CSCI 5230: Project Management Software Reuse Disasters: Therac-25 and Ariane 5 Flight 501 David Sumpter 12/4/2001. Contents. Introduction 3 Therac-25 – Background 4 Therac-25 – Software Process 5 Therac-25 – Causes 6By derry
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Therac -25. CS4001 Kristin Marsicano. Therac-25 Overv iew. What was the Therac -25? How did it relate to previous models? In what ways was it similar/different? Was the Therac-25 reliable?. Therac-25 Overview.
Therac-25. Computer-controlled radiation therapy machine Massively overdosed 6 people, June 1985–January 1987. Medical linear accelerator Radiation beam bent and spread using magnets Controlled by a PDP-11 Dual-mode – electron setting (low energy) or X-ray photon (high energy).
Therac-25. Computer-controlled radiation therapy machine Massively overdosed 6 people, June 1985–January 1987. Medical linear accelerator Radiation beam bent and spread using magnets Controlled by a PDP-11 Dual-mode – electron setting (low energy) or X-ray photon (high energy) .
THERAC 25. EE 585 : FAULT TOLERANT COMPUTING SYSTEMS B.RAM MOHAN. Background. The most serious computer related accidents to date. Therac 25 was a medical linear accelerator , a linac developed by Atomic Energy Of Canada Ltd(AECL).
Therac-25 Case. Computingcases.org Safeware. In this case…. you will practice decision-making from the participatory standpoint learn how to make decisions in the face of uncertainty Uncertain whether the patient complaints indicate radiation overdoes
The Therac-25: A Software Fatal Failure. Kpea, Aagbara Saturday. SYSM 6309 Spring ’12 UT-Dallas. The Therac-25 was a medical linear accelerator, used to treat cancer patients to remove tumors. What is the Therac-25 ?.
Therac-25 Case. Computingcases.org Safeware. Start with what was known…. Therac-25 is a medical linear accelerator for use in treating cancer. At four of the hospitals using this machine, a series of mysterious complaints developed