297 results about "Fast speed" patented technology

According to the method, a fuzzy subset is set according to the required torque, the current SOC value and the difference value between the engine rotating speed and the motor rotating speed, and the torque of an ISG motor is dynamically adjusted through a fuzzy control algorithm. The fuzzy control adopts a fixed fuzzy rule, so that a Q table is established through a Q learning algorithm, the compensation torque of the ISG motor is obtained, the final output torque of the ISG motor is determined to be the sum of the output torque of the fuzzy controller and the compensation torque output by the Q learning algorithm, and the torque output by the ISG motor is determined. According to the method, the advantage of high response speed of the torque of the motor is utilized, the difference value between the required torque and the actual torque is effectively compensated, the rotating speed fluctuation of the engine caused by overlarge change of the torque of the engine is avoided, and the fuel economy and the driving operation stability are improved.

The invention relates to a three-channel loading station and method with loading capacity exceeding ten thousand tons per hour, which comprises a steel structure frame, a first channel, a second channel and a third channel, and a transition chute is arranged between a surge bin and a discharge chute of the third channel. One-time weighing of the quantitative bins of the first channel and the second channel is a large part of a carriage, one-time weighing of the quantitative bin of the third channel is a small part of the carriage, and at least one-time weighing of the quantitative bin of the third channel can be contained in the transition chute. The three buffer bins, the quantitative bin discharging chutes and the transition chute specially arranged on the third channel are utilized, the efficient loading requirement of the heavy-load train exceeding ten thousand tons is met in a three-channel alternate operation mode, the loading capacity reaches 10,000-13,000 t / h, the loading speed ranges from 1.5 km / h to 2 km / h, and whole-column loading of the heavy-load train of 30 thousand tons can be completed within about 2 hours. The loading speed is high, the loading capacity is large, the adaptive capacity is high, the transportation efficiency is remarkably improved, and the logistics cost is reduced.

This invention relates to a high-speed sweeper, comprising a dust collection device (6) and a sweeping device (7) disposed below a chassis (1); the dust collection device (6) includes a plurality of suction ports (62), a front rubber plate (63), a side rubber plate (64), and a roller brush (67) mounted on a suction cup body (61); the sweeping device (7) includes two front sweeping discs (71) and two rear sweeping discs (72); wherein the outermost edges of the two rear sweeping discs (72) respectively cover more than 1 / 3 of the area from the center to the outermost edge of the corresponding front sweeping disc (71) in the left and right directions; the suction area of ​​the suction cup body (61) respectively covers more than 1 / 4 of the area from the center to the outermost edge of the rear sweeping discs (72). This invention provides a high-speed sweeper with fast suction speed, no missed areas during high-speed sweeping, high sweeping efficiency, and good cleaning effect.

According to the differential wheel limiting detection device and method, the rotating direction and the rotating speed of a wheel set can be limited in advance before the differential wheel moves in two directions and collides with a hard limit, so that the control performance of a vehicle is improved, the situation that an oil cylinder and the like fall off due to collision with the hard limit when the speed is high is avoided, and the problem that a traditional differential wheel set is poor in safety is solved. The system has the advantages of quick response, high safety, simple structure and the like, and is suitable for differential wheel control systems of equipment such as AGVs (Automatic Guided Vehicles) and mobile robots.

The application relates to the field of network security, in particular to an IPSec anti-replay detection method based on multiple caches. The latest window information which has not been stored in DDR is cached by means of the cache space of FPGA. When the sn window information of the previous message is not updated in the algorithm decryption stage, the un-updated sn window information is stored in the cache space of FPGA, the anti-replay detection of the next message is not affected, the processing time of two messages is shortened to the algorithm processing time, the preparation time before the algorithm decryption is greatly compressed, the method has the characteristics of fast speed, less resource occupation and the like, and is suitable for devices which have strict performance requirements and need to perform anti-replay detection.

The application discloses a rope climbing device, which comprises a moving chassis, a supporting roller mechanism and at least two power mechanisms, wherein the rollers of the supporting roller mechanism are used for rolling along the handrail ropes to bear the moving chassis to move along the handrail ropes; each power mechanism comprises a power piece and a power roller connected with each other, the power piece is arranged on the moving chassis and is used for driving the power roller to rotate; wherein the power rollers of the two power mechanisms are used for being oppositely or oppositely pressed on two parallel handrail ropes to enable the power piece to drive the power roller to roll along the handrail ropes. Under the action of the power mechanisms, the moving chassis can continuously move along the handrail ropes. Obviously, the rope climbing device has the advantage of fast climbing speed, and correspondingly, the working efficiency of the main cable maintenance robot is improved.

