A simple method for dynamically measuring the diameters of train wheels using a one-dimensional laser displacement transducer

Gao, Yan; Feng, Qibo; Cui, Jianying

doi:10.1016/j.optlaseng.2013.09.005

Cited by 23 publications

(14 citation statements)

References 7 publications

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“…The laser triangulation displacement sensor (LDS) is a common-used tool in high precision and short-distance measuring, which can measure the displacement change of an object without any contact. It is mainly used in automatically measuring the geometrical parameter such as thickness, distance, diameter, etc [7][8][9][10]. Over a period of time there were several novel measuring systems by combining it with other devices, such as identification of location error of rotary axes for five-axes machine tools [11], on machine measurement of RFQS [12], automated inner dimensional measurement system for long-stepped pipes [13] and piston secondary motion measurement [14].…”

Section: Open Accessmentioning

confidence: 99%

New Measurement Method for Spline Shaft Rolling Performance Evaluation using Laser Displacement Sensor

Liang

Pei

et al. 2018

Chin. J. Mech. Eng.

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In order to control the quality of spline shaft in rolling process, an efficient measurement method for rolling performance evaluation is essential. Here, a newly developed on-machine non-contact measurement prototype based on laser displacement sensor and rotary encoder is proposed. The prototype is intended for the automated evaluation of the spline shaft rolling performance by measuring the dimensional change of tooth root, which is correlated with the surface residual stress and micro-hardness. Laser displacement sensor and rotary encoder are used to record the polar radius and polar angle of each point on measuring section. Data are displayed in a polar coordinate system and fitted in a gear. Through multipoint curvature method, the roots of spline shaft are recognized automatically. Then, the dimensional change can be calculated by fitting the radius of the tooth root circle before and after rolling. Systematic error covering offset error is also analyzed and calibrated. At last, measurement test results show that the system has advantages of simple structure, high measurement precision (radius error < 0.6 μm), high measurement efficiency (measuring time < 2 s) and automatic control ability, providing a new opportunity for the efficient evaluation of various spline shafts in high-precision mechanical processing.

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Section: Open Accessmentioning

confidence: 99%

New Measurement Method for Spline Shaft Rolling Performance Evaluation using Laser Displacement Sensor

Liang

Pei

et al. 2018

Chin. J. Mech. Eng.

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“…Journal of Sensors Similar to when we analyze sensor noise, we consider a special case as (17); the origin of the target wheel is located in the origin of WCF. The real three points are…”

Section: Wheel Inclination Caused By Wheelset S-shape Runningmentioning

confidence: 99%

“…However, the method needs a high precise train speed and time interval of shooting. Gao et al [17] utilized one 1D-LDS and two eddy current sensors to detect the wheel diameter. Wu and Chen [18] used high-speed CCD and 1D-LDS to measure the diameter and the accuracy was within 1.2 mm.…”

Section: Introductionmentioning

confidence: 99%

A Novel Online Detection System for Wheelset Size in Railway Transportation

et al. 2016

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The online detection of wheelset size has important implications for ensuring the safety of railway operation and decreasing the maintenance costs. Based on laser displacement sensors (LDS), a novel online detection system of the wheel size is proposed using only six two-dimensional LDS and two one-dimensional LDS. The calculation principles of tread profile and wheel diameter are given, as well as the calibration method. Errors induced by wheel-rail vibration, misalignment, sensor noise, S-shape running, and wheelset differential are also analyzed. After system implementation, field experiments were performed using both standard wheel and several real trains. It turns out that the detection uncertainty of flange width and height is 0.1 mm and wheel diameter 0.3 mm, which can meet the requirements of maintenance.

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“…[6] Previous studies have addressed their inspections by calculating the geometric parameters, via artificial vision systems, with special installations arranged along the rail. [10][11][12] The linear light sensor device is the most commonly used instrument to assess the geometric parameters of train wheels. [12][13][14] The US5808906 [15] invention, by using two devices, sets out a two-stage procedure: (i) the estimation of the wheel profile which requires for a modified rail for the wheel so that it rests on the exterior carriageway; and (ii) the actual measuring of the diameter, which requires a staged modified rail such as the wheel resting on the flange.…”

Section: Introductionmentioning

confidence: 99%

“…[10][11][12] The linear light sensor device is the most commonly used instrument to assess the geometric parameters of train wheels. [12][13][14] The US5808906 [15] invention, by using two devices, sets out a two-stage procedure: (i) the estimation of the wheel profile which requires for a modified rail for the wheel so that it rests on the exterior carriageway; and (ii) the actual measuring of the diameter, which requires a staged modified rail such as the wheel resting on the flange. Under these circumstances, the train guidance is The development US6003232 [16] proposes a method for online assessing of the train wheel geometric parameters which requires an installation of a linear light vision sensor on a specially modified rail, resulting problematic for the railway operation.…”

Section: Introductionmentioning

confidence: 99%

Partial-profilogram reconstruction method to measure the geometric parameters of wheels in dynamic condition

Bernal

Martinod

Betancur

et al. 2016

Vehicle System Dynamics

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A simple method for dynamically measuring the diameters of train wheels using a one-dimensional laser displacement transducer

Cited by 23 publications

References 7 publications

New Measurement Method for Spline Shaft Rolling Performance Evaluation using Laser Displacement Sensor

New Measurement Method for Spline Shaft Rolling Performance Evaluation using Laser Displacement Sensor

A Novel Online Detection System for Wheelset Size in Railway Transportation

Partial-profilogram reconstruction method to measure the geometric parameters of wheels in dynamic condition

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