Because the near eye display (NED) device mainly displays its imaging effect with a unique virtual image, in essence, compared with the traditional display device, the measurement requirements and methods of brightness, light leakage ratio and other related parameters have also changed. By analyzing the imaging characteristics of optical waveguide AR display equipment, a comparative test scheme for brightness and light leakage ratio is proposed. The same type of arrayed optical waveguide NED module is experimentally measured by using equipment with different test principles, and the measurement results are compared and analyzed. The research results show that the measurement results of the ordinary aiming point luminance meter are not the luminance values in the real display. For the measurement of a certain illumination degree of the equipment, the luminance value and light leakage measured by the aiming point luminance meter have lower deviation than that measured by the two-dimensional imaging luminance meter. Therefore, in the process of testing NED, it is necessary to correctly select the measuring instrument according to its imaging characteristics, the size of the area to be tested and the test scene.
{"title":"Comparative study on brightness and leakage ratio test methods of optical waveguide augmented reality glasses","authors":"Fei Di, Yingying Xu, Chi Chen, Jinjun Wu","doi":"10.1117/12.2667900","DOIUrl":"https://doi.org/10.1117/12.2667900","url":null,"abstract":"Because the near eye display (NED) device mainly displays its imaging effect with a unique virtual image, in essence, compared with the traditional display device, the measurement requirements and methods of brightness, light leakage ratio and other related parameters have also changed. By analyzing the imaging characteristics of optical waveguide AR display equipment, a comparative test scheme for brightness and light leakage ratio is proposed. The same type of arrayed optical waveguide NED module is experimentally measured by using equipment with different test principles, and the measurement results are compared and analyzed. The research results show that the measurement results of the ordinary aiming point luminance meter are not the luminance values in the real display. For the measurement of a certain illumination degree of the equipment, the luminance value and light leakage measured by the aiming point luminance meter have lower deviation than that measured by the two-dimensional imaging luminance meter. Therefore, in the process of testing NED, it is necessary to correctly select the measuring instrument according to its imaging characteristics, the size of the area to be tested and the test scene.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127984284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sialon ceramic tool material has excellent mechanical properties and high temperature resistance, which is one of the most potential tool materials at present, and it has been widely used in the machining of Inconel 718 superalloy. It is of great value to discuss the high-speed cutting of superalloy Inconel 718. Therefore, it is necessary to clarify the wear principle and cutting performance of Sialon ceramic tool during high-speed cutting of superalloy Inconel 718, so as to ensure the overall cutting quality and prolong the service life of the tool. Based on this, this paper introduces the basic situation of Sialon series materials, and discusses the wear principle and cutting performance of Sialon during high-speed cutting of superalloy Inconel 718 from the aspects of tool service time, cutting force and surface roughness by means of experiments, so as to provide reference for high-speed cutting of superalloy Inconel 718 in China.
{"title":"Analysis on wear principle and cutting performance of Sialon ceramic tool in high-speed cutting of superalloy Inconel 718","authors":"Yang Zhang, Bo Wang","doi":"10.1117/12.2667903","DOIUrl":"https://doi.org/10.1117/12.2667903","url":null,"abstract":"Sialon ceramic tool material has excellent mechanical properties and high temperature resistance, which is one of the most potential tool materials at present, and it has been widely used in the machining of Inconel 718 superalloy. It is of great value to discuss the high-speed cutting of superalloy Inconel 718. Therefore, it is necessary to clarify the wear principle and cutting performance of Sialon ceramic tool during high-speed cutting of superalloy Inconel 718, so as to ensure the overall cutting quality and prolong the service life of the tool. Based on this, this paper introduces the basic situation of Sialon series materials, and discusses the wear principle and cutting performance of Sialon during high-speed cutting of superalloy Inconel 718 from the aspects of tool service time, cutting force and surface roughness by means of experiments, so as to provide reference for high-speed cutting of superalloy Inconel 718 in China.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132809188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yunhe Zhang, Chen Chang, Huizu Lin, Shuai Sun, Wei-Tao Liu
Ghost imaging, a new type of active imaging, has attracted much attention because of its unique imaging mechanism. As an important application of ghost imaging, three-dimensional correlative imaging has been developed in recent years. At present, the main method of 3D ghost imaging is to use the time-of-flight method to obtain the distance from the target object to the imaging system. However, this method is not easy to achieve millimeter-accurate distance measurement in the distance range within 1m because of the limitation of the measuring instruments. In this paper, by using binocular stereo vision which is a more intuitive 3D imaging method combined with computational ghost imaging, millimeteraccurate distance measurement can be performed on objects within 50 cm. Binocular 3D ghost imaging performs well at close range and is relatively simple to implement, which may help robots avoid obstacles and medical imaging.
