The principles of lean and agile Manufacturing

The principles of lean and agile Manufacturing All related literatures are reviewed in this chapter. Lean concept focuses on eliminate waste, while agile concept focuses on flexibility in supply chain. The theories that cite the topic of reducing cycle time in, which related to the lean concept. Detailed topics included in this chapter are 1. Principles of Lean Manufacturing 2. Product cycle time improvement 3. Principles of Agile Manufacturing 2.1 Principles of Lean Manufacturing Eiji Toyoda and Taiichi Ohno at the Toyota Motor Company in Japan had found the Lean production concept after World War II. Toyota Production System (TPS) is the original moving assembly line developed by Toyota Motor that make material flow continuously (Shingo, 1981; Monden, 1983; Ohno, 1988; Jones, Roos, and Womack, 1991). Henry Ford (1926) had been using parts of Lean as early as the 1920s, as prove as by the following quote: One of the most noteworthy accomplishments in keeping the price of Ford products low is the gradual shortening of the production cycle. The longer an article is in the process of manufacture and the more it is moved about, the greater is its ultimate cost In the past, the traditional business in the manufacturing industry Lean is a philosophy that is a method of inventory management and production control (Diana Coggin, 2003). Lean Manufacturing principle seeks to remove non-value-added activities from the production process. The Lean Manufacturing technology focuses on the production, quality, customer service, and profitability. It investigates the total operations system. The core of Lean Manufacturing is that can synergistic work to create a streamline, high quality system and produce the product meet the customer requirement with no waste. (Shan and Ward, 2003). Lean is a methodology that used to increase speed and reduce the cost of any process by eliminating waste. The main concept of Lean Manufacturing is that can be work together to create a streamline, high quality system and produce the product meet the customer demand with no waste (Shah and Ward, 2003). The companies can produce, develop and distribute products with half or less of the human effort, tools, time, space and overall expense by eliminating unnecessary steps, recombining labor into cross-functional teams dedicated to that activity, planning all steps in an activity in a continuous flow, and continuous attempt to improvement. They can also become more flexible and responsive to customer demands (Harvard Business School Press, 2000). The benefits of lean manufacturing is greater productivity, lower cost, shorter delivery times, improved quality and increased customer satisfaction. The objective of lean manufacturing is to deliver orders on time with shortest lead time with minimum inventory and with fewer resources. 2.1.1 Characteristics of a Leans process The principle of lean manufacturing is to eliminate waste in all the processes, there are seven types of waste: overproduction, inefficient transportation, general delays, inefficient internal materials handling, processing, inventory, defects. Lean principles can be used to improve productivity driven by workers, based on their knowledge of the work and equipment, with the goal of increasing value added work (Holly and Gaskins, 2004) The characteristics of Lean process assist to flow of process run as continuously as possible with a rapid cycle time. The precise description of each work station activity specifying cycle time, take-time, the work sequence of specific tasks, and the minimum inventory of parts on hand needed to conduct the activity (Stenzel, 2007). The characteristics of lean processes are: Make to order Single-piece production Just-In-Time materials/pull scheduling Short cycle times Quick changeover Continuous flow work cells Compressed space Multi-skilled employees High first-pass yields with major reductions in defects 2.2 Product cycle time improvement Lean manufacturing is an operational strategy oriented toward achieving the shortest possible cycle time by eliminating waste. Cycle time reduction is identifying and implementing more efficient ways to do things. Reducing cycle time requires eliminating or reducing non-value-added activities. The technique often decreases the time between a customer order and shipment, and it is designed to radically improve profitability, customer satisfaction, throughput time, and employee morale. ( Michael and Kentaro, 1998) Cycle time reduction is an important access in the tool chest of performance improvement methods. Cycle time reduction focuses on the opportunity to the time to complete the many process in the company. Cycle time is identifiable for a business process or the company, specific activity. Total cycle time is the sum of the cycle time of all activities in all the process of the company. It is important to understand the four components of the activities cycle time. Components of cycle time: wait, move, delay, process. Wait is the time an item that waiting to be moved to the next activity. Move time is the time during which the item moved from the last activity to the next. Delay or set up time is the time from when the item is ready to be processed at the next operation, until the work actually starts. Process Time is the time it takes to complete