Ground surface detection method using ground penetrating radar signal for sugarcane harvester base-cutter control

Zhao, Liang; Zhang, Jun; Jiao, Shengjie; Zheng, Ting; Li, Jie; Zhao, Tieshuan

doi:10.1016/j.biosystemseng.2022.04.024

Cited by 8 publications

(6 citation statements)

References 17 publications

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“…Thus, the GPR also being pushed at the other area such as road shoulder which is cover by the uneven surface such as gravel. Besides the impact of the physical antenna as described before, [11] stated that the irregular surface induced different travel times, thus resulting in scattering that is exhibited in a hyperbolic pattern. The interaction between the antenna system and the ground, such as shields and support structures, causes changes in antenna characteristics [6].…”

Section: Ground Coupled Antennamentioning

confidence: 98%

Utilizing of 500 MHz Ground Penetrating Radar Antenna Coupling at Different Interval Heights Clearance

Junoh,

Sulaiman,

Razali

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Understanding the characteristics of the GPR antenna for underground utility detection purposes is critical to ensuring that buried pipes and cables can be accurately located. Considering the ground coupling antenna is the most effective way to carry out the GPR scan, most of the operators applied this setup to ensure the maximum amount of the electromagnetic wave could be penetrated into the ground. However, the contact between the GPR and the ground surface causes the bottom of the antenna enclosure to become scratched and worn out. Due to the cost and time involved in transportation to replace the antenna protector, a few GPR operators changed the protector to the cheapest one, which affects the characteristics of the antenna and could alter the depth of the underground utilities. A 500 MHz GPR antenna are tested to identify the optimum antenna coupling based on the accuracy assessment at various interval clearance heights in order to reduce damage and preserve the antenna. An experiment was carried out at Department of Survey and Mapping Malaysia (JUPEM) Kuala Lumpur’s Underground Utility Test Base. Based on the result of the signal strength, the higher the antenna is lifted, the higher the rate of the signal becomes weak or lost. For the depth accuracy test, the high differences in depth when the antenna is lifted up at 4cm to 6cm based on the result of comparison with the standard values provided by the JUPEM. On the other hand, the accuracy of each antenna height is compared and validated based on the Residual Mean Square Error (RMSE). Overall, this study could lead to the conclusion that the result of the assessment is within the acceptable RMSE tolerance, which is below 0.1m. The objective of the research is successfully achieved when the antenna at a 3cm to 6cm interval height setup provides the best clearance based on the criteria of signal strength, depth comparison, and accuracy assessment. Finally, the issue of contact between the antenna and the ground surface, which causes the antenna to become scratched and worn out, could be reduced and preserved as a result of the findings.

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Section: Ground Coupled Antennamentioning

confidence: 98%

Utilizing of 500 MHz Ground Penetrating Radar Antenna Coupling at Different Interval Heights Clearance

Junoh,

Sulaiman,

Razali

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…In the sugarcane production cycle, mechanization facilitates soil tillage, crop management and harvesting processes. However, it can also have negative consequences when misused, e.g., it can damage stalks and harm the soil [27][28][29][30][31].…”

Section: Digitalization and Transformation In Agriculturementioning

confidence: 99%

“…The mechanical process of harvesting sugarcane can result in losses, primarily because of factors such as operator oversight, variations in terrain and soil conditions, the composition of the cane, harvester speed and cutting set [95]. Given that the cutting mechanism of the harvester plays a significant role in determining the quality of the harvest, numerous studies have been conducted on this aspect [31,93,[96][97][98][99], but despite these efforts, limited studies have attempted to make real-time diagnosis on the cutting blade conditions.…”

Section: Digital Solutions In Sugarcane Mechanizationmentioning

confidence: 99%

Challenges of Digital Solutions in Sugarcane Crop Production: A Review

Molin,

Wei,

da Silva

2024

AgriEngineering

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Over the years, agricultural management practices are being improved as they integrate Information and Communication Technologies (ICT) and Precision Agriculture tools. Regarding sugarcane crop production, this integration aims to reduce production cost, enhance input applications, and allow communication among different hardware and datasets, improving system sustainability. Sugarcane mechanization has some particularities that mandate the development of custom solutions based on digital tools, which are being applied globally in different crops. Digital mechanization can be conceived as the application of digital tools on mechanical operation. This review paper addresses different digital solutions that have contributed towards the mechanization of sugarcane crop production. The process of digitalization and transformation in agriculture and its related operations to sugarcane are presented, highlighting important ICT applications such as real-time mechanical operations monitoring and integration among operations, demonstrating their contributions and limitations regarding management efficiency. In addition, this article presents the major challenges to overcome and possible guidance on research to address these issues, i.e., poor communication technologies available, need for more focus on field and crop data, and lack of data interoperability among mechanized systems.

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“…According to the analysis of introduction, it is clear that the non-contact perception mode is not ideal for dealing with disturbances. In the future, if there are non-contact methods with application value to sugarcane harvesting, such as image recognition technology with complex background features or electromagnetic wave technology penetrating interferents [34], it can be our next research goal. However, at this stage, unless the sugarcane harvesting process is reformed, although the uncertainty in the practical application of contact methods is much more difficult than that of non-contact methods, according to our experimental analysis, Suomi et al also confirmed that the contact measurement method is a more suitable solution for the analysis of the tillage depth test of the planter [16].…”

Section: Regression Analysis Predictionmentioning

confidence: 99%

Research on Terrain Sensing Method and Model Prediction for Height Adjustment of Sugarcane Harvester Base Cutter

Zhao

Jiao

Wang

et al. 2022

Wireless Communications and Mobile Computing

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The sugarcane plantations in China occupy large areas of undulated terrain. During the operation of a sugarcane harvester, the operator’s vision is severely obstructed, and the height of the cutter needs to be adjusted frequently, resulting in low sugarcane harvesting efficiency and difficulty in ensuring harvesting quality. However, the current diversified non-contact methods are unable to distinguish or penetrate the interference well to provide feedback regarding the change in terrain height. Based on the proposed contact sensing method, a contact terrain sensing device is designed for application to the sugarcane harvester, and the orthogonal test is carried out with the standard orthogonal table L9(34) to study the influence of the working parameters of the device on the terrain height sensing performance. Through the analysis of the working principle of the device, three factors (moving speed, rotational torque, and preload) are tested in three levels, and index systems of the Fréchet distance and residual standard deviation are proposed. The range and variance analysis methods are used to statistically analyze the test results to determine the primary and secondary orders of operation parameters. Then, the regression model was obtained by regression analysis on the influencing factors. After analysis, the influences of moving speed and rotating torque were found to be the most significant, and the influence of preload was the smallest. The results show that the average relative errors between the experimental values and predicted model values of the Fréchet distance and residual standard deviation were 3.46% and 2.48%. According to the practical applications of the sugarcane harvester and the data of the two indexes, the optimal value ranges of moving speed (km/h) and rotating torque (Nm) are determined as (1.57, 1.75) and (0.73, 0.86), respectively, which provide a certain reference for the subsequent application of the terrain sensing device to sugarcane harvesters.

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Ground surface detection method using ground penetrating radar signal for sugarcane harvester base-cutter control

Cited by 8 publications

References 17 publications

Utilizing of 500 MHz Ground Penetrating Radar Antenna Coupling at Different Interval Heights Clearance

Utilizing of 500 MHz Ground Penetrating Radar Antenna Coupling at Different Interval Heights Clearance

Challenges of Digital Solutions in Sugarcane Crop Production: A Review

Research on Terrain Sensing Method and Model Prediction for Height Adjustment of Sugarcane Harvester Base Cutter

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