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31results about How to "Reduce driving hazards" patented technology

System for guiding tunnel road in advance

The invention provides a system for guiding a tunnel road in advance. The system comprises a map data storage module, a driving route planning module, a GPS positioning module, a GPS navigating module, a tunnel entrance detection module, an inside-tunnel positioning module, an inside-tunnel navigating module, a tunnel exit detection module and a tunnel exit prompting module. The system has the advantages that when a vehicle approaches a tunnel, a tunnel entrance position is reported in advance, so that a driver can prepare for entering the tunnel; when the vehicle enters the tunnel and runs inside the tunnel, the vehicle is navigated based on a non-GPS positioning way; when the vehicle leaves from the tunnel, a tunnel exit position is reported in advance, so that the driver can prepare for leaving from the tunnel; therefore, for a road with the tunnel, the system can comprehensively improve the driving safety and reduce driving dangers; in addition, the non-GPS positioning provided by the invention has the advantage of a simple and accurate positioning algorithm.
Owner:SHENYANG MXNAVI CO LTD

Lane departure early warning method and system

Disclosed are a lane departure early warning method and system. The lane departure early warning method comprises the following steps: a vision collector obtaining lane mark line information of a road image, a vehicle body information sensor collecting vehicle body information, providing the lane mark line information and the vehicle body information to an FPGA logic center, and the FPGA logic center determining information of the location of a vehicle in the lane and the direction through conversions; the FPGA logic center providing the information of the location of the vehicle in the lane and the direction to a DSP computing center, and the DSP computing center determining whether an alarm is triggered or not under the current state according to set the early warning conditions; an alarm module receiving the warning information issued by the DSP computing center and performing vehicle body control according to the warning information; and arranging a head-up display HUD on glass in front of the head of a driver, wherein the display at least displays vehicle row parameters, as well as the information of the location of the vehicle in the lane and the direction. The lane departure early warning method and system can assist in the conditions of inattention and the like due to over-fatigue or long-term monotonous driving.
Owner:兴科迪科技(泰州)有限公司

Remote control system for access control system

InactiveCN104574580ASave gasSavings on wear and tearIndividual entry/exit registersRemote controlVideo image
The invention discloses a remote control system for an access control system. The method comprises the following steps: setting a communication module supporting a wireless mobile communication network by using client software installed in a mobile phone, realizing remote control of a mobile communication terminal on the access control system by utilizing the cloud service function based on the 4G wireless mobile network, transmitting on-site real-time video images to the mobile phone, and confirming the applicant information. According to the method, bidirectional real-time transmission between the video and switching value is realized, and the defects that only the door can be opened and the on-site videos cannot be seen or only the on-site videos can be seen and the door cannot be opened in the conventional application are overcome, so that the system provides a perfect solution for accessing remote unattended substations and warehouses.
Owner:ANSHAN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER COMPANY +1

Real-time square surface looking board guidance design method of navigation apparatus

The invention relates to a real-time square surface looking board guidance design method of a navigation apparatus. According to the present invention, the method is achieved through a geographic information reading module, a GPS receiving / positioning module, a path planning module, an intersection guidance data making module, a guidance control module, and a display module; based on different use requirements of users in the two cases of the path with no planning and the path with planning, two sets of real-time image guidance control implementation schemes are designed, wherein the first scheme is real-time image guidance control in the case of the path with no planning, and the second scheme is real-time image guidance control in the case of the path with planning; and the design method has the following advantages that: on the basis of the existing navigation guidance services, innovative functions are provided, real-time, dynamic, intelligent and humanized features are added, defects that the traditional square surface looking board has a fixed position, is immovable, and can not initiatively provide turning prompts for drivers are effectively overcome, and distraction with looking the square surface looking board indication board erected on the roadside is not required during a driving process so as to reduce driving risk and protect safety of personnel and vehicles.
Owner:SHENYANG MXNAVI CO LTD

Road rage vehicle risk assessment and prevention and control method

The invention discloses a road rage vehicle risk assessment and prevention and control method. The invention belongs to the technical field of automobile active safety. The method comprises the stepsof data collection, feature recognition, risk assessment and prevention and control, the collected data comprises video data, audio data, driver intrinsic attributes and an external factor set, emotion types and intensities are output through feature recognition, the emotional state of a driver is evaluated through a dangerous driving risk assessment model, and then prevention and control measuresare taken. According to the invention, real-time monitoring and discrimination of the road rage emotion of the driver can be realized, the emotion change of the driver can be predicted, prevention and control measures are taken in advance, and adverse effects of road rage on traffic safety can be effectively reduced.
Owner:SOUTHEAST UNIV

