隨著行動手持裝置以及數位家電的普及化，情境感知系統近幾年來變得相當熱門。情境感知系統將計算能力整合進生活環境中，以便於人們能夠更自然、更隨性地與電子裝置互動。這些系統能夠檢視環境並且依照環境狀態的改變而調整自身行為。我們的研究就是著重於幫助軟體發展人員建構這類的情境感知程式。
　　在本篇論文中，我們提出了情境感知數位家庭程式框架(CADHAF)，這個多代理人中介軟體能夠減輕軟體程式開發者的負擔。我們利用CADHAF建構了情境感知數位家庭程式系統(CADHAS)，這個多使用者情境感知系統結合了PDA訊號強度定位、人臉辨識、臉部AU辨識、姿勢偵測、心電圖量測、類神經網路情緒辨識、語音合成、語音辨識、電力控制、多媒體串流、移動物件追蹤、RFID定位、簡訊發送…等技術，以便提供自動化的生活照護，醫療照護，以及心靈照護。
　　儘管CADHAF能夠在設計階段幫助程式設計者發展系統，但是在軟體測試階段它並無法滿足設計者的需求。因此，我們也提出了情境感知數位家庭環境模擬器(CADHES)來模擬環境狀態以及計算裝置。有了CADHES所提供的虛擬裝置以及虛擬環境狀態，我們便能輕易地在軟體發展階段的早期測試自己的情境感知程式。
　　除了提出CADHAF，CADHAS，以及CADHES之外，我們也描述了相關情境感知框架的異同之處。其他類似的模擬器與CADHES的比較也會一併敘述於本篇論文中。

　With the appearance of mobile devices and digital appliances, context-aware systems become more popular in recent years. Context-aware systems integrate computation into the environment to enable people to interact with computational devices more naturally and casually than they currently do. These systems can examine the computing environment and adapt themselves according to changes to the environment. Our research is focused on assisting software developers in building such context-aware applications.
　In this thesis, we propose a multi-agent middleware named Context-Aware Digital Home Application Framework (CADHAF) to ease the burden of software application developers. With CADHAF, we establish a multi-user context-aware system called Context-Aware Digital Home Application System (CADHAS) to support automatic daily life assistance, health care, and spiritual care by exploiting various computer techniques such as positioning system via PDA signal strength analysis, human face recognition, facial action unit recognition, human posture detection, electrocardiogram measurement, neural network based emotion recognition, text to speech synthesis, automatic speech recognition, power control system, multimedia streaming, moving object tracking, RFID positioning system, short message service, etc.
　CADHAF only helps system construction during the design phase but does not meet developers’ needs in software testing phase. Therefore, an environment simulator called Context-Aware Digital Home Environment Simulator (CADHES) simulating the device and environment status is proposed to reduce the development cost of context-aware applications. With the virtual devices and the virtual environment status provided by CADHES, we can easily test our context-aware applications in the early stage of software development.
　In addition to the presentation of CADHAF, CADHAS, and CADHES, we also illustrate the varieties and similarities between related context-aware frameworks and our system. The comparison with other similar simulator projects is given in this thesis as well.

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