Automatic optimization design of laser triangulation ranging sensors using an improved genetic algorithm

Zhang, Hao; Wang, Shiji; Wang, Jieping

doi:10.1016/j.measurement.2024.115739

Measurement

2025

DOI: 10.1016/j.measurement.2024.115739

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Automatic optimization design of laser triangulation ranging sensors using an improved genetic algorithm

Hao Zhang,

Shiji Wang,

Jieping Wang

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Cited by 2 publications

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An Exploration of the Application of Virtual Reality Technology in Enhancing the Interactive Experience in Online Education

Gao

2024

Applied Mathematics and Nonlinear Sciences

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Virtual reality is the process of new development in the new era. The continuous development of education technology is always fueled by the application of new technologies in the field of education and teaching, even though the technology has not yet matured. In this paper, 3D scanning technology is used to construct a three-dimensional scene after collecting point cloud data from the online education environment. The motion capture instrument is used to collect the action characteristics of teachers and students in the online education classroom, and the Kalman filter algorithm is used to process the data for the recognition of interactive actions. Based on this, the online education teaching system based on virtual reality technology is constructed to achieve good interaction between teachers and students in teaching. The results of the teaching experiment show that the post-test learning performance of students in the VR group who learned through virtual reality is better than that of the traditional group, and the pre and post-test scores of students’ learning motivation in the VR group are improved in all dimensions, and all of them reach the level of significance (P<0.001). Additionally, the language of students in VR classroom teaching saw a significant improvement (34.99%), and they gained a positive interactive experience. This paper found that virtual reality technology has a positive impact on student motivation and learning outcomes, which lays the foundation for promoting students’ interactive experiences and learning outcomes in online education.

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An Exploration of the Application of Virtual Reality Technology in Enhancing the Interactive Experience in Online Education

Gao

2024

Applied Mathematics and Nonlinear Sciences

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Extension of the Side Distance Measurement Aspect Ratio in the Measurement of a Slot or Bore Using a Commercial Laser Triangulation Sensor

Hošek

2024

Sensors

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We propose a new commercial laser triangulation sensor modification to enable the measurement of slots or bores side distance. The study showed the possibility of extending the sensor depth range for a slot or bore side distance measurement using a bypass of the illumination laser beam compared to a simple single mirror attachment to the sensor probe. We derived relations allowing for evaluation of the modified sensor side measurement range in desired depth based on the sensor parameters and the reflective mirror size and position. We demonstrated the functionality of the proposed measurement arrangement with an attachment to the commercial laser triangulation sensor and assessed the side-wall distance measurement. The results show the correct measurement depth and range prediction and the ability to perform side surface distance measurements at depths of more than 3.5 times the slot size.

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Automatic optimization design of laser triangulation ranging sensors using an improved genetic algorithm

Cited by 2 publications

References 22 publications

An Exploration of the Application of Virtual Reality Technology in Enhancing the Interactive Experience in Online Education

An Exploration of the Application of Virtual Reality Technology in Enhancing the Interactive Experience in Online Education

Extension of the Side Distance Measurement Aspect Ratio in the Measurement of a Slot or Bore Using a Commercial Laser Triangulation Sensor

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