bluuebunny/crossref_metadata_2025_split huggingface dataset:
Acquisition approach of moment of inertia based on brushless DC torque motor
Authors: Wang YaoYao , Feng Wei , Chen ShuHeng , Xian Feng Tian Jiang , Kuan Ye Lun , Gu DaWei 
Published: May 2023

Abstract
In order to meet the requirements of the small moment of inertia of the brushless DC torque motor, the optimal design of the shafting and the research on the measurement method were carried out on the basis of the structure of the flat motor rotor and the high-precision sensor. In this paper, ProE5.0 software is used to model and simulate the shaft structure of the permanent magnet synchronous motor. After comparing the common measurement methods of the moment of inertia, the single-wire torsional oscillation method is used to test and verify the moment of inertia of typical structural parts. The moment of inertia of the motor rotor is simulated and identified by the speed jammer identification algorithm.The test results show that the identification error of the constructed identification algorithm is less than 5% for the moment of inertia identification. After the brushless DC torque motor is assembled, the method can be used as a verification method for the parameters of the moment of inertia, which has strong practical significance.
Smart wheelchair controlled by head gesture based on vision
Authors: Komang Somawirata I , Utaminingrum Fitri 
Published: May 2023

Abstract
Head Gesture Recognition has been developed using a variety of devices that mostly contain a sensor, such as a gyroscope or an accelerometer, for determining the direction and magnitude of movement. This paper explains how to control a smart wheelchair using Head-Gesture Recognition based on Computer Vision. Using the Haar Cascade Algorithm Method for determining the position of the face and nose, determining the order of the head gesture would be easy to do. We classify head gestures to become four, namely: Look down, Look up/center, Turn right and Turn left. The four gesture information is used to control the smart wheelchair as Brake, Accelerate, Turn right and Turn left. The experiment result shows that our system has successfully controlled the smart wheelchair using head gestures.
Adaptive transmission construction based on polar codes
Authors: Shu Bingxin , Lei Jing , Lu Xinjin , Cheng Jianghua 
Published: May 2023

Abstract
In actual communication scenarios, wireless transmission channels have the nature of heterogeneity. In order to ensure that data can be transmitted with high reliability and low delay, this paper designs a quasi-optimal polar code that can adapt to various channel environments, which called Q-polar code. Based on the polarization theory of polar codes and the channel state information (CSI), the index set of polar codes is designed and constructed to perform data transmission tasks. The simulation results show that the bit error rate (BER) performance of proposed scheme can be improved compared with traditional polar code, especially when the code length N is small and the code rate is large.
Comparison of logistic regression and artificial neural network model for apron allocation assignment
Authors: Purahong B , Teerapanpong S , Satayarak N , Benjangkaprasert C 
Published: May 2023

Abstract
Management of the parking apron is one of the most essential airport ground service operations for flight operations to run smoothly. Effective airport ground service management will have a direct effect on the cost and duration of flights. Therefore, in this paper, we address the issue of using machine learning techniques, such as logistic regression analysis and artificial neural network (ANNs) models, for classified targets of stand locations assignment of an arriving flight. Also, this could assist ground controllers to assign apron allocation and improve the efficiency and predictability of airport operations which reduce the time required for airport ground processing to increase flight capacity. In order to evaluate the performance of the proposed method, simulation results reveal that ANN has the lowest error rate and the highest accuracy. Therefore, ANN is the effective classification technique for this data set.
Deep transfer learning for brain tumor detection based on MRI images
Authors: Tenghongsakul Kasi , Kanjanasurat Isoon , Archevapanich Tuanjai , Purahong Boonchana , Lasakul Attasit 
Published: May 2023

