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An Insight Into the Latest MEMS Vibrational Micro Power Generation Methodology

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An Insight Into the Latest MEMS Vibrational Micro Power Generation Methodology 13

The market for wireless sensor networks is growing rapidly, but it’s still somewhat restricted by the existing batteries with short lifetimes. Introducing a virtually infinite alternate green source of power to the conventional energy sources will considerably expand WSN and other similar applications in near future, but it may still take a few years time. MEMS vibrational micro power generation is one method that has seen a drastic increase in power harvesting usage over the last couple of years, and this methodology certainly looks quite promising, to say the least.

An Insight Into the Latest MEMS Vibrational Micro Power Generation Methodology 14

Many new-fangled devices are tapping the vibrations in their surroundings to produce useful energy. Several wireless and sensor technologies present very few power requirements so that just a few microwatts or power of even lesser magnitude are adequate to measure and transmit small quantities of information to a dashboard or receiver close by.

VEH (Vibrational energy harvesting) with MEMS is tremendously helping in achieving the eventual objective of battery-free, wireless, autonomous sensing, testing, and reporting.

Of late, powering wireless networks and sensors with such vibrational power sources has been considered for industrial applications and is undergoing field testing in several applications wherein thermal or solar energy sources can’t be utilized. Few of the industries where it finds use include structural monitoring, industrial process control, roads & bridges, appliances, human power, environmental, machine monitoring, aerospace, automotive, and home automation.

Several varying MEMS VEH processes and device designs have illustrated that adequate power production is possible easily, in order to charge a battery or beam data wirelessly by mainly using piezoelectric or electrostatic techniques; electromagnetic methods are also used rarely. Usually, a moving spring is utilized to function and return maximum power at particular frequencies.

MEMS technologies and devices have assembled and changed such vibrations into useful electrical energy, provided that these vibrations occur in a narrow frequency range. But a majority of the devices operate at different speeds and feature distinct vibration profiles.

Vibrational Confrontations

The challenges faced by harvesters of vibrational energy mainly revolve around finding the ideal device that can be utilized for a particular frequency and deriving adequate power from those frequencies for sufficiently long intervals of time. The only goal of vibration harvesting is certainly finding a broad-frequency or a device whose power harvesting capability does not fall steeply near a resonant frequency, so as to keep capturing power with the change in vibrations. However, it turns out to be a costly affair to make use of an array of harvesters with each of them being tuned to different frequencies.

Innovative Solutions

The designs of MEMS VEH are improving; a recent report discussed the strategies that were publicly accessible in order to extend the vibrational frequency range of micro-range VEH, including but not limited to –

  • Tuning the system periodically with electrical or mechanical techniques, consuming power continuously or intermittently
  • Bandwidth widening by using a mechanical stopper, a generator array, bi-stable structure, or nonlinear springs.

Piezoelectric tuning along with an active powered feedback loop was adopted by the researchers at CEA-Lab for Electronics & Information Technology in France. They discovered that it could automatically tune the system to enhance the bandwidth by almost one-third of the resonant frequency, costing less than 5µ watts. The non-linear springs that were implemented could improve the vibration amplitude and frequency range.

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With such creative solutions, MEMS vibrational micropower generation devices have turned out to be a fantastic option for commercial usage, and are certainly expected to become one of the most promising technologies of the future.
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Robin Gupta is a renowned guest posting reseller who has been offering a wide range of guest posting services to online marketers. They have been taking the advantage of using his services.

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Is An MBA In Marketing Worth It?

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John Pleasants

Different degrees come with different benefits. Some come with pay increase advantages, some come with work schedule benefits, and some come with increased job opportunity benefits. When it comes to evaluating the worth of a MBA degree in marketing, the best thing a person can do is sit down and learn about its many advantages. This type of degree curriculum is designed specifically for individuals who want to be business leaders. While completing studies, students in a MBA marketing program will learn about different business theories, the hierarchy of business management, supervision techniques, and much more. For the most part, students taking part in this type of degree program will spend their time completing projects.

Increased Job Opportunities

With a MBA in marketing, a person is likely to have more job opportunities than a person who does not have the same degree. In fact, many employers within the United States require for their marketing personnel to hold such a degree.

More Money

People who have just graduated high school are not the only people who pursue a MBA degree in marketing. In fact, many people who have worked for years and years are choosing to obtain such a degree, and for good reasons. This type of degree can help a person earn more money. Some companies choose to promote employees who earn a MBA in marketing, while others will often simply increase a employee’s pay. No matter how the increase in pay occurs, obtaining a MBA in marketing is definitely worth it when it comes to making more money.

Expanded Network

When students take part in a MBA program, they often interact and complete projects with a number of other students; this helps students increase their contact lists. In addition to partnering with students to complete projects, many times, students will partner with local firms and organizations. The more people and organizations that students can get acquainted with, the better off they will be at getting a job once they have graduated. Being able to work with organizations and firms also helps students decide what atmospheres they prefer to work in.

New Fields of Study

The field of marketing is one that is always expanding. By taking part in a MBA marketing curriculum, students are able to expand their marketing knowledge, and also become acquainted with new marketing topics. Many students often find that they prefer to work within a certain area of marketing such as business branding. A MBA degree in marketing can provide students with the specialized knowledge that they need to enter into the area of marketing that they prefer being employed in. Other popular, specialized areas of marketing include mobile technology, e-commerce, digital signage, and much more.

