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Therblig
Therbligs are 18 kinds of elemental motions, used in the study of motion economy in the workplace. A workplace task is analyzed by recording each of the therblig units for a process, with the results used for optimization of manual labour by eliminating unneeded movements. The word ''therblig'' was the creation of Frank Bunker Gilbreth and Lillian Moller Gilbreth, American industrial psychologists who invented the field of time and motion study. It is a reversal of the name ''Gilbreth'', with 'th' transposed. The basic motion elements A basic motion element is one of a set of fundamental motions required for a worker to perform a manual operation or task. The set consists of 18 elements, each describing a standardized activity. * Transport empty nloaded(TE): receiving an object with an empty hand. (Now called "Reach".) * Grasp (G): grasping an object with the active hand. * Transport loaded (TL): moving an object using a hand motion. * Hold (H): holding an object. * Rel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Workplace
A workplace is a location where someone Work (human activity), works, for their employer or themselves, a place of employment. Such a place can range from a Small office/home office, home office to a large office building or factory. For Industrial society, industrialized societies, the workplace is one of the most important social spaces other than the home, constituting "a central concept for several entities: the worker and [their] family, the employing organization, the customers of the organization, and the society as a whole". The development of new communication technologies has led to the development of the virtual workplace and remote work. Workplace issues * Sexual harassment: Unwelcome sexual advances or conduct of a sexual nature which unreasonably interferes with the performance of a person's job or creates an intimidating, hostile, or offensive work environment. * Kiss up kick down * Toxic workplace * Workplace aggression: A specific type of aggression that occurs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Optimization (mathematics)
Mathematical optimization (alternatively spelled ''optimisation'') or mathematical programming is the selection of a best element, with regard to some criterion, from some set of available alternatives. It is generally divided into two subfields: discrete optimization and continuous optimization. Optimization problems of sorts arise in all quantitative disciplines from computer science and engineering to operations research and economics, and the development of solution methods has been of interest in mathematics for centuries. In the more general approach, an optimization problem consists of maximizing or minimizing a real function by systematically choosing input values from within an allowed set and computing the value of the function. The generalization of optimization theory and techniques to other formulations constitutes a large area of applied mathematics. More generally, optimization includes finding "best available" values of some objective function given a define ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frank Bunker Gilbreth
Frank Bunker Gilbreth (July 7, 1868 – June 14, 1924) was an American engineer, consultant, and author known as an early advocate of scientific management and a pioneer of time and motion study, and is perhaps best known as the father and central figure of ''Cheaper by the Dozen''. Both he and his wife Lillian Moller Gilbreth were industrial engineers and efficiency experts who contributed to the study of industrial engineering in fields such as motion study and human factors. Biography Early life and education Gilbreth was born in Fairfield, Maine, on July 7, 1868. He was the third child and only son of John Hiram Gilbreth and Martha Bunker Gilbreth. His mother had been a schoolteacher. His father owned a hardware store and was a stockbreeder. When Gilbreth was three and a half years old his father died suddenly from pneumonia. After his father's death his mother moved the family to Andover, Massachusetts, to find better schools for her children. The substantial estat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lillian Moller Gilbreth
Lillian Evelyn Gilbreth (; May 24, 1878 – January 2, 1972) was an American psychologist, industrial engineer, consultant, and educator who was an early pioneer in applying psychology to time-and-motion studies. She was described in the 1940s as "a genius in the art of living." Gilbreth, one of the first female engineers to earn a Ph.D., is considered to be the first industrial/organizational psychologist. She and her husband, Frank Bunker Gilbreth, were efficiency experts who contributed to the study of industrial engineering, especially in the areas of motion study and human factors. ''Cheaper by the Dozen'' (1948) and ''Belles on Their Toes'' (1950), written by two of their children (Ernestine and Frank Jr.) tell the story of their family life and describe how time-and-motion studies were applied to the organization and daily activities of their large family. Both books were later made into feature films. Early life and education Lillie Evelyn Moller was born in Oaklan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Time And Motion Study
