8972 results about "Power apparatus" patented technology

A device may include a motive power module comprising a motive power device and a magnetic engagement device, coupled to a core module comprising a tether connection, a peripheral module interface, a power management component, and a data acquisition (DAQ) module interface. A device may include a peripheral module coupled to the peripheral module interface, the peripheral module comprising power coupling and communications coupling, and for a selected payload. A device may include a DAQ module coupled to the DAQ module interface, the DAQ module comprising a data acquisition circuit configured to collect, store, and / or transmit data from the selected payload to an external device.

An automotive emergency start power supply with an inflation function includes: an inflation pump, an internal power supply, and a first circuit board. The inflation pump is provided with a first power device, a detection assembly, and a first check valve; the first power device includes a first driving assembly and a first inflation assembly including a first transmission assembly, first cylinder assembly and connecting pipe; the first driving assembly is configured to provide power to the first inflation assembly, and the first inflation assembly is configured to provide first airflow to the first air outlet portion; the detection assembly is configured to detect air pressure information; and the first check valve is disposed in a first accommodating space formed by the first cylinder assembly and the connecting pipe, and is configured to allow the first power device to provide the first airflow to the first air outlet portion.

The invention belongs to the technical field of aviation energy design, and particularly provides an aviation energy power device fault intelligent inquiry system and method based on a knowledge graph. The method comprises the following steps: firstly, showing a complex data structure and a knowledge relationship to a user in a visual and dynamic manner through knowledge extraction, knowledge graph database construction, knowledge graph visualization and other methods, and constructing a knowledge graph basic framework; according to the method, the depth information of the target object can be extracted from the images from different angles, the fault characteristics of the equipment can be intuitively displayed, and the fault state of the equipment can be visually represented by extracting the depth information of the target object from the images from different angles. The evolution of the equipment state can be tracked through the change of the three-dimensional space; a conversion algorithm of the knowledge graph and the Bayesian network is realized through the Bayesian network, and rapid reasoning of fault causes is realized in combination with a Bayesian network reasoning algorithm; and finally, based on an intelligent inquiry system of a large model, a deep learning technology and a large-scale training model are utilized, and previous fault data and professional knowledge of the aviation energy power device are combined to provide intelligent auxiliary diagnosis support.

A device may include a motive power module comprising a motive power device and a magnetic engagement device, coupled to a core module comprising a tether connection, a peripheral module interface, a power management component, and a data acquisition (DAQ) module interface. A device may include a peripheral module coupled to the peripheral module interface, the peripheral module comprising power coupling and communications coupling, and for a selected payload. A device may include a DAQ module coupled to the DAQ module interface, the DAQ module comprising a data acquisition circuit configured to collect, store, and / or transmit data from the selected payload to an external device.

Methods and systems for operating an aircraft power plant including an electric motor configured to propel an aircraft are provided. The methods and systems are used to mitigate a fault associated with the electric motor. The method includes receiving a power request from a power lever of the aircraft and using a controller to control the electric motor according to the power request. After a fault associated with the electric motor has been detected, the method includes receiving a deactivation request from the power lever. After receiving the deactivation request, the electric motor is deactivated independently of the controller.

A method of operation is provided. During this method, a first power system of an aircraft powerplant is operated to provide a first quantity of power and / or torque to drive rotation of a propulsor rotor. A second power system of the aircraft powerplant is tested during the operating of the first power system. The second power system is configured as or otherwise includes an electric machine. The testing of the second power system includes: signaling the second power system to use the electric machine to provide a second quantity of power and / or torque to further drive the rotation of the propulsor rotor; determining an operational parameter of the aircraft powerplant following the signaling; and evaluating operability of the second power system by comparing the operational parameter to a threshold.

