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50results about How to "Running slow" patented technology

Unmanned aerial vehicle visual detection method for high-voltage line insulators

The invention discloses an unmanned aerial vehicle visual detection method for high-voltage line insulators. The method comprises the following steps of: obtaining a high-voltage line insulator image; converting the high-voltage line insulator image from an RGB model to an HSV model; detecting a brightness component of the HSV model by adoption of a cross gradient search method, and obtaining a direction gradient and a spatial brightness similarity so as to generate a foreground image; carrying out connected domain segmentation on the foreground image by adoption of a 8-neighborhood connected domain segmentation method so as to obtain an insulator connected domain image; carrying out edge extraction on the insulation connected domain image by adoption of an LOG operator so as to obtain edge information of the image; carrying out 8-neighborhood edge classification on an image edge point by adoption of a 8-neighborhood edge tracking method; for pixel class groups obtained through the 8-neighborhood edge classification, carrying out edge linear detection on the groups, and displaying a recognized insulator profile. According to the method, complete insulator connected domain images can be obtained, so that the insulation recognition correctness is effectively improved, the operation speed is effectively improved and the calculation complexity is reduced.
Owner:CHANGAN UNIV

Dual-mode masked man event automatic detection method based on video characteristic statistics

The invention provides a dual-mode masked man event automatic detection method based on video characteristic statistics. The dual-mode masked man event automatic detection method comprises the steps of: zooming a video frame and converting the video frame into a grayscale image after acquiring a source video image, acquiring a maximum object motion foreground rectangular frame, positioning a head region coarsely, acquiring face position information, then estimating a mouth region within the obtained face range, cutting the mouth region to narrow a range, calculating a gradient map, primarily judging whether a person is a masked man through calculating number of connected domains on the basis of the obtained gradient map, and calculating proportion of the areas of the top two connected domains for further judging whether the person is a masked man. The dual-mode masked man event automatic detection method based on video characteristic statistics does not have specific requirements for a video scene, is simple and efficient in the calculation method, can perform real-time processing, can be applied to real-time investigation and case solving, saves suspicious masked man information, and can provide first-hand information for evidence collection after a crime is committed.
Owner:SOUTH CHINA UNIV OF TECH

Chain-type boosting inlet roller machine for oscillating bar conveyer

The invention relates to a chain-type boosting inlet roller machine for an oscillating bar conveyer. The roller machine consists of a frame, a speed reducing motor, a universal joint, and a long roller component, a short roller component and a free roller component which are used for supporting and conveying a runner, wherein a roller is supported in a plummer block on the frame; an adjustable support leg is fixed to the lower part of the frame; a chain-type boosting mechanism consists of a tensioning section, a driving section and a middle section which are linked with one another through a chain; the chain is provided with a push head and runs in a groove track of each section; a sledge body which bears a workpiece is supported on the roller; the chain is driven by the speed reducing motor in the driving section; the push head pushes a sledge body cross beam to move forward and be jointed with the oscillating bar, so that the roller machine starts running. Since the chain runs stably at a low speed without impact, the jointing reliability and stability of the sledge body and the oscillating bar are high. An oscillating arm of a positioning mechanism is driven by a cylinder so as to block and position the sledge body. The roller machine is characterized by full chain transmission process, no sliding of the sledge body in the roller machine, low running speed, stability, little impact and shock, high reliability and capacity of more than or equal to 60 JPH.
Owner:AUTOMOTIVE ENG CORP +1

Intelligent elevator capable of driving plurality of lift cars to move circularly by utilizing gears

The invention provides an intelligent elevator capable of driving a plurality of lift cars to move circularly by utilizing gears. The intelligent elevator comprises lift cars, guide rails, a shaft, a synchronous motor set, a gear set, a lift car driving mechanism, a lift car reversing driving mechanism and a lift car storage region, wherein a supporting framework is arranged in the middle of the shaft and is used for bearing the synchronous motor set, the gear set, the lift car driving mechanism and the like; the inner part of the shaft is divided into a lift car ascending region, a lift car descending region, a top reversing region and a bottom reversing region; the intelligent elevator is characterized in that the lift cars further comprises a reversing lift car; a hook and an unhooking mechanism are arranged between the lift cars and the lift car driving mechanism; and the intelligent elevator is further provided with a central controller, and a first position sensor, a second position sensor, a lift car door control device, a delaying relay and the like. According to the intelligent elevator provided by the invention, a product combines software and hardware and the operation time and retention time of the elevator can be strictly controlled so that the utilization rate of the elevator is greatly improved.
Owner:张博飞

