As the pioneer of measurement and control for buildings, plants and factories, Yamatake provides environmental solutions for solving the customer’s environmental issues. We propose the most optimal energy-saving solutions to customers, and contribute to reducing their environmental impact.

In implementing energy-saving measures, it should be noted that changes in prior conditions could actually increase energy consumption, depending upon the means or methods used. Yamatake, on the other hand, utilizes its measurement know-how to propose the most optimum means for energy conservation, which take into consideration any changes in prior conditions.

    Furthermore, to realize energy conservation for the whole company or factory all at once is usually not possible. At Yamatake, we carry out extensive measurement of the customer’s factory for rating and prioritizing the energy-saving solutions according to their effectiveness, and make proposals in that order. We also recognize the importance of return on investment of our proposals.

    By realizing energy conservation in this manner, Yamatake strives to reduce the customers�Eenvironmental impact, improve their cost-competitiveness, and support their continuous growth. From this viewpoint, we consider our proposals for energy conservation as an example of CSR through our business. Through joint ownership of products, technologies, resources and knowledge of the Building Automation and Advanced Automation businesses, we are creating a partnership with a synergy effect, and constructing a new business model that is unique to Yamatake.

Constant temperature and humidity environment is necessary when working with molding tools, a task that requires many hours.

Panasonic Electronic Devices Co., Ltd. (PED) boasts a diverse product line-up, from key devices of advanced machinery to general-purpose parts for various products. Based on its key management issue of “coexisting with the environment,�EPED develops advanced recycling-oriented products at its environmentally-friendly factory. In the spring of 2005, PED’s Production Engineering Center installed Yamatake’s Infilex CR Energy-saving Controller for clean rooms, which realizes high accuracy in both temperature and humidity control; ±0.3°C for temperature and ±2.2 % for humidity. It also enables the clean room to conserve energy, achieving a 38% reduction in electric power, and 12% reduction in steam.

    What triggered PED to introduce the Infilex CR controller goes back to the fall of 2004, when a member of the Production Engineering Center’s Environmental Technology Team attended a seminar hosted by the Energy Conservation Center, Japan. This seminar introduced a case study of the Measurement Standard Center at Yamatake’s Fujisawa factory, which reduced its energy consumption by approximately 40%. This PED member thought, “the theory is solid, and it matches the issues that we have been trying to solve,�Eand paid a visit to the Fujisawa factory. As a result, the Production Engineering Center, which is responsible for verifying production methods and technologies for the entire company, purchased an Infilex CR controller for the purpose of verification, in 2005. After months of collaboration, the two companies were able to attain a satisfactory level of accuracy in constant temperature and humidity control.

    In the past, to achieve optimum control of constant temperature and humidity and simultaneously eliminate energy waste through control was considered almost impossible. To realize constant temperature and humidity, it requires additional refrigeration accompanied by reheating, which generates a large volume of wasted energy. The Infilex CR controller employs a unique technology for constant temperature and humidity control, which is completely different from conventional control technologies. This new technology, called “mathematical programming-type model predictive control,�Equickly attains the target temperature and humidity, thereby realizing control accuracy and energy conservation at the same time.

    After its performance was verified, PED’s Fukui Kanazu Factory installed nine Infilex CR controllers in its clean rooms in April 2006. The Matsushita Group (of which PED is a member) has announced that by 2010 it aims to reduce its carbon dioxide emissions by 7% (compared with 1990 levels), and reduce carbon dioxide emissions per unit by 10% (compared with 2000 levels). We at Yamatake hope to contribute to the achievement of these targets.

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