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One of the oft encountered problems while applying TRIZ to real world problems is to identify from a large set of promising solution directions, the ones that are most promising, elegant or closest to ideality. This is especially true when the problem can be defined at multiple system levels, each level having multiple paths flowing towards the ideal final result. This paper describes such a situation encountered while analyzing a real world problem (rebar tying) with TRIZ. Steel reinforcement bars are tied together to form grids and reinforce concrete. Rebar tying machines have evolved over the years from pneumatic and mechanical systems to electro-mechanical systems with embedded electronics. TRIZ-based analysis and ideation resulted in a large number of interesting evolution paths for the rebar tying system. However, the question “Which paths would evolution favor” was difficult to answer. TRIZ does offer clues to pre-select the most promising paths in advance, but needs an integrated approach for the same. The paper describes such an integrated approach with the rebar tying case study as reference.




Karthikeyan Iyer (Karthik) is Co-crafter, Founder Director at Crafitti Consulting Private Limited, an innovation research and consulting think tank. In a  career spanning more than a decade, he has pioneered and facilitated the use of structured innovation frameworks like Lean and TRIZ in live business and technology contexts, working especially closely with inventors on patent strategy, analysis and design.
Several of his papers and articles on innovation and strategy have been published in leading online journals. His current areas of interest include innovation culture and chaos theory, open innovation, inventive principles and technology evolution trends. He blogs at http://kartzpot.blogspot.com.

Inside TRIZ

Case Studies From A Breakthrough Innovation

Inside TRIZ
 
Photo of Darrell MannMarch 2012
 
Darrell Mann
 
Case Studies From A Breakthrough Innovation
 
"Starting in August 2004, the Hong Kong government began sponsoring a deployment of TRIZ to a cluster of eight local companies. Over the course of the next 15 months, each company was invited to assemble a team of between 5 and 8 engineers and designers each of whom would be exposed to a series of six three-day TRIZ education and utilization sessions. The aims of the program were for each company to realize new products, patents and tangible financial benefits, and to measure the extent to which TRIZ allowed companies to accelerate their rate of innovation. This paper describes a collection of some of the success stories emerging from the program."
 
 

TRIZ Features

Alexander Selutsky

TRIZ Feature

Alexander Selyutsky - a key figure in the history of TRIZ!

Alexander Selyutsky

Selyutsky Alexander Borisovich was born April 6, 1933 to an intelligent Jewish family residing in Leningrad. During the World War II the plant where his father was working was evacuated to the Urals, and the family (the parents and Alexander) moved to Chelyabinsk. Here, Alexander graduated from high school. He wanted to go to a military school, but didn’t pass vision test and entered the Chelyabinsk Polytechnic Institute. In his first year he was forced to learn boxing (because of frequent anti-Semitic attacks) and became a Komsomol activist.

After graduation, he was sent to Petrozavodsk Onega tractor plant, where he worked as a designer. He continued leading a very active social life, organized and led voluntary militia patrolling the streets of the city because the situation was very criminal. In the search for more satisfying work he became interested in patenting, completed appropriate courses and became a patent agent.

In 1960, Alexander married Dolly Naumovna Audleys, and had a daughter Alla in 1961. The same year G.S Altshuller published a book " “Learn how to invent"[1] . After reading this book in 1965 Selyutsky wrote a letter to Altshuller. This letter started their acquaintance by correspondence. Since then, Alexander became one of the most dedicated Altshuller’s disciples and an active promoter of the emerging new science.

They finally met in 1968 in Dzintary (near Riga), at the seminar organized by the Central Board of VOIR (state leading inventors’ and innovators’ society) that invited Altshuller and several of his associates. It was the first time that Alexander and others got a chance to work under the direct guidance of Altshuller and to learn from him. Later, in 1983, Alexander participated as one of the instructors in the seminar conducted by G.S. Altshuller in Moscow at the Institute for continuous education for chemical and petroleum industries.

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