is a next stage, performing the next stage, and returning to S1; or, if there is not a next stage, ending the FFT butterfly operation.

The utility model relates to the technical field of mushroom sorting, and discloses a mushroom sorting device which comprises a long supporting frame, a short supporting frame is arranged on one side of the long supporting frame, and a top plate is arranged on the upper side of the long supporting frame. The screening structure is arranged in the long supporting frame; the screening structure comprises a screening plate movably connected into the long supporting frame, a baffle fixed to the side face of the screening plate, a gate plate arranged on one side of the baffle, an air cylinder telescopic rod fixed to the gate plate, a feeding box arranged on the lower side of the screening plate, supporting legs fixed to the lower side of the feeding box and screening holes formed in the screening plate. Mushroom located on the sieve plate is screened in a classified mode by forming the sieve holes with different hole diameters, after screening of one stage is completed, the gate plate can be opened to enter the next stage to be screened, and therefore multi-stage screening is conducted on the mushroom so as to deal with screening of the mushroom of different sizes, the mushroom which is not screened cannot be directly pushed to the next screening area through transverse screening, and screening efficiency is greatly improved. And the screening correctness can be ensured.

The present invention relates to the technical field of robotic devices. Disclosed are a composite deceleration structure, a joint power mechanism and a robot. In the joint power mechanism of the composite deceleration structure provided in the present invention, a multi-stage deceleration structure formed by a first set of deceleration unit, a second set of deceleration unit, etc. is used, such that a large deceleration ratio can be achieved in a small structure space. In one stage of deceleration structure, a double-sided ring gear is used for meshing transmission, and the double-sided ring gear having tooth faces on both inner and outer sides is in eccentric motion on an inner ring gear to drive an outer gear ring to output power, such that the joint power mechanism has a simple and compact structure, and can achieve a large deceleration ratio with fewer parts as compared with a decelerator solution of other structures such as a planetary decelerator; and during the mutual meshing transmission process, this stage of deceleration structure is always in tooth face contact, with a large contact area and a large number of teeth that are in contact, such that the joint power mechanism is high in overload resistance, and is not prone to damage or failure due to load impact. Therefore, the mechanism has a simple and compact structure, and is not prone to damage or failure.

The invention relates to the technical field of multi-robot control systems, in particular to a two-stage evolutionary multi-robot task allocation method and electronic equipment in nuclear accident rescue, and the method comprises the following steps: S1, initializing multi-robot and task information; s2, establishing an optimization problem model; s3, multi-robot task allocation; through the two-stage evolutionary algorithm, working time balance distribution between the robots can be comprehensively considered, the maximum radiation accumulation between all the robots and the overall task waiting cost are minimized, and the tasks are distributed to the robots according to the criterion of the minimum comprehensive cost; according to the two-stage evolutionary algorithm used in the method, the population can be quickly converged to the Pareto frontier in the first stage, and the diversity of the solution set is improved in the later stage, so that the algorithm operation time is shortened, and the search efficiency of the globally optimal solution is improved.

Multi-stage cascaded power divider having a single input port and a plurality of output ports, comprising one stage including at least one 3-way Wilkinson power divider and at least one stage consisting of at least one 2-way Wilkinson power divider, wherein the stage consisting of at least one 2-way Wilkinson power divider is connected to the single input port and the stage including the at least one 3-way Wilkinson power divider is connected to the plurality of output ports.

The invention relates to an upward horizontal layered filling mining method for a gently inclined-inclined thick ore body, which belongs to the field of underground mining methods, and comprises the following steps of: arranging a plurality of sections and a plurality of panels in one stage, arranging a plurality of chambers in the panels, and arranging a plurality of ore beds in each chamber; at the stage, a stage haulage roadway, a segmented stage connection roadway and a segmented haulage roadway are formed in the strike direction of the ore body, and a slope ramp is excavated upwards from the segmented stage connection roadway; the stage haulage roadway is communicated with the draw shaft connection roadway through a draw shaft; tunneling a stope connection roadway, a layered transportation roadway, a cutting roadway, a room air return roadway, a ventilation connection roadway and a pedestrian ventilation filling courtyard in a layered stoping mode from bottom to top to form a stage air return connection roadway of the previous stage; and stopping and filling the whole chamber. The technical problems that the mining preparation workload is large, mining safety and economical efficiency are difficult to consider, and the mining cost is high in a traditional mining method are solved.