Vehicle-mounted head-up display system and control method thereof

The invention, which relates to the technical field of vehicles, discloses a vehicle-mounted head-up display system and a control method thereof. The vehicle-mounted head-up display system comprises ahead-up display device, a pupil tracking device and a controller. The head-up display device is arranged in front of a driver and is used for displaying an image; and the position of the head-up display device can be adjusted. The pupil tracking device is used for acquiring pupil position information of the driver. The controller is electrically connected with the head-up display device and the pupil tracking device and is capable of receiving the pupil position information and controlling the head-up display device to adjust the position according to the pupil position information, so that the driver can see the image clearly. In addition, the invention further discloses a control method adopting the vehicle-mounted head-up display system. According to the invention, the vehicle-mountedhead-up display system can adjust the head-up display device according to the pupil position information of the driver; the imaging effect is good; distortion is avoided; and manual adjustment of a driver is not needed, so that the operation becomes convenient and safe.
Owner:CHINA FIRST AUTOMOBILE

Car navigation apparatus, navigation method thereof and car navigation system thereof

Provided are a car navigation apparatus, a navigation method thereof and a car navigation system thereof. The navigation method of the car navigation apparatus comprises: obtaining at least one navigation task from a network server, wherein the task includes at least one piece of navigation destination information; and receiving a command for starting the navigation task, matching the traffic lines based on the navigation task and navigating. The technical solution of the present invention helps to improve the navigation speed and reduce the traffic hazards, and provides a great convenience for users.
Owner:SHANGHAI PATEO INTERNET TECH SERVICE CO LTD

Turning prohibition information prompt method for navigation

The invention discloses a turning prohibition information prompt method for navigation. When a vehicle runs on a road, turning prohibition conditions at the intersection in front of a user can be prompted; the turning prohibition information is displayed, namely a turning prohibition icon needs to be displayed at the turning prohibition intersection in order to clearly and accurately prompt the turning prohibition information of the user intersection; the turning prohibition information display comprises the turning prohibition information display moment and the display content; the turning prohibition information is eliminated, namely when the vehicle passes through the turning prohibition intersection, the turning prohibition information displayed at the intersection needs to be eliminated, so that the turning prohibition information of the next intersection is prompted; and the turning prohibition information voice prompt comprises the turning prohibition information voice prompt moment and the voice prompt content. The method disclosed by the invention has the advantages that the intersection condition on the road is known by the user; the turning prohibition condition at the intersection is clearly prompted, and the phenomenon that traffic violation of the user is caused because the user does not know the turning prohibition information during driving can be avoided. Moreover, the driving risk is reduced, and the safety of the personnel and vehicles is guaranteed.
Owner:SHENYANG MXNAVI CO LTD

A Solution to Highway Tunnel Lighting Without Artificial Light Source

The invention discloses a method for achieving illumination of a highway tunnel without an artificial light source. The method is characterized by including the steps that no artificial light source is arranged in the whole highway tunnel, a sunshade with the segmented transition light transmittances is arranged outside a tunnel portal, and a hollow-out portion is arranged on the sunshade; the illumination problem in the tunnel is solved through the sunshade and reflecting signs in the tunnel. The danger level is reduced to the largest extent according to the eye adaptation time and economic conditions, the light-transmitting material and the light-transmitting area of a safety area are designed to gradually change according to the illumination transition rate which the eyes can adapt to naturally, so that a driver drives a car comfortably, and the method is the embodiment that highways are designed in the people-oriented principle. The method can be adaptive to long-sized highway tunnels at various areas, especially long-sized highway tunnels with large illumination changes, and has the advantages that the structure is simple, arrangement is convenient, and the use effect is good.
Owner:CHANGAN UNIV

Intelligent device remote control method and apparatus, storage medium and terminal