the work once it has begun. The component of the cycle time decision elements: a. Processing time: timing that the thing is being worked on by an operation. To studying this matter seriously by using tool; a stopwatch from camera following unit being processed by one operator all the way through the process (or sub-process). Processing Time = Manual Work + Walking + Waiting b. Waiting time: timing between sub-process that the thing gets shuffled around or sits around waiting for someone to work on it. As well as knowing Waiting Transportation Time or Inventory/Transpiration Time. In this case have effect from waiting time in each work station and wait time of part of car model. c. Change overtime; the amount of time takes to change over the making or program from the end to previous step to the current step. If you have to takes always will effect with total cycle time. d. Since a batch size of one has been unpracticed the goal is in improve productivity periodically. The ultimately reduces inventory carry costs, work in progress, and cycle time. Also this enabling the company operates profitably at lower margins. 2.3 Principles of Agile Manufacturing The Agile Manufacturing was presented in the first time at the publication in the USA of a report entitled 21st Century Manufacturing Enterprise Strategy (Barutcu, 2007). So, it has been introduced as a method of increasing competitive advantage in response to increasingly competitive global markets. Agile concept focuses on the fast response to changeable of customer demand (Mason-Jones, Naylor, Towill, 2000). The key component in agile manufacturing is flexibility (Nagel and Dove, 1991; Goldman, Nagel, Preiss, 1995). The agile manufacturing methods can be adjusted and consolidated into companies of any size to ensure the growth and success. The changeable of customer and technological requirements that make the manufacturers develop agile supply chain capabilities in order to be competitive (Barutcu, 2007). So, many companies use the flexibility and agility to respond the customers requirement and markets demand in real time (Mason-Jones et al., 2000; Yusuf et al., 2004). The new concept of agility manufacturing need to secure competitive advantage from the production process that can be both efficient and responsive (Davis, 1987; Pine, 1993). Agility can be defined as the ability of an organization to succeed in a constantly changing, and unpredictable business environment (Iaccoca Institute, 1991). The agility has four basic principles that to improve customer interaction by providing added value in order to satisfy customers needs (Nagel, 1993). The lead time to satisfy customer demands is important for both lean and agile. High product quality levels are also important for both lean and agile (Childerhouse Towill, 2000). In the case of lean, minimal lead times are required because time is waste and should be removed if possible. In the other hand, in the case of agile, minimal lead times are required to be able to respond volatile customer demand as quickly as possible (Towill, 1996). So, the concept of lean can be used to eliminate waste, when demand is smooth by planning to maximize profit by the way of reducing the physical cost (Womack Jones, 1996). And the concept of agile, the main point is the extreme of volatile market demand (Christopher, 2000). The lean concept try to offer the good quality products at lower price by removing inventory and waste from the process, in the other hand, agile concept try to serve as quickly as possible to the customer requirements and specifications (Maskell, 2001). Naylor et al., (1999) stated that both lean and agile paradigms in relation to supply chain strategies: Agility means using market knowledge and a virtual corporation to exploit profitable opportunities in a volatile marketplace. Leanness means developing a value stream to eliminate all waste, including time, and to enable a level schedule. To understand the evolution of these paradigms, a brief history of industrial production processes need to be described. There have been three major phases or paradigm shifts of industrial production in the modern world (Smith, 1992; Womack et al., 1991). These phases are as follows: 1. Craft production. This phase is in which craftsmen contracted and completed individual projects on a job-by-job basis. Customer requests were typically for unique products, which varied to some extent from a previously manufactured item. 2. Mass production. This phase is largely associated with the coming of age of Henry Fords mass production assembly line this was the time in which cookie-cutter products were rolled off the end of the line at breakneck speeds. Product variety was minimal at the beginning of this phase and increased somewhat as time progressed. 3. Lean/JIT production. This is a phase which only recently has been recognized as a viable production alternative. Lean/Just-in-time (JIT) manufacturing attempts to use the advantages of mass production in concert with the principles of JIT and elimination of waste in order to minimize the total cost of producing a product. All related literatures are reviewed in this chapter. The researcher has discussed relevant concepts in the production process in make-to-order manufacturing. Lean focuses on eliminate waste whereas agile focuses on flexibility in supply chain.

