Okil, Joseph Ogutu (1992) Developing an Automated Weather Station. Masters thesis, Kenyatta University.
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Abstract
The weaknesses of a manual weather station are discussed. The development of a versatile, automated weather station to minimise the errors associated with manual weather stations is described. Evaluation data was sampled for weather parameters such as temperature, relative humidity, pressure, wind speed and direction and light intensity. The data is analysed using statistical correlation methods to verify it's validity. Sensors for measuring weather conditions and the data logger interfaced with a BBC microcomputer for data communication and analysis are described. The transfer of data from the external RAM via the 1MHz bus into the microcomputer is facilitated by a software package developed to analyse the sampled data. The device can also he adopted for laboratory experiments and research work requiring data sampling over set periods of time. In the design, provision is made for variable sampling time intervals. The number of sensor analogue input channels committed can also be set between one and eight. For added versatility, control unit for a fan, heater and bulb is included for application in enclosed environments such as greenhouses.
| Item Type: | Thesis (Masters) |
|---|---|
| Subjects: | G Geography. Anthropology. Recreation > G Geography (General) Q Science > QC Physics T Technology > TD Environmental technology. Sanitary engineering |
| Divisions: | Africana |
| Depositing User: | Tim Khabala |
| Date Deposited: | 12 Sep 2017 11:47 |
| Last Modified: | 12 Sep 2017 11:47 |
| URI: | http://thesisbank.jhia.ac.ke/id/eprint/2048 |
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