Abstract
Brain tumors are among the main causes of cancer-related mortality in humans. Early detection of brain tumors is a vital job in the medical task of diagnosis and cure planning for patients. The automatic detection greatly facilitates medical personnel. Magnetic resonance imaging (MRI) is an accepted imaging strategy for diagnosing brain tumors. Presently, deep learning approaches have proven effective in handling various computer vision problems, such as image classification, because of their high performance and also determine models that can learn and decide based on sample data. In this study, the deep transfer learning method, namely InceptionResNet-V2, ResNet50, MobileNet-V2, and VGG16, was used to compare and find the most suitable model for brain tumor detection from the public MRI dataset. Also, CLAHE was employed as an image enhancement technique to improve the quality of the image data set before being used as the model input. As a result, the suggested method performed a prediction accuracy of up to 100%.
Beam optics simulation of the ion injector for sodium Beam Emission Spectroscopy (Na-BES) on EAST
Authors: Wang P. , Hu G.H. , Xu G.S. , Zoletnik S. , Anda G. , Dunai D. , Wang Y.B. , Wang Y.F. , Yan N. , Zang Q. , Yang Q.Q. , Chen R. , Wang L. 
Published: May 2023

Abstract
To upgrade the Li-BES to Na-BES on Experimental Advanced
Superconducting Tokamak (EAST), a high-brightness and stable sodium
(Na) ion source is developed, and the performance of Na ion beam
optics is simulated by the COMSOL Multiphysics. The porous tungsten
disk with 70% porosity and filled with albite
Na2O·Al2O3·6SiO2 is successfully
developed as the Na ion source. The extracted current density of the
Na-beam increases with the extraction voltage, and its maximum
current can reach 9 mA with the ion source diameter of 20 mm. The
lifetime of the Na ion source is evaluated to be 63 mAh, which is
much longer than that of the Li ion source. The simulation shows
that the preferable distances among the ion source (or anode
electrode), extractor and puller to get the well-focused beam are
x
puller - x
extractor ∼ 0.06 m and
x
extractor - x
ion source ∼ 0.02 m. Further
simulation with these optimized distances determines the extraction
voltage and ion source size for good beam performance. In addition,
the simulation shows the beam divergence angle decreases by more
than 40% by optimizing the Einzel voltage to 5 kV, suggesting an
excellent focusing property of the Einzel lens. These works provide
the basis and the design references for the Na-BES development on
EAST.
Casimir energy for spinor fields with δ-shell potentials
Authors: Fucci Guglielmo , Romaniega César 
Published: May 2023

Abstract
This work analyzes the Casimir energy of a massive spinor field propagating in flat space endowed with a spherically symmetric δ-function potential. By utilizing the spectral zeta function regularization method, the Casimir energy is evaluated after performing a suitable analytic continuation. Explicit numerical results are provided for specific cases in which the Casimir energy is unambiguously defined. The results described in this work represent a generalization of the MIT bag model for spinor fields.
Development of Shallots Seedling Based on Farmer Groups in Pangandaran Regency, West Java Province
Authors: Surdianto Y , Nurawan A , Sutrisna N , Wiratno  , Susanto H , Hamdani K.K. , Nadjib N. An. 
Published: May 2023

Abstract
Shallot seed based on farmer groups was developed at the Situ Hyang Farmer Group, Pangkalan Village, Langkaplancar District, Pangandaran Regency, West Java Province, from July to December 2021. Activities consist of (1) a Demonstration of shallot seed production in an area of 1 ha involving 20 participatory farmers; (2) Technical guidance to increase farmer capacity; and (3) Initiation of a shallot production system based on farmer groups. The objectives of this assessment are: (1) To produce certified shallot seeds; (2) Increase farmer capacity in terms of shallot seed production technology; (3) Growing farmer groups as shallot seed breeders. The data collected consisted of (a) Characteristics of the research location, (b) Certified shallot seed yields, (c) Knowledge, attitudes, and skills of farmers before and after the implementation of technical guidance. Data on the characteristics of the research location and the yield of certified shallot seeds were analyzed descriptively and then tabulated to make them more informative and easier to understand. The results of the study showed that: (1) certified seeds of the Bima Brebes and Trisula varieties amounted to 3.79 tons and 0.57 tons, respectively; (2) Technical guidance with denfarm media is effective in increasing the ability of farmers in shallot seed production technology, (3) The development of shallot seeds is carried out using a systems approach and technological and institutional assistance by shallot breeders based on farmer groups.
Development of a mobile application for forest and land fire patrol using Prototype method
Authors: Nuradi E , Sitanggang I S , Trisminingsih R , Syaufina L , Rahmawan H , Ardiansyah F , Wulandari  
Published: May 2023

