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Journal articles on the topic 'Shuttlecock'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Nakagawa, Kenichi, Hiroaki Hasegawa, and Masahide Murakami. "Comparison of Aerodynamic Properties of Badminton Feather and Synthetic Shuttlecocks." Proceedings 49, no. 1 (June 15, 2020): 104. http://dx.doi.org/10.3390/proceedings2020049104.

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The purpose of this study is to investigate the difference in aerodynamic properties between the feather shuttlecock and the synthetic shuttlecock. In particular, we focus on the aerodynamic stability of the two types of shuttlecock during impulsive change of an angle of attack (flip movement). Wind tunnel experiments are performed by using two types of the badminton shuttlecock (feather and synthetic shuttlecocks) to measure the fluid forces, and to visualize the flow fields around the shuttlecock. It is confirmed that the pitching moment coefficient at a near-zero angle-of-attack for feather shuttlecock is larger than that for synthetic shuttlecock. The results indicate that the feather shuttlecock demonstrates high stability in response to the flip phenomenon.

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2

Gao, Jiazheng. "Effect of Two Ergonomic Designs for Shuttlecock Buckets." Highlights in Science, Engineering and Technology 4 (July 26, 2022): 34–39. http://dx.doi.org/10.54097/hset.v4i.842.

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Shuttlecocks serve as one of the necessary sporting equipment to play badminton. The standard Shuttlecock buckets sold on the market are equipped with a total of 12 Shuttlecocks and the bucket body is long, which makes it time-consuming to pick up and causes palmar flexion and other usage problems. In view of this, the two brand-new designed shuttlecock buckets are introduced. This research aims to compare traditional shuttlecock buckets with two kinds of new buckets in order to find out whether they can provide users with a better experience. The experiment was evaluated by measuring wrist flexion angle and user pickup time and adopting a subjective questionnaire. The result indicated that the two new designed buckets are superior to the traditional buckets due to that they can help reduce wrist flexion angle and improve ball pick up efficiency. All in all, this study helps manufacturers to design and produce more reasonable shuttlecock buckets as it provides a new perspective on shuttlecock buckets design.

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3

Hart, John, and Jonathan Potts. "Numerical Investigation of the Flow around a Feather Shuttlecock with Rotation." Proceedings 49, no. 1 (June 15, 2020): 28. http://dx.doi.org/10.3390/proceedings2020049028.

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This paper presents the first scale resolving computational fluid dynamic (CFD) investigation of a geometrically realistic feather shuttlecock with rotation at a high Reynolds number. Rotation was found to reduce the drag coefficient of the shuttlecock. However, the drag coefficient is shown to be independent of the Reynolds number for both rotating and statically fixed shuttlecocks. Particular attention is given to the influence of rotation on the development of flow structures. Rotation is shown to have a clear influence on the formation of flow structures particularly from the feather vanes, and aft of the shuttlecock base. This further raises concerns regarding wind tunnel studies that use traditional experimental sting mounts; typically inserted into this aft region, they have potential to compromise both flow structure and resultant drag forces. As CFD does not necessitate use of a sting with proper application, it has great potential for a detailed study and analysis of shuttlecocks.

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4

Texier, Baptiste Darbois, Caroline Cohen, David Quéré, and Christophe Claneta. "Shuttlecock dynamics." Procedia Engineering 34 (2012): 176–81. http://dx.doi.org/10.1016/j.proeng.2012.04.031.

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5

Cooke, Alison J. "Shuttlecock aerodynamics." Sports Engineering 2, no. 2 (May 1999): 85–96. http://dx.doi.org/10.1046/j.1460-2687.1999.00023.x.

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6

Firdha, Dwi, Totok Winarno, and Achmad Komarudin. "Kontrol Kecepatan Motor Pelempar pada Robot Abu Robocon 2018 dengan Metode PID." Jurnal Elektronika dan Otomasi Industri 6, no. 2 (February 4, 2021): 17. http://dx.doi.org/10.33795/elkolind.v6i2.156.

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Robot pelempar shuttlecock pada abu robocon merupakan robot otamatis yang berfungsi untuk mengikuti Kontes Robot Abu Indonesia (KRAI). Dimana robot yang berhasil memenangkan perlombaan KRAI akan mewakili Indonesia dalam kontes ABU ROBOCON. Pada Perlombaan kali ini, robot diharuskan dapat melemparkan shuttlecock ke dalam ring atau target. Untuk dapat melemparkan shuttlecock menggunakan motor DC geared yang disertai rotary encoder sedangkan untuk mengendalian kecepatan motor saat melemparkan shuttlecock menggunakan metode kontrol PID.Pada hasil percobaan dapat dianalisa bahwa penggunaan kontrol PID sangat berpengaruh terhadap pelemparan shuttlecock. Penggunaan algoritma PID menjadikan robot pelempar shuttlecock ini menjadi lebih stabil dalam melakukan lemparan ke ring atau target. Robot ini akan menstabilkan putaran motor sesuai set point yang diinginkan. Setelah dilakukan pengujian ditemukan nilai PID pada jarak 3m adalah Kp =10, Ki =0.5, Kd=9, dan pada jarak 6m adalah Kp=10, Ki=0.2, kd=11. Dengan melakukan lima kali pelemparan shuttlecock dapat masuk ke dalam ring atau target dengan error ±10% dikarenakan kondisi treck dan angin yang ada di dalam ruangan.

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7

Li, Hao. "The Inheritance of Traditional Shuttlecock Sport: A Game Theory-Based Analysis." Journal of Environmental and Public Health 2022 (September 19, 2022): 1–9. http://dx.doi.org/10.1155/2022/8542519.