The invention relates to an incineration closestool sealing cover structure which comprises a buffering structure, an incineration structure, a carrier and a rotating power device provided with a rotating power shaft. The cache structure comprises a release part and a cache groove provided with a release opening, the release part is hinged to the cache groove and shields the release opening, and the incineration structure comprises an incineration sealing part and an incineration container provided with an incineration container opening; the incineration sealing piece is located between the release piece and the incineration container and directly or indirectly covers an opening of the incineration container completely. A heating device is arranged in the incineration container; the incineration sealing piece is provided with a front end shaft and a rear end shaft; the carrier is provided with a front end shaft sliding groove and a rear end shaft sliding groove. A rear sliding groove height difference exists between the two ends of the rear end shaft sliding groove. According to the device, the incineration sealing part can be kept clean; the sealing performance between the release part and the buffer groove can be ensured; and the assembly difficulty is low.

The invention provides an abnormal sound test bench capable of rapidly switching modes. The abnormal sound test bench comprises a base, a first test unit, a second test unit and a power device arranged between the first test unit and the second test unit. The power device comprises two vibration exciters arranged in the y direction. The first test unit can make a to-be-tested part generate single-degree-of-freedom vibration in x, y and z directions, and the second test unit can make the part generate pitching and side-tipping composite-degree-of-freedom vibration. The first test unit and the second test unit can be respectively driven by the same group of power device, only the tested part needs to be transferred in a short distance during mode conversion, the same group of power device is used in the two test modes, and the test efficiency is greatly improved during the test of the rear half part. The relevant parameters between the tested part and the power device are acquired in the first half part, so that the debugging time between the part and the power device is greatly saved, and the testing efficiency is improved.

The invention belongs to the cross technical field of the fusion graph attention network and the ship resistance field, and discloses a ship resistance intelligent forecasting method and system, and the method comprises the steps: constructing nodes and edges in a graph attention network, and carrying out the preprocessing of data; designing and improving a loss function; a dynamic weight multi-attention mechanism is established, and attention weights are automatically distributed according to different ship type features; applying a training strategy of an Adam and SGD combined optimizer to obtain a graph attention network model; and carrying out ship resistance prediction evaluation through the dynamic weight map attention network model. By introducing the ship resistance intelligent forecasting method based on the dynamic weight map attention network and the physical constraint, the ship resistance intelligent forecasting method has the advantages of simple structure and clear algorithm, is specially designed for forecasting resistance under different ship types and solving the matching problem of propellers and power devices, shows remarkable innovativeness and practical value, and is suitable for popularization and application. Powerful support is provided for optimization design, energy conservation and emission reduction and safe navigation of the ship.

The invention discloses an exoskeleton robot power auxiliary control method based on artificial intelligence, and relates to the technical field of intelligent control. The method comprises the steps that a power device of the exoskeleton robot is determined; acquiring a plurality of indexes for power output of the auxiliary power device; obtaining a first motion scene, and performing parameter learning of an index sequence on the plurality of indexes according to the correlation between the first motion scene and the plurality of indexes to obtain auxiliary learning parameters; the power device controls a power motor to adjust power parameters according to the auxiliary learning parameters. The technical problems that in the prior art, power-assisted control of an exoskeleton robot is not intelligent and accurate enough, power output is difficult to dynamically adjust according to a specific motion scene, energy efficiency is low, and user experience is poor are solved. Accurate adjustment of power parameters of the power device is achieved, and therefore the technical effects of improving energy efficiency and enhancing user experience are achieved.

The invention relates to the technical field of hydrogen energy aviation, and discloses a hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage, and the hydrogen energy aviation fuel storage-supply system and method based on solid hydrogen storage are characterized in that the hydrogen release amount adjusting range of a hydrogen storage material is matched with the hydrogen fuel demand adjusting range of a power device by adjusting the hydrogen release catalytic reaction environment temperature of the solid hydrogen storage material; by adopting the pressure stabilizing device, the problem of flow and pressure fluctuation caused by hysteresis of hydrogen release adjustment is solved, and hydrogen release flow adjustment and engine throttling control can be carried out through the thrust rod.

