99results about How to "Solve the jump" patented technology

The invention discloses a method and a device for the calibration of battery voltage sampling and comprises the following steps: the invention uses a sampling module of the equipment which uses the battery for implementing the output voltage sampling of a controllable voltage source and acquires a reference sample value, and the output voltage of the controllable voltage source is recorded as a flag voltage value which forms a voltage reference point together with the reference sample value acquired from the voltage sampling, and then the invention changes the output voltage of the controllable voltage source for carrying out the sampling once again, thus acquiring a plurality of voltage reference points; the invention acquires the sampling value of the battery voltage through the battery voltage sampling, and computes the battery voltage through the sampling value of the battery voltage, the reference sample value in the voltage reference points which is close to the sampling value of the battery voltage and the flag voltage value which is corresponding to the reference sample value. The method can solve the problems of inaccurate sampling and oscillation when an on-chip analog-to-digital conversion module which has comparatively poor performance is used for the battery voltage sampling, and prevent the value offset problem which is introduced by the on-chip analog-to-digital conversion module.

The invention relates to a novel method for solving the problem of vehicle bump at bridge head, which is concretely implemented as follows: setting a transition zone between a rigid bridge abutment and a soft subgrade, arranging an adjustable box structure in the transition zone, and adjusting the gradient (line shape) of a cover plate above the box structure in the transition zone by an adjustable support when the subgrade sedimentates unevenly, thus rapidly and conveniently smoothing the road surface at the connecting part of the transition zone and the subgrade so as to eliminate the hidden danger of the vehicle bump at bridge head caused by uneven sedimentation of the rigid bridge abutment and the soft subgrade.

The invention discloses a video image haze-removing processing method, which can meet a real-time haze-removing function, and meanwhile, can effectively eliminate flicker of video images obtained after haze removing. The method comprises the following specific steps: calculating atmosphere optical value of each frame image through a dark channel and a self-adaptive adjustment method; calculating initial transmissivity of a first frame image through a dark channel apriori algorithm; constructing an inter-frame transmissivity estimation and neighborhood space energy function, and calculating optimal transmissivity value of each region block; refining the initial transmissivity through a quick guide filtering algorithm; and obtaining the video images after haze removing through a haze-removing model.

The invention discloses a method for processing vehicle bump at a bridge head of an existing highway, and the method comprises the following steps: mixing lightweight materials at a construction site; drilling holes from embankment slopes on both sides of the highway, and automatically discharging soil outward from a threaded opening while rotatably drilling holes; after a designed depth reaches, rotatably and slowly pulling out a drill rod, and starting a booster pump so as to pump the lightweight materials into the obtained drill holes by virtue of a central tube of the drill rod; and jetting the lightweight materials from the central hole of the drill rod so as to gradually fill the hole from bottom to top, thereby replacing the filled soil of an embankment. The drill holes are arranged squarely or quincuncially on the side slope of the embankment, a certain included angle is formed between each drill hole and a horizontal plane, and the elevation of the opening of each hole is positioned below a pavement structure layer and above the underside of the filled soil of the embankment. By using the method disclosed by the invention, the weight of the embankment is greatly reduced, thereby reducing the settlement after construction caused by embankment loads and then effectively solving the problem of vehicle bump at bridge heads. During the construction period, the highway is not required to be closed, therefore, the normal traffic of the highway is not affected. The method disclosed by the invention is simple in construction process, convenient to operate, simple in equipment, economical, and high in efficiency.

The invention discloses a multi-Kinect-based human body gesture data fusion method. A data collection system which contains multiple pieces of Kinect is constructed to collect human body gesture bone information, data fusion and data prediction are independently carried out by aiming at a category of collected information so as to obtain the integral human body gesture bone information, and the problem of incomplete detection bone data due to the jump of bone data since the Kinect is interfered or posture deficiency caused by the self occlusion of a figure can be avoided so as to bring convenience for posture recognition, human-computer interaction, virtual reality and the like in post processing.

The invention relates to a synchronizing method for host parameters of a triple redundancy control system, belonging to the redundancy control field and adopting a method of point-to-point request-response combining timestamp to carry out the parameter synchronization to two hosts in the system. The synchronizing method is as follows: after initialization, a new power up host judges whether other host is on line at first. If other host does not on line, operating according to parameters directly and outputting; if other host is on line, sending a request packet to the host, and the request packet comprises a timestamp T1 when the packet leaving; and then the online host receives the request packet and fills a time stamp T2 when the packet arriving, the parameters that need to be synchronized is packed, a time stamp T3 when a respond packet leaving is filled in and is sent back to the new power up host; the new power up host receives the respond packet and fills a time stamp T4. According to the four timestamps, the network delay (T4 minus T3) from sending the respond packet by the online host to receiving by the new power up host and a clock excursion theta between two hosts are calculated, and a synchronic parameter is corrected by the value of (T4 minus T3) plus theta. The method of the invention eliminates the affect of clock excursion and network delay to the parameter synchronization, solves the output change when the system host switches and ensures the stability and reliability of the system.