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Aiming at the problem that the inheritance effect of shuttlecock is not ideal and the inheritance strategy is lack of pertinence, this paper puts forward a decision-making model based on game theory. Firstly, based on the inheritance data of shuttlecock movement, the shuttlecock movement set is established, and the normality, integrity, and standardization of the data set are tested. Then, using weighted theory and game theory, the shuttlecock motion set is divided, and according to the situation of each subset, the game decision-making method is selected. Finally, under the guidance of game decision-making method, the inheritance strategy of shuttlecock is obtained. The results show that the concept of shuttlecock inheritance ( OR = 1.232 , P < 0.000 ), public participation ( OR = 10.865 , P < 0.000 ), government support ( OR = 2.561 , P < 0.000 ), and multiangle inheritance measures ( OR = 0.965 , P < 0.000 ) all have an impact on the inheritance of shuttlecock. However, the propaganda is not in place ( OR = − 5.234 , P < 0.000 ), which inhibits the inheritance of sports shuttlecock. Therefore, sports institutions, relevant departments and colleges, and universities should formulate inheritance strategies and measures that meet the requirements from the above factors.

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8

NAKAGAWA, Kenichi, Hiroaki HASEGAWA, Yuya IMAMATSU, and Masahide MURAKAMI. "Aerodynamic Difference between Badminton Feather Shuttlecock and Synthetic Shuttlecock." Proceedings of Conference of Kanto Branch 2019.25 (2019): 19H14. http://dx.doi.org/10.1299/jsmekanto.2019.25.19h14.

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9

Wang, Wei. "Using Machine Learning Algorithms to Recognize Shuttlecock Movements." Wireless Communications and Mobile Computing 2021 (June 1, 2021): 1–13. http://dx.doi.org/10.1155/2021/9976306.

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Shuttlecock is an excellent traditional national sport in China. Because of its simplicity, convenience, and fun, it is loved by the broad masses of people, especially teenagers and children. The development of shuttlecock sports into a confrontational event is not long, and it takes a period of research to master the tactics and strategies of shuttlecock sports. Based on this, this article proposes the use of machine learning algorithms to recognize the movement of shuttlecock movements, aiming to provide more theoretical and technical support for shuttlecock competitions by identifying features through actions with the assistance of technical algorithms. This paper uses literature research methods, model methods, comparative analysis methods, and other methods to deeply study the motion characteristics of shuttlecock motion, the key algorithms of machine learning algorithms, and other theories and construct the shuttlecock motion recognition based on multiview clustering algorithm. The model analyzes the robustness and accuracy of the machine learning algorithm and other algorithms, such as a variety of performance comparisons, and the results of the shuttlecock motion recognition image. For the key movements of shuttlecock movement, disk, stretch, hook, wipe, knock, and abduction, the algorithm proposed in this paper has a good movement recognition rate, which can reach 91.2%. Although several similar actions can be recognized well, the average recognition accuracy rate can exceed 75%, and even through continuous image capture, the number of occurrences of the action can be automatically analyzed, which is beneficial to athletes. And the coach can better analyze tactics and research strategies.

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10

King, Mark, Harley Towler, Romanda Dillon, and Stuart McErlain-Naylor. "A Correlational Analysis of Shuttlecock Speed Kinematic Determinants in the Badminton Jump Smash." Applied Sciences 10, no. 4 (February 13, 2020): 1248. http://dx.doi.org/10.3390/app10041248.

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The forehand jump smash is an essential attacking stroke within a badminton player’s repertoire. A key determinate of the stroke’s effectiveness is post-impact shuttlecock speed, and therefore awareness of critical technique factors that impact upon speed is important to players/coaches. Three-dimensional kinematic data of player, racket and shuttlecock were recorded for 18 experienced players performing maximal effort forehand jump smashes. Joint angles and X-factor (transverse plane pelvis-thorax separation) were calculated at key instants: preparation, end of retraction, racket lowest point, turning point and shuttlecock contact. Peak shoulder, elbow, and wrist joint centre linear velocities, phase durations and jump height were also calculated. Correlational analyses were performed with post-impact shuttlecock speed, revealing significant correlations to peak wrist joint centre linear velocity (r = 0.767), acceleration phase duration (r = −0.543), shoulder internal/external rotation angle at shuttlecock contact (r = 0.508) and X-factor at the end of retraction (r = −0.484). Multiple linear regression analysis revealed 43.7% of the variance in shuttlecock speed could be explained by acceleration phase duration and X-factor at the end of retraction, where shorter acceleration phase durations and more negative X-factor at end of retraction caused greater shuttlecock speeds. These results suggest that motions of the proximal segments (shoulder and pelvis–thorax separation) are critical to developing greater distal linear velocities, which subsequently lead to greater post-impact shuttlecock speed.

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11

Hidayat, Rahmat. "IMPLEMENTASI PEMBELAJARAN BADMINTON LIKE GAMES DALAM UPAYA MENINGKATKAN POLA GERAK DOMINAN MEMUKUL SHUTTLECOCK DALAM AKTIVITAS PERMAINAN BULUTANGKIS." JURNAL PENDIDIKAN JASMANI DAN OLAHRAGA 2, no. 1 (August 24, 2017): 87. http://dx.doi.org/10.17509/jpjo.v2i1.6404.

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Tujuan penelitian untuk membuktikan impelementasi pembelajaran badminton like games dalam meningkatkan pola gerak dominan memukul shuttlecock. Metode yang digunakan adalah penelitian tindakan kelas. Instrumen yang digunakan Observasi, catatan lapangan, wawancara dan dokumentasi. Populasi siswa Sekolah Dasar Negeri Binakerta. Sampel siswa kelas V berjumah 28 siswa. Penelitian ini menggunakan analisis data persentase. Berdasarkan hasil penelitian, dapat diambil kesimpulan bahwa: 1). Bahwa Implementasi pembelajaran badminton like games dapat meningkatkan pola gerak dominan memukul shuttlecock siswa kelas V dengan jumlah pola gerak dominan memukul shuttlecock 77,37% 2). Adanya upaya guru dalam mengembangkan pola gerak dominan memukul shuttlecock melaui situasi pembelajaran badminton like games. 3). Adanya interaksi guru kepada siswa dalam mengajarkan pola gerak dominan memukul shuttlecock melalui pengajaran badminton like games.