The invention relates to the technical field of control valves for fluid pipelines, in particular to a corrosion-resistant long-acting rotary closing type check valve with a self-checking function, which comprises a valve body, and at least one stage of check valve assembly is arranged in the valve body; the check valve assembly comprises a first support and a second support, a sliding rod is movably connected to the middle of the first support, a valve element is fixedly connected to the sliding rod, a valve port is formed in the valve body, the valve element can close the valve port in a one-way mode, the sliding rod is sleeved with a spring, and the spring deforms when the valve element is far away from the valve port. The check valve assembly further comprises a guide mechanism, the guide mechanism is arranged in the valve body, and the guide mechanism can enable the sliding rod to rotate while sliding relative to the first support. The invention is applied to the field of fluid pipelines for industrial production, aviation ships and urban construction, and can improve the effects of preventing reverse inrush flow and preventing leakage.

The present application discloses an encoding method, a decoding method, and an apparatus. The encoding method comprises: on the basis of a first MCS, a first SNR, a first modulation order, or a first encoding rate, determining a bit rate of a component code corresponding to at least one stage in multi-stage encoding of information bits; on the basis of the bit rates of the component codes corresponding to respective stages in the multi-stage encoding, performing the multi-stage encoding on the information bits to obtain encoded bits; and outputting the encoded bits. Because the first MCS, the first SNR, the first modulation order, or the first encoding rate is a parameter related to a channel condition, in embodiments of the present application, the bit rates of the respective stages in the multi-stage encoding are dynamically configured in consideration of the channel condition, thereby reducing decoding complexity of the multi-stage encoding and also improving encoding / decoding performance of the multi-stage encoding.

The utility model discloses a portable oil tank section sampler, which belongs to the technical field of oil tank measuring equipment and comprises a sampler body, a telescopic mechanism and a sealing mechanism, the sampler body is of a hollow pipe structure, the telescopic mechanism is connected with the sampler body and used for driving the sampler body to do telescopic motion, and the sealing mechanism is connected with the sampler body and used for driving the sampler body to do telescopic motion. The sealing device is used for sealing the sampler body after sampling. The sampler body can dive into a deeper oil well liquid storage tank through the telescopic structure, oil liquid in an oil tank is collected through opening and closing of the sealing mechanism, the structure is simple, operation is rapid, the liquid production capacity and the oil production capacity of one stage can be accurately measured, and the sampling efficiency is improved. The problems of sampling difficulty caused by a narrow sampling port of the liquid storage tank, large error of conventional instantaneous sampling test data and potential safety hazards in oil measurement by a steel ruler can be effectively solved, and the device is simple to operate and convenient to carry.

The present invention provides a two-stage cylinder control method. When extending, for the first-stage stroke control: the second locking assembly locks the movable rod of the second moving assembly, gas is introduced into the rear end of the cylinder body to push the piston rod of the first moving assembly to extend until the rear end of the piston rod migrates to the front end of the movable rod; for the second-stage stroke control: the restriction of the second locking assembly on the movable rod is released, and the gas introduced into the cylinder body pushes the piston rod and drives the movable rod to extend further forward; when contracting, the gas at the rear end of the cylinder body is released, gas is introduced into the front end of the cylinder body, the gas pushes the piston rod and drives the movable rod to move backward. When the movable rod is locked by the second locking assembly, the gas continues to push the piston rod to move until it contracts to the initial state. When controlling the extension of the piston rod, the movable rod is locked first, so that the piston rod can only extend for one stage. When full extension is required, it is unlocked first to achieve two-stage control.

A modular active valve system having a reduced footprint for use in smaller shock absorber platforms is disclosed. The modular active valve system includes a multi-stage valve having a first stage and at least a second stage, wherein at least the first stage includes a semi-active valve for electronic damping control.

A technique facilitates long-term operation of a submersible pump which may be used in an electric submersible pumping system. According to an embodiment, the submersible pump comprises at least one stage, e.g. a plurality of stages. Each stage uses an impeller which may be rotated within a diffuser to establish a fluid flow through the pump. Additionally, each stage comprises an erosion control system positioned between the impeller and the diffuser to reduce erosion and / or the effects of erosion so as to extend the life of the submersible pump.

The utility model relates to a constant force pushing device which comprises a balance weight piece and multiple stages of hydraulic or pneumatic systems which are sequentially arranged, the multiple stages of hydraulic or pneumatic systems at least comprise a bearing hydraulic or pneumatic system and a constant force output hydraulic or pneumatic system, and the second end of a piston rod of the bearing hydraulic or pneumatic system is connected with the balance weight piece. Piston rods of the bearing hydraulic or pneumatic systems extend in the gravity direction of the balance weight piece, and a cylinder body of one stage of hydraulic or pneumatic system is communicated with a cylinder body of the other adjacent stage of hydraulic or pneumatic system through a fluid medium pipeline. Or the second end of the piston rod of one stage of hydraulic or pneumatic system is connected with the second end of the piston rod of the other adjacent stage of hydraulic or pneumatic system. And the second end of the piston rod of the constant-force output hydraulic or pneumatic system outputs constant force.

