123 results about "Jump phenomenon" patented technology

The invention discloses an SOC (State Of Charge) compensation method for a power battery. The method comprises the following steps: after a vehicle is powered on, acquiring a power-off SOC at the previous power-off moment and using the power-off SOC as the current power-on SOC; determining whether the condition of correcting an open-circuit voltage is met; if meeting the condition of correcting the open-circuit voltage, inquiring an OCV-SOC parameter relation table, thereby acquiring a corrected SOC; using a difference of the power-on SOC and the corrected SOC as a to-be-compensated SOC; in a running process of the vehicle, calculating the current SOC according to an ampere-hour integral method and compensating for an SOC value for the current SOC on the basis of driving mileage according to the to-be-compensated SOC till completing the SOC value compensation or the power-off of the vehicle; when the vehicle is powered off, storing the current SOC as the power-off SOC at the power-off moment. According to the invention, the accuracy of the SOC value is guaranteed and the problem of inconsistency of the power-off SOC and the power-on SOC is solved, so that the SOC value jump phenomenon can be avoided and the driving experience can be effectively improved.

The invention provides a pressure control method and control device for an air conditioner and the air conditioner. The pressure control method for the air conditioner comprises the steps that 1, therunning mode of the air conditioner is detected; 2, the air exhaust pressure and the air return pressure of a compressor in the air conditioner are detected; and 3, the rotation speed of an outer fanand an inner fan in the air conditioner is controlled according to the running mode of the air conditioner, the air exhaust pressure and the air return pressure. According to the pressure control method and control device for the air conditioner and the air conditioner, the unit running pressure is continuously detected, the rotation speed of the outer fan or the inner fan is correspondingly adjusted according to comparison of the air exhaust pressure and the air return pressure with a preset value, therefore, the unit running pressure is in an appropriate range value, and the unit jumping phenomenon caused by high-pressure protection or low-pressure protection is prevented; and the control method is high in accuracy, has no delay and is simple and reliable.

The invention discloses a method for quickly measuring circuit power consumption, wherein a power supply circuit in a circuit to be measured is designed by adopting a voltage stabilizer and the insideof the voltage stabilizer realizes voltage-stabilizing output by a negative feedback principle; and a path of voltage-stabilizing source is added at a voltage output end of the voltage stabilizer, the output voltage Vext of the voltage-stabilizing source is higher than the practical output voltage Vout of the voltage stabilizer, the output current Iext of the voltage-stabilizing source is read and the circuit power consumption is calculated by substituting the Vext and the Iext in a formula P=Vext*Iext. Under the conditions that wire jumping phenomenon does not occur and any devices on a circuit board are not taken off, the method for measuring circuit power consumption can quickly, accurately and non-destructively measure the current consumption conditions of a plurality of power domains, thereby calculating the power consumption of various paths of submodules to be measured or subsystems to realize quick positioning and confirmation of abnormal power consumption problem and furtheraccelerating the research and development and maintenance speed of electric appliances.

The invention discloses a PWM driving method for displaying and driving an LED, which belongs to the field of LED driving control and solves the problems of jumping phenomenon, communication bandwidth occupation and more circuit resources during brightness adjustment in the conventional LED driving control technology. The PWM driving method comprises the following steps: generating corresponding waveform signals with different duty ratios according to received 8-bit PWM data; and driving the LED according to the generated waveform signals with the different duty ratios. The method for directly driving the LED for PWM control waveform through the generated waveform signals with variable duty ratio implements smoother brightness adjustment for the LED through fewer control bits, and greatly reduces the requirement on the communication rate.

The invention discloses a method for improving the packaging performance of an electrowetting device and the electrowetting device. A layer of attaching material good in hydrophobicity is arranged on the surfaces of pixel walls of a packaging attaching area, the problems that when a high-hydrophilic material is adopted to prepare the pixel walls to avoid the ink jumping phenomenon, the attaching performance of a rubber frame and the pixel walls is poor, and the packaging sealing performance is not good can be solved, an obtained packaging device is more reliable in quality, ink jumping is avoided, and the packaging sealing performance is guaranteed. Furthermore, the attaching material can cover the intersection of the longitudinal pixel walls and the transverse pixel walls, supporting columns are formed, and a series of display problems caused when base plates are bent due to gravity or stress are prevented. The method is simple in technology, low in cost and easy to control, and the obtained electrowetting device has superior packaging performance.