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12

Agustiawan, Agustiawan. "Algoritma Robot Otomatis Pelempar Shuttlecock." INOVTEK Polbeng - Seri Informatika 3, no. 1 (June 17, 2018): 60. http://dx.doi.org/10.35314/isi.v3i1.338.

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Robot otomatis pada Kontes Robot ABU Indonesia (KRAI) 2018 memiliki tugas melempar bola (shuttlecock) di ring yang telah ditentukan setelah menerima shuttlecock dari robot manual. Ada tiga titik tempat robot untuk melemparkan shuttlecock, tiga titik tersebut diberi nama Throwing Zone 1,2 dan 3. Dari masing Throwing Zone robot akan melemparkan shuttlecock ke normal ring dan golden ring dengan jarak dan tinggi yang berbeda. Oleh karena itu, untuk menyelesaikan misi ini maka dibuat algoritma pada robot otomatis ini dengan tahapan pemetaan, susunan pergerakan dan flowchart. Dari hasil pengujian, robot otomatis dapat berjalan dengan tingkat keberhasilan 90%.

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13

Abbasi, Nadia. "Depiction of Shuttlecock Burqa in Pakistani contemporary Art." Volume-04 Issue-1 04, no. 01 (June 30, 2020): 141–63. http://dx.doi.org/10.36968/jpdc-v04-i01-08.

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The main objective of this dissertation is to explore and study the core features of controversy that surrounds Shuttlecock Burqa in Pakistani contemporary art. This paper is divided into two portions including the conclusion. The first part traces the historical view as veil (parda) and its origin. The second and final section presents a discussion on Pakistani controversial (especially) contemporary art, with emphasis on the paintings which are based on the subject of shuttlecock burqa. To explore whether the status of shuttlecock burqa is controversial or not? The researcher conducted a survey and presented quantified information / data. The findings and analysis of the survey, provides answers about how our public in the post 9/11 scene, perceives the issues that builds up controversy around shuttlecock burqa. Conclusion of the research is based on analysis of survey findings and portrayal of shuttlecock burqa in Pakistani contemporary art.

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14

KITTA, Seigo, and Hiroaki HASEGAWA. "210 Badminton Shuttlecock Aerodynamic." Proceedings of Autumn Conference of Tohoku Branch 2010.46 (2010): 51–52. http://dx.doi.org/10.1299/jsmetohoku.2010.46.51.

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15

Tran Anh, Dung. "Research to select exercise of developing moving speed in competitions - Applying for badminton team of Tan Trao University." Journal of Science Educational Science 66, no. 1 (January 2021): 111–19. http://dx.doi.org/10.18173/2354-1075.2021-0011.

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Results of the study was to assess the status of practicing moving skills in competitions of badminton team and choices are 5 exercises with shuttlecock, 4 exercises without shuttlecock, and in which 4 tests has the most effective outcome in competitions. Applications these exercises for badminton team of Tan Trao University have better performances in comparison as before.

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16

Truong, Nguyen Cong. "Choose Test Assessment Effectiveness of Left - Hand Cup Technique for Male Hanoi Shuttlecock Athletes." Journal of Humanities and Education Development 4, no. 4 (2022): 30–37. http://dx.doi.org/10.22161/jhed.4.4.5.

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Using routine methods, 8 tests were selected to evaluate the attack efficiency with the left-hand cup technique for male Hanoi shuttlecock athlete with sufficient reliability after 2 tests, and at the same time determined that there was a relationship between the two. strongly correlated with the performance of Hanoi shuttlecock athlete r > 0.789 (probability threshold P < 0.05).

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17

Kaban, Sherlinta Immanuella, Rahmaniyah Dwi Astuti, and Eko Pujiyanto. "Perancangan Alat Pemotong Label untuk Meminimasi Gerakan Repetitive Pekerja di Industri Jago Jaya Shuttlecock Surakarta." MATRIK 22, no. 1 (September 30, 2021): 65. http://dx.doi.org/10.30587/matrik.v22i1.1527.

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Industri Jago Jaya Shuttlecock merupakan salah satu industri shuttlecock di Surakarta. Proses produksi shuttlecock di industri ini masih menggunakan alat tradisional. Salah satu proses dari keseluruhan proses produksi mengandung beberapa gerakan repetitif yaitu pada proses pemotongan label. Selain itu, tingginya jumlah gerakan repetitif menyebabkan tingginya waktu proses pemotongan. Dikarenakan hal tersebut maka diperlukan adanya perancangan alat pemotong label yang bertujuan untuk mengurangi lamanya proses pemotongan dan gerakan repetitif yang dihasilkan. Penelitian ini menggunakan perhitungan waktu baku untuk menghitung waktu yang diperlukan pada proses pemotongan menggunakan alat saat ini, penilaian Assessment of Repetitive Tasks Tool untuk menilai faktor risiko yang menjadi fokus kebutuhan perancangan alat, serta analisis gerakan menggunakan peta tangan kiri dan tangan kanan. Berdasarkan penilaian Assessment of Repetitive Tasks Tool, faktor risiko pengulangan, pergerakan lengan, serta kecepatan kerja menunjukkan pada level risiko medium. Sedangkan faktor risiko tekanan, postur lengan, dan postur genggaman tangan menunjukkan pada level risiko tinggi. Peta tangan kiri dan tangan kanan menunjukkan adanya beberapa gerakan yang tidak efektif dan berulang pada proses pemotongan label. Perancangan alat pemotong label menggunakan metode NIDA (Need, Idea, Decision, and Action) menghasilkan alat pemotong label yang dapat memenuhi kebutuhan pada proses pemotongan label di Industri Jago Jaya Shuttlecock.

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18

Vial, Shayne, Jodie Cochrane, Anthony J. Blazevich, and James L. Croft. "Using the trajectory of the shuttlecock as a measure of performance accuracy in the badminton short serve." International Journal of Sports Science & Coaching 14, no. 1 (November 18, 2018): 91–96. http://dx.doi.org/10.1177/1747954118812662.

