CN106297286A - A kind of mountainous area highway actual road test signal detection system - Google Patents

A kind of mountainous area highway actual road test signal detection system Download PDF

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CN106297286A
CN106297286A CN201610694514.0A CN201610694514A CN106297286A CN 106297286 A CN106297286 A CN 106297286A CN 201610694514 A CN201610694514 A CN 201610694514A CN 106297286 A CN106297286 A CN 106297286A
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actual road
test signal
road test
data
vehicle
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CN106297286B (en
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王栋
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Xian Aeronautical University
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王栋
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled

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  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Road Repair (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a kind of mountainous area highway actual road test signal detection system, this system includes actual road test signal picker, enumerator, gps receiver and vehicle-mounted industrial computer；Described actual road test signal picker, enumerator, gps receiver carry out wired connection or wireless connections with vehicle-mounted industrial computer by data telecommunication line or cordless communication network respectively；Described actual road test signal picker is for gathering the different kinds of roads stimulus of needs, and actual road test signal picker can gather a kind of signal or multi-signal, can configure as required；Described enumerator is for adding up the signal group number that actual road test signal picker is gathered, it is simple to the later stage calculates；Described gps receiver is used for receiving altitude data；Described vehicle-mounted industrial computer its be internally integrated Data Analysis Services module.Data-handling efficiency of the present invention is high, efficiently reduces personal error, and the data accuracy drawn is high, uses manpower and material resources sparingly.

Description

A kind of mountainous area highway actual road test signal detection system
The application is divisional application, the application number of original application: 2015101995952, the applying date: 2015-04-24, invention Patent name: the data processing method of a kind of mountainous area highway actual road test signal detection system.
Technical field
The present invention relates to data acquisition process technical field, particularly relate to a kind of mountainous area highway actual road test signal Detecting system.
Background technology
Along with economic development in an all-round way at full speed, the expressway construction of China achieves well achievement.China's geography ring Border is the abundantest, and in order to accelerate to connect the traffic route of zones of different, China has built a lot of mountainous area highways.Mountain area is high Speed highway road circumstance complication, Frequent Accidents, the scientific research personnel of China often to do some actual road tests, gathers related data, Study such as highway safety evaluation, speed feature, adaptive cruise based on road alignment etc. grind carrying out road data In studying carefully, often the signals such as the speed that road vehicle travels, acceleration, vehicle lateral acceleration are acquired test, with To vehicle signal corresponding to road alignment pile No. in travel, i.e. it is to be understood that vehicle corresponding pile No. in road alignment Every bit signal.Specify the vehicle coherent signal when road alignment a certain pile No. position to have very important significance.
Current existing actual road test acquisition mode can collect the warp corresponding to associated vehicle signal and this signal Degree, latitude and elevation, but be difficult to the positional informationes such as the longitude corresponding to the coherent signal of collection, latitude are corresponded to road alignment Pile No. on, not display this project of road pile No. in its data output mesh.After prior art is all collection data, enter Row artificial treatment, utilizes the positional information manual modes such as the longitude gathered and latitude to be corresponded in the linear pile No. of related roads, Such mode not only accuracy is the highest, and the efficiency that data process is the lowest, simultaneously when gathering mountainous area highway tunnel Loss due to gps signal, it is impossible to obtain the position signallings such as longitude and latitude in tunnel, the disappearance of data acquisition will be caused, after giving Phase research brings puzzlement greatly.Generally speaking, the actual road test signal that prior art is gathered, is all to utilize longitude and latitude The signal that degree information is just gathered is mapped, and rarely seen road pile No. information carries out correspondence.