The invention provides a method and a structure used for handling a highway bridgehead bumping problem. According to the invention, based on road load and foundation conditions, a pile group variable-stiffness program satisfying bridgehead subsidence control requirements is designed. A foundation reinforcement treatment is carried out by using common bored piles, such that bearing capacity of shallow foundation is improved, and subsidence is reduced. Through the gradual reduction of pile length, pile diameter and pile density in a group pile foundation, group pile base heterogeneous distribution is realized, and group pile foundation stiffness smooth variation is formed. Compared with prior arts, with the method and the structure provided by the invention, the bridgehead bumping problem is effectively solved. Construction facility and construction process are simple. Construction cost is low. The requirement for group pile foundation pile strength is relatively low.

The present invention discloses a numeric control code compiler, and also discloses a method for creating numeric control system software by using said numeric control code compiler. It is characterized by that it includes the following several steps: (1), constructing PIDP_NC code compiler; (2), in upper-position machine adopting PIDP_NC code compiler to compile NC program into object code file with specific data format and complete sequence execution signification; (3), upper-position machine can feed the PIDP object codes into lower-position machine circulation buffer zone in batches according to sequence; and (4), lower-position machine can read out PIDP object codes from circulation buffer zone according to sequence, identify the data in PIDP and judge the significance correspondent to NC command, at the same time obtain correspondent data and call correspondent motion control function according to significance of command so as to implement processing control.

The invention belongs to traffic engineering, in particular to the field of highway construction, and in particular relates to a variable rigidity treatment system for vehicle jumping at a bridge head of a highway. According to different treatment objects and settlement control standards, a foundation is reinforced by adopting treatment modes of a pile foundation, a long and short combined rigid pile composite foundation and a long-plate short-pile combined loading foundation. For a bridge abutment foundation, the vertical rigidity of a pile foundation of the bridge abutment foundation is properly reduced, and the settlement of a bridge self is controlled in the allowable range of the bridge self; for a bridge head foundation, the treatment technology of the long and short combined rigid pile composite foundation is adopted, and a rigid pile can be selected from a low-strength concrete pile, a CFG pile or a prestressed tubular pile and the like according to the concrete engineering requirements and geological conditions; and after leaving a certain distance from the bridge abutment, the foundation is reinforced by adopting the treatment mode of the long-plate short-pile combined loading foundation, the bearing capacity of a shallow foundation is improved and the settlement amount is reduced by using short piles (cement-soil piles or low-strength piles), and a drainage concretion process of soft soil under the pile bottoms is quickened by combining an upper loading system through a plastic drainage board so as to achieve the aim of shortening the construction period and reducing post settlement or differential settlement.

The invention belongs to the technical field of cigarettes and particularly relates to a tipping paper placing device. The tipping paper placing device comprises a box body, a paper disc shaft, a brake arm and a swing arm, wherein the paper disc shaft is arranged on the box body, the rotating speed of the paper disc shaft can be controlled by the brake arm and the swing arm, one end of the brake arm is arranged on the box body, the other end of the brake arm is connected with one end of the swing arm capable of driving the brake arm to rotate, and the middle of the brake arm is attached to the surface of the paper disc shaft; the swing arm is arranged on the box body, the two ends of the swing arm can swing up and down, and the other end of the swing arm is connected with tipping paper in a sleeving way. According to the tipping paper placing device, the swing arm and the brake arm are additionally arranged, the tension of the tipping paper can be automatically adjusted, the rotating speed of the paper disc shaft can be controlled, and the phenomenon that the tipping paper skips and deviates due to the inconsistent length of the tipping paper in the paper placing process is solved. The tipping paper placing device has the advantages of reasonability in design, simplicity in structure, convenience in use, easiness in realization, reduction in defective rate and improvement in work efficiency.