The invention relates to a variable-depth, variable-position and variable-quantity intelligent fertilizer applicator based on the size of a tree crown, and belongs to the technical field of agricultural and forestry machinery. The machine comprises a power device, a fertilizing device, a spiral ditching device, an intelligent identification device and an intelligent control system which are supported on a rack, wherein the rack is arranged on a walking device. The fertilizer applicator can realize integrated operation of intelligent ditching, fertilizer application and soil and fertilizer stirring in agricultural planting environments such as orchards and the like, and meanwhile, can intelligently find an optimal root zone position and adjust the ditching depth, the fertilizer application position and the fertilizer application amount according to the size of a fruit tree crown and the distance of a tree machine, so that the ditching efficiency and the fertilizer utilization rate are improved.

A hydraulic brake motive apparatus includes a reservoir containing hydraulic fluid. A power transmission unit selectively provides at least one of negative and positive pressure to the hydraulic fluid to generate pressurized hydraulic fluid. A caliper piston includes a piston cavity configured to selectively contain hydraulic fluid and at least a portion of the power transmission unit. The piston cavity is in selective communication with the reservoir via a reservoir passage. A motive housing contains at least a portion of each of the reservoir, the power transmission unit, and the caliper piston therein to maintain a closed-loop system for the hydraulic fluid. The motive housing defines a piston bore. The caliper piston selectively reciprocates longitudinally with respect to the piston bore under influence of pressurized hydraulic fluid from the power transmission unit. The reservoir, power transmission unit, and caliper piston are co-located proximate a corresponding brake pad.

The power plant can have a structure; an output shaft connectable to a load, the output shaft rotatable about an axis relative the structure; a thermal engine secured to the structure, the thermal engine having a thermal engine shaft; an electric motor having a stator and a rotor shaft, the stator secured to the structure; an epicyclic gearing having a sun gear coaxial to a ring gear, a plurality of planet gears meshed between the sun gear and the ring gear, and a carrier coaxial to the sun gear and to the ring gear, the sun gear, carrier, and ring gear being rotatable relative the casing structure, the output shaft and the rotor shaft both coupled to the carrier, and the thermal engine shaft coupled to sun gear and the carrier; and an overrunning clutch operable to prevent the rotation of the ring gear in one angular direction.

The invention relates to the technical field of deep sea power equipment, and discloses a pressure energy reciprocating power device and an action control method thereof.The pressure energy reciprocating power device comprises a sealing piston cylinder, a pressure-resistant pipe and an underwater control part; the sealing piston cylinder comprises a cylinder body and a piston rod arranged in the cylinder body, the piston rod comprises a piston and a push rod, one end of the push rod is connected with the piston, the other end of the push rod penetrates through the cylinder body in a sealing and sliding mode, and the piston divides the cylinder body into a rod cavity and a rodless cavity. The pressure-resistant pipe comprises a main pipeline, a first branch pipeline and a second branch pipeline, one end of the main pipeline is communicated with the rodless cavity, the other end of the main pipeline is communicated with the first branch pipeline and the second branch pipeline, and the first branch pipeline and the second branch pipeline are communicated with the outside and the pressure-resistant storage cylinder respectively; the underwater control piece is arranged on the pressure-resistant pipe and used for controlling the two branch pipelines to be alternately connected and disconnected so as to drive the push rod to stretch out or retract back and forth. Stable power output is obtained through energy conversion, and the device is simple in structure, easy to implement, safe and reliable.

The invention relates to the technical field of electric vehicle power devices and energy management, in particular to an electric vehicle-mounted direct-current two-way charging and discharging control method which comprises the steps that 1, multi-source parameters are collected in real time, and scenes are recognized; step 2, battery stress adaptive modeling: calculating a dynamic stress factor reflecting the ion migration rate in the battery based on the electrolyte temperature gradient value and the single internal resistance change value; determining the maximum allowable current change slope according to the dynamic stress factor and the battery health state; step 3, scene differentiation charging and discharging control; 4, cooperative execution and safety protection: uploading the power plan of the vehicle to a cloud end, receiving a cooperative correction factor, and calculating final execution power in combination with a temperature attenuation coefficient; and controlling the charging and discharging process according to the final execution power and the current change slope, and starting balance control when the voltage difference of the single batteries exceeds the limit. Scene adaptability, battery protection and multi-vehicle cooperative control in the charging and discharging process of the electric vehicle are systematically optimized.