Mountainous area highway differs markedly from Expressway in Plain, has some outstanding features, the drop of its height Very big, such as the highway in Xi'an to Hanzhong, its elevation drop has reached more than 1,000 meter.Bigger for this class elevation drop Mountainous area highway, we generally have only to know the elevation of certain point on road, just can obtain this elevation institute easily right The road pile No. answered.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of mountainous area highway actual road test signal inspection Examining system, this system from elevation and road pile No. can corresponding relation, the road examination that can conveniently will be gathered Testing signal data and road pile No. data one_to_one corresponding, the present invention can solve gathering highways in mountain areas public affairs well simultaneously During the tunnel inner road stimulus of road, when the later data caused due to the disappearance of gps signal processes, there is discontinuity in data Problem.The present invention is reasonable in design, uses easy to operate, and intelligence degree is high, and data acquisition and treatment effeciency are high, and data are accurate Property high, use manpower and material resources sparingly, practical, it is simple to promote the use of.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of mountainous area highway actual road test signal detection system, this system include actual road test signal picker, enumerator, Gps receiver and vehicle-mounted industrial computer；Described actual road test signal picker, enumerator, gps receiver respectively with vehicle-mounted industry control Machine carries out wired connection or wireless connections by data telecommunication line or cordless communication network；Described actual road test signal picker For gathering the different kinds of roads stimulus of needs, actual road test signal picker can gather a kind of signal or multi-signal, can Configure as required；Described enumerator is for adding up the signal group number that actual road test signal picker is gathered, it is simple to Later stage calculates；Described gps receiver is used for receiving altitude data；Described vehicle-mounted industrial computer its be internally integrated data Analysis and processing module；Implementation step is as follows:
Before step one, measurement, will measure in the disk that section linear pile No. data are loaded into vehicle-mounted industrial computer, described section Linear pile No. data include the pile No. data corresponding to the altitude data in this measurement section and elevation；
When step 2, measurement, the parameter set unit of vehicle-mounted industrial computer recalls the data initialization that data initialization module is corresponding Interface, is read the initial altitude data in gps receiver simultaneously, and is risen by input detection section, described data initialization interface Initial altitude data in beginning pile No. data and gps receiver, described data initialization module is by the initial pile No. data of input It is stored in the data storage disk that vehicle-mounted industrial computer is corresponding with the initial altitude data in gps receiver；
Step 3, in the measurements, actual road test signal picker, gps receiver sum counter synchronize to be operated, actual road test The actual road test signal data surveyed is input in the data storage disk that vehicle-mounted industrial computer is corresponding by signal picker；GPS Receptor synchronous acquisition positional information, and the altitude data gathered is input to the data storage magnetic that vehicle-mounted industrial computer is corresponding In dish；Enumerator starts synchronous counting, adds up the number of actual road test signal data and statistical data is input to industrial computer phase In corresponding data storage disk；After vehicle enters tunnel, although gps receiver loses signal, but actual road test signal is adopted Storage sum counter can proceed data acquisition, and enumerator continues to keep the statistics to actual road test signal data；
Step 4, measure at the end of, by the parameter set unit of vehicle-mounted industrial computer recall correspondence data interface, read simultaneously Take the altitude data in gps receiver, and by the input detection of described data interface terminate to terminate the pile No. data at section and Altitude data in gps receiver；
Step 5, vehicle-mounted industrial computer read the number in vehicle-mounted industrial computer disk by its Data Analysis Services module being internally integrated According to and the data read are analyzed process after, draw analysis processing result.
