INSTRUMENTATION • ELECTRONICS
Other factors such as traff ic densities and road changes or priorities can be added as plug ins too. As a part of a wider IoT ecosystem, smart street lights can connect with traff ic lights or surveillance cameras to share data with planners and emergency services. They can also be used to create Wi-Fi hotspots or electric vehicle charging points leading to better resource allocation.
MANAGING SMART LIGHTS Models used to operate responsive smart street lights include artifi cial intelligence techniques such as decision trees, support vector machines, and deep learning models which “adeptly capture the non-linear characteristics of traff ic patterns without needing huge amounts of high-quality data or signifi cant computational resources for training” according to one expert. Well planned city lighting can lead
to increased investment, improved wellbeing and signifi cant cost savings, but planners and designers will
Case study: London
The City of London hosts one of the world’s best know fi nance districts along with a collection of major heritage sites. While it has a daytime population of 350,000 its night- time residential population is just 9,000. Despite this, the City is still subject to many special considerations such as fi lming and public events which require additional fl exibility in lighting schedules.
The area began updating its lighting network in 2018 – this has since been upgraded to energy-effi cient LED luminaires with smart controls. The
upgrades have resulted in a 57% saving (2.9m kWh) in energy and 78% saving (2,000 tonnes) of CO2 emissions per year.
The area was able to reduce its lighting assets by 20% due to improvements in technology and uniformity of lighting eff ect.
Operators can use an
application called ‘UrbanMaster’ developed by lighting specialists DWW Windsor. This allows for granular control of brightness levels when required.
need to keep abreast of the rapidly changing technology landscape if they are to ensure their cities are future proofed for the benefi t of all. ●
For more information visit
www.silabs.com or
https://www.dwwindsor.com/
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