A spin coating apparatus is provided. The spin coating apparatus includes a ring-shaped or polygonal member. An upper portion of the ring-shaped or polygonal member has an inclined portion extending downward and outward, and an inner portion of the inclined portion is adjacent to or in contact with an outer edge of a substrate. An inner side surface of the ring-shaped or polygonal member is inclined downward and outward. When a surface of the substrate is coated with a coating solution using the spin coating apparatus, a ski-jump phenomenon occurring at an outer edge of the substrate can be reduced and contamination of the substrate due to the coating solution can be prevented.

The present invention provides a developer suitable for a hybrid developing device which may provide a high-quality clear image by suppressing the occurrence of a ghost phenomenon, the occurrence of a carrier-jumping phenomenon and the occurrence of a current leaking phenomenon, and an image forming method which uses such a developer. In a developer which is used for a hybrid developing device which includes a developer transporting body for charging the developer containing carrier and toner while holding magnetism and a developer carrying body for transferring the toner thereto from the transporting body and for forming a thin toner film on a surface thereof, and which is for applying a developing bias to the developer carrying body so as to form a latent image of a latent image carrying body, a specific resistance of the carrier is set to a value which falls within a range of 1×109 to 1×1012 Ω·cm, the saturation magnetization of the carrier is set to a value which falls within a range of 36 to 60 emu / g, and a specific resistance of the toner is set to a value which falls within a range of 1×1013 to 1×1016 Ω·cm.

The invention relates to a road-bridge transition section structure of a high-grade highway suitable for a short construction period condition in a cold region, and belongs to the field of highway construction. The road-bridge transition section structure comprises a bridge abutment and a roadbed, wherein a bridge is arranged on one side of the bridge abutment; the other side is connected with a highway through the roadbed, namely the roadbed is arranged on the highway side of the bridge abutment; and the roadbed comprises a foundation, a soil matrix, a pavement structure layer and a butt strap. The road-bridge transition section structure is characterized in that the foundation is lower than the base of the bridge abutment; the top surface of the foundation is flush with the bottom surface of the base of the bridge abutment; the soil matrix is arranged on the roadbed; the pavement structure layer is arranged on the soil matrix; the butt strap is embedded into the pavement structure layer; and the upper plane of the butt strap is flush with the pavement of the pavement structure layer. According to the road-bridge transition section structure, the jumping phenomenon which is easily generated when a car passes through the highway bridgehead in the cold region is solved; the driving safety of the car is improved; the operational performance of the high-grade highway is improved; and the service life of the high-grade highway is prolonged.

The invention provides a white balance adjusting method, a device and a mobile terminal. The white balance adjusting method comprises the steps of dividing an image to different areas according to color temperature scenes; respectively calculating the white balance of each area; and performing white balance adjustment on a corresponding area according to the white balance calculating result of each area. When the mobile terminal which uses the white balance adjusting method performs photographing in a hybrid color temperature scene, automatic identification on the color temperature scene in animage is performed, and furthermore area dividing is performed on the image based on the color temperature scene. After a photographing operation is performed, the mobile terminal automatically calculates the white balance result of each area, and furthermore the white balance of each area is adjusted, thereby obtaining a picture with an ideal white balance effect. Furthermore, the mobile terminal can perform white balance smooth transition on the boundary of each area, thereby preventing white balance jumping phenomenon.

The invention provides a construction method for installing a bridge expansion joint. The method comprises the following steps of: protecting the expansion joint before a deck is paved; spreading surface asphalt concrete; grooving the expansion joint; determining the installation time and the installation temperature of the expansion joint; positioning and regulating the expansion joint; welding the expansion joint; and pouring concrete to the expansion joint. The invention has the advantages that: the bridge expansion joint installation method is used for expansion joint flatness control construction; by actual engineering detection, the flatness of the expansion joint is basically controlled to be 1 to 2 millimeters, and the qualification rate reaches 100 percent; and the construction quality of the expansion joint is effectively improved, the driving comfort is improved, the jump phenomenon is reduced, and a good effect is achieved.