Being read in vehicle-mounted industrial computer disk by its Data Analysis Services module being internally integrated described in step 5 The data read also are analyzed processing by data, and its analyzing and processing process comprises the following steps:
Step 501, described data analysis module are by the height in speed data collection signal, gps receiver in vehicle-mounted industrial computer disk The enumeration data of journey signal sum counter statistics arranges successively according to the sequencing gathered respectively, described arrangement mode Arrange for N row M；Described N is the counting number of enumerator, and described M is classified as the M row actual road test signal of N correspondence statistics；
Step 502, described data analysis module call in vehicle-mounted industrial computer disk after arrangement initial measurement section pile No. A Measure pile No. B with terminal, and pile No. is converted, pile No. is scaled distance, after conversion, obtains distance a that pile No. A is corresponding Distance b corresponding with pile No. B, reduction formula is:
a=A×1000；
b=B×1000；
Step 503, described data analysis module calculate and gather distance c, and computing formula is: c=a-b；
Step 504, described data analysis module call the counter statistics N of storage in vehicle-mounted industrial computer disk, and count Calculate speed acquisition distance increment △1, computing formula is: △1=c/N；
Step 505, described data analysis module call speed acquisition distance increment △1And calculate pile No. and add up coefficient △2, meter Calculation formula is: △2= △1×0.001；
Step 506, described data analysis module call initial measurement section pile No. A and the meter of storage in vehicle-mounted industrial computer disk Actual road test signals collecting signal number N of number device statistics, and actual road test signal data and the pile No. of collection are carried out correspondence, Computational methods are: the section pile No. corresponding to the 1st group of M row actual road test signal of counters count is A；2nd group of M row road examination Testing the section pile No. corresponding to signal is A2=A+△2；The section corresponding to 3rd group of M row actual road test signal of counters count Pile No. is A3=A+2×△2；The section pile No. corresponding to 4th group of M row actual road test signal of counters count is A4=A+3× △2, calculating successively, the section pile No. corresponding to N group M row actual road test signal of counters count is AN=A+(N-1) ×△2；
2 to the A that step 507, described data analysis module will calculate in step 506NN group pile No. data are according to the elder generation calculated altogether Rear order arranges successively, and is mapped with the M row actual road test signal described in step 501.
The computational methods of step 506 can be replaced: described data analysis module calls in vehicle-mounted industrial computer disk and stores Terminal measure actual road test signals collecting signal number N of section pile No. B sum counter statistics, and the actual road test that will gather Signal data and pile No. carry out correspondence, and computational methods are: the road corresponding to the 1st group of M row actual road test signal of counters count Section pile No. is A1=B-(N-1) × △2；The section pile No. corresponding to 2nd group of M row actual road test signal of counters count is A2= B-2×△2；The section pile No. corresponding to 3rd group of M row actual road test signal of counters count is A3=B-3×△2, enter successively Row calculates, and the section pile No. corresponding to N-3 group M row actual road test signal of counters count is AN-3=B-3×△2；Counting The section pile No. corresponding to N-2 group M row actual road test signal of device statistics is AN-2=B-2×△2；The N-of counters count Section pile No. corresponding to 1 group of M row actual road test signal is AN-1=B-1×△2；The N group M row actual road test of counters count Section pile No. corresponding to signal is AN=B。
Actual road test signal picker can gather one or more stimulus, adds including GES, longitudinal direction of car The relevant letter of the vehicles such as rate signal, vehicle lateral acceleration signal, yaw rate signal, clutch pedal opening amount signal Number and vehicle residing for testing position signal.
This system can be not only used for mountainous area highway, it is also possible to for the highway that other road gradient drops are bigger.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention from elevation and road pile No. can corresponding relation, the actual road test that can conveniently will be gathered Signal data and road pile No. data one_to_one corresponding get up.Can directly obtain with the actual road test signal of road pile No. labelling, I.e. it is known that each group of measured actual road test signal is corresponding at which in pile No., this just brings numerous benefit, Such as can draw for vertical coordinate with the actual road test signal surveyed directly with pile No. as abscissa, greatly facilitate number According to later stage research.And prior art only gives what measured actual road test signal was surveyed latitude and longitude information, can not be straight Connect and obtain the pile No. that surveyed actual road test signal is corresponding.
2, prior art is after the longitude and latitude of the actual road test signal surveyed and correspondence thereof, is all by the way of artificial treatment Carry out, and the present invention can directly obtain results needed.