The invention provides a marine power device fault diagnosis method based on multi-modal information fusion, and relates to the technical field of intelligent fault diagnosis. Comprising the steps that operation state data of equipment to be tested are collected, and the operation state data comprise vibration signals and infrared images; preprocessing the running state data to obtain preprocessed running state data; the preprocessed operation state data are input into a fault diagnosis model, a diagnosis result is obtained, and the fault diagnosis model comprises an input module, a feature extractor, a feature enhancement module and a classifier which are connected in sequence; the problems that in the prior art, multi-modal data fusion is difficult, and the fault diagnosis accuracy of the marine power device is low are solved.

A hybrid powerplant is provided for an aircraft. This hybrid powerplant includes a housing, an electric machine, a machine fluid circuit, a heat engine and a geartrain. The housing includes a machine containment zone and an engine compartment outside of the machine containment zone. The electric machine is arranged within the machine containment zone. The machine fluid circuit services the electric machine. The machine fluid circuit extends in the machine containment zone and is arranged outside of the engine compartment. The heat engine is arranged within the engine compartment. The geartrain is operatively connected to the electric machine and the heat engine.

The invention provides a comprehensive test bench for an aircraft system, and relates to the technical field of equipment testing. Platform function support is provided through the simulation flight system, the comprehensive control and test auxiliary system, the data acquisition analysis system, the software test system, the airborne system integration module and the fault injection system. Through a platform I / O resource pool, a simulation power supply and distribution system, a test network, a reflection memory network and a wiring and tandem system, different aircraft system test benches are cooperated to carry out a linkage comprehensive experiment. According to the invention, the building of the aircraft system comprehensive test bench is realized among the power device system test bench, the atmospheric inertial navigation system test bench, the passenger cabin information system test bench, the copper bird test bench and the iron bird test bench, so that the linkage test operation requirement is met.

The invention relates to a variable-depth, variable-position and variable-quantity intelligent ditching fertilizer applicator based on the diameter of a fruit tree, and belongs to the technical field of agricultural and forestry machinery. The intelligent ditching and fertilizing machine comprises a rack arranged on a walking device, and a power device, a fertilizing device, a spiral ditching device and a control device which are supported on the rack, the fertilizing device is used for conveying the fertilizer from the fertilizer box to a feeding mechanism of the fertilizer discharging pipe according to the control instruction; the spiral ditching device comprises a vertical moving pair and a horizontal moving pair; the spiral ditching device comprises a vertical spiral ditching cutter which is arranged at the lower part of the movable platform and is driven by a spiral ditching driving motor; a visual camera and a laser radar are arranged in the middle of the rack, signal output ends of the visual camera and the laser radar are respectively connected with corresponding input end pins of the intelligent chip, and control output ends of the intelligent chip are respectively connected with controlled ends of the fertilizing motor, the moving motor, the spiral ditching motor and the lifting motor. The device can work at the position of an optimal root zone, the depth, the position and the variable are controlled, and after furrowing is conducted in soil, fertilizer is evenly scattered into furrows.

The embodiment of the invention provides cleaning equipment, a cleaning assembly and a cleaning equipment working method. The cleaning equipment comprises an equipment body; the cleaning assembly is arranged at the edge of the equipment body, the cleaning assembly comprises a driving device and a cleaning body, the driving device can drive the cleaning body to rotate, the driving device has at least two working modes, and in the first working mode, the driving device outputs power to drive the cleaning body to rotate; and in the second working mode, the driving device outputs reverse power to drive the cleaning body to swing outwards so as to clean an area in a farther range outside the side part of the equipment body. According to the technical scheme, the driving device can enable the cleaning body to rotate or swing outwards only by changing the direction of the output power, the working state of the cleaning body can be rapidly switched conveniently, other power devices do not need to be arranged, and the driving device is relatively simple in structure and small in occupied space.

