Power Requirement Estimation for Cutting Paddy Crop Using a Standard Cutter Bar

Sahoo, Arjya Utkalini; Raheman, Hifjur

doi:10.1007/s40030-020-00444-6

Cited by 4 publications

(15 citation statements)

References 6 publications

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“…6. Total cutting power vs. cutting blade rev/min at a different rotational speed the blade increased from 500 to 900 rev/min, the power requirement also increased and thereafter reduced within the variable range in all blade types and results followed the study of Sahoo & Raheman (2020). In the present study, a minimum cutting power of 0.62 kW requirement was observed in the SMS serrated blade and hence, it was selected for the optimization of design variables.…”

Section: Methodssupporting

confidence: 52%

See 1 more Smart Citation

Laboratory Investigation on Rotary Impact Cutter Blade Parameters for Multistep Cutting of Paddy Straw

2023

IJE

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The present study focused on the laboratory evaluation and optimization of the chopping unit of straw chopper cum mixture machine for paddy straw management. During the study a laboratory setup was developed for simulating the cutting process of counter-rotating blades of a chopper for cutting of paddy straw. The effect of operational parameters i.e., blade type, rotational and forward speed of the machine, and crop parameters i.e. days after harvesting (DAH) on the power requirement was observed. The response surface methodology was used to develop a statistical model to predict the torque requirement for chopping straw by front attachment of the rotary tiller. The developed model was optimized in order to minimize power required during chopping operation. The results of study showed that the cutting torque was significantly (p≤0.05) affected by the rotational speed, forward speed and DAH of the paddy straw. A straw management system (SMS) serrated blade operating at rotational and forward speed of 900 rev. min and 1 km.h respectively with average cutting torque of 3.8 N-m was -1 -1found to be optimal for cutting the paddy straw. The paddy straw chopping performed after 1-2 DAH requires minimum power. Hence, it was concluded that the optimized chopping system can be effectively used as cutting unit in rice straw incorporator.

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Section: Methodssupporting

confidence: 52%

“…5). It may be due to the interacting time being less at high forward speed (Sahoo and Raheman 2020). The increase in days after harvesting (DAH) from 0 to 10 days the cutting torque also increased from 6.06 to 8.64 Nm because of the reduction in moisture content of the straw.…”

Section: Methodsmentioning

confidence: 99%

Laboratory Investigation on Rotary Impact Cutter Blade Parameters for Multistep Cutting of Paddy Straw

2023

IJE

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“…Hence, the maximum cutter bar speed was selected as 18.30 strokes/s. The forward speed was limited between 0.13 to 0.46 m.s −1 in the experimental plan to facilitate the operational speed of walk-behind harvesters (0.5 to 2.2 km.h −1 ) 25,26,34,35 . A total of 29 experimental combinations for each blade type were obtained by the "Design-Expert 13.0" software using face-centered CCD design, and three replications for each treatment with five center points were carried out using the developed experimental setup.…”

Section: Experimental Designmentioning

confidence: 99%

“…( 1) 37 and Eq. ( 2) 26 . The cutter bar speed was determined using the stroke of the knives and the frequency of oscillations.…”

Section: Test Proceduresmentioning

confidence: 99%

Force and power requirement for development of cumin harvester: a dynamic approach