The invention relates to the technical field of preparation equipment, in particular to a novel concentrating table, and discloses a concentrating table with the bottom capable of sliding. The concentrating table with the bottom capable of sliding is stable in movement and small in floor space and comprises a transmission case, a motor, a gradient regulation device, a table surface, an ore tank, a water tank, a connection screw and a machine base, wherein the motor drives the transmission case, the table surface is arranged on the gradient regulation device arranged on the machine base, and the ore tank and the water tank are arranged on the table surface. The concentrating table with the bottom capable of sliding is characterized in that the transmission case and the motor are arranged on a frame at the lower portion of the table surface, the connection part of the transmission case and the table surface includes a connection mechanism and a stabilizing mechanism, and the connection mechanism comprises a connection plate welded to the bottom of the table surface, a connection shaft and a linkage seat.

The invention discloses a time stamp generating method and a time stamp generating device of a real-time transmission protocol system. When system time is not modified, a time difference between a current time value and a last time value is calculated, and the time difference is added to a last time output value to be used as a current time output value. When time hopping occurs, the time difference is not calculated, and the last time difference is added to the last time output value to be used as the current time output value. A time output value of a current data frame is multiplied by a data sampling rate to acquire the time stamp of the current data frame, and therefore a problem of time stamp hopping caused by the modification of the system time is solved, and the generating error of the time stamp is reduced.

The invention relates to a method for sharpening a broach for processing a turbine wheel disc blade root groove, and relates to a method for sharpening the broach, for solving the problems that the working stability of a conventional sharpened broach of the turbine wheel disc blade root groove is degraded, the service life of the broach is shortened, and the precision of the processed turbine wheel disc blade root groove is degraded. The method comprises the following steps: 1, mounting the broach onto a broach grinding machine; 2, measuring a highest point of a rear cutter surface of a cutter tooth, grinding a front cutter surface of a cutter tooth of which the abrasion is smaller than 0.3 mm, wherein the feeding amount of a grinding wheel is 0.01 mm, the rotation speed of the grinding wheel is 3000rpm, and polishing the grinding wheel once after every 100 cutter teeth are polished; 3, firstly, confirming and calculating the grinding amount expected by the front cutter surface of the marked cutter tooth, and forming a concave surface between 2-3 first cutter teeth and a top point of the rear cutter surface from the cuter teeth to 2-3 second cutter teeth. The method is used for sharpening the broach for processing the turbine wheel disc blade root groove.

The invention discloses an improved full-automatic financial binding machine which comprises a rack, an ejecting pin mechanism mounted under a binding table, a lever and a transmission rack of a transmission mechanism connected to the upper portion of the binding machine in a transmission mode. The first end of the lever is in transmission fitting with the ejecting pin mechanism. A lifting control arm is mounted under the binding table. The middle of the lifting control arm is pivoted to the rack. The first end of the lifting control arm is in transmission fitting with the transmission rack. The second end of the lifting control arm is in transmission fitting with the second end of the lever. The improved full-automatic financial binding machine is simple in structure and low in cost; and the problem that impacting, vibration and collision exist during operation of a lever mechanism is solved, the problem of jumping and jamming during rising and falling of a rotating arm is also solved, the lever mechanism and the rotating arm operate stably, and nearly no noise is generated during operation of the lever and the relevant transmission mechanism.

The invention discloses a SOC interval dynamic curve correction method based on a power battery application. The method comprises the following steps that: whether a battery is in a charging state ora discharging state is determined; if the battery is in a charging state, an SOC calibration target is a maximum single SOC; if the battery is in a discharging state, the SOC calibration target is a minimum single SOC; a zone, in which the current SOC and SOC target fall, of a charging-discharging zone table is determined; a follow slope is calculated according to a target value of the charging-discharging zone table and a slope of a dynamic curve is controlled in real time based on the calculated slope; and calculation is carried out based on a current integral and the following slope to obtain a following granularity and the curve granularity is controlled in real time based on the following granularity, so that the SOC is calibrated. Therefore, a problem of SOC hopping after OCV calibration is solved; and the SOC error is reduced.

The invention discloses a transitional device for eliminating vehicle bump at bridge head, which comprises an earth retaining abutment, an overlying slab, an abutment, an end part of an embankment anda plurality of viscoelastic adjustable height supports. Each viscoelastic adjustable height bearing is arranged on the earth retaining abutment, one side of the upper overlapping slab is overlapped on the bridge abutment, the other side of the upper overlapping slab is arranged on each viscoelastic adjustable height bearing and the end part is in contact with the end part of the embankment, the device can effectively solve the vehicle bump problem caused by the uneven settlement of the rigid bridge abutment and the roadbed.