3, enter tunnel when vehicle or other are temporarily without the section of gps signal, just can not obtain this position data having, and The method that the present invention is taked has only to know measures the pile No. before and after section and the elevation of correspondence, applies the calculation that it is internally integrated Method just can calculate, and particularly after vehicle enters tunnel, actual road test signal picker sum counter remains on work, Data Analysis Services module that vehicle-mounted industrial computer is internally integrated and the actual road test signal that algorithm can will be gathered after experiment Get up with road pile No. one_to_one corresponding.
4, the present invention is capable of paperless work, data acquisition and treatment effeciency height, efficiently reduces personal error, Recorded, stored and analyzed the data accuracy drawn high, used manpower and material resources sparingly.
5, the present invention is reasonable in design, it is achieved facilitates and realizes low cost.
6, the present invention is not only applicable to mountainous area highway, applies also for other highways.
7, the actual road test signal picker of the present invention can gather one or more stimulus, including GES, Longitudinal direction of car acceleration signal, vehicle lateral acceleration signal, yaw rate signal, clutch pedal opening amount signal etc. Testing position signal residing for vehicle coherent signal and vehicle.
8, in the present invention connected mode of system can use data telecommunication line or cordless communication network carry out wired connection or Wireless connections, flexible and convenient to use, Scalable Performance is good.
9, when without gps signal, the present invention has well adapting to property.
In sum, the present invention is reasonable in design, uses easy to operate, and intelligence degree is high, data acquisition and treatment effeciency Height, data accuracy is high, uses manpower and material resources sparingly, it is achieved facilitates and realizes low cost, practical, can effectively solve prior art Defect and the deficiencies such as existing data acquisition efficiency is low, data accuracy is poor, waste time and energy, using effect is good, it is simple to promote Use.
Accompanying drawing explanation
Fig. 1 is the working-flow figure of the present invention.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
A kind of mountainous area highway actual road test signal detection system, this system includes actual road test signal picker, meter Number device, gps receiver and vehicle-mounted industrial computer；Described actual road test signal picker, enumerator, gps receiver are respectively and car Carry industrial computer and carry out wired connection or wireless connections by data telecommunication line or cordless communication network；Described actual road test signal Harvester is for gathering the different kinds of roads stimulus of needs, and actual road test signal picker can gather a kind of signal or multiple letter Number, can configure as required；Described enumerator is used for adding up the signal group number that actual road test signal picker is gathered, Being easy to the later stage calculates；Described gps receiver is used for receiving altitude data；Described vehicle-mounted industrial computer its be internally integrated Data Analysis Services module.
The data acquiring frequency that actual road test signal picker is arranged is the biggest, and its data signal group number gathered can be the most, The data acquisition number of counters count is the most, and the road pile No. that the signal that gathered is corresponding also can be the most.
A kind of mountainous area highway actual road test signal detection system as shown in Fig. 1, has following steps during work:
Before step one, measurement, will measure in the disk that section linear pile No. data are loaded into vehicle-mounted industrial computer, described section Linear pile No. data include the pile No. data corresponding to the altitude data in this measurement section and elevation；
When step 2, measurement, the parameter set unit of vehicle-mounted industrial computer recalls the data initialization that data initialization module is corresponding Interface, is read the initial altitude data in gps receiver simultaneously, and is risen by input detection section, described data initialization interface Initial altitude data in beginning pile No. data and gps receiver, described data initialization module is by the initial pile No. data of input It is stored in the data storage disk that vehicle-mounted industrial computer is corresponding with the initial altitude data in gps receiver；
When implementing, the data input screen correspondence position at vehicle-mounted industrial computer inputs detection section and initiates pile No., reads simultaneously Take the initial elevation in the gps receiver of the most initial detection section the current height of data input screen input at vehicle-mounted industrial computer Journey.
