Dr. Yongjie Ren Profile

Dr. Yongjie Ren

Assoc. Prof. at Tianjin Univ

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Author

Publications (15)

Proceedings Article | 8 July 2022 Paper

Online time-space calibration method of hybrid wMPS-IMU system

Rui Deng, Linghui Yang, Shendong Shi, Anrui Guo, Yongjie Ren

Proceedings Volume 12282, 122820F (2022) https://doi.org/10.1117/12.2611629

KEYWORDS: Calibration, Transmitters, Receivers, Clocks, Signal processing, Gyroscopes, Sensors, Precision calibration, Motion measurement, Manufacturing

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Limited by the principle of multi-angle intersection measurement, photoelectric scanning measurement systems such as workshop Measuring and Positioning System (wMPS) and indoor Global Positioning System (iGPS) have systematical positioning errors when measuring moving targets. Fusing target movement information can effectively compensate the positioning error introduced by the relative motion between the target and the transmitter. Inertial measurement systems are capable of high-frequency, all-weather and autonomous rotation and acceleration measurement. They have good measurement complementarity with photoelectric scanning measurement systems. Integrating movement information from inertial measurement unit (IMU) is an effective method to improve the dynamic measurement performance. Inertial information fusion needs two preconditions: the first one is clock synchronization and the second one is spatial alignment. In response to the two problems above, we research on wMPS and propose a wMPS-IMU integrated online calibration method. The time offset of the two systems is precisely calibrated by compensating the delay between the wMPS reference clock and the IMU clock. Due to the fact that wMPS receivers and the IMU are connected as a rigid body, the rotation R and the translation T between the wMPS and the IMU can be easily calibrated through a linear estimation method. Our novel method benefits to achieve real-time online temporal and spatial calibration without the help of any external measurement equipment and prior information and significantly improves the applicability of wMPS. Verification experiments were carried out. A three-axis turntable and a linear guide were utilized as the roundness and straightness references. The calibration experiment shows that the calibration accuracy of our method is at the same level as that achieved from the high accuracy coordinate measuring machine (CMM). The precision evaluation experiment shows that the hybrid wMPS-IMU system calibrated through the proposed method has slightly better dynamic performance than that calibrated on a CMM. This method is fully verified to be effective.

Proceedings Article | 12 March 2020 Paper

A multi-dimensional evaluation method of the angle measurement performance for the transmitter

Zhenyu Zhang, Linghui Yang, Jiarui Lin, Shendong Shi, Jigui Zhu

Proceedings Volume 11439, 1143918 (2020) https://doi.org/10.1117/12.2548311

KEYWORDS: Transmitters, Receivers, Signal processing, Manufacturing, Distributed computing

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Proceedings Article | 12 March 2020 Paper

Robust 6DOF measurement for non-overlapping multi-camera systems based on uncertainty-weighted space resection

Zhiyuan Niu, Linghui Yang, Yongjie Ren, Jiarui Lin, Jigui Zhu

Proceedings Volume 11439, 114391I (2020) https://doi.org/10.1117/12.2550173

KEYWORDS: Cameras, Imaging systems, 3D metrology, Calibration, Control systems, Navigation systems, Matrices, Zinc, Aerospace engineering, Reliability

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SPIE Journal Paper | 26 April 2018 Open Access

Study on verifying the angle measurement performance of the rotary-laser system

Jin Zhao, Yongjie Ren, Jiarui Lin, Shibin Yin, Jigui Zhu

OE, Vol. 57, Issue 04, 044106, (April 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.4.044106

KEYWORDS: Transmitters, Receivers, Autocollimators, Prisms, Head, Error analysis, Optical engineering, Computing systems, Fluctuations and noise, Data modeling

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Proceedings Article | 12 January 2018 Paper

Compensation of sampling error in frequency scanning interferometry

Yue Shang, Jiarui Lin, Linghui Yang, Yongjie Ren

Proceedings Volume 10621, 106210K (2018) https://doi.org/10.1117/12.2295243

KEYWORDS: Interferometry, Interferometers, Error analysis, Distance measurement, Metrology, Ranging, Absorption, Femtosecond phenomena, Fabry–Perot interferometers

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Proceedings Article | 12 January 2018 Paper

Analysis on the dynamic error for optoelectronic scanning coordinate measurement network

Shendong Shi, Linghui Yang, Jiarui Lin, Siyang Guo, Yongjie Ren

Proceedings Volume 10621, 106210N (2018) https://doi.org/10.1117/12.2296263

KEYWORDS: Transmitters, Receivers, Error analysis, Optoelectronics, Manufacturing, Head, Manufacturing equipment, Photogrammetry, Analytical research, Superposition