Report of Media Deception on children’s Education Essay

With a new technology develops and advances, the debate about their negative impact on society also increases simultaneously. Media has been changed rapidly in last few decades. Today, everyone can see the impact of media in everyone’s life be it home or outside. The role of the media has been changed and because of progress of media the world has become global village. However, the negative side of media, especially its negative influence on children’s education through Television, Internet, and Video games can not be ignored. Discussion According to a study â€Å"American Kids now spend 40% less time with their parents than kids did in the mid-sixties. † They spend more time in watching TV, surfing internet and playing video games. The reason is not just TV and internet. The complexities of life, family size and traditional values, priorities and lifestyle have changed. â€Å"Our kids are living in an entirely different, much more complex media environment than we ever could have imagined at their age. The rule and the risks have changed radically, and many of us have been slow to grasp the difference. † Points out Steyer (2002), the Founder and Chairman of the media production firm JP Kids. American Academy of Pediatrics (AAP) strongly suggest that kids under two years old should not watch any TV and that those older than two should not watch more than an hour or two and that too quality programs The Initial days of childhood are very crucial for brain development of a child. In that period, a child wants to interact with his parents and play with his toys. A child can learn many things through his interaction with parents and physical activities. Physical activities are very necessary to make a child healthy. Interaction with family members and physical activities are always very important for everyone’s lives at any stage of our life. We can be mentally and physically fit by doing both of the above written activities. Gradually a child gets older, watching TV and using other electronic media will get part of his routine. Too much involvement with any mode of media can be disturbed his normal life and growth. Child would not be able to do his normal routine activities like playing outdoor games with his friends, reading, doing homework etc. even a child will not be interested in spending time with his family members. Research says that those children, who spend more time with TV, get violent and get suspicious about the world and people around. Their confidence level decreased and they imagine that something bad will happen to them. The consequence of involvement of children with media are coming gradually, children of today are more violent as compare to past. Shows and games related to crime are becoming very popular among children. Media violence is very harmful for the growing mind and has negative psychological implications. There is an on going debate on the mass-marketing of such games. Media is selling women as an object, it creates enormous impact on teenagers’ mind and they become sexually violent. Video games with violence and sexually explicit presentations are harmful for the mental growth of the child. According to an article of Kids Health, â€Å"The average American child will witness 200, 000 violent acts on television by age 18. † By seeing violent acts on TV, they get emotionless and gradually they become violent. TV makes children curious about women, sex etc. and internet provides them depth information on the same topic. The provided information makes the situation worst. TV violence, most of the times done by the HEROES, so children take violence as the act of heroism. At the various occasion young kids believed that the TV violence is real and frightened by scary and brutal images. They can not distinguish between real and reel images, as consequence, they can have behaviour problems, nightmare, sleeping disorders, be wetting and other. Older kids can also be affected by horrible programs; parents should not allow for watching those programs. Parental guidance is needed for any violent or mature subject programs. TV is a full of programs and commercials that show risking human behaviour as fun that can include petty crimes to heinous crimes like rape and murder. TV commercial shows children to their ideals (Heroes) are smoking, drinking alcohol on the screen and they try to follow their role models. They can lead to drinking, smoking, drugs or substance abuse after the motivation from screen. Studies have shown that TV programs also motivate children to participate in sexual activities too early. The other drawback of spending time with media is on children is, who watch TV more than four hours more likely to be overweight. Overweight Child becomes public shy and loses their confidence as compare to normal child. Obese child will trap in inferiority complex after that he can not able to do good in academics and the other activities. May be that child will get addicted to take alcohol because of his inferiority complex. The health complexity and risk for obese children are higher. Many psychologists agree