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Published online by Cambridge University Press: 05 August 2013
The SRI Computer-Based Consultant
As my colleagues and I at SRI cast about for ways to continue our planning and vision research we had been doing under the “Shakey the Robot” project, while satisfying DARPA's interest in militarily relevant applications, we hit upon the problem of equipment maintenance, repair, and training. We pointed out that any technology that could reduce expenditures for these items and lessen the need for utilizing scarce human experts would be extremely important to the military. Furthermore, we said, this need “cannot be satisfied merely by writing more and better manuals. A sophisticated computer system seems to us essential.”
We proposed to begin work on this problem by developing an environment in which an apprentice repair person would be given advice about how to take apart and reassemble a small air compressor. The advice would be generated (as needed by the apprentice) by a planning and execution system that would give suggestions about what to do next. The apprentice could ask for advice, using a predefined small vocabulary, which the system would analyze with state-of-the art speech recognition equipment, and then the system would answer, using a speech generation module. The system would also employ a machine-vision system to help keep track of progress and to observe components pointed to by the apprentice.
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