学位论文详细信息
State-based Safety of Component-based Medical and Surgical Robot Systems
safety;medical robotics;surgical robotics;software architecture;software framework;safety architecture;component-based software engineering;cisst;SAFECASS;dependability;computer assisted surgery;computer integrated surgery;Computer Science
Jung, Min YangKazanzides, Peter ;
Johns Hopkins University
关键词: safety;    medical robotics;    surgical robotics;    software architecture;    software framework;    safety architecture;    component-based software engineering;    cisst;    SAFECASS;    dependability;    computer assisted surgery;    computer integrated surgery;    Computer Science;   
Others  :  https://jscholarship.library.jhu.edu/bitstream/handle/1774.2/39512/JUNG-DISSERTATION-2015.pdf?sequence=1&isAllowed=y
瑞士|英语
来源: JOHNS HOPKINS DSpace Repository
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【 摘 要 】
Safety has not received sufficient attention in the medical robotics community despite a consensus of its paramount importance and the pioneering work in the early 90s.Partly because of its emergent and non-functional characteristics, it is challenging to capture and represent the design of safety features in a consistent, structured manner.In addition, significant engineering efforts are required in practice when designing and developing medical robot systems with safety.Still, academic researchers in medical robotics have to deal with safety to perform clinical studies.This dissertation presents the concept, model and architecture to reformulate safety as a visible, reusable, and verifiable property, rather than an embedded, hard-to-reuse, and hard-to-test property that is tightly coupled with the system.The concept enables reuse and structured understanding of the design of safety features, and the model allows the system designers to explicitly define and capture the run-time status of component-based systems with support for error propagation.The architecture leverages the benefits of the concept and the model by decomposing safety features into reusable mechanisms and configurable specifications. We show the concept and feasibility of the proposed methods by building an open source framework that aims to facilitate research and development of safety systems of medical robots.Using the cisst component-based framework, we empirically evaluate the proposed methods by applying the developed framework to two research systems -- one based on a commercial robot system for orthopedic surgery and another robot soon to be clinically applied for manipulation of flexible endoscopes.
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