on the bad effect of over exposure of media on children, but still there has been an on-going debate whether or not television influences a child’s behavior. Parents have no doubt about the impact of media on their child but they never imagined that how much it can be influence a child until they will not faced the crime done by their child. There is important evidence on link between repeated exposure to media violence and behavioral effect said Dr. Susan Villani (1999). â€Å"A total of 25 Pershing Elementary School students in the before and after school program, participated in this study. They were observed prior, during, and post a Tom & Jerry video clip. After observing their behaviors post the video clip, each child was asked two questions based on their everyday television watching habits. It was found that television does influence a child’s behavior. Although, the results indicate that there wasn’t a significant difference between the pre-video and during-video behaviors. Further implications and limitations of these results are to be found in the paper† Mowers (2003) find out. Media can be very helpful for getting new information, instead of blaming media if parents will make some rules and stick on that, media would be helpful for their children’s growth. Steyer (2002) makes a list of top10 tips for parents. According to Steyer (2002) this is responsibility of parents to limit the exposure of kids to the media and particularly to the negative exposure. Negative exposure should be completely controlled. One can help our the process and understanding of media message among their children Steyer’s (2002) top 10 tips for parents are as follow: Establish good media habits early: Parents should choose, which program child will watch and parents should give accompany to the child while he is watching TV. 2. Location, Location, Location: Location of the TV and Computer is very important. Parents should not install TV or computer in child room. In the past time a computer covered huge area and was visible to everyone but with advancement of technology, size of computer has reduced. Parents can not see what their child is surfing on internet. So location of TV and Computer does matter, if parents want to keep eye on their kids. Set a media diet and stick to it: As a parent, you should make a routine for your kids that how much time they would devote for TV, Internet and video games. And parent should be stick on that. Sometime we give liberty to our child but it is not good for long term. 4. Teach your child to ask permission to use media: Parents should teach to their child to ask before they use internet or watch TV programs. This rule will make a difference. 5. Watch and listen with your kids – then tell them what you like, don’t like, and why: First of all listening to the child is the most important thing for a parent. Listen to the child first; what he wants to say after that parent can instruct him what he wants from his child. Parent should explain to his child that why he has given this instruction. 6. Set clear rules regarding your child’s media use in other homes: Parents should make the clear rule on use of media out of home. Try to not to give permission to use the media out of home, if your child is using for some important reasons like combined study, then supervise your child or make a surprise visit at the place. Have pediatricians review your kids’ media use as part of their annual checkup: Get pediatricians review on your kids’ media use; lets take the action, if pediatricians suggest something serious like vision problem. 8. Teach media literacy in school and at home: Parents should teach their kids about what is happening in around in the world. Parents should not feel shy to educate their children about sex education, because your child will know from the other sources and may be in the negative sense. You can teach your child in a very positive manner. So lets start to talk to your child on every topic, it would boost up your child’s confidence as well as your relationship with him. 9. Read to your child and share positive media experiences. Share the positive media experiences with your child like what you have learnt from internet or TV when you were child. It will divert your child’s mind to learn something positive and creative from the modes of media. 10. Switch the dial to â€Å"OFF. â€Å": When you have spare time, talk to your child instead of watching TV or surfing internet. Conclusion TV and internet are the good things to new thing but over exposure is bad. We can control our TV â€Å"You can easily control habit of TV watching of your child† according to the national PTA, medical experts and child development experts, I to help your family to become â€Å"Media Literate† and also positive media a new â€Å"Children’s digital media culture† is gradually improving on internet. Through some web site children can get important information which would be helpful for their education. Many NGOs are making effort to make media helpful for children ‘Montgomery (2000) concluded in his article. Media has provided us an excellent platform that can support the child