Step 3, in the measurements, actual road test signal picker, gps receiver sum counter synchronize to be operated, road The actual road test signal data surveyed is input in the data storage disk that vehicle-mounted industrial computer is corresponding by stimulus harvester； Gps receiver synchronous acquisition positional information, and the data that the altitude data gathered is input to vehicle-mounted industrial computer corresponding deposit In storage disk；Enumerator starts synchronous counting, adds up the number of actual road test signal data and statistical data is input to industry control In the data storage disk that machine is corresponding；After vehicle enters tunnel, although gps receiver loses signal, but actual road test is believed Number harvester sum counter can proceed data acquisition, and enumerator continues to keep the statistics to actual road test signal data；
Step 4, measure at the end of, by the parameter set unit of vehicle-mounted industrial computer recall correspondence data interface, read simultaneously Take the altitude data in gps receiver, and by the input detection of described data interface terminate to terminate the pile No. data at section and Altitude data in gps receiver；
When implementing, read the elevation measured in end point determination section gps receiver and be input to vehicle-mounted industrial computer, simultaneously to The pile No. in vehicle-mounted industry control input measurement terminal section.
Step 5, vehicle-mounted industrial computer are read in vehicle-mounted industrial computer disk by its Data Analysis Services module being internally integrated Data and the data read are analyzed process after, draw analysis processing result.
In the present embodiment, described in step 5 by its Data Analysis Services module being internally integrated read vehicle-mounted industry control The data read also are analyzed processing by data in machine disk, and its analyzing and processing process comprises the following steps:
Step 501, described data analysis module are by the height in speed data collection signal, gps receiver in vehicle-mounted industrial computer disk The enumeration data of journey signal sum counter statistics arranges successively according to the sequencing gathered respectively, described arrangement mode Arrange for N row M；Described N is the counting number of enumerator, and described M is classified as the M row actual road test signal of N correspondence statistics；
When implementing, gather two signals (GES, longitudinal direction of car acceleration signal) with actual road test signal picker As a example by illustrate, as actual road test signal picker acquires 10 groups of GESs and longitudinal direction of car acceleration signal, then Rolling counters forward 10 times, i.e. N=10, M=2, at this moment the arrangement mode of data is that 10 row 2 arrange, and first is classified as GES, secondary series For longitudinal direction of car acceleration signal.
Step 502, described data analysis module call in vehicle-mounted industrial computer disk after arrangement initial measurement section Pile No. A and terminal measure pile No. B, and convert pile No., pile No. is scaled distance, obtains pile No. A corresponding after conversion Distance b that distance a is corresponding with pile No. B, reduction formula is:
a=A×1000；
b=B×1000；
When implementing, as initial measurement section pile No. A be K1137+500 conversion after distance a be just 1137500；Terminal is surveyed Amount pile No. B be K1135+500 conversion after distance b be just 1135500.
Step 503, described data analysis module calculate and gather distance c, and computing formula is: c=a-b；
When implementing, according to the example above, initial section pile No. A of measuring is that distance a after K1137+500 conversion is just 1137500；Terminal measure pile No. B be K1135+500 conversion after distance b be just 1135500, then c=a-b=1137500- 1135500=2000。
Step 504, described data analysis module call the counter statistics N of storage in vehicle-mounted industrial computer disk, And calculate speed acquisition distance increment △1, computing formula is: △1=c/N；
When implementing, according to the example above, △1=c/N=2000/10=200。
Step 505, described data analysis module call speed acquisition distance increment △1And calculate pile No. and add up coefficient △2, computing formula is: △2= △1×0.001；
When implementing, according to the example above, △2= △1×0.001=200×0.001=0.2。
Step 506, described data analysis module call initial measurement section pile No. A of storage in vehicle-mounted industrial computer disk Actual road test signals collecting signal number N of sum counter statistics, and actual road test signal data and the pile No. of collection are carried out Correspondence, computational methods are: the section pile No. corresponding to the 1st group of M row actual road test signal of counters count is A；2nd group of M row Section pile No. corresponding to actual road test signal is A2=A+△2；Corresponding to 3rd group of M row actual road test signal of counters count Section pile No. be A3=A+2×△2；The section pile No. corresponding to 4th group of M row actual road test signal of counters count is A4=A +3×△2, calculating successively, the section pile No. corresponding to N group M row actual road test signal of counters count is AN=A+ (N-1)×△2；
When implementing, according to the example above, the section pile No. corresponding to the 1st group of M row actual road test signal of counters count For K1137+500；The section pile No. corresponding to 2nd group of M row actual road test signal of counters count is A2=1137.500+△2= The section pile No. corresponding to 2nd group of M row actual road test signal of 1137.500+0.2=1137.700, i.e. counters count is K1137+700, can calculate successively.
