Method and device for evaluating bicycle riding comfort of road

A technology for comfort and bicycles, which is applied in the field of evaluating the riding comfort of road bicycles, and can solve problems such as ignoring the subjective feelings of bicycle riders

Inactive Publication Date: 2017-10-24
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is not conducive to improving urban bicycle infrastructure con...

Method used

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  • Method and device for evaluating bicycle riding comfort of road
  • Method and device for evaluating bicycle riding comfort of road
  • Method and device for evaluating bicycle riding comfort of road

Examples

Experimental program
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Effect test

Embodiment 1

[0069] In this embodiment, an old asphalt road surface is selected, the road surface contains many cracks and potholes, and the length of the road section is 300m. The material of the connector is aluminum alloy, the inner diameter is 20mm, and the inner diameter of the screw hole is 5mm. The support frame is made of aluminum alloy, with a length of 15cm and a diameter of 10mm, and is connected with the support plate by welding. The support plate is made of wood, its thickness is 5mm, its width is 10mm, and its length is 20cm. The protective case is made of plastic, with a thickness of 5mm, a width of 12cm, a length of 20cm, and a height of 8cm. Piezoelectric uniaxial vibration acceleration sensor with a range of ±220m / s 2 , the accuracy is ± 2%, the test frequency range is 1 ~ 1000Hz. The sampling frequency of the GPS module is 200Hz, the positioning error is 7m CEP50, and the speed test error is 1km / h. Both the vibration acceleration data output port and the GPS position...

Embodiment 2

[0074] The difference between this embodiment and embodiment 1 is that the road surface selected in embodiment 2 is a complete and smooth new asphalt road surface. The road section is 270m long. The material of the connector is aluminum alloy, the inner diameter is 20mm, and the inner diameter of the screw hole is 5mm. The support frame is made of aluminum alloy, with a length of 15cm and a diameter of 10mm, and is connected with the support plate by welding. The support plate is made of wood, its thickness is 5mm, its width is 10mm, and its length is 20cm. The protective case is made of plastic, with a thickness of 5mm, a width of 12cm, a length of 20cm, and a height of 8cm. Piezoelectric uniaxial vibration acceleration sensor with a range of ±220m / s 2 , the accuracy is ± 2%, the test frequency range is 1 ~ 1000Hz. The sampling frequency of the GPS module is 200Hz, the positioning error is 7m CEP50, and the speed test error is 1km / h. Both the vibration acceleration data ...

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Abstract

The invention discloses a method and a device for evaluating the bicycle riding comfort of a road. The method comprises the steps of acquiring vibration data sensed at a handlebar by a bicycle rider during riding in a riding course, bicycle speed data in the riding course and running track data in the riding course via a homemade test device; smoothing the acquired vibration acceleration data via a Savitzky-Golay method, and calculating a bicycle riding comfort index RC and a bicycle riding dynamic comfort index DRC of a road section; and comparing the values of the obtained comfort index RC and riding dynamic comfort index DRC with a bicycle riding comfort threshold, thus accurately and quantitatively judging the comfort grade of the current road and the comfort of the rider in the riding course per second.

Description

technical field [0001] The invention relates to the field of transportation engineering, in particular to a method and device for evaluating the riding comfort of road bicycles. Background technique [0002] Under the predicament of increasingly serious urban traffic congestion, more and more people choose to travel by bicycle. According to incomplete statistics, by the end of 2016, the number of bicycles and electric bicycles in my country was 370 million and 220 million respectively, far exceeding the number of motor vehicles by 26 million. Statistics show that the proportion of bicycle traffic in some cities in my country has exceeded 30%. [0003] So far, more than 50 cities in my country have established special public bicycle systems and launched related mobile device APPs; The representative social capital has also participated in the construction of the urban public bicycle system, and has received more attention with more humanized services and more trendy concepts...

Claims

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Application Information

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IPC IPC(8): G01M17/007
CPCG01M17/0076
Inventor 沙爱民高杰胡力群谭玉锹
Owner CHANGAN UNIV
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