The invention relates to a method for controlling voltage output of a hybrid H-bridge cascaded inverter. The method comprises the following steps of: 1) installing an H-bridge inverter of a direct-current voltage source having 3 voltage stages, wherein the voltage stages of three direct-current buses are represented by low voltage V1=V0, middle voltage V2=2V0 and high voltage V3=4V0, and a total output voltage value V on the alternating-current side of the H-bridge inverter 1 is in accordance with the equation V=x*V1+y*V2+z*V3; 2) presetting an ideal sine wave in a synchronization controller in an inverter system; and 3) controlling an on or off state of a power switch in the H-bridge inverter by the synchronization controller by a voltage stage modulation method or a carrier pulse width modulation method so that a total output waveform on the alternating-current side of the H-bridge inverter approximates to the preset ideal sine waveform. By the method, the switching loss can be reduced and the energy conversion efficiency can be improved.

The invention relates to an SOC estimation method for a power battery. The method comprises the following steps: 1) setting two SOC values, namely SOCTre and SOCDIspace, in a program; 2) storing the SOCTre and the SOCDIspace at the power-off moment, correcting the SOCTre by the BMS at the power-on moment by utilizing the SOC-OCV curve, and continuously sending the SOCDIspace to a vehicle control unit at the moment; 3) when the current collected by the BMS is less than or equal to the current threshold A1, correcting the SOCTre through the SOC-OCV curve; when the current collected by the BMS isgreater than the current threshold A1, calculating SOCTre through an ampere-hour integral method; 4) dynamically adjusting the rate K2 (k) in real time in the charging and discharging process, so theSOCDIspace follows the SOCTre. According to the estimation method, the SOCDIspace gradually approaches the SOCTre under the condition of not jumping in the charging and discharging process to formulate an SOC dynamic following strategy, and the user experience is improved.

The invention is applicable to the motor control field, and provides a starting method and system for a permanent magnet synchronous motor. On the basis of a static coordinate system and a rotor coordinate system that are frequently used in a mathematic model of the permanent magnet synchronous motor, a starting coordinate system is additionally introduced to enable an open loop run phase of the permanent magnet synchronous motor to be operated in the starting coordinate system; a closed loop run phase is converted from the starting coordinate system into the rotor coordinate system, so that the problem of jumping current and rotor speed when the permanent magnet synchronous motor is in transition from the open loop run phase to the closed loop run phase is solved, and the starting process of the permanent magnet synchronous motor can be smoothly and naturally performed; meanwhile, when the starting parameters and loads of the motor are obviously changed, the starting of the permanent magnet synchronous motor is controlled by the starting method and system provided by the invention without affecting the smoothness of the starting of the permanent magnet synchronous motor; and in addition, the starting method is high in robustness and applicable to wide promotion and use.

The invention discloses a road structure for preventing a highway bump at a bridge-head in a soft soil area and a method of the road structure. The road structure comprises an abutment and a road surface located on one side of the abutment. The road surface is sequentially provided with a road surface layer, an embankment and a roadbed from top to bottom. A water sealing layer is arranged betweenthe roadbed and the embankment. A water sealing mechanism is arranged in the side, near the abutment, of the roadbed and defined by multiple water sealing walls connected end to end. The end, near thewater sealing layer, of the water sealing mechanism is embedded in the water sealing layer. Underground water is isolated through a wall body, and the roadbed is kept dry. Moisture of a soft soil foundation can be isolated and effectively stopped, and later settlement of the roadbed can be effectively controlled.

The invention relates to a jointless bridge based on an arc structure arranged behind a bridge abutment and a construction method thereof. The jointless bridge comprises a bridge span structure and a bridge abutment, wherein an arc structure is arranged behind the bridge abutment along the bridge direction, the arc springing at one end of the arc structure is connected to the end wall of a girder or the body of the bridge abutment while the arc springing at the other end is arranged on an independent foundation, and displacement transferred by the bridge span structure is absorbed by deformation of the arc structure. The method comprises the following steps of: 1, independently constructing foundations of the lower part structure of the bridge and the arc structure behind the bridge abutment far away from the bridge end; 2, constructing the upper part structure of the bridge; 3, constructing the arc structure behind the bridge abutment; 4, constructing a waterproof layer at the upper part of the arc structure; 5, constructing soffit packing; 6, paving a bridge deck and a road behind the bridge abutment. The jointless bridge is clear in stress, simple in structure and easy to construct, and can effectively avoid transferring the problem, that the joints at bridge ends are easy to damage, into the rod pavement structure when the bridge is jointless.