2 to the A that step 507, described data analysis module will calculate in step 506NN group pile No. data are according to calculating altogether Sequencing arrange successively, and and step 501 described in M row actual road test signal be mapped.
When implementing, the computational methods of step 506 can be replaced: described data analysis module calls vehicle-mounted industrial computer magnetic In dish, the terminal of storage measures actual road test signals collecting signal number N of section pile No. B sum counter statistics, and by collection Actual road test signal data and pile No. carry out correspondence, and computational methods are: the 1st group of M row actual road test signals institute of counters count Corresponding section pile No. is A1=B-(N-1) × △2；The section stake corresponding to 2nd group of M row actual road test signal of counters count Number it is A2=B-2×△2；The section pile No. corresponding to 3rd group of M row actual road test signal of counters count is A3=B-3×△2, Calculating successively, the section pile No. corresponding to N-3 group M row actual road test signal of counters count is AN-3=B-3× △2；The section pile No. corresponding to N-2 group M row actual road test signal of counters count is AN-2=B-2×△2；Enumerator is united The section pile No. corresponding to N-1 group M row actual road test signal of meter is AN-1=B-1×△2；The N group M row of counters count Section pile No. corresponding to actual road test signal is AN=B。
This system can be not only used for mountainous area highway, it is also possible to for the highway that other road gradient drops are bigger.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every according to the present invention Any simple modification, change and the equivalent structure change that above example is made by technical spirit, all still falls within skill of the present invention In the protection domain of art scheme.

Claims (1)

1. a mountainous area highway actual road test signal detection system, it is characterised in that this system includes actual road test signal Harvester, enumerator, gps receiver and vehicle-mounted industrial computer；Described actual road test signal picker, enumerator, gps receiver Wired connection or wireless connections are carried out by data telecommunication line or cordless communication network respectively with vehicle-mounted industrial computer；Described road Stimulus harvester is for gathering the different kinds of roads stimulus of needs, and actual road test signal picker can gather a kind of signal Or multi-signal, can configure as required；Described enumerator is for adding up what actual road test signal picker was gathered Signal group number, it is simple to the later stage calculates；Described gps receiver is used for receiving altitude data；Described vehicle-mounted industrial computer its It is internally integrated Data Analysis Services module.
CN201610694514.0A 2015-04-24 2015-04-24 A kind of mountainous area highway actual road test signal detection system Expired - Fee Related CN106297286B (en)

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CN201710064042.5A Expired - Fee Related CN106846800B (en) 2015-04-24 2015-04-24 Data processing method of longitudinal acceleration signal detection system of test vehicle on mountain highway
CN201710064056.7A Expired - Fee Related CN106803346B (en) 2015-04-24 2015-04-24 Mountain area highway road test signal detection system and data processing method
CN201610749455.2A Expired - Fee Related CN106228811B (en) 2015-04-24 2015-04-24 A kind of data processing method of mountainous area highway actual road test signal detection system
CN201710064038.9A Expired - Fee Related CN106683407B (en) 2015-04-24 2015-04-24 Data processing method of clutch pedal opening degree signal detection system for mountain expressway road test
CN201710064028.5A Expired - Fee Related CN106781505B (en) 2015-04-24 2015-04-24 Data processing method of mountain area highway road test vehicle speed signal detection system
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