To enable online programming learning while referring to appropriate information.SOLUTION: In a programming learning system including a first phase for selecting a question and a second phase for answering the selected question, presenting the answer and receiving a scoring result, a screen composed of one or more screen areas is displayed, each of the screen areas corresponds to each of the first stage to the N-th (an integer of two or more) stage, each stage has one or more small screens, the first phase is a phase for gradually selecting a question from the first stage to the M-th (an integer of one or more and less than N) stage, the screen area can display one screen belonging to a corresponding stage in an order determined in advance, the second phase is a phase for gradually generating a construct from the (M+1)-th stage to the N-th stage, the screen area can display a plurality of screens belonging to a corresponding stage, the screens that can be displayed are determined in advance according to a stage, and whether to display a screen that can be displayed is selectable.SELECTED DRAWING: Figure 7

A step-type inertial focusing microfluidic chip includes an arc-shaped channel having multiple stages connected in series. At least one stage of the arc-shaped channel is separated into a plurality of sub-channels distributed along a radial direction, one end of the multistage arc-shaped channel is provided with at least one fluid inlet and an inlet channel connecting the end of to the fluid inlet. The other end of the multistage arc-shaped channel is provided with a plurality of fluid outlets and a plurality of outlet channels connecting the other end to the fluid outlets. A radius of curvature of the arc-shaped channel is 2 to 50 mm. A cross-sectional width is 50-5000 microns, the cross-sectional height is 20-2000 microns, and a thickness of a sub-channel separation wall in the arc-shaped channel having the sub-channels is 10 to 1000 microns.

This invention provides a method for controlling the weight of a solid tire carcass and its application, relating to the field of tire carcass technology. The method includes the following steps: (a) weighing the base rubber after molding and comparing it to the standard weight of the base rubber to obtain a weight difference value; (b) correcting the amount of intermediate rubber based on the weight difference value from step (a), weighing the tire carcass after molding the intermediate rubber, and comparing it to the standard weight of the intermediate rubber tire carcass to obtain a weight difference value; (c) correcting the amount of tread rubber used in one stage based on the weight difference value from step (b), weighing the tire carcass after molding the first stage of tread rubber, and comparing it to the standard weight of the first stage of tread rubber tire carcass to obtain a weight difference value; (d) correcting the amount of tread rubber used in the second stage based on the weight difference value from step (c), and molding the tread rubber in two stages to obtain the finished tire carcass. This invention, through segmented weighing and multi-stage correction, gradually offsets the weight errors in each molding stage, achieving a tire carcass weight error of ±0.1 kg, far superior to existing weight control precision.

The invention discloses a scrolling control method for a scrollable display area, which comprises the following steps of: when a mouse roller enters a rolling stopping state or an inertial rolling state from a passive rolling state driven by external force; a scrollable display area of a terminal connected with the mouse enters a simulated second rolling state which is not associated with a real-time physical rolling state of the mouse roller from a first rolling state in which the scrollable display area and the mouse roller synchronously roll, wherein at least one stage of the simulated second rolling state is a decelerating rolling process. According to the invention, the scrollable display area has the first rolling state associated with the real-time physical rolling state of the mouse roller and the simulated second rolling state irrelevant to the real-time physical rolling state of the mouse roller, and the second rolling state is similar to that the mouse roller is gradually decelerated to stop under the inertia effect and accords with the physical law; the user operation efficiency can be improved, and the user experience can be improved.

To provide a game machine capable of executing a highly amusing performance.SOLUTION: Performance control means executes a stage change performance that can change in steps during an effective period when input to input means is effective, and executes first performance control changing a stage change performance under execution to a stage equal to or less than a predetermined upper-limit stage according to input to the input means, second performance control executing a predetermined success performance according to a change in a stage change performance up to the upper-limit stage, and third performance control executing an expectation performance for allowing execution of a success performance to be expected during an effective period when input to the input means is effective.SELECTED DRAWING: Figure 67

The invention relates to a facility for liquefying a fluid such as hydrogen, which facility comprises a circuit (3) of fluid to be cooled, which circuit has a downstream end (23) intended to be connected to a member (4) for collecting the liquefied fluid, an assembly of one or more heat exchangers (5) exchanging heat with the circuit (3) of fluid to be cooled, at least one refrigerator (2) exchanging heat with at least part of the assembly of one or more heat exchangers (5), the refrigerator having a cycle circuit (12) comprising: a mechanism (20) for compressing the cycle gas, at least one member (21, 5) for cooling the cycle gas, a mechanism (22) for expanding the cycle gas and at least one member (5) for reheating the expanded cycle gas, the mechanism for compressing the cycle gas comprising at least two compression stages (20) arranged in series, the expansion mechanism comprising at least two expansion turbines (22), the circuit (3) of fluid to be cooled having, at its upstream end, at least one stage (13) for compressing the supply gas, one of the turbines (22) being mechanically coupled (122) to the stage (13) for compressing the supply gas so as to supply the mechanical work produced during the expansion.