The embodiment of the invention discloses a video coding method and a related product, and the method comprises the steps: obtaining first video data; determining a first target configuration parameter which corresponds to the first video data and is used for realizing software coding; and encoding the first video data according to the first target configuration parameter to obtain second video data. By adopting the embodiment of the invention, the block effect of the intra-frame flat region can be improved, the picture jumping phenomenon during inter-frame transition is relieved, and the userexperience is improved.

The invention discloses a space-time combination based dynamic scene stereo video matching method. According to the method, the affine transformation motion of continuous video frames is modeled, a time domain relation among the continuous video frames is created, and a parallax value is selectively optimized by utilizing the geometric correlation between a left view and a right view according to the smoothness constraint for the parallax change of the time domain overlapped segmentation blocks among the continuous video frames on the basis of color segmentation, so that mismatching and parallax jumping phenomena caused by instability of color segmentation blocks in the traditional stereo video matching process are avoided, and a finally-obtained parallax video is more accurate and stable on a timer axis. The space-time combination based dynamic scene stereo video matching method can be used for effectively reducing the jumping phenomenon of the parallax video, well correcting the dismatching introduced to color segmentation and obtaining a more accurate parallax video result.

The invention discloses an intelligent canteen queuing management system based on a face recognition technology. The system comprises a camera, a face recognition module, a comparison unit, a database, a central processing unit, a storage module, an efficiency analysis module, a display screen, a detection module and a timing module. The camera is used for monitoring the condition of the canteen in real time and automatically acquiring image information. The camera is used for transmitting image information to the face recognition module. The face recognition module receives the image information transmitted by the camera and carries out face recognition on the image information. The face recognition module transmits the recognized face information to the comparison unit. Through the arrangement of the efficiency analysis module, the detection module and the timing module, the queue trend in front of the meal serving window in each period of time can be conveniently analyzed and calculated, whether the queue jumping phenomenon occurs or not is judged according to the position change of each diner, the time is saved, the queue order can be better maintained, and the contradiction between diners is avoided.

The invention discloses a method and a system for treating information safety. The method comprises the steps that matching is carried out in databases respectively according to retrieval keywords and a corresponding search result list thereof used in a search engine, wherein the database pre-stores preset keywords and one or more utilized search results corresponding to the preset keywords; the utilized search results are identified in the search result list according to the matching results; and the utilized search results in the search result list are subjected to safety treatment. According to the method and the system for treating information safety, search results having changes and / or search results having jump phenomena are identified, a user is informed of the search results with the potential risk or the search results are even directly filtered out, so that the effectiveness and safety of search results are greatly improved.

The invention discloses an assembly method of a timing chain in the technical field of chain assembly. The assembly method comprises the steps of sleeve sorting, pin shaft blanking, centerless grinding, pin shaft sorting, inner and outer piece blanking, inner piece string checking, chain assembly, lower section pre-stretching, length measurement, ring head closing, rolling inspection, cleaning, oil removal and packing. Raw materials with defects on the surfaces are eliminated in the raw material selecting phase to greatly improve the pass percent in the raw material primary production phase; through the procedures of lower section pre-stretching, ring head closing and finished product length measurement, the pass percent of timing chain products is guaranteed; inner and outer chain platesof the timing chain and a cover plate are riveted through cover pieces to guarantee flexibility of each chain link of the timing chain and to prevent the tooth jumping phenomenon; and the assembly method of the timing chain prevents the defects of high operation difficulty, low assembly efficiency and easy generation of wrong operations in a traditional chain assembly method through pairing and marking, and is flexible and accurate in assembly mode and high in assembly efficiency.

A short-arc high pressure discharge lamp with a shorter distance between electrodes than a conventional lamp that realizes a long life of at least 3000 hours and suppresses the arc jump phenomenon is disclosed. In the high pressure discharge lamp, an electrode tip 124 is transformed into a semi-sphere by fusing and processing an electrode rod 122 and a coil 123 wound around an end of the electrode rod 122. A thickness "de" and a diameter "Øe" of the semi-sphere are each set in a range predetermined in correspondence with a power input (W) of the short-arc high pressure discharge lamp.

