| Summary: | 碩士 === 朝陽科技大學 === 營建工程系碩士班 === 100 === The usual methods used for evaluating productivity in construction industry include Field Rating Method, Work Sampling Method and Five-Minute Rating Method etc. Each method has its unique advantage. However, some of common shortages are included in these methods. For example, during the process of evaluation, each observer may have different judgement and lead to different result.
In order to overcome this shortage, this study explored how to use infrared cameras to detect the temperature on the subjects’ nose tips, observing the workers who were putting up a scaffold and attempted to determine their job attributes (effective work, essential contributory work or ineffective work). 10 people were selected as the subjects in this study. Their ages range from 23 to 25 years old. The subjects put up a scaffold in the lab environment.
The result of the test showed that use of infrared cameras to detect the temperature on the subjects’ nose tips could effectively differentiate effective work, essential contributory work and ineffective work. However, the test results also indicated that after the subjects got familiar with the essential contributory work, the temperature change on the nose tip was minimized, which caused the phenomenon that essential contributory work and ineffective work couldn’t be distinguished.
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