According to various embodiments, an electronic device for performing data mapping by performing an operation of a CNN model with low power comprises: a communication interface; a processor; and a memory including a dynamic random access memory (DRAM) in which multiple full multipliers for, when executed by the processor, causing the processor to perform multi-operations enabling simultaneously performing multiple operations, while performing at least one operation related to the CNN model, and a control bit and a 2:1 selector for deactivating a second multiplier that is not required for an operation other than multiple first multipliers required for the operation are stored, wherein the at least one operation comprises the operations of: in a case where at least one input data is acquired from an external electronic device through the communication interface, when a kernel size of the at least one input data is determined to have a value greater than or equal to a preset threshold size value, automatically dividing the kernel size of the at least one input data according to a set size; when the kernel size of the at least one input data has a value smaller than or equal to the threshold size value or is automatically divided, inputting the at least one input data to at least one stage pre-stored in the memory; determining the number of the first multipliers required for a multiplication-accumulation (MAC) operation of the at least one input data in the stage, and when the number of the first multipliers is determined to be equal to or less than the number of the full multipliers, driving the control bit and the 2:1 selector to deactivate the second multiplier; and receiving a global buffer including multiple weight values from each of multiple sub-processors through the communication interface, and inputting and mapping the at least one input data to the first multipliers.

To provide a force sensor capable of changing a spring constant.SOLUTION: There is provided a force sensor that has a distorted body and a stage and a variable spring constant. The distorted body has a fixed section, a spring section connected to the fixed body, and a beam connected to the spring section, the beam extends horizontally from the spring section, and one end of the beam has a magnet and the end in the opposite side that does not have the magnet in the beam is a soft actuator. The stage has at least one stage side magnet, and hence the force sensor has a spring constant obtained by adding up the spring constant of the distorted body and a spring constant because of restoration force of the magnet between the stage side magnet and the magnet of the beam. The stage can adjust the distance between the stage side magnet and the magnet of the beam, thus changing the spring constant because of the restoration force of the magnet with the magnet of the beam.SELECTED DRAWING: Figure 5

A compressor section of a gas turbine engine includes an upstream portion and a downstream portion. The upstream portion includes at least one stage of stator vanes and at least one stage of blades configured to rotate about an axial centerline of the compressor section. The at least one stage of stator vanes and the at least one stage of blades are in an alternating arrangement along an axial direction of the gas turbine engine. The downstream portion is disposed immediately adjacent to and downstream along the axial direction from the upstream portion. The downstream portion includes a first set of rotating blade rows and a second set of rotating blade rows. The first and second sets of rotating blade rows are in an alternating arrangement along the axial direction of the gas turbine engine. The first and second sets of rotating blade rows are in a counter-rotating arrangement.

The embodiment of the present application discloses a drying method for a clothing processing device, an electronic device, and a clothing processing device, which belong to the field of equipment control. The drying method includes controlling the start-up of the first fan and obtaining the first power of the first fan in at least one stage before the drying temperature rise stage, the drying temperature rise stage, and the drying dehumidification stage; and controlling the working state of the second fan according to the difference between the first power and the preset first power threshold to change the airflow condition in the drying duct. The embodiment of the present application has a technical effect of executing a cleaning strategy on the first filter, so that dander and / or water film can be cleaned, so that the subsequent drying process is not easily affected by dander and water film, the drying time is controlled, and the drying efficiency is guaranteed.

A stage of a downhole completion system includes a swivel sub 142 with a shaft extending therefrom in a first direction, an inner tube 55 disposed partially within the swivel sub and extending from th

A device (1) for calibrating a spall propagation model (12a) of a bearing (3) includes a processing means (8) for determining a condition indicator from measurements of the bearing (3). A determining means (9) determines a first calibrating value (CV1) representative of the appearance of a spall in a stationary ring (4) or rotating ring (5) of the bearing (3) after N1 number of revolutions of the bearing and a second calibrating value (CV2) representative of the evolution of the spall in the stationary ring (4) or rotating ring (5) after N2 number of revolutions of the bearing from the condition indicator. N2 is greater than N1. Identifying means (10) identifies at least one stage of propagation of the spall from the two calibrating values (CV1, CV2). A calibrating means (11) calibrates the spall propagation model (12a) from the two calibrating values (CV1, CV2).