Kumar,

Sahoo,

Kushwaha

et al. 2024

Sci Rep

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An experimental setup was developed for simulating the field conditions to determine the force and power required for cutting cumin crops in dynamic conditions. The effect of cutter bar speeds, forward speeds, and blade type on cutting force and power requirement for cutting cumin were also studied. Experiments were carried out at three levels: cutter bar speeds, forward speeds, and blade type. The results showed that all the factors significantly affected cutting force. The cutting force followed a decreasing trend with the increase in cutter bar speed. Whereas it followed an increasing trend with the increase in forward speed. The maximum cutting force for all three blades was observed at a cutter bar speed of 2.00 strokes.s-1 and forward speed of 0.46 m.s−1. The idle power and actual power required for cutting the cumin crop were also determined based on the cutting force. The results obtained were validated by the power drawn from the power source while operating the cutter bar blades. The R2 values for Blade-B1, Blade-B2, and Blade-B3 were 0.90, 0.82, and 0.88, respectively. The cutting force was primarily affected by the cutter bar speed, resulting in PCR values of 74.20%, 82.32%, and 81.75% for Blade-B1, Blade-B2, and Blade-B3, respectively, followed by the forward speed, which also had an impact on PCR values of 16.60%, 15.27%, and 18.25% for Blade-B1, Blade-B2, and Blade-B3, respectively. The cutting force for Blade-B1, Blade-B2, and Blade-B3 varied from 15.96 to 58.97 N, 21.08 to 76.64 N, and 30.22 to 85.31, respectively, for the selected range of cutter bar speed and forward speed. Blade-B1 had 18 and 30% less power consumption than Blade-B2 and Blade-B3, respectively.

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“…Furthermore, operational parameters of the cutting blade like bevel angle, blade orientation, and cutting speed have been shown to be vital in energy efficient crop cutting performance (Allameh & Alizadeh, 2016; Arzola & García, 2015; Dauda et al., 2015; Eliçin et al., 2019; Ghaffari et al., 2020; Hou et al., 2020; Mathanker et al., 2015; Maughan et al., 2014; Modak & Raheman, 2022; Nuţu et al., 2012; Sushilendra et al., 2016; Y. Wang et al., 2020; C. Zhang et al., 2019). Using the proper blade parameters also reduces the energy consumption during crop stem cutting (J. N. Chen et al., 2018; Ding et al., 2015; Jyoti et al., 2021; Koloor & Kiani, 2007; O'dogherty & Gale, 1991a; O'dogherty & Gale, 1991b; Sahoo & Raheman, 2020; Tabatabaee‐Koloor et al., 2004; Tabatabaee‐Koloor, 2007). Therefore, to optimally design a harvesting system with a better understanding of cutting mechanics, a device is needed that can be used to study different parameters related to cutting energy.…”

Section: Introductionmentioning

confidence: 99%

On‐farm cropping sensor‐based smart device for cutting energy measurement of cereal crops

et al. 2023

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A device was developed for on‐field cutting energy measurement of cereal crops. Physical, engineering, and anatomical properties of prominent rice (Oryza sativa L.) cultivars of India were studied at different stem positions using a factorial CRD design. The effects of changes in different operational parameters, including blade bevel angle (15°, 20°, and 25°), cutting angle (25°, 30°, and 35°) and cutting velocity (2.9, 3.44, and 4.1 m s−1) on cutting force and cutting energy of rice stalk were also studied. Cutting angle indicated the angle of inclination of cutting edge to the horizontal at blade‐crop interface. The assessment of these properties and parameters in relation to crop cutting energy, led to the development of a smart device for energy measurement up to a size of three skills. This device consisted of a compression system, crop holding unit, cutting unit, and sensors to measure the force, speed, and cutting height. The device's measurement abilities were evaluated with wheat (Triticum aestivum L.) stalks at different cutting speeds (0.83, 1.16, and 1.5 m s−1 and stem heights (10, 20, and 30 cm from ground). Values for cutting force and energy ranged from 1.85 to 1.45 N and 10.81 to 8.48 N mm–1, respectively. At all stem heights, the cutting force and cutting energy ranged from 1.79 to 1.44 N and 11.92 to 6.74 N mm–1, respectively. The ultrasonic sensor provided real time cutting height data with an accuracy of 97.5%, while the gyroscope sensor had an accuracy of 94.29% for on‐field cutting angle measurement.

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Power Requirement Estimation for Cutting Paddy Crop Using a Standard Cutter Bar

Cited by 4 publications

References 6 publications

Laboratory Investigation on Rotary Impact Cutter Blade Parameters for Multistep Cutting of Paddy Straw

Laboratory Investigation on Rotary Impact Cutter Blade Parameters for Multistep Cutting of Paddy Straw

Force and power requirement for development of cumin harvester: a dynamic approach

On‐farm cropping sensor‐based smart device for cutting energy measurement of cereal crops

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