The invention provides an unmanned aerial vehicle control method and device and a computer readable storage medium. The method comprises the steps that current environment parameters are acquired; according to a pre-constructed mapping relation between the environment parameters and a limit value of the battery power, a limit value of the battery power corresponding to the current environment parameters is acquired, and the limit value of the battery power corresponding to the environment parameters is used for representing a critical value of the battery power when the electric quantity jumping phenomenon occurs under the environment parameters; the flight power of an unmanned aerial vehicle is adjusted to make the output power of a battery of the unmanned aerial vehicle not exceed the limit value of the battery power corresponding to the current environment parameters. According to the method, it can be avoided that environment factors cause the electric quantity jumping phenomenon occurring on the battery of the unmanned aerial vehicle, and the stability and reliability of power supplying of the battery of the unmanned aerial vehicle are effectively ensured.

The invention discloses a preparation method of a Nb3Al superconducting wire precursor. Firstly, a Nb foil and Al foil laminated layer, a Cu barrier layer and a Nb protective layer are sequentially wound on a Nb rod and extruded into a Nb-Al single-core rod; then a plurality of Nb-Al single-core rods are inserted into a clad Cu tube, welded and sealed, then subjected to extrusion, drawing and etching to remove Cu to obtain the Nb3Al superconducting wire precursor. The invention avoids the magnetic flux jumping phenomenon during the using of a Nb3Al wire by adding the Cu barrier layer inside the single core wire. By winding the Nb layer outside the Cu barrier layer, the Cu barrier layer can be protected from damage during processing, and the Cu barrier layers of all core wires can be prevented from being connected with each other to form a connected network during the heat treatment of the wires, which reduces the uniformity of wire cross-sections, resulting in ununiform Nb3Al superconducting wire current carrying capacity.

The invention discloses a fuzzy adaptive PID control method for a fuel cell voltage. The method comprises the following steps of setting up a dynamic model of a fuel cell; carrying out a step responsetest on the dynamic model of the fuel cell, carrying out transfer function identification based on obtained response data through adoption of a least square method, and carrying out parameter settingof a PID controller through utilization of an identified model; and designing a fuzzy controller, carrying out fuzzification on the fuzzy controller according to a voltage error and a change rate ofthe voltage error, carrying out fuzzy reasoning and defuzzification according to a fuzzy rule, thereby obtaining correction parameters, and correcting a proportion coefficient and an integral coefficient, wherein differentiation action is realized according to a differentiation forward algorithm. According to the method, influence of fuel cell nonlinearity can be effectively suppressed, overshootis reduced, transition time is reduced, an integral saturation phenomenon and a jump phenomenon of differentiation action are overcome, and ideal control performance is achieved.

The invention provides a control system and method of a vehicle and the vehicle. The control system comprises a signal receiving device, a distance measuring device, a driving device and a controller, wherein the signal receiving device is used for receiving traffic light signals, the traffic light signals comprise traffic light state information, the distance measuring device is used for obtaining the distance from the vehicle to a sidewalk, and the driving device is used for driving wheels of the vehicle; and the controller is connected with the signal receiving device, the distance measuring device and the driving device and used for controlling the driving device to drive the vehicle to pass through an intersection or be parked on the sidewalk according to the traffic light state information and the distance between the vehicle and the sidewalk when the vehicle enters an automatic driving area. According to the control system and method of the vehicle and the vehicle, all vehicles can be automatically controlled to be started and stopped synchronously at the traffic intersection, the queue-jumping phenomenon is avoided, so that the vehicle passing time is shortened, fuel consumption is reduced, and the driving safety is improved.

Provided is a spin coating apparatus having a ring-shaped or polygonal auxiliary member for use in manufacture of a coated substrate via spin coating, wherein the auxiliary member is positioned adjacent to the side of a substrate for coating, within a range of a spaced distance of 0.03 to 0.8 mm and a range of a height deviation of less than 0.1 mm, upon mounting the substrate. When a surface of a substrate for coating is spin coated with a coating agent using the apparatus of the present invention, it is possible to eliminate or effectively reduce a ski-jump phenomenon at end portions of a coated substrate occurring when spin coating is performed, thereby resulting in uniform coating of a coating solution on the substrate, and it is also possible to effectively decrease contamination of the substrate for coating due to inflow or stay of the remaining coating agent.