Abstract
A previous study has developed a mobile application for recording field data during Sumatra, Indonesia’s forest and land fires patrol. After users tested the usability, the user’s need for the system increased due to the new environmental characteristics in the forest and land fire patrol area. This study aims to develop a mobile application that is easy to use by the patrol team to support forest and land fire prevention patrols. The system development continues the mobile application proposed in the previous study. The system development method used is Prototyping, with stages starting from communication; quick design; rapid design modelling; prototyping; dissemination, delivery, and feedback. The application was built using the Ionic 3 framework using the REST API from the back-end module. The development was conducted in two iteration stages, namely the third and fourth iterations. The third and fourth iterations resulted in changes in the user interface, added auto-fill features, and downloaded reports. Applications developed in each iteration were tested using the Black-Box method. The test results from each iteration show that all functions in the application work properly and meet the user requirements.
Moderating Environmental, Social, and Governance (ESG) risk in the relationship between investment decisions and firm value
Authors: Stiadi Doni 
Published: May 2023

Abstract
Investment decisions of companies and investors consider aspects of the company's financial performance and relate to the company's environmental responsibility from company activities. Corporate environmental responsibility can be implemented in its attention to the Environment, Social, and Governance (ESG). This study aims to analyze the role of ESG risk in moderating the relationship between investment decisions and firm value in the ESG Leader Index (IDXESGL) group of companies on the Indonesia Stock Exchange (IDX). Sample selection was based on a purposive sampling of 30 companies for the 2020-2022 period with 4 IDXESGL index evaluation periods, so 20 companies were selected, and the total observation data was 80 observations. Analysis of the research data used the structural equation model (SEM) method with the Partial Least Square (PLS) analysis technique. The analysis results show that ESG risk moderates the relationship between investment decisions and firm value. Therefore, the smaller the company's ESG risk will increase the influence of investment decisions on company value, and in the future, the company will continue to grow sustainably.
Realizing Zero Delta Q Due to the Change of Land-Use Using Horizontal Recharge Pipe
Authors: Susilo Edy , Budiningrum Diah Setyati , Kustirini Anik 
Published: May 2023

Abstract
Though recharge buildings such as recharge wells and bio pores have widely been implemented in the field, their design to reduce flood runoff is not as expected. This study aims to formulate recharge using the porous horizontal recharge pipelines (HRP) as a basis to calculate the needs of HRP purposely to achieve zero ΔQ due to the changes in land use. The experimental method uses PVC pipe 20cm in diameter, 2m; 4m; 6m; and 8m in length, with the middle part connected with a 100 cm high vertical pipe. The horizontal pipe was perforated with a pipe wall porosity of 0.006; 0.012; 0.018; 0.024; and 0.048 and wrapped in geotextile. The observation of the infiltration recharge -was conducted by filling the water and observing the decrease in the water level using the sensor and recording. The decline in water level was converted into infiltration recharge -for each high water pressure. The research was conducted in a horizontal pipe with holes below the groundwater surface on clay soil with a 6.89x10-7 cm/sec permeability. It was then found the correlation between infiltration recharge -and pipe wall porosity, pipe length, and water pressure height were obtained in the form of a regression equation of Q=0.0972*P0.025*L0.193*H2,179 with a correlation coefficient of 0.9136. The HRP implementation to meet zero ΔQ due to the changes in land use using the rational method has been produced in graphical form, while the hydrograph method was presented in the case form. In the Silandak watershed, with an area of 10.30 km2, there was an increase in the coefficient of drainage from 0.39 in 2002 to 0.58 in 2019. To achieve zero ΔQ of flood hydrograph of a 50-year return period, 4200 HRP units are needed. Thus, HRP can overcome flooding due to changes in land use. However, this research must still be developed by adding pipe diameter and soil permeability variables.
The Increase of National Sugar Production as a Form of Achieving the 2nd SDGs through Mutation Breeding
Authors: Hartatik Sri , Buchori Dwi Mai Abdul Imam 
Published: May 2023

