Aircraft operating procedure development using integral-variational performance analysis methods

1970 ◽  
Author(s):  
J. BERNERT
2011 ◽  
Author(s):  
Jerome Q. Sinocruz ◽  
Emily A. Hildebrand ◽  
Brooke L. Neuman ◽  
Russell J. Branaghan

Author(s):  
Felicity Lord ◽  
David B Pyne ◽  
Marijke Welvaert ◽  
Jocelyn K Mara

Field hockey is an evolving sport, but it is unclear whether performance analysis techniques are reflective of current best practice. The objective of this review was to identify performance analysis methods used in field hockey, assess their practicality, and provide recommendations on their implementation in the field. A systematic search of the databases SPORTDiscus, Web of Science, Scopus, MEDLINE and PubMed was performed. Key words addressed performance analysis methods and field hockey, with all other disciplines of sport science excluded. A total of 8 articles were identified from the systematic review. Three studies explored patterns of play in relation to goal scoring opportunities, two articles examined penalty corner strategies and three compared specific actions in hockey. The limited performance analysis research in field hockey has focused on game actions in patterns of play. However, greater insights may be gained by analysing hockey using a holistic approach that incorporates spatio-temporal variables and player-opposition interactions. There is an opportunity to employ novel performance analysis techniques in hockey which provide more practical and effective approaches for analysing strategies and tactics.


2019 ◽  
Vol 2019 ◽  
pp. 1-11 ◽  
Author(s):  
Qiwen Jin ◽  
Zheng Liu ◽  
Junchi Bin ◽  
Weixin Ren

In-service bridge structural performance analysis and prediction are usually complicated and challenging because of many unknown and uncertain factors. Contrary to the traditional structural appearance inspections and load tests, structural health monitoring (SHM) can provide a perspective for online analysis, prediction, and early warning. So far, SHM has been widely used in many bridge structures, and a lot of bridge SHM data have also been collected. However, the existing studies usually focus on some independent and unsystematic analysis methods, which are hard to use widely in engineering applications to reveal the overall structural performance. This study focuses on the structural performance analysis and prediction of the highway in-service bridge. The dynamic problems in bridge SHM are pointed out firstly, followed by a detailed analysis about the characteristics of bridge SHM data. With the consideration of different characteristics, three targeted analysis methods are proposed. An urban concrete-filled steel tube (CFST) truss girder bridge (opened to traffic in 1995) is also presented, which once experienced some prominent vibration problems. The bridge SHM system is designed and stalled after several appearance inspections, load tests, and some reinforcement measures. The data mining methods proposed (distribution function, association analysis, and time-series analysis) are employed for the analysis and prediction of structural response and deterioration extent. This study can provide some references for maintenance and management and can also build a foundation for further online analysis and early warning.


Chemosensors ◽  
2021 ◽  
Vol 9 (9) ◽  
pp. 243
Author(s):  
Mansour Rasekh ◽  
Hamed Karami ◽  
Alphus Dan Wilson ◽  
Marek Gancarz

The recent development of MAU-9 electronic sensory methods, based on artificial olfaction detection of volatile emissions using an experimental metal oxide semiconductor (MOS)-type electronic-nose (e-nose) device, have provided novel means for the effective discovery of adulterated and counterfeit essential oil-based plant products sold in worldwide commercial markets. These new methods have the potential of facilitating enforcement of regulatory quality assurance (QA) for authentication of plant product genuineness and quality through rapid evaluation by volatile (aroma) emissions. The MAU-9 e-nose system was further evaluated using performance-analysis methods to determine ways for improving on overall system operation and effectiveness in discriminating and classifying volatile essential oils derived from fruit and herbal edible plants. Individual MOS-sensor components in the e-nose sensor array were performance tested for their effectiveness in contributing to discriminations of volatile organic compounds (VOCs) analyzed in headspace from purified essential oils using artificial neural network (ANN) classification. Two additional statistical data-analysis methods, including principal regression (PR) and partial least squares (PLS), were also compared. All statistical methods tested effectively classified essential oils with high accuracy. Aroma classification with PLS method using 2 optimal MOS sensors yielded much higher accuracy than using all nine sensors. The accuracy of 2-group and 6-group classifications of essentials oils by ANN was 100% and 98.9%, respectively.


2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Buchori Buchori ◽  
Eko Yudi Prasetiyo ◽  
Tri Mardiono

The purpose of this research is to study whether there is a difference in the income of Indofood Chili Farmers and Gurem Farmers in Balik Bukit District, West Lampung Regency ". Data analysis was carried out using qualitative data analysis methods which were presented descriptively about farm performance analysis. Farming budgets and analysis of revenue and participation participation (R / C Ratio) to determine the level of farm efficiency of the Indofood and Gurem partnership chili partnership in Balik Bukit, Lampung West. Bukit Barat Lampung Regency "can be accepted. The average divergence value of 19092000, it shows the difference between partnership farmers and smallholders Rp. 19,092,000. Tujuan penelitian ini adalah untuk mengetahui apakah ada Perbedaan Pendapatan Petani Cabai Kemitraan Indofood dengan Petani Gurem di Kecamatan Balik Bukit Kabupaten Lampung Barat?". Analisis data yang dilakukan meliputi metode analisis data kualitatif yang dipaparkan secara deskriptif pada analisis keragaan usahatani. metode analisis kuantitatif menggunakan analisis pendapatan usahatani dan analisis perbandingan penerimaan dan biaya (R/C Ratio) untuk mengetahui tingkat efisiensi usahatani komoditas cabai kemitraan Indofood dan gurem di Balik Bukit, Lampung Barat.Hasil penelitian menunjukan bahwa Ada perbedaan pendapatan antara petani cabai kemitraan Indofood dengan petani gurem di Kecamatan Balik Bukit Kabupaten Lampung Barat” dapat diterima. Nilai mean diference sebesar 19092000, hal tersebut menunjukan bahwa perbedaan pendapatan antara petani kemitraan dan petani gurem sebesar Rp. 19.092.000. Kata Kunci : Revenue Cost Ratio, Kemitraan, Petani Cabai


2020 ◽  
Vol 8 (2) ◽  
pp. 248
Author(s):  
Dela Fitriana ◽  
Teguh Endaryanto ◽  
Rabiatul Adawiyah

This research aimed to find out consumption pattern and level of satisfaction of household consumers on “Palas” rice. The research was done in South Lampung with a survey method. The data was collected in Mei 2018. The technique used for sampling was nonprobability sampling with 40 respondents. The analysis methods used were descriptive analysis, Customer Satisfaction Index (CSI) and Importance Performance Analysis (IPA). The research showed that the household consumers of “Palas” rice consumed 9.12 kg per month. They consume “Palas” rice because the quality of “Palas” rice is quite good such as the color, the cleanliness, and the price. The CSI value obtained is 73,60 percent which is in satisfying category. According to the results of IPA attributes that should be top priorities are taste and texture of rice.Key words: Consumption, Customer Satisfaction, “Palas” rice


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