This invention discloses a CVT drive clutch with downhill braking function, relating to the field of clutch technology. It includes a drive shaft, with a drive wheel assembly and a transmission wheel assembly connected to its two ends respectively. A braking assembly is provided between the drive wheel assembly and the transmission wheel assembly. The braking assembly includes a one-way bearing sleeved on the drive shaft; a bearing housing is sleeved on the outside of the one-way bearing; the inner ring of the one-way bearing is fixed to the drive shaft, and the outer ring of the one-way bearing is fixed to the bearing housing; a flange sleeve for connecting a drive belt is slidably sleeved on the outside of the bearing housing; the outer ring of the flange sleeve near the drive wheel assembly has a protruding structure for blocking the drive belt; an annular guide slider is sleeved on the outside of the bearing housing near the drive wheel assembly. The advantages of this invention are: it can achieve braking by clamping both sides of the drive belt, with fast response speed, good braking effect, and high reliability.

A special gauge for rapidly detecting the shape and size of an automobile front axle comprises a base, a left limiting block, an inclined plane supporting block, a right limiting block, a double-axis sliding block, a sliding block baffle and a forge piece, the section structure of the base is of a U-shaped structure, and the left limiting block and the double-axis sliding block are installed at the left end and the right end of the base respectively. A bevel supporting block is installed in the middle of the base, a right limiting block is installed on the upper surface of the double-axis sliding block, a sliding block baffle is installed on the edge of the double-axis sliding block, and a forge piece is installed between the left limiting block and the right limiting block. The device is high in detection speed, low in manufacturing cost and good in environment adaptability; and the training cost is low.

The invention provides a high-side driving circuit device and method for overcurrent protection and a vehicle, and belongs to the technical field of vehicles. The device comprises a power supply module, an overcurrent protection module, a high-side driving module and a regulation and control module. A regulation and control module is connected with the input end of a high-side driving module, a regulation and control signal is output, on-off of the high-side driving module is controlled according to the regulation and control signal, a driving function is achieved, the high-side driving module is connected with a power module through an overcurrent protection module, the overcurrent protection module detects driving current of a driving power supply, and according to the driving current, on-off of the high-side driving module is controlled. On-off of the driving power supply is controlled, so that on-off of output of the driving power supply to the power supply load is controlled; the over-current protection circuit is constructed by using discrete devices instead of a special high-side driving chip, can trigger the turn-off protection in an over-current scene while realizing the basic function of high-side driving, does not need software monitoring and control, and is high in response speed, high in reliability and low in cost.

This application relates to the field of hydraulic technology for injection molding machines, and provides a high-speed, precision mold-opening control circuit board. In use, the hydraulic fluid enters the P port of the first directional valve from the main return port. Adjusting the valve core position directs the fluid to the A / B ports of the first directional valve, entering the rodless / rod-side connection port, thus supplying oil to the rodless / rod-side chambers of the mold-locking cylinder. Simultaneously, oil from the rod / rodless chambers of the mold-locking cylinder discharges to the rod / rodless interface, allowing the fluid to flow to the T port of the first directional valve. Because a differential circuit is provided, activating the differential circuit connects the passage between the A port of the first directional valve and the rodless / rodless connection port with the passage between the T port of the first directional valve and the main return port. This allows the fluid entering the rodless / rodless chamber of the mold-locking cylinder simultaneously with the fluid entering the rodless / rodless chamber, creating a confluence effect that enables the mold-locking cylinder to move at a faster speed, improving production efficiency.

The invention provides a vehicle electromagnetic suspension assembly, a vehicle suspension system and a vehicle. The vehicle electromagnetic suspension assembly comprises a first supporting piece, a second supporting piece, an elastic piece and an electromagnetic driving device. The first supporting piece is used for being installed on a frame of a vehicle. The second supporting piece is used for being installed on a wheel of the vehicle. The elastic piece is supported between the first supporting piece and the second supporting piece and stretches out and draws back in the linear direction. The electromagnetic driving device is supported between the first supporting piece and the second supporting piece and actively applies damping force to drive the second supporting piece to move relative to the first supporting piece in the direction parallel to the straight line. The system is high in performance upper limit, simple in structure, high in response speed and capable of meeting user requirements.