Novel smashing and grinding technology and equipment

InactiveCN103252275ARealize the processing methodRealize the integration of crushing and grindingGrain treatmentsDynamic balanceEngineering
The invention discloses novel smashing and grinding equipment which comprises a stander, at least two working plates and a thrust mechanism, and the novel smashing and grinding equipment is characterized in that one of at least two working plates is used as a fixing plate and is fixed on the stander, and the other working plates are used as movable plates; all the working plates are arranged in an adjacent manner, and a smashing cavity is formed between every two adjacent working plates, and an opening degree is formed; each smashing cavity is provided with an inlet and an outlet; the size of the opening degree of each smashing cavity is changed along with the change of a relative position between every two adjacent working plates; the thrust mechanism is fixed on the stander or is fixed between the stander and each movable plate; and the thrust mechanism is connected with or separated from the movable plates. Compared with conventional smashing grinding equipment, the novel smashing and grinding equipment has the advantages that straight thrust uniformly acts on the fixing plate and the movable plates of the smashing cavities, so that respective particles of the materials can adaptively reach mechanical dynamic balance under stress, and the particles are smashed by relatively uniform squeezing force; and due to the smashing of the materials, a processing method for replacing grinding by smashing is really realized.
Owner:杨建勋 +2

Vacuum-energy-storage-type launching catapult for fixed-wing aircraft

The invention relates to a vacuum-energy-storage-type launching catapult for a fixed-wing aircraft. The vacuum-energy-storage-type launching catapult is formed through sequentially connecting an electric winch, a trailer wagon, a speed transformation, a cable winding pulley, a large-diameter piston, a large-caliber vacuum cylinder, an oil pump, an oil storage tank and the like. The electric winch draws the piston to slowly rise to an upper dead point from a lower dead point under the deceleration of the speed transformation, so as to enable the interior of the vacuum cylinder to reach a completely-vacuum state and complete energy storage; the piston enables the trailer wagon to drive the aircraft to rapidly advance and launch through the acceleration of the speed transformation under the propulsion of atmospheric pressure and self-gravity, so as to complete catapult. Data related to specific embodiments of the invention are as follows: the catapult traction distance is 99 meters, the constant net traction force is 31.4 tons, the energy storage power is 600kw, the energy storage time is 60 seconds, the minimum requirements of a power supply on power is 800kw, the power consumption for catapult of one aircraft is lower than 20 kilowatt-hours, the gross weight of the catapult is lighter than 60 tons, and a system main body, i.e., the large-caliber vacuum cylinder has the height of 126 meters and the volume of 465 cubic meters. The vacuum-energy-storage-type launching catapult has the most principal features of uniformity in acceleration, little heat generation, low energy consumption, electrification, light weight and few systems.
Owner:王振川

Vacuum energy storage fixed-wing aircraft take-off catapult

The invention relates to a vacuum-energy-storage-type launching catapult for a fixed-wing aircraft. The vacuum-energy-storage-type launching catapult is formed through sequentially connecting an electric winch, a trailer wagon, a speed transformation, a cable winding pulley, a large-diameter piston, a large-caliber vacuum cylinder, an oil pump, an oil storage tank and the like. The electric winch draws the piston to slowly rise to an upper dead point from a lower dead point under the deceleration of the speed transformation, so as to enable the interior of the vacuum cylinder to reach a completely-vacuum state and complete energy storage; the piston enables the trailer wagon to drive the aircraft to rapidly advance and launch through the acceleration of the speed transformation under the propulsion of atmospheric pressure and self-gravity, so as to complete catapult. Data related to specific embodiments of the invention are as follows: the catapult traction distance is 99 meters, the constant net traction force is 31.4 tons, the energy storage power is 600kw, the energy storage time is 60 seconds, the minimum requirements of a power supply on power is 800kw, the power consumption for catapult of one aircraft is lower than 20 kilowatt-hours, the gross weight of the catapult is lighter than 60 tons, and a system main body, i.e., the large-caliber vacuum cylinder has the height of 126 meters and the volume of 465 cubic meters. The vacuum-energy-storage-type launching catapult has the most principal features of uniformity in acceleration, little heat generation, low energy consumption, electrification, light weight and few systems.
Owner:王振川