{"title":"3D computational ghost imaging via binocular vision","authors":"Yunhe Zhang, Chen Chang, Huizu Lin, Shuai Sun, Wei-Tao Liu","doi":"10.1117/12.2667766","DOIUrl":"https://doi.org/10.1117/12.2667766","url":null,"abstract":"Ghost imaging, a new type of active imaging, has attracted much attention because of its unique imaging mechanism. As an important application of ghost imaging, three-dimensional correlative imaging has been developed in recent years. At present, the main method of 3D ghost imaging is to use the time-of-flight method to obtain the distance from the target object to the imaging system. However, this method is not easy to achieve millimeter-accurate distance measurement in the distance range within 1m because of the limitation of the measuring instruments. In this paper, by using binocular stereo vision which is a more intuitive 3D imaging method combined with computational ghost imaging, millimeteraccurate distance measurement can be performed on objects within 50 cm. Binocular 3D ghost imaging performs well at close range and is relatively simple to implement, which may help robots avoid obstacles and medical imaging.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130114832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A motion state model set for maneuvering target has been established to solve the problem of the increased trajectory measurement error in the maneuvering process of aerial vehicle. The low accuracy of filter caused by the incomplete description of motion state for the single model has been solved by utilizing the interacting multiple model (IMM) algorithm. The adaptive factor has been introduced to the Unscented Kalman Filter (UFK) to resolve the inaccurate observation error prior by adjusting the process noise covariance matrix in real time. The adaptive probability conversion factor based on compression ratio has been added to the IMM algorithm, enhancing its convergence rate. At last, a new AIMM-AUKF trajectory measurement filter algorithm has been formed so that the high accuracy measurement for the trajectory of random maneuvering target has been achieved and the validity the proposed algorithm has been verified through simulation.
{"title":"Study on the trajectory measurement filter algorithm for an adaptive IMM aerial vehicle","authors":"Jian Li, Kewang Zheng, Kangning Zhao","doi":"10.1117/12.2667886","DOIUrl":"https://doi.org/10.1117/12.2667886","url":null,"abstract":"A motion state model set for maneuvering target has been established to solve the problem of the increased trajectory measurement error in the maneuvering process of aerial vehicle. The low accuracy of filter caused by the incomplete description of motion state for the single model has been solved by utilizing the interacting multiple model (IMM) algorithm. The adaptive factor has been introduced to the Unscented Kalman Filter (UFK) to resolve the inaccurate observation error prior by adjusting the process noise covariance matrix in real time. The adaptive probability conversion factor based on compression ratio has been added to the IMM algorithm, enhancing its convergence rate. At last, a new AIMM-AUKF trajectory measurement filter algorithm has been formed so that the high accuracy measurement for the trajectory of random maneuvering target has been achieved and the validity the proposed algorithm has been verified through simulation.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131083565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shuai Zhang, Zhongwei Chen, Xiaobo Zhuansun, X. Ma, Jiazheng Ni
The role of the ship exhaust infrared suppression system is to control the infrared radiation of the ship exhaust system by reducing the temperature of the ship's chimney wall and exhaust smoke, thereby reducing the probability of the ship being detected by the infrared system. This paper studies the part of the chimney with shutters installed, and uses the fluid calculation software FLUENT to carry out numerical calculations. By simplifying the actual structure, the shutter flow field model is established. The exhaust temperature and infrared radiance of the ship's power system, as well as the structure and characteristics of the flow field, were simulated under the conditions of four different opening areas of the shutter. By analyzing the effect of the opening area of the shutter on the average temperature of the exhaust system, the variation law of the effect of the opening area of the shutter on the infrared radiation characteristics of the chimney is obtained. It is further found that when the opening area of the shutter is 0.6-0.65 of the side wall area, the infrared stealth performance of the ship's power exhaust will have a better effect.