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Accuracy of a projectile is typically quantified as the proportion of successful target hits, or the distance an object finishes from the target. Serving in sports such as badminton differs since the shuttlecock is usually intercepted by the opponent before landing on the target (i.e. court surface). Therefore, landing accuracy measures are inappropriate and a new method of determining accuracy of the serve is needed. During interviews, elite coaches and players described an accurate short serve as crossing the net with low clearance and having an apex before the net. Three-dimensional trajectory of the shuttlecock was therefore tracked from eight national-level players who performed 30 short serves in simulated match conditions (i.e. with an opponent); 27% of all serves were classified as ‘accurate’, 27% of serves as ‘inaccurate’, 21% with a ‘good apex’ position, and 25% with a ‘good clearance’ height. The proposed method of assessing shuttlecock trajectory as a measure of accuracy could be adopted by coaches and players to assess and improve short serve accuracy. Furthermore, this method is more representative of a match environment since the shuttlecock rarely lands because the opponent returns the serve.

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19

Irawan, Rendy, Istiatin Istiatin, and Supawi Pawenang. "KINERJA PEMASARAN DITINJAU DARI KEUNGGULAN BERSAING, ORIENTASI PASAR DAN KEWIRAUSAHAAN (STUDI PADA SENTRA INDUSTRI SHUTTLECOCK KABUPATEN SUKOHARJO)." JURNAL ILMIAH EDUNOMIKA 6, no. 1 (February 28, 2022): 465. http://dx.doi.org/10.29040/jie.v6i1.4637.

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Along with the development of the economy and increasingly advanced technology, companies are required to further increase production yields and product quality. The purpose of this study was to determine the effect of Competitive Advantage, Market Orientation and Entrepreneurship Orientation on Marketing Performance at the shuttlecock industry center in Sukoharjo Regency. This research is a quantitative research. The approach method in this study uses a quantitative survey approach, namely survey research that has the nature of pairing and is generally used to draw conclusions on the population so that it uses hypotheses and statistical tools in data analysis. The population and sample in this study were 37 players in the shuttlecock industry, data taken from the Central Bureau of Statistics of Gadingan village. The sampling technique used is the census method, which is a sampling technique when all members of the population are used as samples. The results in this study are Competitive Advantage, Market Orientation, Entrepreneurship Orientation affect the Marketing Performance of the Shuttlecock Industrial Center in Sukoharjo Regency. Keywords: Competitive Advantage, Market Orientation, Entrepreneurship Orientation, Marketing Performance. ABSTRAK Seiring perkembangan perekonomian dan teknologi yang semakin maju, perusahaan dituntut agar lebih meningkatkan hasil produksi dan mutu produk yang dihasilkan. Tujuan penelitian ini adalah untuk mengetahui pengaruh Keunggulan Bersaing, Orientasi Pasar dan Orientasi Kewirausahaan terhadap Kinerja Pemasaran pada sentra industri shuttlecock di Kabupaten Sukoharjo. Penelitian ini merupakan penelitian kuantitatif. Metode pendekatan dalam penelitian ini menggunakan pendekatan kuantitatif survei, yaitu penelitian survei yang memiliki sifat pemairan dan umumnya digunakan untuk menarik kesimpulan terhadap populasi sehingga menggunakan hipotesis dan alat statistik dalam analisis data. Populasi dan sampel dalam penelitian ini adalah 37 pelaku industri shuttlecock, data diambil dari Badan Pusat Statistik desa Gadingan. Teknik pengambilan sampel dengan menggunakan metode sensus, yaitu teknik penentuan sampel bila semua anggota populsi digunakan sebagai sampel. Hasil dalam penelitian ini adalah Keunggulan Bersaing, Orientasi Pasar, Orientasi Kewirausahaan berpengaruh terhadap Kinerja Pemasaran Sentra Industri Shuttlecock di Kabupaten Sukoharjo. Kata Kunci : Keunggulan Bersaing, Orientasi Pasar, Orientasi Kewirausahaan, Kinerja Pemasaran.

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20

Rodika, Rodika, Jamalludin Jamalludin, Handriko Handriko, Aryono Priyambudi, and Aldi Pranata. "Rancang Bangun Robot Pelontar Shuttlecock." Manutech : Jurnal Teknologi Manufaktur 9, no. 01 (May 14, 2019): 67–71. http://dx.doi.org/10.33504/manutech.v9i01.35.

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The design of robot launcher shuttlecock is done by researchers so that the robot produced can help human activity in the field of sports. This throwing robot can be used as a training medium for selftaught players, where practice can be done without a trainer / helpers. Players can practice at any time without being linked with others (trainers / feeders) so that training time can be maximized. The methodology of this tool includes the manufacture and design of hardware and software. The manufacture and design of mechanical hardware involves the construction of aluminum frames, with actuators in the form of motors and pneumatic systems while for the design and manufacture of electronics hardware includes the manufacture of control circuits. Preparation and design of software include programming mikrokontroler ATMega128. From the test results, the robot can throw shuttlecock. Robot can do 6 mode service ie service mode near, far, left, right, random and join with average success percentage equal to 93,35%.

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21

Cooke, A. "Computer simulation of shuttlecock trajectories." Sports Engineering 5, no. 2 (May 2002): 93–105. http://dx.doi.org/10.1046/j.1460-2687.2002.00100.x.

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22

Ade, Alfan Ibnu, Olivia Andiana, and Ahmad Abdullah. "ANALISIS GERAK SMASH FOREHAND TERHADAP KETEPATAN SASARAN PADA ATLET BULU TANGKIS REMAJA PUTRA." Jurnal Sport Science 12, no. 1 (June 24, 2022): 12. http://dx.doi.org/10.17977/um057v12i1p12-20.