The invention provides an intelligent device remote control method and apparatus, a storage medium and a terminal. The intelligent device remote control method comprises the following steps: obtainingdriving information of a vehicle, and obtaining driving destination according to the driving information; collecting passenger information in the vehicle, and judging whether there is a passenger inthe vehicle according to the passenger information; and when there is the passenger in the vehicle, sending corresponding guest welcome control information to an intelligent device at the destination.The guest welcome control information can be sent to the intelligent device at the destination when there is the guest in the vehicle, thereby solving the problem of vehicle automatic remote controlof destination smart appliances, making the smart appliances enter a welcome mode without inputting control instructions by a user, reducing driving dangers caused by remote control of the smart appliances by touch and voice and the like during driving process of the user, and reducing traffic accidents.
Owner:GUANGZHOU XIAOPENG MOTORS TECH CO LTD

Method for determining dynamic speed limit value of highway road section based on visibility meter

InactiveCN105931464AApplicable speed limit requirementsGet flexible and reliableArrangements for variable traffic instructionsDetection of traffic movementSimulationTraffic accident
The invention relates to the technical field of highway traffic safety management, and specifically to a method for determining the dynamic speed limit value of a highway road section based on visibility meters. The method includes the steps of determining a speed limited road section of a highway, selecting the addresses of the visibility meters, arranging, installing and calibrating the visibility meters, returning real-time visibility data, and calculating the dynamic speed limit value. The visibility meters monitor visibility of a highway on a real-time basis, and a reasonable safety driving speed is determined according to the visibility as a speed limit value. In this way, occurrence of traffic accidents can be prevented, and driving safety can be improved.
Owner:ANHUI SUN CREATE ELECTRONICS

Intelligent bicycle illuminating lamp

The invention discloses an intelligent bicycle illuminating lamp which comprises a handlebar, a ringing box is arranged in the handlebar, a steering lamp mechanism is arranged in the ringing box, thesteering lamp mechanism comprises a ringing box, a ringing cell cavity is formed in the ringing box, a first transmission shaft is rotatably arranged in the ringing cell cavity, a ringing piece is connected to the first transmission shaft, the first transmission shaft is fixedly provided with a first gear, and the right side of the first gear is provided with a torsion spring cavity on the inner wall of the lower side of the ringing bell cavity. According to the intelligent bicycle illuminating lamp, design is conducted on the bicycle handlebar, the bell is connected with the steering lamps onthe bicycle auxiliary handlebar, and the bicycle is controlled to generate power through mechanical energy to enable the two steering lamps to flicker when ringing, so that the bicycle is easier to notice by people; and in addition, the navigation system is arranged on the right side of the handlebar and assists in controlling the left manual steering lamp control mechanism, so that the navigation system can control the corresponding steering lamp to be turned on when judging that the bicycle needs to turn, and the bicycle is suitable for office workers and riders with fixed routes.
Owner:宁波市加合灯具有限公司

Travelling vehicle safety pre-warning and automatic protecting system

The invention discloses a travelling vehicle safety pre-warning and automatic protecting system which comprises a detecting system, a central processing system and an automatic brake system. The detecting system comprises a sensor which can transmit and receive detecting signals. The central processing system comprises a signal control module, a signal processing module and a danger eliminating module. The signal control module and the signal processing module are in signal connection with the sensor. The signal processing module is matched with the danger eliminating module. The automatic brake system comprises a brake device which is in signal connection with the danger eliminating module. The detecting system detects the front of a vehicle during travelling, the central processing system processes the detecting signals, corresponding reaction can be performed when the central processing system finds the signals are danger signals, and according vehicle driving danger is lowered, and vehicle and personal safety can be guaranteed.
Owner:齐玉峰

A lane departure warning method and system

Disclosed are a lane departure early warning method and system. The lane departure early warning method comprises the following steps: a vision collector obtaining lane mark line information of a road image, a vehicle body information sensor collecting vehicle body information, providing the lane mark line information and the vehicle body information to an FPGA logic center, and the FPGA logic center determining information of the location of a vehicle in the lane and the direction through conversions; the FPGA logic center providing the information of the location of the vehicle in the lane and the direction to a DSP computing center, and the DSP computing center determining whether an alarm is triggered or not under the current state according to set the early warning conditions; an alarm module receiving the warning information issued by the DSP computing center and performing vehicle body control according to the warning information; and arranging a head-up display HUD on glass in front of the head of a driver, wherein the display at least displays vehicle row parameters, as well as the information of the location of the vehicle in the lane and the direction. The lane departure early warning method and system can assist in the conditions of inattention and the like due to over-fatigue or long-term monotonous driving.
Owner:兴科迪科技(泰州)有限公司