{"title":"Influence of the shutter opening area in the chimney trunk on the infrared stealth performance of the power exhaust device","authors":"Shuai Zhang, Zhongwei Chen, Xiaobo Zhuansun, X. Ma, Jiazheng Ni","doi":"10.1117/12.2667816","DOIUrl":"https://doi.org/10.1117/12.2667816","url":null,"abstract":"The role of the ship exhaust infrared suppression system is to control the infrared radiation of the ship exhaust system by reducing the temperature of the ship's chimney wall and exhaust smoke, thereby reducing the probability of the ship being detected by the infrared system. This paper studies the part of the chimney with shutters installed, and uses the fluid calculation software FLUENT to carry out numerical calculations. By simplifying the actual structure, the shutter flow field model is established. The exhaust temperature and infrared radiance of the ship's power system, as well as the structure and characteristics of the flow field, were simulated under the conditions of four different opening areas of the shutter. By analyzing the effect of the opening area of the shutter on the average temperature of the exhaust system, the variation law of the effect of the opening area of the shutter on the infrared radiation characteristics of the chimney is obtained. It is further found that when the opening area of the shutter is 0.6-0.65 of the side wall area, the infrared stealth performance of the ship's power exhaust will have a better effect.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124042374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lan Xiao, Jianjun Li, Tao Qi, Kunmeng Zhou, Jia-min Weng
Aiming at the stability control requirements of high stability solar simulation light source, a white laser power stability control method based on quartz is proposed. The quartz plate is connected and fixed with the scanlab, and the relationship between the Angle of the incident light and the transmittance is taken as the signal regulation principle. When the scanlab rotates the quartz slab, the light signal transmitted by the quartz slab is adjusted. Based on Fresnel's Law, the rotation Angle and transmittance parameters under different wavelength of incident light are analyzed. And the rotation Angle range of quartz is calculated, which provides the output parameter support for realizing the power stability of light source. PID algorithm is used to modulate the error of the signal of the monitoring detector and the voltage corresponding to reference power so as to accurately adjust the output of scanlab. The stabilizer is used to control the power of the white laser, and the Trap detector is used to verify the level of power stability. The experiment results of the stability of the laser after modulation is as follows: the standard deviation CV is 0.069%/55min and the peak-to-peak fluctuation SV is ±0.302%/55min. Compared with the free-running result, SV and CV are improved to 1/15.83 and 1/33.04 respectively, and the power stability of the white laser is enhanced, meeting the stability requirement of 99.6%.
{"title":"Power stability control based on white laser","authors":"Lan Xiao, Jianjun Li, Tao Qi, Kunmeng Zhou, Jia-min Weng","doi":"10.1117/12.2668009","DOIUrl":"https://doi.org/10.1117/12.2668009","url":null,"abstract":"Aiming at the stability control requirements of high stability solar simulation light source, a white laser power stability control method based on quartz is proposed. The quartz plate is connected and fixed with the scanlab, and the relationship between the Angle of the incident light and the transmittance is taken as the signal regulation principle. When the scanlab rotates the quartz slab, the light signal transmitted by the quartz slab is adjusted. Based on Fresnel's Law, the rotation Angle and transmittance parameters under different wavelength of incident light are analyzed. And the rotation Angle range of quartz is calculated, which provides the output parameter support for realizing the power stability of light source. PID algorithm is used to modulate the error of the signal of the monitoring detector and the voltage corresponding to reference power so as to accurately adjust the output of scanlab. The stabilizer is used to control the power of the white laser, and the Trap detector is used to verify the level of power stability. The experiment results of the stability of the laser after modulation is as follows: the standard deviation CV is 0.069%/55min and the peak-to-peak fluctuation SV is ±0.302%/55min. Compared with the free-running result, SV and CV are improved to 1/15.83 and 1/33.04 respectively, and the power stability of the white laser is enhanced, meeting the stability requirement of 99.6%.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131710064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Huilin Cao, Z. Tan, Shiyu Guan, Yunzheng Wang, Shirong Chen, Zeya Yang
In this paper, the eigenvalue of the super-high precision stable resonator is used as a reference frequency, and the wide-linewidth semiconductor laser is used as a light source. To keep costs down, this work combines the optical feedback effect with the Pound- Drever- Hall laser frequency stabilization method, abandons the electro-optic modulator used in the traditional technology and adopts the optical path tuning method to carry out the phase modulation of the incident light field. The document derives from the shape of error signal in frequency stabilization technology in the presence of optical feedback effect notionally. As per this error signal, the length of resonator cavity is controlled by feedback controlled via the circuit system, and then successfully stabilizes the resonant frequency of the resonator at the center frequency of the laser output.