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Proceedings Article | 12 January 2018 Paper

Rotating machinery vibration analysis of the rotary-laser scanning measurement system

Siyang Guo, Yongjie Ren, Shendong Shi, Linghui Yang, Jiarui Lin

Proceedings Volume 10621, 106210E (2018) https://doi.org/10.1117/12.2295752

KEYWORDS: Signal processing, Transmitters, Statistical analysis, Signal detection, Transducers, Smoothing, Fourier transforms

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SPIE Journal Paper | 11 October 2017

Design of an omnidirectional single-point photodetector for large-scale spatial coordinate measurement

Hongbo Xie, Chensheng Mao, Yongjie Ren, Jigui Zhu, Chao Wang, Lei Yang

OE, Vol. 56, Issue 10, 104105, (October 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.10.104105

KEYWORDS: Photodiodes, Aspheric lenses, Photodetectors, Sensors, Optical instrument design, Metrology, Spherical lenses, Solids, Optical engineering, Transmitters

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SPIE Journal Paper | 9 September 2017 Open Access

Study of network topology effect on measurement accuracy for a distributed rotary-laser measurement system

Siyang Guo, Jiarui Lin, Yongjie Ren, Linghui Yang, Jigui Zhu

OE, Vol. 56, Issue 09, 094101, (September 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.9.094101

KEYWORDS: Computer simulations, Transmitters, Receivers, Distributed computing, Mathematical modeling, Optical engineering, Environmental sensing, Global Positioning System, Monte Carlo methods, Factor analysis

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SPIE Journal Paper | 21 March 2016

Photoelectric scanning-based method for positioning omnidirectional automatic guided vehicle

Zhe Huang, Linghui Yang, Yunzhi Zhang, Yin Guo, Yongjie Ren, Jiarui Lin, Jigui Zhu

OE, Vol. 55, Issue 03, 034105, (March 2016) https://doi.org/10.1117/12.10.1117/1.OE.55.3.034105

KEYWORDS: Receivers, Transmitters, Error analysis, Signal processing, Calibration, Optical engineering, Uncertainty analysis, Robots, Distance measurement, Inspection

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Proceedings Article | 7 August 2015 Paper

Method for 3D coordinate measurement based on linear camera equipped with cylindrical lenses

Haiqing Liu, Linghui Yang, Jiarui Lin, Yongjie Ren, Jigui Zhu

Proceedings Volume 9623, 96230B (2015) https://doi.org/10.1117/12.2193328

KEYWORDS: Cameras, 3D metrology, Calibration, CCD cameras, Distortion, Cylindrical lenses, Composites, Charge-coupled devices, Imaging systems, Metrology

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Proceedings Article | 7 August 2015 Paper

2D position guidance with single-station optical scan-based system

Siyang Guo, Yongjie Ren, Zhe Huang, Yang Chen, Tianqi Hong

Proceedings Volume 9623, 96230F (2015) https://doi.org/10.1117/12.2193339

KEYWORDS: Transmitters, Receivers, Mathematical modeling, Navigation systems, Laser optics, Laser systems engineering, Calibration, Data processing, Singular optics, Global Positioning System

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SPIE Journal Paper | 18 February 2014

Study on reducing the precision loss of a portable probe in large-scale measurements

Bin Xue, Jigui Zhu, Yongjie Ren, Linghui Yang, Jun Wu, Zhexu Liu

OE, Vol. 53, Issue 02, 024106, (February 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.2.024106

KEYWORDS: Sensors, Optical engineering, Algorithm development, Signal processing, Clouds, Chemical elements, Error analysis, Matrices, Calibration, Optical instrument design

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SPIE Journal Paper | 3 November 2012

Calibration technology in application of robot-laser scanning system

Yong-jie Ren, ShiBin Yin, Jigui Zhu

OE, Vol. 51, Issue 11, 114204, (November 2012) https://doi.org/10.1117/12.10.1117/1.OE.51.11.114204

KEYWORDS: Sensors, Calibration, Optical spheres, Robotic systems, Clouds, Laser systems engineering, Optical scanning systems, 3D scanning, Laser scanners, Optical engineering

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Proceedings Article | 10 June 2006 Paper

The design and realization of a sort of robot vision measure system

Yong-jie Ren, Ji-gui Zhu, Xue-you Yang, Sheng-hua Ye

Proceedings Volume 6344, 63442Z (2006) https://doi.org/10.1117/12.694430

KEYWORDS: Sensors, Robot vision, Calibration, Robotic systems, Cameras, Space robots, Image sensors, 3D modeling, Time metrology, Software

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Showing 5 of 15 publications

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