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Bulu tangkis menjadi olahraga raket yang tercepat di dunia dengan smash bulu tangkis dapat menyebabkan kecepatan shuttlecock mencapai 200 km/j. Pukulan smash terdiri dari gerakan rumit yang membutuhkan koordinasi semua segmen tubuh utama. Terdapat banyak teknik dalam melakukan gerakan pukulan smash dimulai dari footwork, pandangan, gerakan tangan dan gerakan tubuh. Teknik-teknik tersebut melandasi dari gerakan pukulan smash yang baik dan benar. Tujuan dari analisis gerak smash forehand yaitu untuk mengetahui tingkat ketepatan sasaran yang ditinjau dari prinsip-prinsip biomekanika. Metode penelitian ini menggunakan instrumen berupa sudut siku, sudut bahu, sudut sendi lutut, sudut pukulan dan tinggi titik pukulan yang dianalisis melalui software kinovea.Analisis menunjukan bahwa hal yang memengaruhi akurasi shuttlecock dalam pelaksanaan smash forehand yaitu adalah sudut pukulan yang tidak mendekati 90⁰, sudut siku lengan yang tidak terlalu besar berkisar ≥125⁰ dan mejaga kestabilan kuda-kuda sebelum melakukan smash dengan sudut sendi lutut yang lebih kecil. Faktor lain yang mempengaruhi yaitu tinggi titik pukulan dan lurus atau tidaknya tangan saat raket tumbukan dengan shuttlecock. Dapat disimpulkan bahwa analisis gerak smash forehand tingkat ketepatan pada atlet remaja dipengaruhi oleh faktor sudut siku, sudut pukulan dan kestabilan kuda-kuda pada saat melakukan gerakan smash.Faktor lain yang mempengaruhi yaitu tinggi titik pukulan dan lurus atau tidaknya tangan saat raket tumbukan dengan shuttlecock. Dapat disimpulkan bahwa analisis gerak smash forehand tingkat ketepatan pada atlet remaja dipengaruhi oleh faktor sudut siku, sudut pukulan dan kestabilan kuda-kuda pada saat melakukan gerakan smash.Faktor lain yang mempengaruhi yaitu tinggi titik pukulan dan lurus atau tidaknya tangan saat raket tumbukan dengan shuttlecock. Dapat disimpulkan bahwa analisis gerak smash forehand tingkat ketepatan pada atlet remaja dipengaruhi oleh faktor sudut siku, sudut pukulan dan kestabilan kuda-kuda pada saat melakukan gerakan smash.

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23

Wangkai, Rafigo, Fredrik Djoiske Sumarauw, and Frans Ruddy Supit. "Pengaruh Latihan Daya Ledak Otot Lengan Terhadap Kemampuan Long Service Dalam Permaianan Bulutangkis." PHYSICAL: Jurnal Ilmu Kesehatan Olahraga 3, no. 1 (March 19, 2022): 34–39. http://dx.doi.org/10.53682/pj.v3i1.1942.

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Berdasarkan hasil pengamatan ditemukan masalah dalam lapangan mengenai cabang olahraga bulutangkis adalah sebagian besar siswa masih belum mampu melakukan teknik dasar permainan bulutangkis seperti cara memegang raket yang kurang tepat, posisi kaki yang salah saat melakukan servis, perkenaan shuttlecock dengan raket saat melakukan servis kurang tepat dan cara melakukan servis kurang akurat karena shuttlecock dipukul terlalu keras sehingga shuttlecock keluar lapangan begitupun sebaliknya. Oleh sebab itu peneliti melakukan penelitian dengan tujuan untuk lebih meningkatkan kemampuan long service dalam permainan bulutangkis. Populasi adalah siswa putera kelas XII SMK Negeri 1 Tombulu dengan jumlah 26 orang. Adapun hasil analisis hipotesa, diperoleh t observasi senilai 7,34 sedangkan t tabel yang diperoleh dari derajat kebebasan n1 + n2 – 2 yaitu 13 + 13 – 2 = 24 dan taraf keyakinan = 0,05 adalah 2,064 dengan taraf uji tingkat kesalahan sebesar 5%. sehingga Kesimpulan penelitian terdapat pengaruh latihan daya ledak otot lengan terhadap kemampuan long service dalam permainan bulutangkis.

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Khotimah, Ika anggraeni Khusnul, and Afrilia Linggi Allo. "Analisis Risiko K3 pada Area Produksi Shuttlecock menggunakan Metode Hirarc Di UKM Prospek Badminton Shuttlecock." Journal of Industrial View 4, no. 1 (May 25, 2022): 9–18. http://dx.doi.org/10.26905/jiv.v4i1.7659.

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UKM prospek badminton shuttlecock merupakan salah satu perusahaan di kota Malang yang memproduksi shuttlecock untuk didistribusikan ke berbagai wilayah jawa, sumatra, sulewesi dan wilayah indonesia timur. Identifikasi permasalahan yang ada di UKM yaitu terkait dengan kesehatan dan keselamatan kerja yang belum ada Standar Operasi Prosedur, lingkungan UKM masih belum menerapkan K3, dan mengabaikan bahaya yang dapat menimbulkan kecelakaan kerja. Penelitian ini bertujuan untuk melakukan identifikasi bahaya dan penilaian risiko kerja yang termasuk dalam kategori risiko extreme di UKM prospek badminton shuttlecock sehingga mampu memberikan rekomendasi dan mitigasi risiko untuk mencegah terjadinya kecelakaan kerja. Metode yang digunakan adalah HIRARC. Adapun tahapan dalam metode tersebut adalah mengidentifikasi bahaya (hazards identification), penilaian risiko (risk assessment) dan pengendalian risiko (risk control). Dari hasil perhitungan Berdasarkan hasil analisis data yang telah dilakukan, maka kesimpulan yang dapat diambil dalam penelitian ini, aktivitas kerja yang memiliki potensi bahaya dan risiko dengan kategori risiko extreme yang akan diberikan usulan pengendalian risikonya yaitu aktivitas pemasakan bulu, bor gabus, pemasangan bulu, penjahitan, pengeleman, pengetesan, servis, pengemasan.

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25

Student. "FAME." Pediatrics 83, no. 3 (March 1, 1989): A44. http://dx.doi.org/10.1542/peds.83.3.a44a.