The invention discloses a torsional vibration damper for a shafting system. The damper mainly comprises a driving end, a driven end and an elastic mechanism, wherein the driving end comprises a shell I, a shell II, a drive block and a stop pin; a driven disc which is connected with a driven system through an internal spline is named the driven end; the driving end is supported at the driven end through a sliding bearing; the driving end can be rotated relative to the driven end; the elastic mechanism is connected between the driving end and the driven end; and a buffering vibration reduction element in the elastic mechanism is not the conventional single-stranded spiral spring, but consists of a multistrand spring unit. In the invention, the multistrand spring unit is used as the buffering vibration reduction element of the torsional vibration damper for the shafting system, so that the rigidity jump phenomenon existing in the torsional vibration damper which is widely applied at present is eliminated, and the torsional vibration damper has a better buffering vibration reduction effect; in addition, the novel torsional vibration damper has the characteristics of simple structure, long service life, high transmission efficiency and capability of transmitting high torque, so that the damper can be widely used in the shafting system.

The invention discloses variable-focal-length eyeglasses based on liquid crystal lenses and relates to the field of eyeglasses. Each eyeglass comprises a double-diopter lens for correcting eyesight, the double-diopter lens comprises a first lens substrate, a second lens substrate, a liquid crystal layer which fills the portion between the first lens substrate and the second lens substrate, and a liquid crystal attachment frame which is arranged on the periphery of the liquid crystal layer; a first electrode layer and a second electrode layer are arranged on the inner sides of the first lens substrate and the second lens substrate respectively. According to the variable-focal-length eyeglasses, voltage is applied to electrodes, liquid crystal is controlled to rotate, the refraction rate isswitched, and the aim of controlling the diopter of the lens is achieved. The variable-focal-length eyeglasses have no interval, are attractive in appearance, and have no prism jumping phenomenon, when a user observes distant objects, the eyeglasses can be switched to high-degree eyeglasses, when the user observes near objects, the eyeglasses can be switched to low-degree eyeglasses, and the eyesight of the user is improved. No supporting column is adopted, the influence of the supporting column to the refraction rate is avoided, the refraction rate of all areas can be balanced, and the uniformity of the diopter of all areas of the lenses is effectively improved.

The invention discloses a method and device for processing output of a rotation coding switch. The method for processing output of the rotation coding switch is characterized by comprising steps of scanning an A signal and a B signal of the rotation coding switch, switching the state value of the rotation coding switch to a stable right rotation preparation state or a stable left rotation preparation state if that the A signal is a low level and the B signal is the high level are continuously scanned for n times or that the A signal is the high level and the B signal is the low level are scanned for n times, and correspondingly determining that the rotation coding switch enters the right rotation state or the left rotation state and retuning the right rotation key value or the right rotation value if that the A signal and the B signal are low levels is continuously scanned for n times in the stable right rotation preparation state or the stable left rotation preparation state. The schemes of the method and device for processing output of the rotation coding switch can prevent a key-jumping phenomenon due to interference during the process of rotating the rotation coding switch.

Disclosed is an expansion device of a bridge steel cover plate. A plurality of pairs of positioning anchor plates are arranged on the two sides of an expansion joint and are all welded with anchor steel bars. A first bearing beam and a second bearing beam are arranged on the two sides of the expansion joint on a bridge abutment or a beam body respectively and are welded and fixedly connected with one ends of the positioning anchor plates, the top end of the first bearing beam and the bottom face of a cross-joint cover plate are welded and fixed, and the top of the second bearing beam and the bottom of the cross-joint cover plate are in movable contact. A deformable steel elastic body is arranged between the first bearing beam and the second bearing beam in the length direction of a bridge, and the two ends of the steel elastic body in the length direction of the bridge are fixedly connected with the first bearing beam and the second bearing beam respectively. Under the vehicle-mounted impact, the cross-joint cover plate is visual in structural stress, simple, safe and reasonable, the vehicle jumping phenomenon is obviously reduced compared with an existing expansion device, and it is guaranteed that the expansion device can be safely used under various deformation functions. Transmitted force between beam bodies at a beam joint is small, the steel elastic body provides support for a waterproof structure, and mounting is simple, quick and convenient.

