Tuesday, May 3, 2016

IOT, Sensors, & Street Lights


India is a huge energy consumption country. Already, it is in energy deficit. In the coming years, its need for power is going to be exponential. If energy consumption is treated as one of the parameters to judge whether a country is developing, then one needs to consider that India is growing. But, is really India growing? Or going to become at least a lion or tiger of the Asian economies? The answer is a reverberating NO. Just because some country is consuming more power does not mean it is growing in a positive way. May be it is wasting precious power with its unsophisticated implementation methodologies and due to that reason; it is in thirst of more power! When it comes to India, power wastage is one of the prime reasons why it needs more power in the coming years; just to run the same old electric equipment.

Power wastage happens in so many ways; for example, a metropolitan city authority lits its streets daily 12 hours during the evening time. The street lights get switched ON by approximately 6 pm and run for the next 12 hours uninterruptedly. However, public uses this artificial lightning for the first 6 hours only. Since public spends time the next 6 hours sleeping in their respective houses, the streets are empty but the lights continuously glow in turn wasting lot of energy. So, how can countries like India can save power and use it judiciously even in situations like this?

Smart power handling by using sensors and implementation of IOT is the answer for this kind of situation. With IOT, you can connect all the street lights to a central hub. This helps to monitor and track all the street lights 24/7; including their brightness levels. Now, to know when to lit street lights automatically, weather and sound capturing sensors help you. For example, if suddenly the sunny weather turns cloudy, immediately, the weather sensor identifies the change and sends a signal to light up the impacted area street lights.

People switch off lights every night in their homes. Why not governments apply the same logic to street lights? When no one is there, they can switch off the light. And they can ON the light only when there is some movement. But, how the street light knows whether there are people on the street at any point of time? In this scenario, sound capturing sensors come into picture. These sensors capture sounds that are beyond a certain decibel. And based on that cue, they send signal to the street light to switch ON. If they won’t listen any sound for a certain period of time (based on configuration!), then they send switch off signal to the street light. This way, India can save huge energy. Whatever energy deficit is there right now, by saving that India can fill the deficit up to a certain significant percentage.

The buzzing word right now across geographies is ‘smart cities’. First world countries are already implementing these techniques and are leveraging lot of potential from their existing resources.

Why not we?  

Tesla – Cleaning Pollution Environments




Tesla’s particulate filters are so good, not only do they clean up the air inside the car; they make the world outside the car cleaner, too. It may not be obvious why this matters: The company is aiming squarely at a very specific type of customer, which may be the company’s way into markets like China and India.

Tesla’s Bioweapon Defense mode is able to scrub a near-lethal dose of pollution down to untraceable in a matter of minutes.

China is spending a staggering 6.5 percent of the country’s GDP is being spent on pollution-related costs.

13 of the 20 slots in the top most-polluted cities in the world are in India.

Monday, May 2, 2016

Why Roof-top Solar Power Blocked in US states?

Credit: The Center for Biological Diversity
According to a recent report from the Center for Biological Diversity, the blocking is due to poor non-existent policies of US states.
The report found that, of the 10 high-solar-potential states, seven are lacking mandatory renewable portfolio standards (RPS), while the three states with mandatory RPSs in place — Michigan, Texas and Wisconsin — have already met their low targets and have not taken steps to update their policies. In addition, the report said that Alabama, Tennessee and Texas have no mandatory net metering policy in place.
Texas, which stands in second place in rooftop solar potential behind California, is in 12th place in installed capacity, the report said, adding that the state’s legislature and regulators have consistently blocked progress on distributed solar policy for the last decade. 

Thursday, April 28, 2016

CAR SENSORS... CONCERNS



Major concerns remain about sensor guidance for autonomous vehicles. The first most significant is all-weather capability. Walter noted in his presentation that sensors still rely on dry conditions and have not mastered reading roads in poor weather conditions such as heavy snow.

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HOW TO MANIPULATE EDGERANK?


EdgeRank is the algorithm Facebook uses to determine where your post shows up in the newsfeed and how long it stays there. There are three main components that you should know about:
Affinity: By measuring how connected you are with the user or brand, Facebook delivers relevant content based on your ongoing relationship including any relationship your friends have with a certain page.
Weight: Facebook considers posts with photos or videos more valuable than posts with plain text or links. This type of visual content will rank higher in the newsfeed. Facebook also takes into account the level of interaction a particular post receives so the more people engage with your post, the more you can increase overall reach.
Decay: Social media is all about finding the latest and most relevant information as it happens and Facebook is no different. You will notice that most of your post engagement happens just minutes after publishing. Content quickly loses value as time passes to avoid irrelevant posts showing up in your feed.
Now that you know what EdgeRank is, manipulate your content to encourage engagement and spike interest in your Facebook community.
This means adding photos to your posts whenever possible. If you are posting about your latest blog article, add the featured image to your Facebook post and include a link in the message.
If you’re super fancy, you can add text to your image using Photoshop or even Paint so that your fans will know right away what your post is about.