development like anything. Children can learn and have fun over the same. This requires proper parental guidance, support and control over the media usage among the children. Reference: â€Å"CIC And PTA partnership†, Control Your TV Its Easy! Retrieved on 14 May 2010 from http://www. controlyourtv. org/#Education. aspx Kids Health, How TV Affects Your Child retrieved on 14 May 2010 from http://kidshealth. org/parent/positive/family/tv_affects_child. html# â€Å"Montgomery K. C†, 2000. , Children’s Media Culture in the New Millennium: Mapping the Digital Landscape. retrieved on 14 May 2010 from < http://www. jstor. org/pss/1602693> â€Å"Mowers M. M. †, 2003. , Does Media Influence A Child’s Behavior? Retrieved on 14 May 2010 from http://clearinghouse. missouriwestern. edu/manuscripts/402. php â€Å"Stayer P. J. †, 2002. , The Other Parent: The Inside Story of the Media’s Effects on Our Children. Retrieved on 14 May 2010 from < http://www. amazon. com/Other-Parent-Inside-Medias-Children/dp/0743405838#reader_0743405838>

Discrimination In Employment Essay

Two separate statutes specifically pertain to discrimination in employment. The first is the Equal Pay Act, which was passed in 1963 (effective date was June 10, 1964). The second is Title VII of the Civil Rights Act of 1964. While the Equal Pay Act deals solely with wages paid to women and men within the same company, Title VII focuses on discriminatory hiring/firing practices and advancement policies within companies (Crouch, 2001, p.37-38). Neither is specific to the issue of sex discrimination; however, they both encompass discrimination on the basis of race, religion, or national origin. Both of these statutes have been applied to interscholastic and intercollegiate athletics, primarily in suits brought by female coaches claiming sex discrimination.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Title VII was enacted as a comprehensive prohibition on private acts of employment discrimination. It forbids discriminatory employment practices based on the race, color, religion, sex, or national origin of the applicant. These categories may, however, be used to differentiate between applicants when sex, religion, or national origin is a bona fide occupational qualification (BFOQ). A BFOQ is very narrowly defined as an actual job requirement, not merely a customer or employer preference. For example, race is never considered a BFOQ (Crouch, 2001, 38-40).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Title VII also contains a â€Å"nonretaliation† provision which prohibits all employers defined in the act from discriminating against any employee or job applicant who has invoked his or her rights under Title VII or who has assisted with or participated in any proceeding brought by someone else (Gregory, 2003, p. 28).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   In the analysis of the courts, the alleged sex discrimination action need not only be based upon a consideration of an unalterable characteristic (like gender) possessed by the discriminatee but which is not possessed by the discriminator (Minchin, 2001, p. 50). Thus, not only are acts such as terminating female employees when they marry or refusing to accept employment applications from any female actionable, but also acts taken by a member of one sex against a member of the same sex can be actionable. A demand for sexual favors directed by one male to another as a condition of employment can be just as discriminatory as a similar demand directed by a male to a female.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Title VII is applicable to all employers of more than fifteen persons, and it specifically covers almost all state and local government employees as well as employees of most educational institutions. It is enforced by the EEOC, which has the authority to process and investigate any complaints. The EEOC may also bring suits in federal court if necessary. A charge brought by the EEOC is based on what the EEOC perceives to be a pattern or practice of unlawful discrimination which adversely affects an entire class of individuals. The EEOC may also conduct industrywide compliance reviews. If the discrimination found by the EEOC in state or local government cannot be corrected informally, the EEOC may refer the matter to the U.S. Attorney General. In all other cases, the EEOC may go to federal court to enforce the law (Gregory, 2003, p.28-29). Enforcement of Title VII is not limited to EEOC actions, however, because the legislation also has individual and class causes of action. This type of charge originates from an individual or group of individuals who allege that they were adversely affected by some act of unlawful discrimination (Gregory, 2003, p. 29).