{"title":"Frequency stabilization of a distributed feedback diode laser by resonant feedback from a V-type passive resonator","authors":"Huilin Cao, Z. Tan, Shiyu Guan, Yunzheng Wang, Shirong Chen, Zeya Yang","doi":"10.1117/12.2668323","DOIUrl":"https://doi.org/10.1117/12.2668323","url":null,"abstract":"In this paper, the eigenvalue of the super-high precision stable resonator is used as a reference frequency, and the wide-linewidth semiconductor laser is used as a light source. To keep costs down, this work combines the optical feedback effect with the Pound- Drever- Hall laser frequency stabilization method, abandons the electro-optic modulator used in the traditional technology and adopts the optical path tuning method to carry out the phase modulation of the incident light field. The document derives from the shape of error signal in frequency stabilization technology in the presence of optical feedback effect notionally. As per this error signal, the length of resonator cavity is controlled by feedback controlled via the circuit system, and then successfully stabilizes the resonant frequency of the resonator at the center frequency of the laser output.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121476211","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
To further investigate the failure process of concrete in demolition blasting, the concrete blasting experiments were conducted. The digital image correlation (DIC) method was used to measure the full field surface deformation. In the DIC method, the surface fitting sub-pixel displacement algorithm has simple structure and high computational efficiency, however, the accuracy is poor. A new surface fitting algorithm based on moving least square method with a Gaussian basis function and a 3×3 fitting window was used and the accuracy was improved to 1/200 pixel. The blasting experiment results show that the failure of concrete is driven by blasting stress wave and gas. The action time is about 4.5 ms. The formation of crack is dominated by stress wave. The maximum velocity of crack propagation is 225.95 m/s, the average velocity is 122.27 m/s, and the time is about 1.75 ms. The gas mainly makes the crack to expand, and then divides the concrete. Under explosion loading, the concrete also shows a fracture process zone, and a strain concentration is formed at the crack tip. The length of the fracture process zone is 8~9 times of the maximum aggregate size.
{"title":"Application of improved surface fitting algorithm in digital image correlation method on concrete blasting process","authors":"Xinnan Cui, Jianming Wang, X. Yue, Chong Chen, Huaiyuan Wang, Yinjun Wang","doi":"10.1117/12.2667867","DOIUrl":"https://doi.org/10.1117/12.2667867","url":null,"abstract":"To further investigate the failure process of concrete in demolition blasting, the concrete blasting experiments were conducted. The digital image correlation (DIC) method was used to measure the full field surface deformation. In the DIC method, the surface fitting sub-pixel displacement algorithm has simple structure and high computational efficiency, however, the accuracy is poor. A new surface fitting algorithm based on moving least square method with a Gaussian basis function and a 3×3 fitting window was used and the accuracy was improved to 1/200 pixel. The blasting experiment results show that the failure of concrete is driven by blasting stress wave and gas. The action time is about 4.5 ms. The formation of crack is dominated by stress wave. The maximum velocity of crack propagation is 225.95 m/s, the average velocity is 122.27 m/s, and the time is about 1.75 ms. The gas mainly makes the crack to expand, and then divides the concrete. Under explosion loading, the concrete also shows a fracture process zone, and a strain concentration is formed at the crack tip. The length of the fracture process zone is 8~9 times of the maximum aggregate size.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124355660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
At present, temperature sensors are relatively mature, and commercial sensors are mainly thermistors and thermocouples, which have the advantages of low cost and large temperature range. However, it is difficult to meet the requirements of some special occasions, such as strong electromagnetic interference, strong corrosiveness and other environments, and high-precision temperature measurement cannot be performed. Fiber Bragg grating is a kind of fiber optic sensor, which has the advantages of anti-electromagnetic interference resistance, corrosion resistance and high sensitivity. The fiber Bragg grating obtains sensing information by modulating the Bragg wavelength of the fiber through the change of the external temperature parameter, and can automatically monitor the temperature change of the object to be measured. In this paper, the temperature sensing test experiment of fiber Bragg grating is carried out. The results show that the center wavelength of the grating has a good linear response to the temperature of the object to be measured, and the temperature error is within ±0.5℃. temperature sensing.