Non-contact measuring equipment for radial deformation of submarine cable

The invention discloses non-contact measuring equipment for radial deformation of a submarine cable, which belongs to the field of submarine device testing and is used for scanning the contour of thesubmarine cable and accurately measuring the radial deformation of the submarine cable. The non-contact measuring equipment comprises a lifting table and two sets of identical scanning devices, wherein each set of scanning device comprises a fixed plate, a guide rail, a driving device and two sensors; the two sets of identical scanning devices are symmetrically arranged on both sides of the lifting table to realize full contour scanning of a submarine cable to be measured; the lifting table can be adjusted according to the position of the submarine cable in an experiment in order to adapt to the experimental environment; the driving device can output a relatively low revolving speed to ensure adequate scanning time; and a ball screw guide rail can meet the requirement of experimental accuracy in a relatively economical way. The contour of the submarine cable is scanned through the cooperation of multiple sensors, so that the radial deformation of the submarine cable is measured accurately, which is of great significance to the stiffness analysis of the submarine cable.
Owner:DALIAN UNIV OF TECH

Electrocardiogram and vector cardiogram experiment operating panel

InactiveCN104835398AInnovating Experimental Teaching ContentInnovation methodEducational modelsGraphicsMagnetic bead
The present invention discloses an electrocardiogram and vector cardiogram experiment operating panel. The electrocardiogram and vector cardiogram experiment operating panel comprises an iron operating panel body, an electrocardiogram operation surface is arranged on the right side of the operating panel body, and the square scales used for measuring the electrocardiogram time and amplitude are arranged on the electrocardiogram operation surface. The magnetic line segments which can be bent flexibly and are used for the simulation operation of the electrocardiogram normal graphs, the electrocardiogram abnormal graphs or the conventional 12-lead electrocardiographs are arranged on the electrocardiogram operation surface, and are formed by connecting a plurality of hollow small magnetic pipes in series via the flexible lines. A vector cardiogram operation surface is arranged on the backside of the operating panel body, and the concentric scales used for recording the electrocardiogram vector loop amplitudes, the magnetic stripes which can be bent flexibly and are used for the QRS vector loop operation and the magnetic line segments used for the P vector loop and T vector loop operation are arranged on the vector cardiogram operation surface. The magnetic strips are formed by connecting a plurality of hollow magnetic spheres and magnetic beads in series by the flexible lines, and the head ends and the tails ends of the magnetic strips are all magnetic spheres.
Owner:HANGZHOU NORMAL UNIVERSITY

Vertical rotary multi-station diaphragm filter press

The invention provides a vertical rotary multi-station diaphragm filter press. The vertical rotary multi-station diaphragm filter press comprises a main rack and a rotary rack; the rotary rack can rotate on the main rack around a connecting bearing of the rotary rack and the main rack; a plurality of plate group fixing frames are arranged on the rotary rack in the circumferential direction, and afilter plate group is mounted on each plate group fixing frame; each filter plate group at least comprises a pressure stop plate and a first diaphragm filter plate, and the first diaphragm filter plate can reciprocate on the plate group fixing frame towards the direction of the pressure stop plate; and at least one set of pushing and pressing device is arranged on the outer side of the rotary rack. The pushing and pressing device comprises an oil cylinder, and an output rod of the oil cylinder is connected with a pushing and pressing plate; the pushing and pressing plate can be driven by the oil cylinder to do telescopic reciprocating translation towards the direction of the rotary rack; and the pushing and pressing plate can move to abut against the filter plate group corresponding to thepushing and pressing plate in position, so that the pushing and pressing plate, the first diaphragm filter plate and the pressure stop plate are combined in sequence to form a filter cavity. A multi-station rotary working structure is adopted, multiple stations rotate synchronously, synchronous operation is achieved, and the beneficial effects of being efficient, capable of saving time and labor,capable of saving space and the like are achieved.
Owner:佛山市绿星环保科技有限公司

