Know the Risk: Learning from errors and accidents: safety - download pdf or read online

By Romney Duffey Ph.D. B.Sc., John Saull

ISBN-10: 0080509738

ISBN-13: 9780080509730

ISBN-10: 0750675969

ISBN-13: 9780750675963

We are living in a technological international, uncovered to many hazards and mistakes and the phobia of dying. recognize the chance indicates us how we will be able to research from the numerous error and tragic injuries that have plagued our constructing technological international. This step forward quantity provides a brand new notion and concept that indicates how mistakes can and will be analyzed in order that studying and adventure are accounted for. The authors exhibit that, through the use of a common studying curve, blunders should be tracked and controlled so they are decreased to the smallest quantity attainable. The authors have dedicated a couple of years to accumulating info, studying theories on the subject of errors relief, layout development, administration of mistakes and project of reason. The analyzed information pertains to hundreds of thousands of error. They discover a universal thread among all technology-related injuries and hyperlink all of those blunders (from the headline tales to the standard accidents). They problem the reader to take a special examine the flow of threats, hazards, risks, statistics and mistakes by means of featuring a brand new point of view. The publication uses specified illustrations and explores many headline injuries which spotlight human weaknesses in harnessing and exploiting the know-how now we have built; from the significant to Chernobyl, Bhopal to Concorde, the Mary Rose to the Paddington rail crash and think about mistakes over which we've very little keep an eye on. via reading the sizeable information society has amassed, the authors express how the recognized injuries and our daily dangers are comparable. The authors turn out the power in their observations by way of evaluating their findings to the recorded background of tragedies, mess ups, injuries and incidents in chemical, airline, delivery, rail, vehicle, nuclear, clinical, business and production applied sciences. in addition they deal with the administration of caliber and losses in creation, the hunt for 0 defects and the avoidance of private threat and risk. Stresses the significance of a studying atmosphere for protection development areas either caliber and safeguard administration within the similar studying context how one can tune and deal with mistakes to minimize as fast as attainable

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Com," entering your flight data will give you a probability of crashing (all causes except hijacking and terrorism). , 1 in 29 million, some 100 times different. Is this right? S. DOT, and OAG information. ) a travel magazine, Conde Nast. Data are given for individual major commercial airlines as a function of total flights for 85 airlines and contain 182 million commercial flights (MF) over some 25 years for the interval 1969-1994. This data set is therefore before the time of the Concorde crash in 2000.

Instead, in the DSM, we just look at the data, compare to the MERE theory, and then make a prediction based on the exponential model. The Minimum Error Rate Equation (MERE) For those with a mathematical bent, the theory is given in more detail in Appendix A and results in a minimum error rate equation (MERE). 26 Know the Risk At any state or stage in experience, the rate of reduction of errors (or accidents) is proportional to the number of errors being made, A. In mathematical terms: dA/d~ ~: A where dA/dz is the rate of reduction of errors, A, with increasing accumulated experience, "c, or dA/dx = - k ( A - AM) where A is the number of errors and A M the minimum achievable number, k is the learning rate characteristic (time) constant, and x is the accumulated experience.

The event rate, R, say, is then the number of incidents (errors) in a given time scale divided by the amount of experience or risk exposure in the same given time scale, or symbolically: R = (Number of events (errors), E)/(Amount of experience interval, T) = E/T How then do we measure E, the number or errors, and T, the amount of experience? Usually we make T a measure of time, so in a given year, or month or hour, we know what the rate is in that interval o f our lives. But experience can and must be expressed in many ways.

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Know the Risk: Learning from errors and accidents: safety and risk in today's technology by Romney Duffey Ph.D. B.Sc., John Saull


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