Abstract
Bululawang has been cultivated under increasing environmental pressures every year. Environmental pressures are accepted as one of the impacts of global climate change. This condition will cause a decrease in genetic ability, which can impact decreasing yields. The achievement of point 2.4 SDGs, especially in sugarcane, can be achieved through a sugarcane plant breeding program to improve and increase the genetic quality of several sugarcane varieties often cultivated in Indonesia. Mutation breeding to create high-yielding sugarcane varieties has been carried out by the Plant Breeding Laboratory of the University of Jember to increase national sugar production. Mutation breeding to produce superior sugarcane varieties has been carried out by the Plant Breeding Laboratory of the University of Jember to increase national sugar production. This study aims to obtain new high-yield varieties using the Bululawang variety as the parent. Mutation breeding using EMS mutagen resulted in three selected genotypes (M1, M2, and M3), further developed and tested for multilocation. The selected locations are Sukorambi-Jember District, Arjasa-Jember District, and Pakem-Bondowoso District. This study focuses on the agronomic characteristics and yield components of three mutant sugarcane compared to the Buluawang variety as the parent. Bululawang, M1, and M3 genotypes had high yield stability in all test sites. On the other hand, the M2 genotype was declared a specific-location genotype based on the Finlay and Wilkinson, Eberhart and Russell, and AMMI parametric stability tests.
Effect of flour-based feed of Tenebrio molitor l. on fresh water lobster (Cherax quadricarinatus von Martens) seed growth
Authors: Subchan W , Susilo V E , Widodo N , Nizam R F 
Published: May 2023

Abstract
Feed according to nutrient requirements is a major aspect to support optimum growth of C. quadricarinatus. Commontly, farmers still use fish flour as a source of feed nutrients. However, the price of fish flour often fluctuates. While, T. molitor L. flour has potential to be an alternative feed ingredient for C. quadricarinatus because of its high nutrient content. This study aims to determine the effect of feed based on T. molitor L. flour on C. quadricarinatus growth, which is measured by parameters of wet biomass (gram/week), dry biomass (gram/week), carapace length (mm/week), FCR, and FUE (%/week) during the research period. The research was carried out in March-September 2021 at the Animal Laboratory of the Biology Education Study Program, University of Jember. The test animals used were C. quadricarinatus seeds aged 80 days with wet biomass (4±0.3grams) and carapace length (23±0.6mm). This study was an experimental design using a completely randomized design, consisting of 2 treatments 1 control with 3 replications each. The results showed that feeding with flour-based T. molitor L. had a significant effect on the growth of wet biomass (p=0.047), dry biomass (p=0.046), and carapace length (p=0.011). However, FCR and FUE showed no significant effect (p=0.089; p=0.162 respectively).
Phytoplankton Population as Phytoremediation Agents in Jatibarang Landfill Leachate Pond of Central Java, Indonesia
Authors: Nofiyanto Erwin , Soeprobowati Tri Retnaningsih 
Published: May 2023

Abstract
Remediation of microalgae from leachate is less explored because of its very high level of pollutants such as ammonia-nitrogen, heavy metals, inorganic salts, and organic chlorinated. Moreover, leachate poisons many organisms. This study aimed to determine the phytoplankton species in the leachate pond Jatibarang landfill, Central Java, Indonesia, and as an effort in phycoremediation. Sample was obtained from 4 stations; Inlet pond (J1), aerobic pool (aeration pool) (J2), sedimentation pond (J3), and pond outlet (J4). The results showed two phytoplankton species, Chlorella sp. and Chlamydomonas sp. Based on the abundance of Chlorella sp., the highest number was found at sedimentation pond with an average of 54,904 cells L-1, followed by pond outlet with an average of 17,449 cells L-1, aerobic pool with an average of 8,869 cells L-1, and pond Inlet with an average of 3,424 cells L-1. Chlamydomonas sp. was only found at pond Inlet with an average of 12,375 cells L-1. Further, the BOD decreased from station 2, 3, and 4 with percentages 12%, 29%, and 32%, respectively; COD gained 28%, 33%, 33%, respectively; and TSS, respectively, gained 22%, 35%, and 30%. To sum up, the pond’s water quality as producing leachate in Jatibarang landfill concerning pH, DO, and Cd are still below the leachate quality standard. Whereas the BOD, COD, and TSS exceed leachate quality standards.
The Impact of Cropping Systems on Rice Production in Rice-Based Intensive Agroecosystems
Authors: Komalawati K , Prasetyo T , Arianti F D 
Published: May 2023