Small-particle four-section moving bed dry distillation furnace with hydrogen-enriched environment and dry distillation method of small-particle four-section moving bed dry distillation furnace

The invention discloses a small-particle four-section moving bed dry distillation furnace with a hydrogen-enriched environment and a dry distillation method of the small-particle four-section moving bed dry distillation furnace. According to the dry distillation furnace, a feeding hole is formed in the upper part of a drying and preheating section, an upper air inlet and a lower air inlet are respectively formed in the middle side and lower side of the drying and preheating section, and an air outlet is formed in the end, far away from the upper air inlet, of the drying and preheating section; the drying and preheating section is vertically communicated with a dry distillation section through a sealing section; a medium-temperature air inlet is formed in the middle side of the dry distillation section, a high-temperature air inlet is formed in the lower side of the dry distillation section, and an oil gas outlet communicated with an oil gas recovery system arranged on the outer wall of the dry distillation section is formed in the medium-upper side of the dry distillation section; a cold coal gas inlet is formed in the middle side of a cooling section, a coal gas outlet is formed in the upper side of the cooling section, a water inlet is formed in the lower side of the cooling section, and a water outlet is formed in the middle side of the cooling section; and the cooling section is provided with a cooling heat exchanger communicated with the water inlet and the water outlet. The dry distillation method comprises the steps of drying and preheating; sealing; carrying out dry distillation; and cooling. The small-particle four-section moving bed dry distillation furnace with the hydrogen-enriched environment has the characteristics that the power consumption is low, the energy utilization rate and oil yield are high, the quality of an oil product is good, the dust content of oil gas is low, and the utilization rate of resources is high.
Owner:QUJING ZHONGYI FINE CHEMICAL INDUSTRY CO LTD

Satellite peripheral interface simulation system and method

ActiveCN110674579ASolve the generalization problemSolving Simulation Modularity ProblemsDesign optimisation/simulationPeripheralEngineering
The invention provides a satellite peripheral interface simulation system and method. Satellite-borne software and CPU simulation software, the satellite peripheral interface simulation system, a single machine and a power module are connected in sequence. The satellite-borne software, the CPU simulation software and the power module are external software, and the single machine is a fixed codingmodule. The satellite peripheral interface simulation system realizes a corresponding reading function and a corresponding writing function of the register according to an address. The satellite peripheral interface simulation system comprises a configurable module and a configuration file, the configurable module comprises a register address module and other peripheral interface configuration modules, the register address module is used for storing register addresses, and the other peripheral interface configuration modules are used for storing related design parameters. The configuration file is respectively connected with the register address module and other configuration modules of the peripheral interface, and the configuration file is used for initializing the register address module and other configuration modules of the peripheral interface according to configuration.
Owner:INNOVATION ACAD FOR MICROSATELLITES OF CAS +1

Computer system and working method thereof

A computer system and operating method thereof are provided. The computer system comprises a central processing unit (21) and a random access memory (22). The random access memory (22) is provided with a resource allocating management storage region (32) for storing execution sequence of the central processing unit executing an application program, and a resource allocating management unit (31) for dynamically changing the execution sequence according to request amount of resource occupied by a plurality of application programs, wherein the execution sequence is such that the execution priority level of an application program with a small request amount of resource is higher than the execution priority level of an application program with a large request amount of resource. The method comprises the following steps: the resource allocating management unit (31) receives information on request amount of resource sent from a plurality of application programs; writes an execution sequence of the plurality of application programs into the resource allocating management storage region (32); the resource allocating management unit (31) dynamically changes the execution sequence according to request amount of resource occupied by the application programs; and the central processing unit (21) executes the application programs according to the execution sequence.
Owner:ZHUHAI HOTDOOR TECH CO LTD
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