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Konishi, Yasufumi, Yusuke Matsushima, Takashi Misaka, Hiroyuki Okuizumi, Kensuke Tanaka, and Shigeru Obayashi. "Effect of Camber on Badminton Shuttlecock." Proceedings 2, no. 6 (February 11, 2018): 266. http://dx.doi.org/10.3390/proceedings2060266.

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OKI, Daizen, Hiroaki HASEGAWA, Masahide MURAKAMI, and Shigeru OBAYASHI. "Turnover Behavior of a Badminton Shuttlecock." Proceedings of Conference of Kanto Branch 2018.24 (2018): OS0520. http://dx.doi.org/10.1299/jsmekanto.2018.24.os0520.

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NAKAGAWA, Kenichi, Hiroaki HASEGAWA, Masahide MURAKAMI, and Shigeru OBAYASHI. "Aerodynamic stability of a badminton shuttlecock." Transactions of the JSME (in Japanese) 83, no. 856 (2017): 17–00165. http://dx.doi.org/10.1299/transjsme.17-00165.

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Dally, Claire, Sara Haddow, and Elizabeth Kershaw. "A shuttlecock for the visually impaired." Electronics Education 1996, no. 1 (1996): 28–30. http://dx.doi.org/10.1049/ee.1996.0011.

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Ramasamy, Yuvaraj, Viswanath Sundar, Juliana Usman, Rizal Razman, Harley Towler, and Mark A. King. "Relationships between Racket Arm Joint Moments and Racket Head Speed during the Badminton Jump Smash Performed by Elite Male Malaysian Players." Applied Sciences 12, no. 2 (January 15, 2022): 880. http://dx.doi.org/10.3390/app12020880.

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Three-dimensional position data of nineteen elite male Malaysian badminton players performing a series of maximal jump smashes were collected using a motion capture system. A ‘resultant moments’ inverse dynamics analysis was performed on the racket arm joints (shoulder, elbow and wrist). Relationships between racket head speed and peak joint moments were quantified using correlational analyses, inclusive of a Benjamini–Hochberg correction for multiple-hypothesis testing. The racket head centre speed at racket–shuttlecock contact was, on average, 61.2 m/s with a peak of 68.5 m/s which equated to average shuttlecock speeds of 95.2 m/s with a peak of 105.0 m/s. The correlational analysis revealed that a larger shoulder internal rotation moment (r = 0.737), backwards shoulder plane of elevation moment (r = 0.614) and wrist extension moment (r = −0.564) were associated with greater racket head centre speed at racket–shuttlecock contact. Coaches should consider strengthening the musculature associated with shoulder internal rotation, plane of elevation and wrist extension. This work provides a unique analysis of the joint moments of the racket arm during the badminton jump smash performed by an elite population and highlights significant relationships between racket head speed and peak resultant joint moments.

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Rasmussen, John, and Mark de Zee. "A Simulation of the Effects of Badminton Serve Release Height." Applied Sciences 11, no. 7 (March 24, 2021): 2903. http://dx.doi.org/10.3390/app11072903.

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In this work, we develop and calibrate a model to represent the trajectory of a badminton shuttlecock and use it to investigate the influence of serve height in view of a new serve rule instated by the Badminton World Federation. The new rule means that all players must launch the shuttlecock below a height of 1.15 m, as opposed to the old rule whereby the required launch height was under the rib cage of the server. The model is based on a forward dynamics model of ballistic trajectory with drag, and it is calibrated with experimental data. The experiments also served to determine the actual influence of the new rule on the shuttlecock launch position. The model is used in a Monte Carlo simulation to determine the statistical influence of the new serve rules on the player’s ability to perform good serves; i.e., serves with little opportunity for the receiver to attack. We conclude that, for the female player in question, serving below a height of 1.15 m makes it marginally more difficult to perform excellent serves. We also conclude that there might be alternative launch positions that would be less likely to produce the best serves but could be exploited as a tactical option.

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Indriyani, Ratih, Hendro Prakoso Handjaya, and Ayoub Gougui. "Measuring Employee Performance of Shuttle Cock Industry in Surakarta, Indonesia." SHS Web of Conferences 76 (2020): 01041. http://dx.doi.org/10.1051/shsconf/20207601041.

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Employees are the core of ongoing organizational activities. In the industrial cycle, employees are coming from adjacent regions.Social support is needed to have motivation at work. Motivation to work will have an impact on work results. This study aims to analyze social support for employee performance with work motivation as an intervening variable in the shuttlecock industry in Pringgolayan Surakarta, Indonesia. Previous research shows that social support has an influence on employee motivation at work. Other studies explain that motivation can improve employee performance. This study uses a quantitative method with a sample of 100 respondents. The sample is determined by the purposive sampling method. Respondents are employees of the shuttlecock industry, who had worked for at least 3 mo.. This study uses SmartPLS 3.0 as a data analysis technique. The results of this study indicate that working conditions have a significant effect on work motivation, social support has a significant effect on work motivation and social support has a significant effect on employee performance. Research also shows that work motivation has a significant influence on employee performance. Work motivation among shuttlecock industry employees still needs to be improved so that its performance is improved. Aspects of social support are friends and superiors, for that the leadership must provide support to increase employee work motivation.

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Adi, Indra Kusuma, Agus Kristiyanto, and Haris Nugroho. "Requirements for Badminton Strokes in One Game by Elite Athletes in Single Match Numbers." Quality in Sport 8, no. 1 (December 7, 2022): 90–95. http://dx.doi.org/10.12775/qs.2021.08.01.008.

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Badminton is experiencing rapid development both domestically and abroad. The ultimate goal of this game is to try to drop the shuttlecock in the opponent's playing area and try to prevent the opponent from hitting the shuttlecock and dropping it on his own court, if the shuttlecock falls on the floor or gets stuck in the net, the game stops. The purpose of this study was to analyze Requirements for Badminton Strokes in One Game by Elite Athletes in Single Match Numbers. The researchers used a one-shot case study design. This research was carried out by observing badminton match videos that were broadcast on the internet media, namely YouTube. In this study, observers analyzed 4 matches played by single athletes ranked in the top 10 in the world. The data that has been collected is then analyzed, while the technique used is the percentage. Based on the results of the study, it can be concluded that the average results of each badminton Elite Athletes' stroke in Single Match Numbers in One Game, namely: Service 10.20%, Chop 4.86%, Dropshoot 6.37%, Smash 12.21%, Lob 7.59%, Netting 33.08%, Drive 4.98%, Clear Lob 20.72%.The highest percentage is on badminton netting with a percentage result of 33.08%.