Time-Efficient

Obtaining a MBA degree in marketing can be accomplished in a relatively small amount of time. In fact, many MBA marketing degrees can be earned in as little as 15 months once four years of undergraduate studies have been completed.

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Leslie Cannon is a marketing director who contributed to the online guide to the Top MBA Programs for Marketing.

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The 6 Worst Things About Huge Colleges And Universities

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The 6 Worst Things About Huge Colleges And Universities 20

For many people, one of the most important choices they will make during their lifetime is choosing which college to earn a degree from. Even though small and large colleges each have their advantages, larger ones most definitely have their disadvantages too. Let’s take a close look below at why it is a good idea to steer clear of studying at a large college or university.

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1) Classes are Too Large

When studying at a large college, students often find themselves in classes with hundreds of other students. This is much unlike a smaller college, where class sizes usually stay under 50 students. When in large classes, students do not get the opportunity to ask questions as they do in small classes. Also, professors of large classes rarely get to know their students because there are too many.

2) Teaching Done by TAs

Many large colleges have a variety of courses taught by TAs. TA’s are not ‘dumb’ in the knowledge they teach; however, they are often beginners and very inexperienced. Learning from TAs often means that students will not be provided an in-depth learning experience. For the amount of money paid to go to college, students should always seek to be taught by professors who have many years of experience under their belts; this can be found at most smaller colleges.

3) No Freedom in Degree Curriculums

Most larger colleges have strict degree curriculums that students must adhere to. In fact, students are almost never entitled to take courses that do not fall into a particular degree curriculum. At smaller colleges, students are provided flexibility in the courses that can take. Some even allow their students to design their own majors.

4) Little Communication with Professors

Because professors at large colleges teach hundreds of students, sometimes thousands, on a weekly basis, it becomes quite impossible to communicate with a professor on a regular basis. Some professors require that students only visit them during office hours, which sometimes is only one time a week. Waiting in line at the professor’s office can sometimes take hours. When going to school at a small college, students are better able to speak with their teachers on a consistent and frequent basis.

5) Little Coursework

Many large colleges limit the number of papers that students write and submit because professors simply do not have enough time to read through and grade hundreds of students’ papers every week. With little or no coursework, students’ final grades are almost completely derived from their grades on mid-term and final exams. On the other hand, at small colleges, students are able to sharpen their skills and improve their overall grades by turning in several papers during a semester.

6) No Personalized Attention

When attending a large college, even if a student is struggling with something, it is highly unlikely that he or she will be able to receive personalized attention from a professor. This can greatly cause a student to struggle with his or her grades. In fact, it can hurt so bad that it causes a student to be suspended or expelled. At a small college, students are able to receive one-on-one attention from instructors; thus, enabling them to obtain a deep understanding of the subjects they study.

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Todd Browning is a college professor who has written an excellent and informative guide to the top online schools and degree programs.

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The Psychological Effect Of Releasing A New Product Or Service – For Your Employees

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The Psychological Effect Of Releasing A New Product Or Service - For Your Employees 25

If you provide a service or product, then the amount your business earns will always be at the mercy of the clients you are selling to. In other words, a company’s profit will always be dictated by how much its customers are willing to pay for that product, and how valuable they believe it to be.

This means that you can’t easily just ‘up’ your profits. Unlike being an employee or an individual worker, you can’t just ask for a ‘raise’ because few people are happy to start paying more for the same service they’ve always received.

The solution of course may be to release a new product or service, and by simply re-packaging your existing offerings and promoting them well, you can start to increase your profits without drastically increasing your overheads.

But this has another benefit too – which is the psychological impact it can have on your employees. Let’s look into what such a change might mean for them…

Shaking it Up

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Imagine you have been doing the same thing day-in-day-out for years. You consider yourself pretty good at your job, and so good in fact that you could probably do it with your eyes closed. While you may indeed be very good at your job though, this will undoubtedly lead to your becoming at least a little complacent and perhaps also somewhat ‘stagnant’.

This is the state of play then when you’re suddenly told by your employer that you’re creating a new product that needs to be better than anything you’ve ever done before. This is your ‘premium’ product, and you’ve been chosen to work on it. What’s more, you’re going to be charging the clients more for it too.

Suddenly then, even if you previously thought you were working to the best of your abilities, you will undoubtedly improve and the quality of your work will continue to go up – particularly if the new work comes with a raise.

This is something that you can do over and again too – so potentially you can keep on improving the quality of your staff’s work and thus your end product.

Other Factors

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There are some other factors to consider here though. For one, you may well find that in giving your staff a new kind of product to work on, you will end up making them try even less hard when they go back to the old product. You can avoid this by giving the new product to one or two members of staff exclusively until the demand is great enough to get more of your employees to work on it. This way you will get 100% effort from those on the new product, while also giving your other employees something to work hard towards. They’ll want to get put onto the premium product, and as a result, they’ll start creating more premium-type work at the same salary.

You should also note the psychological principles at work here and understand just what it is that’s making your staff work harder. It’s not just the product or service you see that’s making them work harder – it’s the simple fact that you are challenging them and that you’re keeping their work varied thus giving them a kind of ‘refresh’ that will help them to engage more with what they’re doing. There are plenty of other ways you can do this too, whether it means simply moving your staff around the office/work site, whether it means updating the systems and tools they’re working with, or whether it means giving feedback and actively challenging your staff to keep improving.

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Jack Russel is a mechanical engineer and runs a business that deals with supplying railroad construction tools. He is a nature lover and frequently goes hiking with his friends and also takes time out of his busy schedule to share his thoughts on various blogging sites.

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