A pre-deployable annular deployable truss structure for driving rope tensioning management belongs to the field of satellite-borne large deployable antennas and comprises a novel sliding deployable hinge, a fixed hinge, a driving rope, a driving rope pulley, an elastic tensioning mechanism and the like. The novel sliding deployable hinge can slide up and down along a vertical rod (guide rail). Andan elastic driving device is added in the fixed hinge, so that the annular deployable truss mechanism can be pre-deployed to a relatively large caliber, and the deploying power in the later electricdeploying process is greatly reduced. Meanwhile, according to the related driving rope tensioning management method, through the elastic tensioning mechanism and a tensioning connecting element, it isguaranteed that the driving rope is always in a tensioning state in the pre-deploying process, and it can be guaranteed that the driving rope is free of the wire jumping phenomenon, hooking and winding possibility in the annular antenna deploying process. According to the method, a driving tensioning idea and a technical principle that the driving rope pulley is separated from the sliding deployable hinge in motion are mainly utilized to ensure that the driving rope of the antenna is tensioned and does not loosen in a pre-deploying process. The pre-deployable annular deployable truss structure is simple in structure, easy and convenient to operate and high in reliability, can be popularized and applied to various rope anti-jumping fields, and has a wide application prospect.

The invention discloses a sherardizing furnace which comprises a rotating motor, an electric furnace, an electric furnace bogie frame, a charging barrel and a charging bogie frame. The electric furnace is a split type electric furnace which is arranged above the electric furnace bogie frame and covers the periphery of the charging barrel; disengagement and engagement of the electric furnace can be realized through an electric furnace bogie track; the electric furnace can be turned on and off through an eccentric handle; and a counterweight case is arranged below the outer side of the electric furnace. The rotating motor is arranged on a rotating motor support based on a charging bogie; traveling wheels and a traveling motor are arranged below the charging bogie; the traveling wheels of the charging bogie are connected with a charging bogie track; and the rotating motor support and a charging barrel riding wheel support are arranged on the traveling wheels of the charging bogie. Bearing barrels joined with the charging bogie through the riding wheels are arranged at two ends of the charging barrel, a cover is arranged at one end of the charging barrel; and the bearing barrel at the other end of the charging barrel is provided with a transmission wheel which is joined with a cogwheel on the shaft of the rotating motor. The sherardizing furnace is simple in structure and convenient to use and maintain; the electric furnace is convenient to turn on and off; and the charging barrel is smooth in operation and no longer has jump phenomenon, therefore the production process is safe.

The invention discloses a brushless joint-control motor soft starter used for a wound-type alternating-current asynchronous motor. Compared with the conventional brushless self-control soft starter, the brushless joint-control motor soft starter has the characteristics that: the joint sequence control of a water resistor, a shorting switch and a safety exhaust valve avoids a liquid spray phenomenon; 2, the water resistor adopts a graphite pole plate and is contacted before the shorting circuit, so that the electro erosion of the pole plate of the water resistor is reduced, the phenomenon of the fusion welding of a moving contact and a fixed contact of the shorting switch is avoided; 3, the on and off states of the shorting switch are controlled by two units respectively, so that the jumping phenomenon of the moving contact and the fixed contact is avoided, and the contact pressure of the contacts is improved; 4, the contact time of the shorting circuit and the water resistor can be conveniently regulated after leaving a factory, so that the adaptability is improved; 5, a safety valve and an exhaust valve are integrated and are linked with the shorting switch, so that the number of seal surfaces is reduced and the starter is convenient to maintain; and 6, according to different users, different implementation modes can be adopted, and the manufacturing cost is reduced.

The invention discloses a tooth profile of a narrow-grooved milling cutter, belonging to a design technology of cutters and relating to an improvement on a narrow-grooved milling cutter. The tooth profile of the narrow-grooved milling cutter is characterized in that the narrow-grooved milling cutter has the cutterhead diameter d being 20-60mm, the tooth number being 8-12, the tooth groove angle theta being 50-60 DEG, the tooth groove depth h being 3-8mm, the rake angle gamma being 5-10 DEG, the primary relief angle beta being 12-18 DEG, the secondary relief angle alpha being 20-30 DEG and the margin width f being 0.8-1.2mm, and the side clearance angle delta arranged on two sides of the width of a cutterhead and from a knifepoint to the inner side of a cutter body is equal to 15'-1 DEG. By using the tool profile of the narrow-grooved milling cutter, smooth chip removal is realized, the cutter blade jumping phenomenon is avoided, the durability of the milling cutter is improved, and the surface roughness and the processing efficiency of a product are increased.