The invention relates to a one-way valve type sealing piece and a straw cup, the one-way valve type sealing piece comprises a body, and the body is provided with a mounting part formed by folding and compressing a protruding part; the protruding part is of a hollow shell wall structure with the top closed and is of an annular body with at least one stage, the diameter of the annular body is gradually reduced from bottom to top, and a water outlet hole is formed in a step of the annular body. The valve part is used for opening or closing the water outlet hole, and the valve part protrudes out of the top of the annular body and is provided with a valve plate with an expanded outer diameter; after the valve part and the protruding part are sequentially and downwards folded and compressed through the deformable folding marks, an installation part used for installing the suction pipe is formed, the suction pipe and the water outlet hole are communicated, a one-way liquid outlet channel is formed, and opening and closing of the channel are controlled by the valve plate so that sealing of the suction pipe can be achieved.

The invention discloses a stepped gradually-changing milk lining which comprises a sleeve integrally formed in an extending mode in the X direction of a longitudinal central axis, and a working cavity of the sleeve is used for containing animal nipples. The device is characterized in that a working cavity of the sleeve is divided into at least two stages of conical cavities step by step from top to bottom in the direction of the longitudinal central axis X, each stage of conical cavity is gradually narrowed from top to bottom, the taper angle of each stage of conical cavity is gradually reduced from top to bottom, and the surface of an animal nipple is attached to the inner wall of at least one stage of conical cavity in a sealed mode; the nipples with different diameter sections can be tightly attached to at least one stage of conical section through the taper decreasing design, the air leakage and blow-by risks are eliminated, the sealing performance is improved, the milking efficiency is improved, and breast health is improved.

The utility model discloses a parallel framework variable-speed electric drive assembly. A power output sleeve and a middle transmission sleeve which can rotate relative to a main shaft, and a power connecting sleeve and a sliding shifting fork sleeve which synchronously rotate with the main shaft are sequentially sleeved on the main shaft towards the direction far away from a motor shaft, or an internal spline of the shifting fork sleeve is combined with a high-speed gear external spline; or the shifting fork sleeve combination teeth are combined with the low-speed gear combination teeth. By adopting the variable-speed electric drive assembly with the parallel structure, through ingenious matching of the power output sleeve, the middle transmission sleeve, the power connecting sleeve, the low-speed gear transmission sleeve and the shifting fork sleeve which are almost arranged in parallel, compared with an existing low-cost electric drive system, on the premise that the reduction ratio is guaranteed, at least one stage of speed reduction transmission is omitted, and the transmission efficiency is improved. The transmission efficiency is effectively improved, the overall structure is more compact, and the overall appearance size is reduced, so that the requirement for the installation space is lowered, and the applicability is better.

The utility model relates to a signal source circuit and a conducted emission signal source, and the signal source circuit comprises an oscillation circuit which is used for generating an oscillation signal with a set frequency; the signal processing circuit is used for at least amplifying the signal amplitude of the oscillation signal to obtain a comb-shaped signal; the signal processing circuit comprises a first type of phase inverter and a second type of phase inverter, the input end of the first-class inverter is connected with the output end of the oscillating circuit, and the input end of the second-class inverter is connected with the output end of the first-class inverter. Oscillation signals are subjected to primary amplification through the first-class inverter, and the oscillation signals are subjected to secondary amplification through the second-class amplifier, so that signal amplitude amplification is realized, and meanwhile, the circuit structure is simplified. Moreover, the input end of the second type of inverter is connected with the output end of the first type of inverter, so that the oscillation signal returns to an initial state after two times of phase inversion, and the signal can maintain a stable oscillation state.

To achieve consistent, predictable control behavior for a machine operator when a plurality of hydraulic loads are used simultaneously.SOLUTION: Scaling functions (31, 32, 33, 34, 35) for each load map an input side volumetric flow rate demand to an output side volumetric flow rate demand, and determine scaling coefficients (41, 42, 43, 44, 45) for each load as a ratio between the output side volumetric flow rate demand and the input side volumetric flow rate demand, where the output side volumetric flow rate demand of one stage is used as the input side volumetric flow rate demand of the next stage, and the volumetric flow rate demand is used as the input volumetric flow rate demand of a first stage.SELECTED DRAWING: Figure 2