An inner curve type PPU robot is characterized by: further comprising a support block, the support block being disposed inside three support bearings, and an oscillating contour surface being formed on the outer side of the support block, the oscillating contour surface comprising two symmetrically arranged C-shaped contour surfaces, the C-shaped contour surface comprising an arc segment and straight segments at both ends of the arc segment, and the distance of the arc segment from the rotation center of the main shaft being greater than the distance of the straight segments from the rotation center of the main shaft; when the oscillating wheel moves, the three support bearings and the oscillating contour surface are always in contact to form a rolling fit, and the oscillating wheel drives the linkage shaft to move along the C-shaped trajectory. Its advantages are: 1. The support block is set inside the three support bearings. Compared with the cycloidal frame in the prior art, the outer curved surface is changed to the inner curved surface, making the structure more compact and reasonable, and greatly reducing the volume; 2. The C-shaped contour surface includes an arc segment and two straight segments. Compared with the rounded square trajectory in the prior art, the movement of the swing wheel will be more continuous; 3. The support bearing has a higher speed and greater torque when passing through the straight segment, which reduces the influence of gravity and makes the movement more stable. The support bearing has a lower speed and faster speed when passing through the arc segment, which increases the running speed and makes the movement more rapid.

This invention discloses a closed-loop control method and system for an electromagnetic repulsion mechanism based on PID control, belonging to the field of electromagnetic repulsion mechanism control technology. It monitors the current motion state of the repulsion disk in real time and compares it with a preset target motion state. The deviation between the two is calculated and discretized using PID control to obtain state variables. Based on the magnitude and direction of the state variables, the amplitude, frequency, phase, and duty cycle of the pulse current are dynamically adjusted. The PID algorithm effectively controls the motion curve of the electromagnetic repulsion mechanism, making the motion of the repulsion disk closer to the preset motion curve. It possesses advantages such as strong adaptability, fast response speed, and small displacement error, thus solving the drawbacks of traditional open-loop drive electromagnetic repulsion mechanisms. It can dynamically adapt to changes in the motion state of the repulsion disk and meet the high-precision control requirements under complex working conditions.

The application is a QUBO problem solving method based on analog computing circuit, belonging to the field of analog computing and integrated circuit.The method combines the mathematical mapping of QUBO problem with the physical evolution process of analog computing circuit, maps the quadratic term matrix in QUBO problem into the product of resistance value in programmable resistance memory array and output current of current source module, maps the linear coefficient vector into threshold voltage of each row comparator, and takes the output voltage of each row comparator on feedback loop as the output of corresponding logic of state variable to be solved in QUBO problem, and relies on the natural evolution process of voltage in the circuit to realize the solution of QUBO problem in one step.The application does not depend on external digital circuit to provide clock, but updates in continuous time, has the advantages of fast speed, less peripheral circuit and low power consumption, and is suitable for the application scene of QUBO problem which is sensitive to power consumption and requires high solving speed.

The invention relates to the technical field of mechanical devices using springs as energy storage and power sources, in particular to a spring energy storage device with a quick response function, which comprises a generator, a main shaft and at least one spring energy storage unit, each spring energy storage unit comprises a spring compression mechanism and a ratchet wheel limiting mechanism matched with the spring compression mechanism, the spring compression mechanism and the ratchet wheel limiting mechanism are both installed on the bottom plate. The ratchet wheel limiting mechanism composed of the ratchet wheel, the pawl, the electric telescopic rod and the like is arranged, the overrun clutch is combined, rapid and accurate release control over spring energy is achieved, and the response speed is high.

