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Evaporating Cloud
The evaporating cloud is one of the six thinking processes in the theory of constraints (TOC). The evaporating cloud (EC) – also referred to in the literature as "the cloud", or as a "conflict resolution diagram" – is a logical diagram representing a problem that has no obvious satisfactory solution.Fedurko, Jelena. Behind the cloud: Enhancing logical thinking. TOC Strategic Solutions Ltd (2011) Overview The most commonly used of the TOC tools, the EC was designed to address conflict or dilemma situations (trade-off situations where there is no acceptable compromise) by diagramming the logic behind the conflict and methodically examining the assumptions behind the logic. The EC has a set format with five boxes, labelled A, B, C, D and D’, where B and C both lead to the goal of A, D leads to B, and D’ leads to C, and D and D’ are in "conflict". Victoria J. Mabin, Steve Forgeson and Lawrence Green. Harnessing resistance: using the theory of constraints to assist change ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theory Of Constraints
The theory of constraints (TOC) is a management paradigm that views any manageable system as being limited in achieving more of its goals by a very small number of constraints. There is always at least one constraint, and TOC uses a focusing process to identify the constraint and restructure the rest of the organization around it. TOC adopts the common idiom "a chain is no stronger than its weakest link". That means that organizations and processes are vulnerable because the weakest person or part can always damage or break them, or at least adversely affect the outcome. History The theory of constraints is an overall management philosophy, introduced by Eliyahu M. Goldratt in his 1984 book titled '' The Goal'', that is geared to help organizations continually achieve their goals. Goldratt adapted the concept to project management with his book ''Critical Chain'', published in 1997. An earlier propagator of a similar concept was Wolfgang Mewes in Germany with publications ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vicky Mabin
Victoria Jane Mabin, also van den Broek-Mabin, is a New Zealand management academic, and is a professor emeritus at Victoria University of Wellington. Mabin is a Fellow of the UK Operational Research Society and was awarded a Lifetime Achievement Award by the Theory of Constraints International Certification Organization. Academic career Mabin completed a Bachelor of Science with Honours at the University of Canterbury in 1975, where she was a student of Hans Daellenbach. She then completed a PhD titled ''Variability in distribution'' at the Department of Operational Research at the University of Lancaster. Mabin worked at DSIR before joining the faculty of Victoria University of Wellington in 1991, rising to full professor as Professor of Management in 2012. Mabin was the Associate Dean (Teaching and Learning) for Victoria's School of Business for six years from 2008. In 2020 she retired and was made emeritus professor. Mabin's research focused on operational research and th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dilemma
A dilemma () is a problem offering two possibilities, neither of which is unambiguously acceptable or preferable. The possibilities are termed the ''horns'' of the dilemma, a clichéd usage, but distinguishing the dilemma from other kinds of predicament as a matter of usage. Terminology The term ''dilemma'' is attributed by Gabriel Nuchelmans to Lorenzo Valla in the 15th century, in later versions of his logic text traditionally called ''Dialectica''. Valla claimed that it was the appropriate Latin equivalent of the Greek ''dilemmaton''. Nuchelmans argued that his probable source was a logic text of of George of Trebizond. He also concluded that Valla had reintroduced to the Latin West a type of argument that had fallen into disuse. Valla's neologism did not immediately take hold, preference being given to the established Latin term ''complexio'', used by Cicero, with ''conversio'' applied to the upsetting of dilemmatic reasoning. With the support of Juan Luis Vives, how ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evaporating Cloud - Overview
Evaporation is a type of vaporization that occurs on the Interface (chemistry), surface of a liquid as it changes into the gas phase. A high concentration of the evaporating substance in the surrounding gas significantly slows down evaporation, such as when humidity affects rate of evaporation of water. When the molecules of the liquid collide, they transfer energy to each other based on how they collide. When a molecule near the surface absorbs enough energy to overcome the vapor pressure, it will escape and enter the surrounding air as a gas. When evaporation occurs, the energy removed from the vaporized liquid will reduce the temperature of the liquid, resulting in evaporative cooling. On average, only a fraction of the molecules in a liquid have enough heat energy to escape from the liquid. The evaporation will continue until an equilibrium is reached when the evaporation of the liquid is equal to its condensation. In an enclosed environment, a liquid will evaporate unt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richard Bach