A time and motion study (or time-motion study) is a business efficiency technique combining the Time Study work of Frederick Winslow Taylor with the Motion Study work of Frank and Lillian Gilbreth (the same couple as is best known through the biographical 1950 film and book ''Cheaper by the Dozen''). It is a major part of scientific management (Taylorism). After its first introduction, time study developed in the direction of establishing standard times, while motion study evolved into a technique for improving work methods. The two techniques became integrated and refined into a widely accepted method applicable to the improvement and upgrading of work systems. This integrated approach to work system improvement is known as methods engineering and it is applied today to industrial as well as service organizations, including banks, schools and hospitals. Time studies Time study is a direct and continuous observation of a task, using a timekeeping device (e.g., decimal minute sto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transposed
In linear algebra, the transpose of a matrix is an operator which flips a matrix over its diagonal; that is, it switches the row and column indices of the matrix by producing another matrix, often denoted by (among other notations). The transpose of a matrix was introduced in 1858 by the British mathematician Arthur Cayley. In the case of a logical matrix representing a binary relation R, the transpose corresponds to the converse relation RT. Transpose of a matrix Definition The transpose of a matrix , denoted by , , , A^, , , or , may be constructed by any one of the following methods: # Reflect over its main diagonal (which runs from top-left to bottom-right) to obtain #Write the rows of as the columns of #Write the columns of as the rows of Formally, the -th row, -th column element of is the -th row, -th column element of : :\left mathbf^\operatorname\right = \left mathbf\right. If is an matrix, then is an matrix. In the case of square matric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Therblig (English)
Therbligs are 18 kinds of elemental motions, used in the study of motion economy in the workplace. A workplace task is analyzed by recording each of the therblig units for a process, with the results used for optimization of manual labour by eliminating unneeded movements. The word ''therblig'' was the creation of Frank Bunker Gilbreth and Lillian Moller Gilbreth, American industrial psychologists who invented the field of time and motion study. It is a reversal of the name ''Gilbreth'', with 'th' transposed In linear algebra, the transpose of a matrix is an operator which flips a matrix over its diagonal; that is, it switches the row and column indices of the matrix by producing another matrix, often denoted by (among other notations). The t .... The basic motion elements A basic motion element is one of a set of fundamental motions required for a worker to perform a manual operation or task. The set consists of 18 elements, each describing a standardized activ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Frank Gilbreth, Jr
Frank or Franks may refer to: People * Frank (given name) * Frank (surname) * Franks (surname) * Franks, a medieval Germanic people * Frank, a term in the Muslim world for all western Europeans, particularly during the Crusades - see Farang Currency * Liechtenstein franc or frank, the currency of Liechtenstein since 1920 * Swiss franc or frank, the currency of Switzerland since 1850 * Westphalian frank, currency of the Kingdom of Westphalia between 1808 and 1813 * The currencies of the German-speaking cantons of Switzerland (1803–1814): ** Appenzell frank ** Argovia frank ** Basel frank ** Berne frank ** Fribourg frank ** Glarus frank ** Graubünden frank ** Luzern frank ** Schaffhausen frank ** Schwyz frank ** Solothurn frank ** St. Gallen frank ** Thurgau frank ** Unterwalden frank ** Uri frank ** Zürich frank Places * Frank, Alberta, Canada, an urban community, formerly a village * Franks, Illinois, United States, an unincorporated community * Franks, Mis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernestine Gilbreth Carey
Ernestine Moller Gilbreth, Mrs. Carey (April 5, 1908 – November 4, 2006) was an American writer. Early life and education Ernestine Moller Gilbreth was born in New York City on April 5, 1908. She was the daughter of Frank B. and Lillian (Moller) Gilbreth, early scientific management experts and early 20th-century pioneers of time and motion study and what would now be called organizational behavior. The third oldest of twelve children (eleven of whom lived to adulthood), Gilbreth grew up in Montclair, New Jersey, in an unconventional household. Frank Gilbreth suffered a fatal heart attack on the eve of Ernestine's high school graduation, which delayed Ernestine's college plans by a year, as the family's finances dictated that her mother return to work immediately, carrying on the work she and her husband did as industrial/management consultants. In 1929, Gilbreth graduated from Smith College as an English major. Career Gilbreth Carey found work as a buyer and manager ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cheaper By The Dozen
''Cheaper by the Dozen'' is a semi-autobiographical novel written by Frank Bunker Gilbreth Jr. and Ernestine Gilbreth Carey, published in 1948. The novel recounts the authors' childhood lives growing up in a household of 12 children. The bestselling book was later adapted into a feature film by Twentieth Century Fox in 1950 and followed up by the sequel, ''Belles on Their Toes'' (1950), which was adapted as a 1952 film. Plot The book tells the story of time and motion study and efficiency experts Frank Bunker Gilbreth and Lillian Moller Gilbreth, and their children as they reside in Montclair, New Jersey, for many years. Lillian Gilbreth was described in the 1940s as "a genius in the art of living". The best-selling biographical novel was composed by two of the children, who wrote about their childhoods. Gilbreth's home doubled as a sort of real-world laboratory that tested her and her husband Frank's ideas about education and efficiency. The book is more of a series of storie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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