The utility model provides a fast-assembly roller type steel bar protective layer controller which comprises a disc body and an insertion block, a hole used for fixing a steel bar is formed in the middle of the disc body, a strip-shaped insertion hole communicated with the hole is formed in the side edge of the disc body in the radial direction, clamping grooves are symmetrically formed in the middles of the two sides of the strip-shaped insertion hole, and the insertion block is of a strip-shaped structure matched with the strip-shaped insertion hole. The upper end of the steel bar is a cambered surface matched with the steel bar, clamping strips with the lower ends inclined outwards are symmetrically arranged on the two sides of the steel bar, and the clamping strips are used for being clamped in the clamping grooves. Rapid installation and positioning preparation can be achieved, and it is guaranteed that the thickness of the protection layer is controlled to be the same in all directions through the disc body; in addition, the installation speed is high, assembly type installation can be achieved, prefabrication production and batch machining can be achieved through a factory, and the wide market prospect is achieved.

This utility model discloses an automatic mahjong machine, including a first annular track, at least one second track intersecting and connected to the first track, and a track-splitting guide rotatably disposed in the intersection area. The track-splitting guide has a first working position blocking the second track and a second working position blocking the first track. The track-splitting guide includes two sides, each side having a blocking surface near the rotating shaft and a guide surface connected to the blocking surface. The blocking surface is used to receive the pushing force of the mahjong tiles to make the track-splitting guide swing, and the guide surface forms a guiding channel with the inner wall of the corresponding track. The advantages of this utility model are: it solves the problem of tile jamming when multiple tracks work together; it does not require additional power or complex control devices, relying only on the pushing force of the mahjong tiles themselves and the mechanical structure to complete the switching; it has no easily worn parts such as motors and gears; it has a long service life and low maintenance requirements; and it has a fast response speed and is stable and reliable.

The application relates to a tunnel construction method in a soft stratum, which adopts a bench method construction, when a temporary inverted arch is arranged on a bench platform, the temporary inverted arch is poured in a pumping concrete mode, and the temporary inverted arch is a plain concrete inverted arch. The temporary inverted arch adopts a direct pumping plain concrete mode, compared with a traditional steel and sprayed concrete mode temporary inverted arch, the method has simple construction operation, fast speed, and the temporary inverted arch is very convenient to remove after the temporary inverted arch plays a role, so that the construction safety risk can be greatly reduced. The method does not need an operation personnel to be close to a working face, the pump pipe can be directly fixed on an excavator mechanical arm, the pump pipe is sent to the vicinity of the working face, safety and convenience are achieved, and especially in an emergency when the bench is deformed greatly, the tunnel deformation can be quickly controlled under the condition of ensuring the safety of the operation personnel.

The utility model relates to bearing heat treatment clamping technical field especially relates to a kind of clamping devices for bearing heat treatment, including upside board, the clamping block is movably connected on the upside board, clamping rod is installed on the one end of clamping block, rotary piece is rotatably connected in the upside board, adaptive slot is opened in the rotary piece, the bottom side of upside board is installed with downside board, drop slot is opened in the downside board, the movable joint of drop slot one side is with scrap plate, positioning screw is connected between upside board and downside board.This scheme, reduce the possible that device is difficult to adapt to a variety of different size bearings to carry out clamping, reduce the possible that equipment clamping process is difficult to carry out clamping to the inside and outside of bearing, improve the possible that device can carry out faster speed clamping, and can avoid the possible that artificial needs to be close to heat area to adjust, also improve the effect that device collects and handles conveniently impurity.

The utility model provides a material placing mechanism for capacitor production, which is technically characterized in that a clamping device comprises a mounting plate, the mounting plate is provided with a guide groove, the guide groove comprises an arc section, a transverse section and a vertical section, the mounting plate is further provided with a first fulcrum and a second fulcrum, the first fulcrum is rotatably provided with a swing arm, and the second fulcrum is rotatably provided with a sliding rail. A servo motor for driving the swing arm to rotate is further arranged, a sliding groove is formed in the far end of the swing arm in the length direction, the sliding roller is integrally cylindrical, one section of the sliding roller is slidably installed in the sliding groove in a matched mode, the second section of the sliding roller is slidably installed in the guide groove in a matched mode, and a sliding block is installed at the end, located on the outer side of the swing arm, of the sliding roller. The sliding block is in sliding fit with the sliding rail, and the sliding block is further fixedly provided with a material claw assembly used for taking and placing a capacitor. When the material claw assembly moves along the guide groove, the complex actions of transversely drawing out and taking materials, rotating by 90 degrees and then vertically inserting the materials into the material moving assembly can be completed, the whole action is completed at a time, the speed is high, and the structure is simple.

