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Dive into the research topics where Jari Juhanko is active.

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Featured researches published by Jari Juhanko.


Sensors | 2018

Using Low-Cost Sensors to Develop a High Precision Lifting Controller Device for an Overhead Crane—Insights and Hypotheses from Prototyping a Heavy Industrial Internet Project

Heikki Sjöman; Juuso Autiosalo; Jari Juhanko; Petri Kuosmanen; Martin Steinert

The subject of this study was the product development project creating a new innovative proof-of-concept (POC) prototype device that could control a connected industrial overhead crane in order to perform automatic or semi-automatic high precision lifts within a limited time frame. The development work focused on innovating a new measuring concept, which was parallel to finding suitable sensors for the application. Furthermore, the project resulted in a closed loop control system with Industrial Internet connected sensors and a user interface for factory workers. The prototyping journey is depicted to illustrate the decisions made during the product development project to contribute to both the pragmatic and the process discussion in the field of Industrial Internet. The purpose of this research was to explore and generate hypotheses for how new applications should be developed for heavy industry connected devices. The research question is: what are the implications of applying agile product development methods, such as Wayfaring, to heavy industrial machinery and Industrial Internet -based problems? The methodologies used in this paper, in addition to developing the device, are case study research and hypotheses generated from case studies. The hypotheses generated include that it is also possible to prototype large size connected machinery with low-cost and in a short time, and investment decisions for heavy Industrial Internet products become easier with concrete data from proof-of-concept prototypes by creating knowledge about the investment risk and the value proposition.


Precision Engineering-journal of The International Societies for Precision Engineering and Nanotechnology | 2017

Application of Monte Carlo simulation for estimation of uncertainty of four-point roundness measurements of rolls

Thomas Widmaier; Björn Hemming; Jari Juhanko; Petri Kuosmanen; V.-P. Esala; Antti Lassila; P. Laukkanen; J. Haikio


Mechanical Systems and Signal Processing | 2018

Vibration analysis of paper machine’s asymmetric tube roll supported by spherical roller bearings

Janne Heikkinen; Behnam Ghalamchi; Raine Viitala; Jussi Sopanen; Jari Juhanko; Aki Mikkola; Petri Kuosmanen


Advanced Science Letters | 2013

Digital Design Process and Additive Manufacturing of a Configurable Product

Heidi Piili; Thomas Widmaier; Ari Happonen; Jari Juhanko; Antti Salminen; Petri Kuosmanen; Olli Nyrhilä


Archive | 2010

Measurement of Oil Film Pressure in Hydrodynamic Journal Bearings

Antti Valkonen; Jari Juhanko; Petri Kuosmanen


Estonian Journal of Engineering | 2013

Digital design and manufacturing process comparison for new custom made product family - a case study of a bathroom faucet

Thomas Widmaier; Jari Juhanko; Heidi Piili; Petri Kuosmanen; Antti Salminen; Ari Happonen; Jesse Kontio; Olli Nyrhilä


Archive | 2010

Intelligent Monitoring of Journal Bearings

Antti Valkonen; Jari Juhanko; Petri Kuosmanen; Juhani Martikainen


Estonian Journal of Engineering | 2010

Dynamic geometry of a rotating cylinder with shell thickness variation

Jari Juhanko; Esa Porkka; Thomas Widmaier; Petri Kuosmanen


Ironmaking & Steelmaking | 2009

Reducing thickness variation of hot rolled steel strip by non-circular back-up roll geometry

Thomas Widmaier; T. Salmela; Petri Kuosmanen; Jari Juhanko; Petri Kärhä; Jari Uusimäki


Archive | 2007

New method for proactive maintenance of paper machine rolls

Jari Juhanko; Petri Kuosmanen

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Esa Porkka

Helsinki University of Technology

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Antti Salminen

Lappeenranta University of Technology

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Heidi Piili

Lappeenranta University of Technology

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Ari Happonen

Lappeenranta University of Technology

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Aki Mikkola

Lappeenranta University of Technology

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Antti Lassila

Centre for Metrology and Accreditation

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Antti Valkonen

Helsinki University of Technology

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Behnam Ghalamchi

Lappeenranta University of Technology

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