Vehicle automatic parking control method

The invention provides a vehicle automatic parking control method. The vehicle automatic parking control method comprises the steps that whether a vehicle is in a temporary parking preparation state or not is judged through a vehicle control unit; if yes, the vehicle is temporarily braked, and whether the temporary braking time exceeds a calibration threshold value or not is judged; if yes, parking braking is conducted on the vehicle; if the vehicle is not in the temporary parking preparation state, whether the vehicle slips on a slope or not is judged through a vehicle control unit; and if yes, parking braking is conducted on the vehicle. According to the automatic parking control method for the vehicle, the vehicle is automatically braked and stopped, temporary parking of the vehicle does not need to be manually operated and controlled, control through an emergency braking system is also not needed, a driver is prevented from being distracted by more attention, and the driving danger is reduced; when the vehicle controller judges that the vehicle slides on the slope, the vehicle is parked and braked, so that the vehicle is automatically parked, various dangerous conditions caused by vehicle sliding are avoided, and the driving safety is improved.
Owner:FAW JIEFANG AUTOMOTIVE CO

High-speed rail pantograph net fault processing technology based on 2C, 3C and 5C devices

PendingCN112949368ATroubleshooting area narrowedEliminate driving hazardsData processing applicationsCharacter and pattern recognitionTroubleshootingPantograph
The invention belongs to a fault processing technology in the technical field of high-speed rail operation and maintenance, and provides a high-speed rail pantograph net fault processing technology based on 2C, 3C and 5C devices. The method mainly comprises the steps of receiving pantograph strike fault information, calling detection data of a 5C detection device to judge a pantograph strike section, judging possibly-caused pantograph strike fault points through a 2C detection device, calling detection data of a 3C detection device to judge possibly-caused pantograph strike fault points, and performing comprehensive contrastive analysis on detection data of 2C, 3C and 5C detection devices to determine a troubleshooting section; performing troubleshooting and processing by a maintainer in the troubleshooting section, and recovering normal driving after the fault processing is finished, so that the troubleshooting area can be greatly reduced, a bowing fault point can be quickly found, the labor intensity of operation and maintenance personnel is reduced, and the troubleshooting efficiency is improved; meanwhile, traditional outdoor troubleshooting operation is changed into indoor analysis after detection, and targeted troubleshooting can be carried out; and the intelligent level of troubleshooting is also improved.
Owner:CHINA RAILWAY ELECTRIFICATION BUREAU GRP5TH ENG

Vehicle-mounted head-up display system and control method thereof

The invention relates to the technical field of vehicles, and discloses a vehicle-mounted head-up display system and a control method thereof. Wherein the vehicle-mounted head-up display system includes a head-up display device, a pupil tracking device and a controller; the head-up display device is arranged in front of the driver for displaying images, and its position can be adjusted; the pupil tracking device is used to obtain the driver's pupil position information; The controller is electrically connected with the head-up display device and the pupil tracking device, and can receive the pupil position information, and control the head-up display device to adjust the position according to the pupil position information, so that the driver can see the image clearly. The invention also discloses a control method using the vehicle-mounted head-up display system. The vehicle-mounted head-up display system of the present invention can adjust the head-up display device according to the driver's pupil position information, and has good imaging effect without distortion, distortion or distortion; and does not require manual adjustment by the driver, which is more convenient and safer.
Owner:CHINA FIRST AUTOMOBILE

A real-time aspect kanban guidance design method for a navigation device

The invention relates to a real-time square surface looking board guidance design method of a navigation apparatus. According to the present invention, the method is achieved through a geographic information reading module, a GPS receiving / positioning module, a path planning module, an intersection guidance data making module, a guidance control module, and a display module; based on different use requirements of users in the two cases of the path with no planning and the path with planning, two sets of real-time image guidance control implementation schemes are designed, wherein the first scheme is real-time image guidance control in the case of the path with no planning, and the second scheme is real-time image guidance control in the case of the path with planning; and the design method has the following advantages that: on the basis of the existing navigation guidance services, innovative functions are provided, real-time, dynamic, intelligent and humanized features are added, defects that the traditional square surface looking board has a fixed position, is immovable, and can not initiatively provide turning prompts for drivers are effectively overcome, and distraction with looking the square surface looking board indication board erected on the roadside is not required during a driving process so as to reduce driving risk and protect safety of personnel and vehicles.
Owner:SHENYANG MXNAVI CO LTD

