نتایج جستجو برای: machine work performance

تعداد نتایج: 2047820  

Journal: :International journal of sports physiology and performance 2012
Erika Casolino Cristina Cortis Corrado Lupo Salvatore Chiodo Carlo Minganti Laura Capranica

PURPOSE To anticipate outstanding athletic outcomes, the selection process of elite athletes simultaneously considers psychophysiological and technical parameters. This study aimed to investigate whether selected and nonselected athletes for the Italian national taekwondo team could be discriminated by means of sport specific performances and psychophysiological responses to training. PARTICI...

In this paper, we propose a new optimized PID controller to stabilize the synchronous machine connected to an infinite bus. The model for the synchronous machine is 4-ordered linear Philips-Heffron synchronous machine. In this research, the parameters of the PID controller are optimally achieved by minimizing a definite fitness function to removes the unstable Eigen-value to the left side of im...

2017
D. V. N. Prabhakar M. Sreenivasa Kumar

Recent advances in manufacturing technology and industrial automation require efficient and quality oriented machining practices. Performance, cost effectiveness and reliability of the work piece depends on the quality of surface roughness and can be measured with contact (conventional) and non contact (advanced) methods. Various measurement techniques starting from stylus to machine vision are...

Journal: :Concurrency - Practice and Experience 1996
Kivanç Dinçer Zeki Bozkus Sanjay Ranka Geoffrey C. Fox

Thinking Machines' CM-5 machine is a distributed-memory, message-passing computer. In this paper we devise a performance benchmark for the base and vector units and the data communication networks of the CM-5 machine. We model the communication characteristics such as communication latency and bandwidths of point-to-point and global communication primitives. We show, on a simple Gaussian elimin...

Journal: :international journal of smart electrical engineering 2015
majid aryanezhad elahe ostadaghaee

electric and hybrid electric vehicles are attractive candidates for sustainable transportation due to its higher efficiency and low emission. the critical choice on the electric motors is its capability of motoring and regenerative braking characteristics. switched reluctance machines are viable candidate as with proper control and extended constant power range operation replacing the multi-gea...

In this work, the design of a low-cost, field programmable gate array (FPGA)-based digital hardware platform that implements image processing algorithms for real-time distance measurement is presented. Using embedded development kit (EDK) tools from Xilinx, the system is developed on a spartan3 / xc3s400, one of the common and low cost field programmable gate arrays from the Xilinx Spartan fami...

A.Vahedi, M.Ramezani,

Dc excitation of the field winding in a synchronous machine can be provided by permanent magnets. Permanent magnet synchronous machine (PMSM) can offer simpler construction, lower weight and size for the same performance, with reduced losses and higher efficiency. Thanks to the mentioned advantages these motors are widely used in different application, therefore analysis and modeling of the...

Journal: :journal of advances in computer research 0
nooshin riahi computer engineering department, alzahra university, tehran, iran pegah safari computer engineering department, alzahra university, tehran, iran

in this paper we have proposed an approach for emotion detection in implicit texts. we have introduced a combinational system based on three subsystems. each one analyzes input data from a different aspect and produces an emotion label as output. the first subsystem is a machine learning method. the second one is a statistical approach based on vector space model (vsm) and the last one is a key...

2008
Daisuke Miyamoto Hiroaki Hazeyama Youki Kadobayashi

In this paper, we evaluate the performance of machine learningbased methods for detection of phishing sites. In our previous work [1], we attempted to employ a machine learning technique to improve the detection accuracy. Our preliminary evaluation showed the AdaBoost-based detection method can achieve higher detection accuracy than the traditional detection method. Here, we evaluate the perfor...

2007
Arlo Lyle Khaled Rasheed Walter D. Potter Maureen Grasso

As the salaries of baseball players continue to skyrocket and with the ever-increasing popularity of fantasy baseball, the desire for more accurate predictions of players’ future performances is building both for baseball executives and baseball fans. While most existing work in performance prediction uses purely statistical methods, this thesis showcases research in combining multiple machine ...

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