Abstract
Agricultural technology is one method used to increase agricultural output. The jajar legowo (jarwo) planting system and a transplanter machine are agricultural technology that are believed to increase rice production. This study aimed to determine the viability of lowland rice farming using different cropping systems and transplanter machines. The research was done in the Village of Kragan, Gondangrejo Sub-district, Karanganyar District, during the third planting season (MT III) of 2021. The activity was conducted on 2,7 hectares of rice fields owned by farmers and treated with (1) manual tiles, (2) manual jarwo, and (3) jarwo with a transplanter machine. Early-maturing rice variety M70 D was planted. The data were qualitatively and quantitatively analyzed. Superior varieties of early maturing rice planted in a row legowo with the assistance of a transplanter machine produced the highest GKP rice productivity of 9,390 kg/ha, an increase of 6.7% over manual jarwo treatment and an increase of 17.37% over the existing tile/existing planting system. Jarwo with transplanter also generated the greatest profit, IDR 30.558.285 (RCR = 2.33) or greater (16.32 per cent) than manual jarwo and 29.34 per cent greater than the current planting system. At a price of IDR 4,400/kg HDG and a yield between 8,000 and 9,390 kg HDG/ha, the TIP is between 4,030,85 and 4,416.23 and the TIH is between 1,888,78 and 2,316.44. Thus, the jarwo planting system employing a transplanter machine has been demonstrated to be very feasible and practicable at the research site. Government and extension services must play a role in the socialization of jajar legowo and the significance of agricultural mechanization in the plantation so that farmers can directly benefit.
Population Dynamic of Brown Plant Hopper, Predators and Neutral Insects in Irrigated Rice of Yogyakarta after Insecticides Application
Authors: Pustika Arlyna B. , Sudarmaji  , Kobarsih Mahargono , Indrasari Siti Dewi , Kristamtini  , Widyayanti Setyorini , Anshori Arif , Purwaningsih Heni , Yolanda Kiki 
Published: May 2023

Abstract
Brown Plant Hopper (BPH) infestation in irrigated rice agroecosystem resulted yield loss. The application of insecticides by farmers are usually excessive, reducing pest population and negatively affecting the predators. This research aimed to define the impact of insecticides on the population dynamic of BPH, predator and neutral insects which influenced rice yield. Research was conducted at Yogyakarta, Indonesia, during May to September 2021. Randomized Block using four replications was applied. Rice varieties Inpari 32 HDB and Inpari 42 GSR were planted. Insecticide with active ingredient spinetoram 120 g/l and triflumezopyrim 106 g/l were applied to the rice plant on day 40th then pimetrozin 50% was applied at day 50th. Results showed that BPH population was reduced from 30-50 nymph per 30 plants to 10 nymph at day 12th after pimetrozin 50% application or at the day 2nd after spinetoram and triflumezopyrim insecticides application until day 50th. In contrast, BPH population in all insecticide plants was significantly lower than in all control and did not increase until harvest. On the other side, predators such as Paederus sp and Coccinelids were not affected by all insecticides, except Ophionea sp, Spiders and Cythorinus sp. However, their population recovered at day 30th after first insecticides application. Within the fluctuated population of BPH, rice productivity of Inpari 32 HDB and Inpari 42 GSR applied with insecticides were 9.52 ton ha-1 and 10.60 ton ha-1, while Inpari 32 HDB control and Inpari 42 GSR control 9.44 ton ha-1 and 10.72 ton ha-1