Showing posts with label system. Show all posts
Showing posts with label system. Show all posts

Thursday, February 14, 2013

Apple’s Retail Strategy Proves That If They Build It, You Will Come (And Spend)

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Apple is a unique company in that even if you break down its individual lines of business and view them as distinct from the whole, it can still be regarded as immensely successful in a number of different areas. As a hardware company, it’s a success; as a software and services provider, it’s a success; and as a retail chain, it’s a success. And Apple’s physical retail presence shows such steady upwards growth that it, rather than any product, could be the site of the company’s greatest innovation over the next few years.


Speaking at a Goldman Sachs investor conference on Tuesday, Cook went into detail about Apple’s retail plans, addressing the growth and success of the company’s stores, as well as plans for expansion and changes to their deployment strategy for 2013. Asymco’s Horace Dediu visualized the numbers shared, charting the progress of key metrics like store openings, store visitors international distribution and more in a blog post yesterday.


One of the most important metrics Dediu tracked is depicted in the graph representing store visitors vs. stores open. After initially expanding their physical presence more quickly, and averaging fewer visitors, attendance quickly cut up and for the past two years, stores have been averaging around 1 million for every location open. Apple’s strategy this year involves not only opening new locations, but closing existing ones and replacing them with larger outlets, which should make for an even higher visitor-to-store ratio in the future if trends continue.



In terms of money invested in Apple’s retail efforts, we see a trend that could result in much more of the kind of innovation I alluded to earlier. The Asymco chart for spend on “Property, Plant and Equipment” shows a huge recent spike in money committed to “machinery, equipment, and internal use software,” as opposed to normal, steady growth for land, buildings and improvements to said facilities.



Since late 2009 when we begin to see the curve start to trend upwards more sharply, Apple has introduced its own iPod touch-based check out and inventory system (replacing a legacy version based on Windows CE hardware), moved to iPad-based information consoles, changed the structure of its stores to de-emphasize checkout and highlight Genius and One-to-One customer interaction, launched self-serve EasyPay shopping for customers, introduced in-store pickup, and just generally changed the way the world thinks about brick-and-mortar stores. No big deal.


Remember too that Apple’s retail leadership has been somewhat in turmoil recently. Apple’s SVP of Retail Operations Ron Johnson, largely credited with much of the retail division’s creation and success, left the company back in June of 2011. A search for his replacement ultimately resulted in the controversial hiring of Dixons CEO John Browett in January 2012, after a six-month search. Finally, John Browett was dismissed from that role in October 2012, after less than a year on the job. Apple is still looking for a replacement for Browett.


Apple is making commerce more invisible, and yet winning more shopper dollars.


It may seem like lack of a clearly defined top man in retail would lead to uncertainty, but Apple Retail had its best year ever in 2012 amid all these shakeups, and CEO Tim Cook said that the retail locations in particular have helped the iPad enjoy its runaway success since launching in 2010.


Cook talked about the label of “retail” not being sufficient to describe what Apple is building with its stores, and more and more, that’s becoming true. Just like the company tries to hide elements like the file system in iOS, or deliver CE devices that aren’t upgradeable or modular, opting instead for a smooth, appealing and user-friendly outward appearance, it’s also taking commerce out of the store experience as much as possible. And yet as a reward it’s winning more customer dollars.


You can measure innovation in terms of a revolutionary new smartphone, or a dramatically different PC design, or you can measure it in the aggregate effect of a sustained effort to change an age-old practice. Apple’s retail efforts are the latter kind, and its spending patterns suggest there’s plenty more of that to come.





First Drive: 2013 Lamborghini Aventador LP 700-4 Roadster

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What Dreams May Come



The Lamborghini Aventador LP 700-4 Roadster left me stupefied. Despite my experience with countless other high-powered exotics on a variety of racing circuits, including nearly all of its Gallardo siblings, the all-wheel-drive, 700-horsepower flagship dropped my jaw to the ground.

Less than 24 hours earlier, I had been sitting on an airplane at 39,000 feet studying press releases about the Italian automaker's newest range-topping convertible. While everything looked spectacular on paper, I was genuinely concerned that its new cylinder deactivation system and open-roof configuration would spoil some of the fun - soften its personality, to be more specific.