{"title":"Automatic temperature monitoring technology based on fiber grating sensor","authors":"Xinxiang Shao, Heng Zhu, Yutong Wang, Hong-Tao Jiang","doi":"10.1117/12.2667908","DOIUrl":"https://doi.org/10.1117/12.2667908","url":null,"abstract":"At present, temperature sensors are relatively mature, and commercial sensors are mainly thermistors and thermocouples, which have the advantages of low cost and large temperature range. However, it is difficult to meet the requirements of some special occasions, such as strong electromagnetic interference, strong corrosiveness and other environments, and high-precision temperature measurement cannot be performed. Fiber Bragg grating is a kind of fiber optic sensor, which has the advantages of anti-electromagnetic interference resistance, corrosion resistance and high sensitivity. The fiber Bragg grating obtains sensing information by modulating the Bragg wavelength of the fiber through the change of the external temperature parameter, and can automatically monitor the temperature change of the object to be measured. In this paper, the temperature sensing test experiment of fiber Bragg grating is carried out. The results show that the center wavelength of the grating has a good linear response to the temperature of the object to be measured, and the temperature error is within ±0.5℃. temperature sensing.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126375553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Aiming to fulfill the need for noise monitoring of a power grid, a self-powered system was established in this study for noise monitoring sensors of power equipment. Specifically, the self-powered system is a wireless vibrational energy transduction and storage system that has low power consumption and does not require a power supply. It includes a transducer module, a circuit conditioning module, and an energy storage module. In particular, the piezoelectric sheet was designed based on the vibration characteristics of power equipment and a zinc oxide nanowire array was selected as the material of the transducer module, which converts vibrational power used by the power equipment into electrical energy. An LTC 3588-1 chip was adopted for the circuit conditioning module to rectify the electrical energy collected. Meanwhile, lithium batteries were employed for the energy storage module. Through preliminary experimental research, the system demonstrates good energy transduction and storage functions. Regarding the technical characteristics of this self-powered system, the respective installation and maintenance are convenient. Further, such vibrational energy harvesting technology uses the vibration of the power equipment itself as an energy source; thus, it has potential in applications in which obtaining light energy and replacing batteries are difficult.
{"title":"Design and experiment of self-powered system for noise monitoring sensors of power equipment","authors":"Liying Zhu, Leilei Wang, Songyang Zhang, Qiang He, Kaimei Zhao, Lipeng Mi","doi":"10.1117/12.2668019","DOIUrl":"https://doi.org/10.1117/12.2668019","url":null,"abstract":"Aiming to fulfill the need for noise monitoring of a power grid, a self-powered system was established in this study for noise monitoring sensors of power equipment. Specifically, the self-powered system is a wireless vibrational energy transduction and storage system that has low power consumption and does not require a power supply. It includes a transducer module, a circuit conditioning module, and an energy storage module. In particular, the piezoelectric sheet was designed based on the vibration characteristics of power equipment and a zinc oxide nanowire array was selected as the material of the transducer module, which converts vibrational power used by the power equipment into electrical energy. An LTC 3588-1 chip was adopted for the circuit conditioning module to rectify the electrical energy collected. Meanwhile, lithium batteries were employed for the energy storage module. Through preliminary experimental research, the system demonstrates good energy transduction and storage functions. Regarding the technical characteristics of this self-powered system, the respective installation and maintenance are convenient. Further, such vibrational energy harvesting technology uses the vibration of the power equipment itself as an energy source; thus, it has potential in applications in which obtaining light energy and replacing batteries are difficult.","PeriodicalId":227067,"journal":{"name":"International Conference on Precision Instruments and Optical Engineering","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126817187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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