The invention discloses a continuous depth datum plane construction method, which comprises the following steps of: firstly, obtaining a seabed geodetic height based on a reference ellipsoidal surfacethrough seabed topographic survey, and obtaining an average sea surface height through an arithmetic mean value of sea level changes within a certain period of time; a sea numerical model is used forcarrying out tide wave motion numerical simulation on the sea surface height, the sea surface height is obtained, then residual water level correction is carried out, finally, the difference value between the seabed geodetic height and the sea surface height is calculated, and a depth reference surface value is obtained. The method is reliable in quality and easy to operate, the continuous depthreference surface value of the positive and negative measurement area can be more accurately reflected, the calculated continuous depth reference surface value is higher in precision, and the method has higher use value.

The invention discloses hardware centerless grinding equipment. The hardware centerless grinding equipment comprises a cylindrical grinding device, a first clamping device, a second clamping device, asecond clamping device and a detection device, wherein the first clamping device is arranged at the feeding position and used for clamping and conveying hardware, the second clamping device is arranged at the discharging position and used for clamping and conveying the hardware, the detection device is used for detecting the outer diameter and the roundness of the ground hardware, the first clamping device is provided with a first feeding belt and a second feeding belt as well as a first clamping assembly used for clamping the hardware, and the second clamping device is provided with a thirdfeeding belt, a fourth feeding belt, a second clamping assembly used for clamping the hardware and a cleaning assembly used for cleaning the surface of the hardware. According to the hardware centerless grinding equipment, the problem of jumping in the grinding process of a long hardware workpiece is solved, and the roundness and the outer diameter of the hardware workpiece are both detected.

The invention relates to a multi-frequency heterodyne phase unwrapping error compensation method, belongs to the field of 3D measurement of structured light, and mainly aims at solving the problem ofjump of pixel points generated by phase unwrapping. Direct roundup of m12 is replaced by m12'(1) and m12'(y+1), and compared with direct roundup of m12, jump points are eliminated completely, a step graph is completely continuous, a phase unwrapping graph of the whole grating stripes is continuous, smooth and jump-free, and a stripe image projection process is not influenced by the environment andis more stable.

The invention discloses a puncher cold correction process, the overall steps of which are as follows: fix the hexagonal end of the puncher on the claw of a pneumatic chuck; test the lowest point of the puncher through a dial gauge, so that Find out the highest out-of-tolerance position on the opposite side, that is, the largest deformation of the hole punch that needs to be corrected; use the pressure lever to correct and shape the highest out-of-tolerance position of the hole punch; detect the beating range of the hole punch , if it is unqualified, repeat the above operation; temper the workpiece of the puncher that has passed the test. The invention not only solves the jumping of the punch in the production and molding process, but also ensures the hardness of the product, can effectively avoid the damage to the hardness of the punch caused by the traditional thermal correction method, and has strong practicability.

The invention discloses a lead screw anti-drooping oil cylinder supporting device of a numerical control machine tool. The lead screw anti-drooping oil cylinder supporting device comprises a lead screw shaft horizontally arranged on a machine tool base, a tail end seat, a transmission seat and a lead screw nut. The tail end seat and the transmission seat connect the lead screw shaft to the machine tool base and are located at the two axial ends of the lead screw shaft correspondingly. The lead screw nut is in threaded connection to the lead screw shaft and is fixedly connected with a workbench in sliding connection to the machine tool base. An auxiliary supporting component supported on the lower portion of the middle of the lead screw shaft is mounted on the machine tool base. The lead screw anti-drooping oil cylinder supporting device can solve the problem that the middle segment of the lead screw shaft of a lead screw of the machine tool droops, and consequently the workbench bounces in the moving process.

The embodiment of the invention provides a method and apparatus for determining a historical trajectory of a terminal. The method comprises the following steps: determining a target time period for generating the historical trajectory of a target terminal; selecting multiple target positioning coordinates within the target time period, wherein the distances between the target positioning coordinates and an AP deployed on a route in advance are smaller than a preset distance threshold; determining multiple paths between each two target positioning coordinates with adjacent times as first suspected routes; calculating the distance between each first suspected route between the each two target positioning coordinates with adjacent times and the target terminal; determining the first suspectedroute having the minimum distance with the each two target positioning coordinates with adjacent times as a first matched route; and connecting the first matched routes to generate the historical trajectory of the target terminal. By application of the method and apparatus provided by the embodiment of the invention, when the offset between the generated historical trajectory and the actual trajectory of the terminal is reduced, the skipping problem of the historical trajectory is avoided, and the user friendliness of the historical trajectory of the terminal is improved.