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Adi, Indra Kusuma, Agus Kristiyanto, and Haris Nugroho. "Requirements for Badminton Strokes in One Game by Elite Athletes in Single Match Numbers." Quality in Sport 8, no. 1 (December 7, 2022): 90–95. http://dx.doi.org/10.12775/qs.2022.08.01.008.

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Badminton is experiencing rapid development both domestically and abroad. The ultimate goal of this game is to try to drop the shuttlecock in the opponent's playing area and try to prevent the opponent from hitting the shuttlecock and dropping it on his own court, if the shuttlecock falls on the floor or gets stuck in the net, the game stops. The purpose of this study was to analyze Requirements for Badminton Strokes in One Game by Elite Athletes in Single Match Numbers. The researchers used a one-shot case study design. This research was carried out by observing badminton match videos that were broadcast on the internet media, namely YouTube. In this study, observers analyzed 4 matches played by single athletes ranked in the top 10 in the world. The data that has been collected is then analyzed, while the technique used is the percentage. Based on the results of the study, it can be concluded that the average results of each badminton Elite Athletes' stroke in Single Match Numbers in One Game, namely: Service 10.20%, Chop 4.86%, Dropshoot 6.37%, Smash 12.21%, Lob 7.59%, Netting 33.08%, Drive 4.98%, Clear Lob 20.72%.The highest percentage is on badminton netting with a percentage result of 33.08%.

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Lee, Taek-Kyun, and Tae-Keun Park. "A study on Shuttlecock Kicking in China." Korean Journal of Sports Science 29, no. 3 (June 30, 2020): 41–55. http://dx.doi.org/10.35159/kjss.2020.06.29.3.41.

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36

ITAKURA, Yoshiya, and Ayane KOMURA. "J053013 Peculiar Lift Characteristics of Badminton Shuttlecock." Proceedings of Mechanical Engineering Congress, Japan 2011 (2011): _J053013–1—_J053013–3. http://dx.doi.org/10.1299/jsmemecj.2011._j053013-1.

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KONISHI, Yasufumi, Yusuke MATSUSHIMA, Takashi MISAKA, Hiroyuki OKUIZUMI, Kensuke TANAKA, and Shigeru OBAYASHI. "The effect of chamber on Badminton shuttlecock." Proceedings of the Symposium on sports and human dynamics 2016 (2016): C—14. http://dx.doi.org/10.1299/jsmeshd.2016.c-14.

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Chan, Chak Man, and Jenn Stroud Rossmann. "Badminton shuttlecock aerodynamics: synthesizing experiment and theory." Sports Engineering 15, no. 2 (February 7, 2012): 61–71. http://dx.doi.org/10.1007/s12283-012-0086-7.

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39

SAWAI, K., Y. IWAKOSHI, and T. OHZUKU. "Carbon materials for lithium-ion (shuttlecock) cells." Solid State Ionics 69, no. 3-4 (August 1994): 273–83. http://dx.doi.org/10.1016/0167-2738(94)90416-2.

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40

Park, Se-hun, Keun-Mo Lee, and Seung-Hyun Jang. "Badminton Shuttlecock Card Loses its Meaning: The Problems of Badminton Shuttlecock Card of Busan Metropolitan City Badminton Union." Korean Journal of Physical Education 56, no. 5 (September 30, 2017): 91–104. http://dx.doi.org/10.23949/kjpe.2017.09.56.5.8.

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41

Triaiditya, Bayu Septa Martaviano, Danang Ari Santoso, and Gatut Rubiono. "Pengaruh sudut kemiringan raket terhadap pantulan shuttlecock bulu tangkis." Jurnal SPORTIF : Jurnal Penelitian Pembelajaran 6, no. 1 (April 16, 2020): 27–39. http://dx.doi.org/10.29407/js_unpgri.v6i1.13875.

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Pemain bulu tangkis menggunakan berbagai teknik dan strategi dalam permainan. Salah satu tekniknya adalah membangun sudut kemiringan raket yang tepat untuk melepaskan kok. Teknik ini bergantung pada sudut kedatangan shuutlecock yang akan memengaruhi pantulan pada string raket dan lintasan setelah memantul. Penelitian ini bertujuan untuk mendapatkan efek sudut raket terhadap pantulan shuttlecock bulu tangkis. Penelitian ini dilakukan dengan eksperimen memantulkan kok. Jarak awal jatuh bebas bervariasi 100, 125, dan 150 cm. Raket dengan tegangan tali 25 lb diposisikan pada mekanisme penjepitan yang diatur oleh sudut tertentu. Mekanisme ini dipasang di dinding yang dilengkapi dengan pengukur (meteran) untuk mengamati pantulan. Kamera diposisikan 2 meter dari dinding. Pengambilan data dilakukan dengan 5 kali. Data yang ada pada formulir video diubah dalam bentuk foto. Foto-foto ini kemudian dianalisis menggunakan Kinovea 0.8.15. Hasil penelitian menunjukkan bahwa kemiringan sudut raket berdampak pada pelepasan shuttlecock.

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42

Yang, Joon-Seok, and Sung-Je Park. "Development of Badminton Shuttlecock Alignment Device using TRIZ." Journal of Sport and Leisure Studies 62 (November 30, 2015): 11–21. http://dx.doi.org/10.51979/kssls.2015.11.62.11.

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43

向, 秋平. "Research on Blending Shuttlecock Movement into Wushu Training." Advances in Physical Sciences 09, no. 02 (2021): 218–22. http://dx.doi.org/10.12677/aps.2021.92032.