An inspection method is provided during which a piezoelectric device is arranged with a specimen component of a powerplant. The arranging includes abutting the piezoelectric device against a surface of the specimen component. An electrical current is provided to the piezoelectric device at a (e.g., fixed) electrical voltage. The providing of the electrical current to the piezoelectric device energizes the piezoelectric device and induces vibrations in the component across a frequency range. The electrical current provided to the piezoelectric device during the energizing of the piezoelectric device and the inducing of the vibrations in the specimen component is monitored to determine a plurality of measured resonant frequencies of the specimen component within the frequency range. A measured resonance signature for the specimen component is determined based on the measured resonant frequencies of the specimen component.

The stacking clamp comprises a bottom drawing mechanism, the bottom drawing mechanism has a grabbing state and a discharging state, and when the bottom drawing mechanism is in the grabbing state, the upper surface of the bottom drawing mechanism can bear a single row of products; at least one group of suction cup mechanisms are arranged, and the at least one group of suction cup mechanisms can suck a single-layer stack partition plate, so that the single-layer stack partition plate is placed on the single-row products stacked on the stacking position; the bottom drawing mechanism comprises a fourth power device; and the upper surface of the bearing part carries the single-row products in a limited manner, and the bearing part is driven by the fourth power device to move linearly. The stacking device is suitable for a robot stacking system, stacking of a single row of products and stacking partition plate placement are achieved under the condition that a clamp does not need to be switched or another independent robot does not need to be arranged, complex stack type application is met, and the working efficiency of the stacking system is improved.

The invention relates to the technical field of casting equipment, and discloses energy-saving furnace roller automatic cooling mold opening casting equipment which comprises an upper mold, a lower mold, an upper locking assembly, a lower locking assembly and a jacking assembly. After casting is completed, cooling liquid is continuously input into the water inlet, the outlet of the lower die cooling cavity is blocked by the sealing column, the cooling liquid is gradually accumulated in the closed lower die cooling cavity, the liquid pressure is gradually increased in a stable and controllable trend, and along with continuous increase of the pressure, the sealing plate is subjected to thrust from bottom to top, so that the sealing effect is improved. When the sealing column moves to the limiting plate, the sealing column is pushed to move upwards, in the process, the liquid pressure is not instantly exploded but is gradually increased, damage of impact force to the mold is effectively avoided, after the sealing column moves to the limiting plate, the rising pressure can push the upper mold to stably rise, and automatic mold opening is achieved. According to the mode that the liquid pressure gradually rises to complete mold opening, an additional power device is not needed, the maintenance difficulty is lowered, and meanwhile a large amount of energy consumption is saved.

The invention discloses a hydrogen energy park planning method and system based on a heuristic algorithm, and relates to the technical field of smart energy management, and the method comprises the steps: constructing a mathematical model of a park comprehensive energy system which is composed of a renewable energy power generation unit, an energy conversion device, a carbon capture and gas power device and a multi-type energy storage unit; based on the mathematical model, with the minimum annual comprehensive cost of the park comprehensive energy system as a target, establishing a cost target function, setting constraint conditions, and formulating an energy management strategy; and according to an energy management strategy, solving according to an improved taboo horse racing optimization algorithm THRO, and planning the hydrogen energy park according to a solving result. According to the invention, not only is the interior of the exterior of the environment realized, but also the maximization of economic benefits is realized.

