จำนวน Repository ( 3447 )
การออกแบบเครื่องอบแห้งพลังงานแสงอาทิตย์แบบไฮบริด
This research is to develop and experiment the hybrid solar dryer by using cultivated banana as the ingredient in the experiment. The objective is to design create and test the hybrid solar dryer that using heat energy with infrared heater. The result from the experiment of drying cultivated banana at night-time by using heat energy from infrared heater is found that at night-time experiment cultivated bananas moisture is decrease more than at day-times experiment for 61.25 %. The temperature inside the hybrid solar dryer at night when using heat energy from infrared heater is at 49.1-55.0°C. Using heat from sunlight together with infrared heater cause the cultivated bananas moisture to decrease better approximately 27 % when compare to drying with heat energy by only sunlight.
การออกแบบและพัฒนาเสื้อต้นแบบชาวเขาเผ่าม้ง
The objectives of this research were to 1) study patterns and patternsmaking of Hmong tribal top 2) design and develop Hmong tribal top 3) investigate satisfaction towards Hmong tribal top. The sample used in this study were 378 Hmong villagers residing in Mae Chaem District Samoeng District and Ganlayani District. Satisfaction questionnaires towards Hmong tribal top designs and 2 Hmong tribal top prototype developments were used as tool for the consumersatisfaction data collecting. The descriptive used for statistical analysis in the studywere the frequency percentage arithmetic mean and standard deviation. The research findings were as follows; (1) Most of the respondents were married ageing between 26 to 30 years old. They were mainly self-agricultural activities owner having monthly income lower than10000 baht with educational background lower than bachelor degree. The study revealed that majority of male respondents 97.88 % were capable to make Hmong tribal cloth. In contrast majority of female respondent 89.42 % were knowledgeable in Hmong apparel making. Predominantly the respondents largely wore Hmong apparel privately tailored by family member 75.13 % in male respondents and 79.89 in female respondents. Unanimously most of male and female respondents satisfied by the Hmong tribal top prototype 88.89 in male and 81.48 in female because of its ease of movement in all positions. Most of respondents were content in design and Hmong tribal top prototype. Male respondents preferred Hmong male tribal top No.1 to No.2 with average 4.31 and 4.25 respectively. Overall the satisfaction of both designs was in high level. Meanwhile female respondents were satisfied by female top prototype No.1 than prototype No.2 with average at 4.35 and 4.27.
การปรับปรุงความคมชัดของภาพ ด้วยการปรับเท่าฮีสโตแกรมด้วยการเปลี่ยนแปลงเวฟเลตสองมิติ
This thesis emphasizes the improvement approaches of quality on digital data to be more sharpness by two- dimensional technique. Today the availability from the improvement of Digital Image Processing is used widely in various occupations such as medical field with reading the results from CT scanning military field with the improvement of aerial map for country prevention agricultural field with leaf analysis of its disease and the educational field with the image processing and robot vision to increase its effective learning and remembering development. It can be seen that the image development through its sharpness is really crucial therefore this thesis used the Gray Scale for transforming by two-dimensional wavelet and LL Band got from this wavelet transform to be improved by histogram technique. The histogram was divided into 4 parts based on its cumulative density at 0.25 0.5 0.75 and 1 then smoothed the data by separation after that brought the results to invert wavelet which gives the new image through improved LL band. The research result revealed that the mean of the Absolute Mean Brightness Error (AMBE) was decreased while enable the image sharpness to suitably increase 80%.
การพัฒนาระบบเฝ้าสังเกตการแทรกตัวของน้ำเค็มสำหรับพื้นที่ปลูกทุเรียน จังหวัดนนทบุรี
This research is to develop a prototype of a salinity intrusion monitoring system using fuzzy logic to extract salinity values. A system is developed according to a fuzzy logic model using FAOs for appropriate agricultural water quality data considering the electrical conductivity (EC) and total dissolved solids (TDS) as indicators of the salinity value by using the Fuzzy Logic Toolbox to produce and test the generated model. Transformation of the generated models to Embedded C format using the Simulink Coder tool installed in the ARM STM32F microcontroller and a 10-fold cross-validation test was used to validate the data extraction. The Root Mean Square Error (RMSE) for the test results was 0.58175 on average. This research result indicates that the generated model is able to extract data that very closely matches the specified data.
การพัฒนาฐานข้อมูลโรคและยาสมุนไพรหมอพร
This research aimed to collect classify and process the data of Moh Phon’s diseases and herbal drugs from his medicine scriptures analyze and design the database with its user interfaces. Then the program of Moh Phon’s diseases and herbal drugs database was developed. After that the program was tried out by the sample group of 50 students from the third year of the field of English for International Communication faculty of Liberal Arts Rajamangala University of Technology Phra Nakhon. Finally the students of 15 males and 35 females answered the questionnaires of their satisfaction of using the program. The results were as follows: 1. The data of Moh Phon’s diseases and herbal drugs consisted of core information as follows: names of diseases names of herbal medicines names of herbs which were ingredients of each medicine recipe the properties of each medicine recipe and how to prevent some diseases. 2. The questionnaires analysis of students’ satisfaction of using the program of Moh Phon’s diseases and herbal drugs database revealed that the overall arithmetic mean of users’ satisfaction was 75.00. The highest scored item of 87.50 percent was “I think this program is useful”; and the lowest scored item of 66.50 percent was “I think the screen format is interesting”. Moreover there were 7 users who showed their positive opinions towards the program which was 14 percent of all the informants.