Richard David Bach (born June 23, 1936) is an American writer. He has written numerous flight-related works of fiction and non-fiction. His works include '' Jonathan Livingston Seagull'' (1970) and '' Illusions: The Adventures of a Reluctant Messiah'' (1977), both of which were among the 1970s' biggest sellers. Most of Bach's books have been semi-autobiographical, using actual or fictionalized events from his life to illustrate his philosophy. His books espouse his philosophy that our apparent physical limits and mortality are merely appearance. Bach is noted for his love of aviation and his books related to flying in a metaphorical context. He has flown as a hobby since the age of 17. In late August 2012, Bach was severely injured when on approach to landing at Friday Harbor, Washington, his aircraft clipped some power lines and crashed upside down in a field. Early life Bach was born in Oak Park, Illinois, to Roland R. and Ruth Shaw Bach. His father was an American Red Cros ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Illusions (Bach Novel)
''Illusions: The Adventures of a Reluctant Messiah'' is a novel by writer and pilot Richard Bach. First published in 1977, the story questions the reader's view of reality, proposing that what we call reality is merely an illusion we create for learning and enjoyment. ''Illusions'' was the author's follow-up to 1970's ''Jonathan Livingston Seagull''. Plot ''Illusions'' revolves around two barnstorming pilots who meet in a field in the Midwestern United States. The two main characters enter into a teacher-student relationship that explains the concept that the world that we inhabit is illusory, as well as the underlying reality behind it: Donald William Shimoda is a messiah who quits his job after deciding that people value the showbiz-like performance of miracles and want to be entertained by those miracles more than to understand the message behind them. He meets Richard, a fellow barn-storming pilot. Both are in the business of providing short rides—for a few dollars eac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Economic Production Quantity
The economic production quantity model (also known as the EPQ model) determines the quantity a company or retailer should order to minimize the total inventory costs by balancing the inventory holding cost and average fixed ordering cost. The EPQ model was developed and published by E. W. Taft, a statistical engineer working at Winchester Repeating Arms Company in New Haven, Connecticut, in 1918.Taft, E. W.The most economical production lot: Formulas for Exact and Approximate Evaluation - Handling Cost of Jigs and Interest Charges of Product Included ''Iron Age'' 101.18 (1918): pages 1410-1412, accessed 29 November 2023 This method is an extension of the economic order quantity model (also known as the EOQ model). The difference between these two methods is that the EPQ model assumes the company will produce its own quantity or the parts are going to be shipped to the company while they are being produced, therefore the orders are available or received in an incremental manner wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evaporating Cloud Example
Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. A high concentration of the evaporating substance in the surrounding gas significantly slows down evaporation, such as when humidity affects rate of evaporation of water. When the molecules of the liquid collide, they transfer energy to each other based on how they collide. When a molecule near the surface absorbs enough energy to overcome the vapor pressure, it will escape and enter the surrounding air as a gas. When evaporation occurs, the energy removed from the vaporized liquid will reduce the temperature of the liquid, resulting in evaporative cooling. On average, only a fraction of the molecules in a liquid have enough heat energy to escape from the liquid. The evaporation will continue until an equilibrium is reached when the evaporation of the liquid is equal to its condensation. In an enclosed environment, a liquid will evaporate until the surrounding air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Current Reality Tree (theory Of Constraints)
One of the thinking processes in the theory of constraints, a current reality tree (CRT) is a tool to analyze many systems or organizational problems at once. By identifying root causes common to most or all of the problems, a CRT can greatly aid focused improvement of the system. A current reality tree is a directed graph. Simplified explanation A CRT is a focusing procedure formulated by Eliyahu Goldratt, developer of the theory of constraints. This process is intended to help leaders gain understanding of cause and effect in a situation they want to improve. It treats multiple problems in a system as symptoms arising from one or a few ultimate root causes or systemic core problems. It describes, in a visual (cause-and-effect network) diagram, the main perceived symptoms (along with secondary or hidden ones that lead up to the perceived symptoms) of a problem scenario and ultimately the apparent root causes or core conflict. The benefit of building a CRT is that it identifies th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Process Decision Program Chart
Process Decision Program Chart (PDPC) is a technique designed to help prepare contingency plans. The emphasis of the PDPC is to identify the consequential impact of failure on activity plans, and create appropriate contingency plans to limit risks. Process diagrams and planning tree diagrams are extended by a couple of levels when the PDPC is applied to the bottom level tasks on those diagrams. Methodology From the bottom level of some activity box, the PDPC adds levels for: # identifying what can go wrong (failure mode or risks) # consequences of that failure (effect or consequence) # possible countermeasures (risk mitigation action plan) Similar techniques * The PDPC is similar to the failure mode and effects analysis Failure is the social concept of not meeting a desirable or intended Goal, objective, and is usually viewed as the opposite of success. The criteria for failure depends on context, and may be relative to a particular observer or belief system ... (FMEA) in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