The invention discloses a panel manufacturing process gradient monitoring method and system. The method comprises the following steps that firstly, a panel center point position is set; then the optimal template image is obtained by calculating the image definition; setting a gradual change area of the monitoring panel on the template image; and judging panel process gradual change according to preset parameters, and updating the template image library at the same time. The method has the beneficial effects that firstly, the defect that effective detection cannot be realized is overcome; secondly, the accuracy of monitoring the gradual change of the process is improved; and thirdly, the monitoring method is simple, easy to operate and high in efficiency. The monitoring system has the advantages of being good in accuracy, high in speed and good in stability. By adopting the processing method, the result is reliable, and the method is suitable for monitoring similar panel manufacturing process abnormity.

This invention discloses a rigid component for a shoe sole, which is a rigid plate for covering the sole of the foot, consisting of a forefoot section, an arch section, and a heel section connected longitudinally. The forefoot section extends curvedly from the corresponding toe to the front end of the arch section. The arch section extends curvedly from the corresponding arch of the foot to the front end of the heel section in the opposite direction to the forefoot section. The heel section extends from the corresponding heel to the rear end of the arch section. The characteristic feature is that the curvature from the forefoot section to the arch section is 20° to 30°. At this curvature, when the rigid component is placed in the sole and deformed by the user pushing off the ground, it applies an upward and forward elastic force to the user. It can apply a large force in the early stage of deformation and maintain the stability of the applied force, helping the user to exert force in a more effortless and efficient way, thereby enabling the user to achieve faster speed.

The utility model provides a bus with a carbon fiber body, which comprises a whole bus framework and a bus body, the bus body is integrally formed by carbon fibers, and the whole bus framework comprises a main support frame, a first side wall cross bar and a second side wall cross bar and is connected with the side wall of the bus body through a connecting component. The vehicle body is formed by a carbon fiber structure, so that the whole vehicle body is lighter, meanwhile, the structural strength of the carbon fiber vehicle body is better, the whole vehicle framework and the vehicle body can be conveniently disassembled and assembled through a bolt and nut connecting mode, secondary utilization and effective replacement can be achieved, and the surface does not need an electrophoresis process; and meanwhile, the problem that in a traditional welding mode, welding seams are prone to corrosion, and consequently the structural damage speed is high is solved, and by cooperation with the first side wall transverse rod, the second side wall transverse rod, the longitudinal rod, the lower supporting beam, the reinforcing piece and other structures, supporting of the connecting face of the vehicle body side wall and the stability of connecting joints are enhanced.

The application discloses a kind of based on speed compensation's optical element fast conformal polishing method and device, including the initial surface error distribution of the optical element to be processed is measured and is converted to polar coordinates and is carried out azimuthal angle integration average, extract rotationally symmetric error component, obtain one-dimensional characteristic generatrix;According to one-dimensional characteristic generatrix and the preset material removal layer determines target removal amount distribution;Establish the removal function of polishing tool under the condition of setting process;Based on the two-dimensional convolution relationship between target removal amount distribution and removal function, the two-dimensional residence time surface distribution of the surface to be processed is calculated, and is mapped as one-dimensional residence time line distribution;According to the feed distance between adjacent processing positions and the corresponding residence time, the speed distribution curve in actual processing is calculated, and the feed speed is controlled accordingly, to realize optical element fast conformal polishing.The application can remove the surface texture and damage defect after turning or grinding at a fast speed, while inhibiting the deterioration of existing surface accuracy, shorten the optical element processing procedure.

The application discloses a welding torch swing control method based on cosine sine curve. The welding torch swing track is fitted into a cosine curve by designing pulse increments and time increments in a unit interval in a motion process and adopting a discrete step number compensation method, so as to achieve the purpose of accurately controlling the welding torch swing track and swing width. According to the application, the solid difficulty of the rising and falling curve is greatly simplified under the condition of ensuring the executable planning track, the position, speed and acceleration in the swing process have good continuity and smoothness, the impact of the welding torch swing moment on the mechanical structure and the stepping motor is reduced, the control process of the method is simple, the adaptability is strong, the corresponding speed is fast, and the executing mechanism can be effectively protected.

