This paper presents the speed control of DC series motor supplied by photovoltaic system. The proposed design problem of speed controller is formulated as an optimization problem. Firefly algorithm FA is employed to search for optimal proportional integral PI parameters of speed controller by minimizing the time domain objective function. The performance of the proposed FA-based speed control of DC series motor has been compared with genetic algorithm, and the conventional PI controller tuned by Ziegler—Nichols under various operating conditions and disturbances. The results of the proposed FA are demonstrated through time domain analysis and various performance indices. Simulation results have shown the validity of the proposed technique in controlling the speed of DC series motor over other algorithms.

cs4fn : Computer Science for fun

Kids always want to do what their big brothers and sisters are doing, and love learning in the most practical of ways. That’s why Firefly car designer Chris Johnson created a range of two-seater electric cars with real suspension, disk brakes, pinion steering and lights – to give five to ten year-olds the chance to learn to drive safely and have fun at the same time. This 15 minute experience gives youngsters the chance to feel grown-up while learning all the principles of real driving, accompanied by a parent or friend.

‘Firefly’ herself was completed by Yarrow in July and assembled in They were feet in length, displaced 90 tons, had a service speed of nine knots, Date made, circa Credit, National Maritime Museum, Greenwich, London.

Mobile Menu. Firefly – Surfanytime. Click to Review Firefly – Surfanytime. Title: sptl. I have now been with Firefly for about 20 years and I do not want to change at all. I value the personal contact that is offered at the end of a phone whenever needed. I would certainly recommend Firefly as a provider. They combine the personal service of the former days with the techie know-how of today Time With Provider: 20 Years Package Name:.

Title: Surf Anytime. Having been previously with Zen via EE. So my phone line was not moved, whether it was my own fault or not. The fact that Surf Anytime has me back online within 5 days! I put the order through from May 1st and was online by the 5th May!

A Firefly-Inspired Method for Protein Structure Prediction in Lattice Models

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hauled by Fire Ball, a ‘Fire Fly’ class Locomotive, one of. 62 similar engines father was the Chief Engineer of the London, Brighton and at this date and all early locomotives relied on spring balanced reliable, fast and easy to maintain.

Set max date. Hide search filters. Clear All Filters. The Jam Tree , London. The Jam Tree, London. Thursday 27th Aug.

Moving from local to cloud

The Firefly was a class of broad gauge steam locomotives used for passenger services on the Great Western Railway. The class was introduced into service between March and December , and withdrawn between December and July Following the success of the Star class locomotives introduced to the Great Western Railway by Daniel Gooch, Gooch set to work to develop a new class based on North Star , but with larger boilers.

The result was the Fire Fly , later followed by 61 similar locomotives designated the same class.

Firefly-Holland-Worksitejpg. FIREFLY Automatic Welding System, Cross Hills. Client: IPWL. Date: present. Technical deign& development of cutting.

Imagine sitting with a laptop on the bank of a river as it flows through the city centre. Both sides of the river are lined with trees decorated with lights. Now imagine all the lights make up a giant computer screen that can display pictures or messages in 3D. And you control them. This was an idea someone floated in one of those random what-if discussions inventive people tend to have when sitting around chatting over a drink.

With most groups such up-in-the-clouds ideas wouldn’t go much further, but this group of people were computer scientists from Lancaster University, and they were intrigued. So they decided to make it happen. The result they came up with is called Firefly. One of the team, Alan Dix, has been telling us about how it works. Christmas tree lights can of course flash in different patterns, but those patterns are pre-set before the lights leave the factory.

The different patterns are a result of the way the lights are physically wired together.

Speed Dating Event – Friday December 7, 2012 @ Firefly, London, City

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CrossRef citations to date Coupling a firefly algorithm with support vector regression to predict Their results show that the air temperature and wind speed make the most significant 5 Howick Place | London | SW1P 1WG.

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Firefly Retreat

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dating. Relevance of the Health Grant ‘Model’ to Other Groups. In many respects the Health Grant is really needs to speed up the process of getting all the major things she needs in place or interim report, Department of Health, London.

At Firefly, we have been promoting the capture of patient foot data digitally for many years. As greater numbers of podiatrists adopt scanning technology to capture patient foot data, one question consistently comes to the fore; how do I correctly position the foot when scanning with the iPad and Structure Sensor? For some, this is a significant barrier to using the iPad in clinic, particularly for podiatrists who work remotely or those who may not have the luxury of additional clinic staff to capture the scan.

In some circumstances, if the podiatrist is experienced enough, and if the patient is so disposed, the patient can be directed to hold the corrected foot pose independently for the short duration of the scanning process. Positioning solutions crop up within the orthotic industry regularly. Both of these options are expensive and not readily available in the UK and Ireland.

At Firefly, we felt the problem does not warranted such a high price point. This nifty little device allows the the podiatrist to capture patient foot data without a human assistant. At Firefly, we have started to use the Sulcus Stick in our clinics and following the early trial period, we have successfully captured quality digital scans that have been processed for the manufacture of high-quality custom made orthoses.

Drop by the Firefly stand and ask about the scanning assistant solution. This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies. Digital Scanning: But how am I supposed to position the foot?

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