WebbThere were few comments, and no proof that any timing analysis had been performed. According to AECL, a single programmer had written the software based upon the … The Therac-25 was a computer-controlled radiation therapy machine produced by Atomic Energy of Canada Limited (AECL) in 1982 after the Therac-6 and Therac-20 units (the earlier units had been produced in partnership with Compagnie Générale de Radiologie (CGR) of France). It was involved in at least six … Visa mer The machine had three modes of operation, with a turntable moving some apparatus into position for each of those modes: either a light, some scan magnets, or a tungsten target and flattener. • A … Visa mer The six documented accidents occurred when the high-current electron beam generated in X-ray mode was delivered directly to patients. Two software faults were to blame. One, when the operator incorrectly selected X-ray mode before quickly changing to … Visa mer • Gallagher, Troy. THERAC-25: Computerized Radiation Therapy. Archived from the original on 2007-12-12. (short summary of the … Visa mer A commission attributed the primary cause to general poor software design and development practices rather than single-out specific coding errors. In particular, the software was … Visa mer • Computer ethics • High integrity software • IEC 62304 Visa mer
软件工程的史前时代 -- Therac-25 事件 - 知乎
Webb1 Introduction 2 Fondamentaux des tests A propos de ce cours 3 Tester pendant le cycle de vie du développement logiciel 4 Tests statiques 5 Techniques de test 6 Gestion des tests 7 Outils de support aux tests f Introduction 1- ISTQB 2- Niveaux de certification 3- Les avantages de la certification ISTQB ISTIC - Test Logiciel 4 fIntroduction ISTQB® WebbTherac-25的软件控制系统 从Therac-6开始,设备已经使用了计算机软件控制,但是其主要控制功能由硬件电路承担,软件只起辅助作用。在设计 Therac-20和Therac-25时,开发 … townpark lane
KIL M)NPORQTS%UVMPWXO L - Massachusetts Institute of …
WebbTherac-25 is Shut Down. In February, 1987, the FDA and its Canadian counterpart cooperated to require all units of Therac-25 to be shut down until effective and … http://computingcases.org/case_materials/therac/case_history/Case%20History.html Webb18 maj 2012 · La Therac-25 era una máquina de radioterapia producida por la Atomic Energy of Canada Limited (AECL) después de las unidades Therac-6 y Therac-20 (las unidades anteriores fueron producidas en asociación con CGR de Francia). townpark crossing burned carpet