A tunnel road advance guidance system

The invention provides a system for guiding a tunnel road in advance. The system comprises a map data storage module, a driving route planning module, a GPS positioning module, a GPS navigating module, a tunnel entrance detection module, an inside-tunnel positioning module, an inside-tunnel navigating module, a tunnel exit detection module and a tunnel exit prompting module. The system has the advantages that when a vehicle approaches a tunnel, a tunnel entrance position is reported in advance, so that a driver can prepare for entering the tunnel; when the vehicle enters the tunnel and runs inside the tunnel, the vehicle is navigated based on a non-GPS positioning way; when the vehicle leaves from the tunnel, a tunnel exit position is reported in advance, so that the driver can prepare for leaving from the tunnel; therefore, for a road with the tunnel, the system can comprehensively improve the driving safety and reduce driving dangers; in addition, the non-GPS positioning provided by the invention has the advantage of a simple and accurate positioning algorithm.
Owner:SHENYANG MXNAVI CO LTD

Transmission gear shifting device

The invention discloses a transmission gear shifting device and belongs to the field of electric vehicles. The shifting device comprises a push-pull mechanism, a rotating mechanism and a shifting mechanism, wherein the push-pull mechanism comprises a linear reciprocating motion mechanism and a connecting rod or a lever connected with the linear reciprocating motion mechanism; the rotating mechanism comprises a push-pull barrel and a shifting rotating barrel opposite to the push-pull barrel; fixing sleeves are arranged on the peripheries of the push-pull barrel and the shifting rotating barrel; and a motion decomposition mechanism is arranged on the inner circumference of the fixing sleeve, the motion decomposition mechanism transmits axial motion to the shifting fork and simultaneously performs circumferential rotation, the circumferential rotation changes the pause position of the axial motion, and the shifting rotating barrel pauses once at the starting point or the ending point of the axial motion every time the axial motion is performed, so that the shifting rotating barrel is shifted once between a low-speed gear and a high-speed gear. According to the transmission gear shifting device, the gear shifting mode can be simplified, the gear shifting speed is increased, the driving hidden danger in the vehicle driving process is reduced, and the vehicle driving safety is improved.
Owner:杨勇

Trigger determination circuit applied to intelligent precision voltage stabilization chip of vehicle-mounted direct-current converter

The invention relates to a trigger determination circuit applied to an intelligent precision voltage stabilization chip of a vehicle-mounted direct-current converter and solves the problem that output voltage of a vehicle-mounted direct-current converter cannot be predetermined in the prior art. An optical coupler reactive circuit comprises an optical coupler U 1; a pin 1 of a comparator U3A is connected to a pin 3 of the optical coupler U1; a pin 1 of the optical couple U1 is connected in series with output voltage through a resistor R5; a pin 5 and a pin 6 of the optical coupler U1 are connected in parallel and then connected to a voltage stabilization chip pattern port TR through a resistor R11; a pin 4 of the optical coupler U1 is connected to a ground wire GND1; a power supply voltage VCC is sequentially connected in series with a resistor R1 and a resistor R13 and then is connected to the ground wire GND 1; and the voltage stabilization chip pattern port TR is connected in parallel between the resistor R1 and the resistor R13. The invention can determine the working mode of the voltage stabilization chip through output voltage.
Owner:合肥道一动力科技有限公司

Electrochromic display device and navigation equipment

ActiveCN106483731BImprove navigation resolutionReduce driving hazardsNon-linear opticsElectricityMarine navigation
The invention provides an electrochromic display device and navigation equipment. The electrochromic display device comprises an electrochromic display module and a display control module, wherein the electrochromic display module comprises a layer of a background electrochromic display unit and at least one layer of a navigation electrochromic display unit; the background electrochromic display unit comprises a plurality of electrochromic sub-units which are in array arrangement; each navigation electrochromic display unit comprises a plurality of electrochromic sub-units which are in array arrangement; each electrochromic display sub-unit is connected with the display control module; the display control module is used for controlling each electrochromic sub-unit to develop colors or in a transparent state according to a display control signal; the background electrochromic display unit is used for displaying background colors under control of the display control signal; and the navigation electrochromic display unit is used for displaying vehicle navigation information under control of the display control signal. The electrochromic display device and navigation equipment can be used for solving the problem that judgement is made by error or risk happens caused by navigation information is superposed with a real scene.
Owner:BOE TECH GRP CO LTD

