資料介紹
提出一種基于網(wǎng)絡(luò)的溫濕度監(jiān)控系統(tǒng)方案,選取Scnsirion公司生產(chǎn)的數(shù)字溫濕度傳感器SHT75實(shí)現(xiàn)溫濕度測量,測量精度可編程調(diào)節(jié),控制濕度檢測精度在±4%以內(nèi),溫度檢測精度在±0.4 ℃以內(nèi);采用模糊控制技術(shù)監(jiān)控溫度和濕度,減少了系統(tǒng)的狀態(tài)切換;采用ASP.NET和AJAX及VML等技術(shù)相結(jié)合實(shí)現(xiàn)溫濕度的網(wǎng)絡(luò)監(jiān)控,實(shí)現(xiàn)了Internet環(huán)境的遠(yuǎn)程監(jiān)控與管理方案,以及傳感器測量數(shù)據(jù)的異步傳輸,使系統(tǒng)的響應(yīng)速度提高了20%,對于存在多個(gè)節(jié)點(diǎn)和測量頻率較高的領(lǐng)域,這種方法更能顯示其優(yōu)勢。
- Abstract:
- ?A sensor network system for monitoring temperature and moisture was presented. Fuzzy control was applied to monitoring temperature and moisture,which reduced the number of switched states. The usage of digital temperature and humidity sensor chip SHT75 produced by Scnsirion company measured temperature and humidity so accurately that the measurement error was less than 0.4℃ for temperature and ±4 percent for humidity. The temperature and moisture monitoring network system was realized with the combination of ASP.NET,AJAX and VML technology. The system design can implement long-distance monitor,control and management with Internet,asynchronous transportation of sensors’ monitor data and improvement of system response speed by 20 percent. The net scheme has much better performance than traditional way,especially in the case a lot of measure nods exist and the measure frequency is high.
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