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Organizations can bring discrimination claims on behalf of their members if the alleged discriminatory action injured its members, if the claim can proceed without the participation of those injured members, and if the claim is relevant to the organization’s purposes. The requirements for filing a charge include the following: The person filing the charge must be or represent an aggrieved person (must have a personal stake in the outcome of the controversy and must have suffered a personal injury), except in cases in which the charge is filed by the EEOC itself. The charge must be directed against an â€Å"employer† as defined by Title VII. The charge must be filed within the specified time limits. The form of the charge must comply with certain procedural requirements (Saguy, 2003).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Once these requirements are met, the EEOC will proceed with the charge. The remedies of both injunctive and affirmative relief are available to the winning party in an employment discrimination suit. The prevailing party may be awarded back pay and attorney’s fees as well as an injunction prohibiting the employer’s unlawful action. In addition, the court may order the employer to cease its discriminatory practices, to reinstate employees, and to implement an appropriate affirmative action plan to eliminate existing discrimination and prevent its recurrence. These remedies are guided by the two goals of the act: (1) to achieve equality of employment opportunity by removing barriers based on race, color, religion, sex, or national origin, and (2) to make the victim of unlawful discrimination whole–to put the victim in the position he or she would have been in had the discrimination not occurred.Both of these approaches have limitations. Even taken together, they are not sufficient to enforce a prohibition against sex discrimination(Saguy, 2003).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Although the Equal Pay Act applies to all employers, Title VII has been limited to employers of more than fifteen people. Thus, many smaller businesses are not subject to the mandates of Title VII. The Equal Pay Act is limited in other ways. For example, it is directed only to discrepancies in pay levels once on a job. It does not address the problem of discriminatory hiring or advancement policies. The basic weakness of these acts is that neither is all-encompassing. They fail to address the overall problems of sex discrimination that exist outside of the workplace (Saguy, 2003). Thus, very few of the problems of discrimination encountered in athletics are addressed by either act. This legislation provides potential relief only in athletic employment.Another major problem in pursuing litigation under these statutes is the cost.   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Neither statute provides any guaranteed basis for the eventual recovery of attorney’s fees and/or double or triple damages. Thus, litigation is not an option for many of those who might wish to file claims. Cases are seldom pursued, and the effectiveness of the legislation diminishes as the chance that an employer will be punished lessens. One last problem is that courts have been reluctant to interpret the statutes broadly. This reluctance stems from the fact that hiring and salary decisions are well within the area of management prerogatives allotted to employers. The court is reluctant to interfere in any discretionary decision unless there has been a clear abuse of that discretion. Thus, it is very difficult to establish a case based on a complaint regarding practices in either of these areas. Usually, the evidence is open to a variety of interpretations. Such circumstances can make it difficult or even impossible for a plaintiff to prevail in a sex discrimination case under application of the aforementioned statutes. References Crouch, Margaret A. (2001).   Thinking about Sexual Harassment: A Guide for the   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Perplexed. Oxford University Press. Gregory, Raymond F. (2003). Women and Workplace Discrimination: Overcoming   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Barriers to Gender Equality. Rutgers University Press. Minchin, Timothy J. (2001). The Color of Work: The Struggle for Civil Rights in the   Ã‚  Ã‚   Southern Paper Industry, 1945-1980. University of North Carolina Press. Saguy, Abigail C. (2003). What Is Sexual Harassment? From Capitol Hill to the Sorbonne.University of California Press   

General Psychological Reactions Of Human Mortality

Human mortality is quite often an arduous reminder that there is a limited amount of time in which we get to live. I know this fact all too well as I have personally lost a number of close family members. Before reaching adulthood, I had lost my paternal grandmother, three maternal great-grandparents, paternal step-grandfather, two paternal great-aunts, and a paternal great uncle. In general, people are living for as long as they ever have thanks in part to a number of advancements in modern medicine. Fortunately, all of my aforementioned family members lived long, full, and happy lives. Still, my childhood was consistently met with loss and, because of this, both figuratively and quite literally played a role in shaping me as a person. For example, my middle name, Donald, stems from the memory of my paternal grandfather who I was never fortunate enough to meet. 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