身心障礙者的家庭自動化系統，除了要開發適用於身心障礙者的輔具，使身心障礙者不因肢體或是辨識上的困難而影響操作；另外，為了讓整體的居家環境和家電能夠形成一個家電網路，達到家庭自動化的目標，我們必須開發讓家電之間能夠彼此溝通的媒介。電力線網路是世界各處隨手可得的網路，只要將具有電力線網路功能的裝置插進插座，除可獲得電源外又能傳輸資料。
本論文著重於低速電力線通訊之硬體實現，以改良式X-10為基礎，採用單晶片為核心架構，利用時間中斷功能，更精準的控制傳送電路與接收電路的資料路徑，在通訊過程中的協定加入了偵錯及交握功能，使系統在雙向溝通能夠更完善，資料傳輸上能更正確，並將資料傳輸速度提昇至4800bps；完成的硬體電路較為精簡，使製作成本更為降低。

A home automation system to be suitable for the disabled has several factors. Such as, the suitable disabled assistances have to be developed, so that the disabled weak activity and identifying ability is not affect to operate the system. Besides, we have to develop the communication interface among home appliances for the goal of the home automation system, in order to integrate the environment and home appliances as a network that connected different appliances and sensors. The power line network is easy to obtain. We need only to insert the power plug of the device with the power line network function into power socket; the power and the connection both can be obtained.
This thesis focuses on the hardware implementation of the low-speed power line communication. The home automation system is based on a modified method of X-10 standard. In this system, a single chip is used as the main structure, and the system utilizing its timer interrupt function can control precisely the flow of the data path of transmitter and receiver circuit. The functions of error detecting and handshaking have been designed in communication protocol so that the communication stability between several devices is higher, and the correct rate of data transfer is also higher. The results show that the data transmission speed in this system has been increased to 4800bps, the circuit is simple and the manufacture cost is low.

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