Wiping equipment for rearview mirror

Provided is wiping equipment for a rearview mirror. The wiping equipment comprises a windshield wiper and is characterized in that the windshield wiper is connected with sliding plates; one sliding plate is connected with a motor; the motor is connected with an alternating device; the alternating device is connected with a control plate; and by a controller, the alternating device is controlled and used for controlling the motor to drive the windshield wiper to slide up and down. Therefore, the wiping equipment for the rearview mirror has the advantage of reducing hidden trouble of driving.
Owner:XIAN YONGCHANG MACHINERY POWER

A method for controlling driving torque of pure electric vehicle

The invention discloses a method for controlling the driving torque of a pure electric vehicle, which limits the driving torque according to the gear position of the vehicle, the torque demanded by the driver, the vehicle speed, the activation of the chassis torque intervention function and the activation of the speed limit function. , which can avoid a large unexpected acceleration when the controller software data overflows, thereby reducing the driving danger of the vehicle and reducing the safety threat to the driver.
Owner:深蓝汽车科技有限公司

Expressway garbage cleaning device

The invention discloses an expressway garbage cleaning device, and relates to the technical field of expressway garbage cleaning devices. The device comprises a vehicle head and a garbage cleaning vehicle hopper connected with the vehicle head, the garbage cleaning vehicle hopper comprises a first dangerous object collecting box and a second dangerous object collecting box which are located on the left side and the right side, cleaning working chambers which are located on the lower portions of the middles of the first dangerous object collecting box and the second dangerous object collecting box, and dust collecting chambers which are located on the upper portions of the middles of the first dangerous object collecting box and the second dangerous object collecting box, and a sweeping device is arranged in each cleaning working chamber. Dangerous obstacles on the expressway pavement are conveyed to the first dangerous object collecting box or the second dangerous object collecting box through the sweeping device, a dust collecting fan is arranged in each dust collecting chamber, and dust in the cleaning working chambers is collected into the dust collecting chambers through the dust collecting fan. The dangerous obstacles on the surface of the expressway can be effectively cleaned, dumping is convenient, the driving danger on the expressway can be reduced, and the safety of the expressway is improved.
Owner:山东高速烟威公路有限公司

Intelligent sensing display system for co-driver screen

The invention discloses a co-driver screen intelligent induction display system which comprises a power circuit, an MCU single-chip microcomputer, a drive circuit, a signal simulation sampling circuit, a CAN communication circuit, an LIN communication circuit and a sensor arranged on a sub-seat. A power supply circuit for supplying power is connected with the MCU single chip microcomputer, the driving circuit, the signal simulation sampling circuit, the CAN communication circuit and the LIN communication circuit; the MCU single-chip microcomputer is in wired connection with the CAN communication circuit and the LIN communication circuit. The MCU single-chip microcomputer is in wired connection with a sensor arranged on the auxiliary seat. The sensor for sensing gravity compression is in wired connection with the signal simulation sampling circuit; during night driving, the auxiliary screen can be automatically closed to prevent the rearview mirror from reflecting light and dazzling; a driver can adapt to a dark environment by closing the auxiliary screen in advance; the driving danger is reduced.
Owner:ZHEJIANG LEAPMOTOR TECH CO LTD

A method to eliminate the cause of misjudgment in the straightness detection of welded rail joints on-line

The invention discloses a method for excluding online-rail-welded-joint straightness-detection misjudgment inducements. The problem that misjudgments exist in existing online-rail-welded-joint straightness detection is solved. The method includes the steps that a, an electric straight ruler is verified to be eligible; b, a first oscillogram is lead in the free state of a rail-plant welded joint; c, a second oscillogram is lead in the free state of a rail base material on which a line is paved; d, the first oscillogram and the second oscillogram are averaged to form a third oscillogram; e, the rail joint and the base material which are fixed on the line are selected, and a fourth oscillogram is formed; f, a coordinate graph is drawn; g, detection is carried out, the result is ineligible when the detection value is larger than the corresponding numerical value of the fourth oscillogram, the result is eligible when the detection value is smaller than the corresponding numerical value of the third oscillogram, and when the detection value is between the third oscillogram and the fourth oscillogram, adjustment is carried out, and then whether the result is eligible or not is determined by detecting whether the detection numerical value reaches the standard or not. By means of the method, the problems that due to detection misjudgments of straightness, a welded seam is corrected, and even a rail is sawn to be re-welded are solved.
Owner:CHINA RAILWAY NO 17 BUREAU GRP
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