The invention provides a swimming pool cleaning robot, and relates to the field of cleaning robots, the swimming pool cleaning robot is characterized in that an inner cavity is arranged in a shell, the inner cavity is communicated with a water inlet and a water outlet, and a filter unit is arranged in the inner cavity; a power device and a snorkeling device are further arranged in the shell, the power device and the snorkeling device are both connected with the main control module, the snorkeling device comprises at least one floating bin, and an inner cavity of the floating bin is communicated with a water passing opening and an air passing opening; the water passing opening of each floating bin communicates with a water inlet and outlet power device, and the water inlet and outlet power devices are connected with the main control module. Compared with the prior art, according to the swimming pool cleaning robot, the robot floats on the water surface and sinks into water through the snorkeling device, impurities in a swimming pool are filtered through the upper filtering unit and the lower filtering unit, and the requirements of a user for water surface cleaning and underwater cleaning of the swimming pool are met; and in combination with the power device, the maneuvering functions of advancing, retreating, turning and steering can be achieved, and convenience is brought to users.

An assembly is provided for an aircraft powerplant. This assembly includes a differential geartrain, a first rotating assembly, a second rotating assembly, a first actuator and a second actuator. The differential geartrain includes a sun gear, a ring gear, a plurality of intermediate gears and a carrier. The first rotating assembly is coupled to the differential geartrain through the carrier. The first rotating assembly includes a first turbine rotor. The second rotating assembly is coupled to the differential geartrain through the ring gear. The second rotating assembly includes a second turbine rotor. The first actuator is coupled to the differential geartrain through the ring gear. The second actuator is coupled to the differential geartrain through the sun gear.

The invention provides an electromagnetic clutch assembly, an electromagnetic clutch, a power device and a vehicle. The electromagnetic clutch assembly comprises a main shaft, a sliding sleeve, an electromagnetic induction assembly, a first transmission wheel and a second transmission wheel, the first transmission wheel and the second transmission wheel are connected to the main shaft, and the main shaft is provided with a connecting part between the first transmission wheel and the second transmission wheel; the sliding sleeve and the electromagnetic induction assembly are sequentially arranged on the radial outer side of the connecting part, the electromagnetic induction assembly is connected with the sliding sleeve, and the electromagnetic induction assembly can drive the sliding sleeve to move in the axial direction of the main shaft through electromagnetic induction, so that the sliding sleeve moves to the position meshed with the first transmission wheel or the second transmission wheel; the electromagnetic clutch assembly is provided with two power output gears, and when the clutch assembly is operated, more gears can be selected; and the vehicle can realize switching of multiple gears, so that a larger vehicle speed range can be output.

The invention discloses a power device for posture adjustment and butt joint of large-size composite components, and particularly relates to the technical field of aircraft production, the power device comprises an adjustment driving assembly and an adsorption fixing assembly, the adsorption fixing assembly is installed at the output end of the adjustment driving assembly, the adsorption fixing assembly comprises a grabbing frame and a suction cup base, and the suction cup base is installed on the grabbing frame; a flexible adsorption ring is installed at the bottom of the suction cup base, a vacuum adsorption space is formed between the flexible adsorption ring and the suction cup base, and a back supporting positioning column is further installed in the suction cup base in a sliding mode and installed at the output end of the pushing driver. According to the invention, downward reverse support is formed on the surface of the component by means of the reverse support positioning column, so that the component cannot extrude the flexible adsorption ring due to motion inertia under the support of the reverse support positioning column in the process of adjusting the posture of the component, and the component is not easy to generate micro vibration; and therefore, the stability and the safety of adjusting the part are improved.

The utility model discloses polishing equipment for producing hair clipper blades, which comprises a bottom plate, four corners of the lower end of the bottom plate are fixedly connected with supporting legs, the upper end of the bottom plate is fixedly connected with a supporting frame, the upper end of the supporting frame is provided with a power device, the supporting frame is internally provided with a smearing device, and the interior of the supporting frame is rotatably connected with a polishing roller. The polishing roller is located at the lower end of the smearing device. A lifting device is arranged at the lower end of the bottom plate, and a moving device is arranged at the upper end of the lifting device and used for driving the hair clipper blade to move. According to the hair clipper blade polishing device, the smearing device is arranged, polishing agents can be smeared on the surface of the polishing roller through the smearing device, in this way, when the polishing roller conducts polishing operation, the polishing effect can be improved, the surface of the hair clipper blade is smoother and brighter, and meanwhile protection on workers is improved.