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44

Chunlai, Tian, Shen Musheng, Wang Yixian, and Gao Wei. "Mechanical Design of Service Robot for Shuttlecock Sports." IOP Conference Series: Materials Science and Engineering 542 (July 5, 2019): 012079. http://dx.doi.org/10.1088/1757-899x/542/1/012079.

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45

FUJISAWA, Yuki, Daizen OKI, Hiroaki HASEGAWA, Masahide MURAKAMI, and Hiroki NAGAI. "Aerodynamic Characteristics of Badminton Shuttlecock with Forced Spin." Proceedings of the Symposium on sports and human dynamics 2017 (2017): B—21. http://dx.doi.org/10.1299/jsmeshd.2017.b-21.

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46

Erawati, Revi, and Suratman Suratman. "ANALISIS FOREHAND OVERHEAD DROPSHOT ATLET U-15 PUTRA PB. SATRIA KABUPATEN TEGAL." Unnes Journal of Sport Sciences 6, no. 1 (July 4, 2022): 28–35. http://dx.doi.org/10.15294/ujoss.v6i1.51755.

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Hasil observasi pada 5 atlet Under-15 Persatuan Bulutangkis Satria Tegal saat bermain terjadi 108pukulan forehand overhead lob dengan hasil 57 berhasil dan 51 mengalami eror. Masalah penelitian ini adalah bagaimana kemampuan pukulan forehand overhead drop shot para Atlet Under-15 PutraPersatuan Bulutangkis Satria Tegal? Penelitian ini untuk menganalisis kemampuan pukulan forehandoverhead drop shot para Atlet tersebut. Penelitian dilakukan terhadap 12 sampel atlet Under-15Persatuan Bulutangkis Satria menggunakan Accidental Sampling. Data diperoleh dengan menganalisisrekaman pukulan forehand overhead drop shot sebanyak 20 kali pukulan dari setiap sampelmenggunakan software kinovea pada bagian pegangan raket, sikap berdiri, gerak kaki ke belakang,ayunan lengan, saat impact dan Gerakan Kembali ketengah. Selanjutya data dianalisis menggunakanfault tree analysis, dilanjutkan membuat prosentase kemampuan forehand overhead dropshot. Hasilpenelitian menunjukkan bahwa pukulan forehand overhead drop shot para atlet berada pada kategoribaik. Kesalahan yang masih terjadi antara lain shuttlecock jatuh jauh dari net, arah penerbanganshuttlecock terlalu tinggi, dan shuttlecock tidak mengarah ke sasaran.

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Putra, I. Wayan Govinda Gotama Putra, and Eka Sulistyawati. "PERAN BRAND TRUST MEMEDIASI PENGARUH BRAND IMAGE TERHADAP BRAND LOYALTY." E-Jurnal Manajemen Universitas Udayana 8, no. 7 (March 10, 2019): 4328. http://dx.doi.org/10.24843/ejmunud.2019.v08.i07.p12.

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This research was conducted with the aim of measuring and testing the effect of brand image on brand loyalty with brand trust as a mediator. One hundred badminton players using Shuttlecock Pastra were used as samples, the method used was purposive sampling. The study was conducted in Denpasar City and distributed questionnaires to prospective respondents as many as 100 people selected through a purposive sampling technique. Path analysis techniques and sobel tests are used to analyze data. After investigating, it was found that brand image variables had a positive and significant effect on brand trust variables, brand image variables had a positive and significant effect on brand loyalty variables, brand trust variables had a positive effect that was also significant for brand loyalty variables and brand trust variables were able to mediate the influence of brand image on brand loyalty shuttlecock Pastra. Keywords: brand image, shutllecock, brand trust, Pastra, brand loyalty

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48

Junanda, Hendya Alif, Agus Rusdiana, and Nur Indri Rahayu. "Kecepatandan Akurasi Shuttlecock pada Jump Smash dengan Loncatan Vertikal dan Parabol Depan dalam Bulutangkis." Jurnal Terapan Ilmu Keolahragaan 1, no. 1 (September 23, 2016): 17. http://dx.doi.org/10.17509/jtikor.v1i1.1548.

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Tujuan dalam penelitian ini adalah untuk menelaah perbandingan pengaruh loncatan vertikal dan loncatan parabol depan terhadap akurasi dan kecepatan mkasimal pada saat melakukan teknik jump smash. Sampel diambil sebanyak 6 orang atlit bulutangkis di unit kegiatan mahasiswa bulutangkis Universitas Pendidikan Indonesia, menggunakan teknik purposive sampling. Pengumpulan data menggunakan tes (French-Stalter Badminton Skill Test) untuk mengukur akurasi, sedangkan perhitungan kecepatan dengan mengggunakan video yang dimasukan kedalam software frame dias IV. Penghitungan statistik menggunakan SPSS dengan Statistik Parametrik Independent Sample T-Test. Dari hasil analisis data diperoleh beberapa kesimpulan. Pertama, terdapat perbedaan yang nyata (signifikan) diantara loncatan vertikal dan loncatan parabol depan terhadap akurasi shuttlecock dengan nilai probabilitas (sig) 0.049 atau < 0.05. Kedua, terdapat perbedaan yang nyata (signifikan) diantara loncatan vertikal dan loncatan parabol depan terhadap kecepatan shuttlecock dengan nilai probabilitas (sig) 0.025 atau < 0.05. Dimana loncatan parabol depan memiliki hasil lebih baik dari pada loncatan vertikal dengan nilai mean sebesar 56.4 > 51.2.

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49

Alam, Firoz, Chanuch Nutakom, and Harun Chowdhury. "Effect of Porosity of Badminton Shuttlecock on Aerodynamic Drag." Procedia Engineering 112 (2015): 430–35. http://dx.doi.org/10.1016/j.proeng.2015.07.220.

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50

Chen, Wei, Tingbo Liao, Zhihang Li, Haozhi Lin, Hong Xue, Le Zhang, Jing Guo, and Zhiguang Cao. "Using FTOC to track shuttlecock for the badminton robot." Neurocomputing 334 (March 2019): 182–96. http://dx.doi.org/10.1016/j.neucom.2019.01.023.

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