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Daikin Design Challenge

Back in year 1999, Mr. Lee Kuan Yew (The first Prime Minister of Singapore) had picked airconditioner as one of mankind’s great inventions when asked by Wall Street Journal. Before airconditioner, people living in the tropics were at a disadvantage because of heat and humidity damaged the quality of work and life. Nowadays air-conditioner is an essential need to every household. However, it is an undeniable fact that air-conditioner is considered as one of the most energy consuming electrical appliances.

Spot cooling is a concept to help reduce energy consumption without sacrificing consumer comfortability. Conventional air-conditioner will cool down the entire room or space regardless of occupancy. Cooling down an unoccupied space is considered a waste of energy. The fundamental of spot cooling is the detection of the desired cooling spot.

Human presence sensor is a common technology widely used in many air-conditioner to divert the airflow. The weakness of this sensor is the inability to prioritize the cooling zone when there are several consumers in a room. Furthermore, the presence of other heat sources may cause confusion and misdetection of the operation.

The design challenge involves the following aspects:
  1. To develop a non-human decoy detection system. The decoy system must be unique and cannot be interfered by other objects or humans in a room.
  2. A dynamic tracking mechanism to track a moving object with fast response and lock-in time.
  3. High accuracy of position tracking. The precision shall be controlled within a radius of 50cm.
  4. To implement the system into a wall-mounted air-conditioner unit to divert the airflow to the detected spot within a 3x3 square meter room floor area.

Daikin Malaysia Sdn. Bhd. (DAMA) is the only air conditioning manufacturer in Malaysia producing a wide range of HVAC equipment for the Malaysian and global export market, from basic residential air-conditioners to high technology light commercial and commercial heat pumps, air-cooled and water-cooled chillers. The integration with Daikin has enabled Daikin Malaysia (formerly known as OYL Manufacturing Company Sdn. Bhd.) to capitalize on each other’s strengths and compensate for each other’s weaknesses, as well as develop business market and improve technology. At our state-of-the-art R&D Centre and production facilities in Sungai Buloh, we continue to drive advances in energy efficiency and improve in-home comfort for our customers.

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