回顧式與前瞻式記憶輔助機器人系統

近年來照護型機器人已經進入人們的生活，我們期待機器人提供不同的服務來幫助人們更加便利。隨著老年人口快速增加，老人照護的重要性也隨之提高。其中記憶力衰退對於老人來說更是一個無可避免的問題。然而記憶輔助在機器人卻很少被討論。在這篇論文中，回顧式記憶輔助用於回想過去遺忘的事情，像是「我上個禮拜去了哪裡?」，「我前天跟誰一起出門?」機器人分析使用者過去的經驗並給予簡短的記憶提示讓使用者回想起當時狀況，而非直接給予當下的全部資訊。而在前瞻式記憶輔助則是提供額外的提醒，當擁有使用者行程時，能夠應用過去使用者經驗給予額外的幫助，針對提醒的事件，找出在過去經驗中相關的事物，給予額外的提醒。系統中我們利用「自適應共振理論(Adaptive Resonance Theory)」，利用人事時地物的關係，找出對於「事件(activity)」與其他記憶線索(memory cue)的關聯性。藉此讓使用者能夠得到簡短且精準的記憶提示、以及輔助。在模擬的環境中，我們針對記憶的關聯性，產生出具備記憶線索(memory cues)的句子，當使用者成功回想起事件時，我們給予正向的回饋，藉由使用者回饋(user feedback)來讓機器人能夠更加符合機器人喜好。結果顯示當系統執行一段時間後能夠讓使用者有效率的回想起忘記的事物。而在真實世界中的測試中也證明了，系統確實能夠提供有效率的記憶輔助，幫忙使用者夠快想起。

關鍵字

前瞻式記憶輔助；回顧式記憶輔助；社交網路；記憶輔助機器人系統

並列摘要

Recently, home-care robots get involved in human's life, and we expect robots are capable of providing various services to make human more convenient. As the elderly population grows rapidly, the trend causes the development of the elderly care. One of the inconvenience for the elderly is that memory decreasing. However, in recent robotic research, the memory aid systems for robots are seldom discussed. In this work, the retrospective and prospective memory aid robot system is proposed. Retrospective memory aid helps users recall the memory when users forget, like "Who is Mr.Wang?" or "What did I do last weekend?". A memory-aid robot should analyze the past experience and give the short and precise memory hints to make users recall instead of describing all the details. Prospective memory aid provides the service that reminds users of the scheduled tasks effectively. It can hint the information that the user often forgets or the relevant objects required in scheduled tasks. This work is composed of the memory architecture, the method to encoding and storing information, and the two memory services we just mentioned. The proposed system has been tested in simulations and on a real robot. The result shows that the robot is capable of connecting the forgotten memory with the remembered memory efficiently.

並列關鍵字

Retrospective Memory Aid System ； Prospective Memory Aid System ； Social Network ； Memory Aid Robot System

參考文獻

[1] United Nations, Department of Economic and Social Affairs, Population Division.,“World population ageing,” vol. A/348, 2013.

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國際替代計量

回顧式與前瞻式記憶輔助機器人系統

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