Yet here I was, approaching 150 miles per hour on a front straight after dropping off the 20-degree banking at Homestead-Miami Speedway, and the Aventador Roadster had extinguished those thoughts like a cold bucket of water on a lit match. The scissor-door supercar was screaming near redline - my heart rate was only a few ticks behind - and I was near speechless.

Continue reading 2013 Lamborghini Aventador LP 700-4 Roadster

2013 Lamborghini Aventador LP 700-4 Roadster originally appeared on Autoblog on Thu, 14 Feb 2013 11:57:00 EST. Please see our terms for use of feeds.

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Wednesday, February 13, 2013

Garage Door Opener with iphone (Arduino project)

You can also buy iWUP 100% assembled at: iwupmobile.com Start project materials What do I need to start? The hardware requirements to start is: *Note: where can I purchase the material  with all the components to build myself the system: http://iwup.altervista.org/shop/reference_list.pdf 1.-) ...
By: apadillaf

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Monday, January 14, 2013

Common rail system

Common rail system


Common rail direct fuel injection is a modern variant of direct fuel injection system for petrol and diesel engines.

On diesel engines, it features a high-pressure (over 1,000 bar or 15,000 psi) fuel rail feeding individual solenoid valves, as opposed to low-pressure fuel pump feeding unit injectors (Pumpe/Düse or pump nozzles). Third-generation common rail diesels now feature piezoelectric injectors for increased precision, with fuel pressures up to 1,800 bar or 26,000 psi.

In gasoline engines, it is used in gasoline direct injection engine technology.

History






Common rail fuel system on a Volvo truck engine



The common rail system prototype was developed in the late 1960s by Robert Huber of Switzerland and the technology further developed by Dr. Marco Ganser at the Swiss Federal Institute of Technology in Zurich, later of Ganser-Hydromag AG (est.1995) in Oberägeri.

The first successful usage in a production vehicle began in Japan by the mid-1990s. Dr. Shohei Itoh and Masahiko Miyaki of the Denso Corporation, a Japanese automotive parts manufacturer, developed the common rail fuel system for heavy duty vehicles and turned it into practical use on their ECD-U2 common-rail system mounted on the Hino Rising Ranger truck and sold for general use in 1995.[1] Denso claims the first commercial high pressure common rail system in 1995.[2]

Modern common rail systems, whilst working on the same principle, are governed by an engine control unit (ECU) which opens each injector electronically rather than mechanically. This was extensively prototyped in the 1990s with collaboration between Magneti Marelli, Centro Ricerche Fiatand Elasis. After research and development by the Fiat Group, the design was acquired by the German company Robert Bosch GmbH for completion of development and refinement for mass-production. In hindsight, the sale appeared to be a tactical error for Fiat, as the new technology proved to be highly profitable. The company had little choice but to sell, however, as it was in a poor financial state at the time and lacked the resources to complete development on its own.[3] In 1997 they extended its use for passenger cars. The first passenger car that used the common rail system was the 1997 model Alfa Romeo 156 2.4 JTD,[4] and later on that same year Mercedes-Benz C 220 CDI.

Common rail engines have been used in marine and locomotive applications for some time. The Cooper-Bessemer GN-8 (circa 1942) is an example of a hydraulically operated common rail diesel engine, also known as a modified common rail.

Vickers used common rail systems in submarine engines circa 1916. Doxford Engines Ltd.[5] (opposed-piston heavy marine engines) used a common rail system (from 1921 to 1980) whereby a multi-cylinder reciprocating fuel pump generated a pressure of approximately 600 bar, with the fuel being stored in accumulator bottles. Pressure control was achieved by means of an adjustable pump discharge stroke and a "spill valve". Camshaft-operated mechanical timing valves were used to supply the spring-loaded Brice/CAV/Lucas injectors, which injected through the side of the cylinder into the chamber formed between the pistons. Early engines had a pair of timing cams, one for ahead running and one for astern. Later engines had two injectors per cylinder, and the final series of constant-pressure turbocharged engines were fitted with four injectors per cylinder. This system was used for the injection of both diesel oil and heavy fuel oil (600cSt heated to a temperature of approximately 130 °C).

The common rail system is suitable for all types of road cars with diesel engines, ranging from city cars such as the Fiat Nuova Panda to executive cars such as the Audi A6.

Source

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