Because of the huge opportunities for product development in the green energy market, the current economic environment has changed the design prospects of wireless developers. For wireless designers who are considering using low-cost RF system industry standard protocol stacks such as ZigBee®, 6LoWPAN, ISA SP100.11a, and Wireless HART (WHART) in their green designs, the new economic environment proposes many industry standards Feasibility related issues. As the demand for green technologies continues to grow, interoperability will become the key to large-scale market deployment of wireless technologies.
Case Study Energy
In-Stat (http: //) predicts that automatic meter reading (AMR) and smart energy will become the main applications of 802.15.4 and ZigBee wireless sensor networks.
The demand for short-range wireless energy monitoring and control devices has exploded in the past few decades; however, a large number of new systems have been designed with proprietary codes, thus completely blocking the path to interoperability. Thanks to the efforts of some visionaries (such as Eric Gunther, chairman and chief technology officer of Enernex), and the Obama administration ’s commitment to advancing energy independence in the United States, industry participants are working together to promote the common goal of energy conservation. The Electric Power Research Institute (EPRI) recently signed a contract with the National Institute of Standards and Technology (NIST) to develop a blueprint for an electrical energy "smart grid" architecture and initial key standards. In a report titled "Planning and Implementing a Smart Grid in California, USA", Eric highlighted some of the main reasons why we should consider using industry standards:
• Consistent consensus on almost complete solution standards • Avoid reinventing automotive wheels • Learn industry best practices • Reduce integration costs • Prevent monopoly by a single manufacturer • Share a huge market with major manufacturers
Industry standards do not stifle innovation; the purpose of developing these standards is to speed up the design process and put solutions on the market for rapid implementation. Industry standards build an innovation culture that drives companies to innovation faster, rather than allowing some companies to produce proprietary coding layers that only benefit their designated companies and markets.
Help from various alliances
Zigbee Alliance Case Study
On April 27, 2009, the Zigbee Alliance announced that it will integrate the global IT standards of the Internet Engineering Working Group (IETF). Using IT standards, products that have been developed using the mature Zigbee smart energy public application solution can be used to further promote the rapid growth of home area network (HAN) applications developed for the US smart grid. General use products based on the same IT standards, the meter can use many devices to monitor critical energy consumption, these devices include load control sensors, temperature sensors, outdoor lighting sensors, and refrigerators, heating, ventilation and air conditioning systems (HVAC), pumps and lighting The current monitor of the system, etc. The low-cost energy display unit will allow users to monitor such activities or leave it to machine-to-machine (M2M) devices to get rid of demand during critical peak times. For example, non-critical tasks such as washing machines and dryers can be run at night, and the cost of electricity costs is reduced from $ 0.35 kWh to $ 0.07 kWh. Due to the safety and responsibilities of the owners, we turned on the lights of the airport, the garage of the city ’s skyscrapers, and the remote parking lot of the large shopping mall all night long, and now is the time to change this concept. If we use some intelligent motion detection sensors and timers that use public protocols (for example: 6LoWPAN, Zigbee, SP100, WHART network, etc.), the lights will only light up when someone appears, what will happen?
Like other semiconductor companies focused on the green energy market, TI is committed to using the most extensive protocol stack to solve user problems. Like other early designers of ZigBee Alliance member companies, TI saw the need for a simple way to reduce the cost of installing lighting systems for contractors. By joining forces with other third-party consulting agencies and commercial building automation companies to establish technical working groups, the Zigbee Alliance eliminates the idea of ​​separate teams, and software developers no longer develop proprietary software that does not communicate with any other devices. Interoperability is the key to large-scale market deployment of wireless technology. Another advantage is that industry-standard wireless systems save contractors installation costs. For a typical wired office security system installation, more than 50% of the installation cost is over-the-wall wiring: the ROI of a typical wireless equipment office installation is offset by a portion of the wired installation cost. In a wired environment, it also costs money to change the sensor position. We all know the problem of upgrading deployed products through software upgrades. The Zigbee Alliance has spent a lot of time developing network software that integrates feature sets such as wireless downloads (OAD). OAD allows the on-site installation of end products such as smart energy meters and remote updates using operating instructions, so that some new software features can be installed remotely, without the need for the contractor to drive to the meter site to update these feature sets.
In 2010, the feature set of standard protocols will be integrated into more and more terminal devices. At the same time, the joint efforts of NIST, EPRI and IETF will help major companies bring products to market faster, and these products have More features and higher interoperability than ever before. Just as the space competition brings some simple products (such as Teflon and transistor radios) to ordinary households, integrated sensor technology will bring consumer and industrial solutions to the market, thereby reducing energy consumption in the next decade.
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