The application provides a method for calculating the abundance of a fission product nuclear decay process. According to the characteristics of the decay differential equation, only the decay process is considered for n fission product nuclei, the differential equation set for the abundance change is represented by a matrix, a program is written by using Python language to solve it, and the result of the abundance change of the fission product nuclei with time is obtained. The method has simple program design, less input data types, and fast speed, and can quickly obtain the abundance data of the fission product nuclear decay process. In the case of a processor i5-1155G7@2.50GHz, the time consumption is less than 1 second, which is much faster than similar programs.

The utility model relates to the technical field of fans, and discloses a fan speed regulation control circuit, which comprises a switching power supply; the main control circuit is used for adjusting the rotating speed of the fan by outputting a PWM signal; the PWM speed regulation circuit is used for receiving the PWM signal and regulating the current or voltage value output to the fan according to the duty ratio of the PWM signal; a PWM amplification circuit; the direct-current fan interface circuit is used for connecting the direct-current fan and the PWM amplifying circuit; the switching power supply has the characteristics of low power consumption and high efficiency, the switching speed is high, the frequency is high, the PWM speed regulation circuit directly controls the power supply time of the motor to keep the high-efficiency operation of the fan, and the fan also keeps a high energy efficiency ratio in a low-speed state, so that the effects of saving energy and reducing consumption are achieved; the main control circuit outputs and generates accurate PWM signals, accurate adjustment of the rotating speed of the draught fan is achieved by adjusting the duty ratio of the PWM signals, and the circuit can adapt to different types of direct current draught fans and meet the working requirements of different draught fans.

The utility model discloses a cheese stirring tank for cheese production, belongs to the technical field of cheese production, and aims to solve the problems of low cheese taking speed and low cheese taking efficiency due to lack of a mechanism for quickly taking out congealed milk blocks in the prior art. Comprising a groove body, clamping grooves are formed in the middles of the side walls of the two ends in the groove body, a collecting assembly is clamped in the clamping grooves in a sliding mode, a supporting frame is installed on the upper surface of the groove body and is L-shaped, an electric telescopic rod fixedly penetrates through the upper end of the supporting frame, and a lifting plate is installed at the lower end of the electric telescopic rod. According to the cheese stirring groove for cheese production, by arranging the collecting assembly, the function of rapidly taking out congealed milk blocks is achieved, the cheese taking speed is high, the cheese taking efficiency is high, the production efficiency is improved, by arranging an electric telescopic rod and a lifting plate, vertical movement of a motor, a stirring plate, a vertical rod and a fixing ring is facilitated, and it is prevented that when the milk blocks are taken out, the milk blocks cannot be easily taken out. The motor, the stirring plate, the vertical rod and the fixing ring influence taking out.

This utility model discloses a mixing device for soft ceramic raw materials, relating to the field of mixing devices. It includes a base plate, with a mounting bracket for fixing a container installed at the front end of the base plate. An upwardly protruding support rod is welded to the top of the base plate, and a mounting box is installed on the top of the support rod. A first drive mechanism and a second drive mechanism are installed inside the mounting box. A stirring mechanism extending to the center of the container's inner cavity is installed at the output end of the first drive mechanism, and a crushing mechanism extending to an eccentric position within the container's inner cavity is installed at the output end of the second drive mechanism. This utility model, by setting up a first drive mechanism and a second drive mechanism, synchronously drives the stirring mechanism and the crushing mechanism to rotate, with one rotating at a slower speed and the other at a faster speed. This allows for further crushing of the raw materials being mixed, ensuring the uniformity of the mixture.

This invention relates to the technical field of automotive parts assembly, specifically to an assembly and inspection system for an interior headliner handle. The system includes an assembly table, a track, a movable clamping platform, a first drive unit, a second drive unit, and a state switching mechanism. The movable clamping platform includes a lower clamp and an upper clamp rotatably connected to the lower clamp. The state switching mechanism is connected between the second drive unit and the upper clamp, and includes a main cylinder, a connecting rod, and a shape memory alloy element. In this application, when the equipment is powered off, the shape memory alloy element instantly contracts to release the locking effect on the flexible head, achieving purely mechanical rapid power-off protection. This effectively alleviates the technical problem of workpiece damage caused by the inability to release clamping force in time during power outages. It has the outstanding advantages of fast response speed and high reliability, effectively avoiding handle indentations, pinch marks, and damage to the headliner assembly, significantly reducing product scrap rate and production costs.