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Smart Outdoor Lighting System

1- Introduction 2- Outdoor Lighting 3- Power Line Communication 4- Sensors 5- Gateway 6- Software Interface

Hany Salama

on 16 October 2015

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Transcript of Smart Outdoor Lighting System

Energy Warriors Team Under supervision of
Smart Outdoor Lighting System
based on Power Line Communication

Outdoor Lighting
Why Outdoor
Wael Shalaby
Power Line
Mohamed Hamdi
Embedded System
Wael Aboelwfa
Ahmed Elmorsey
Software Interface
Sponsored by
Dr. Sherief Kishk
Energy providing crisis in Egypt

29% of the total electricity is consumed in Lighting

39% of the Lighting is consumed in Public Lighting (streets and governmental buildings).

4 billion pound per year

Public Lighting system lacks efficiency in monitoring, maintaining, and operating cost
Today's 'dumb' solution

The 'smart' solution

The 'smarter' solution
Switch off lights
Dim lights automatically
Dim and manage street lights remotely.
Reduce carbon emission
Ideal Streets Lighting Level
Present Street lighting level
Streets occupancy
Street Occupancy VS Lighting
One column consumes about 4.8 kilowatt hours per night
1 kwh = .57k co2
One column consumes about 4.8 kilowatt hours per night (1 kwh = .57k co2)
The Problem can be summarized in:
time-consumed in maintenance

Reducing operating hours

Improving maintenance practices
Can save up more than 50% of the electricity consumption.
Can save up more than 70% of the maintenance. cost.
further opportunities
is the usage of electrical networks, not only for energy transmission but also for telecommunications, to reduce the cost of constructing a separate communication network.
Main idea of the power line
Why Powerline communication?
We can use popular wireless technologies such as Zigbee, Bluetooth or RF.
However each has its limitations of cost and availability to connect multiple columns.
Advantage of PLC
Power line communication offer last mile conductivity .
Provide data rates on the order of Mbps.
Both communication and power transfer can be possible on same circuit.
low cost solution.
Reliable and fast means for communications due to their ubiquitous nature.
Operation principle of PLC
PLC systems operate by impressing a modulated carrier signal on power transmission line.
The communication device used is a modem, commonly known as Power Line Modem (PLM).
Using modulation techniques, binary data stream is keyed on to a carrier signal, amplified to suitable level of power using suitable analog front end and then coupled on to the Power line using suitable coupling circuit.
Our Power Line Module

Power line modem
Analog front end
Coupling unit
Power line modem
Power Line modem (PLM) it is the key component of a PLC system.
Generate modulated signal and transmits and receives data to and from the power lines.
In our project we use Ariane PLM-1.
Why Ariane PLM-1
A half-duplex transmitter/receiver for Powerline communications (PLC). With the following features:
Very robust narrowband FSK modulation technique.
Programmable transmission rate from 100 bauds to 20,000 bauds.
Programmable communication frequency from 50 to 500 kHz.
CSMA/CD type collision detection and resolution
Parallel and SPI interfaces.
Error detection (CRC 16)
Protocol neutrality, transports any high-level protocol packet (standard or user-defined protocols)
The key feature of the PLM-1 technology is its modulation technique which provides high noise immunity of transmitted signal.
Analog front end & coupling unit
The Analog Front End and Coupling Unit provide the interface between the PLM modem and the power lines

These circuits perform analog signal processing functions, including filtering, amplification, insulation and protection against over voltage.
We design our 1st coupling unit and analog front as shown
Coupling Circuits Design
Basic Definitions and Consideration, to ensure compatibility and to make the best use of it.
Main Alternatives
Three basic components :
Kind of lighting sources Used:
Performance issues:
Metal Halide (Decorative Areas)
(Good Color Rendering, Shorter Life)

(Poor Color Rendering, Longer Life)

(Good Color Rendering, Longer Life)
High Intensity Discharge Lamps (HPS, Metal Halide )
LED (totally different)
Efficacy = Lum/Watt
Lamp life = Hours
Color Rendering Index (CRI) = %
Color Temperature = K
Main Alternatives:
Light Source (Efficacy - LD - Service Life - CRI)
Luminaries (IP- Light Distribution)
Gears (Ballast and Ignitor)
Road and Residential Lighting Segmentation
Road lighting focus:
Residential lighting focus:
i. Needs of drivers
ii. Drivers vision of their environment
i. Vision of drivers
ii. Vision of pedestrians
Road and Residential segmented based on:
Traffic Intensity (heavy or Light)
Typical speed of main user (seeing and breaking distance)
Type of area (layout and main road dimensions)
Environmental and external influences (surrounding buildings, roundabouts, traffic infrastructure, etc.)
Existing installation or new
Second coupling unit and analog front as shown:
Stakeholders and their concerns
Government authorities
Security and safety on main roads
Respecting international standards/norms
Low running costs
Optimum initial investment
Environmental light pollution
Cities / Municipalities
Security and safety at main roads
Attractive public area
Low running cost
Optimum initial investment
Electricity supply companies
Fulfilling lighting demands as per norms
Meeting expectations of their customer
Low maintenance cost
Optimizing the power load
Traffic safety
Social security
Absence of glare
Limited Light at own façade
Eye-catching lighting element and poles/brackets
Device measures a physical quantity and converts it into a signal .
Microcontroller accepts this signal and according it controls the system.
Acoustic sensors
PIR sensors
Weather sensors:
Temperature Sensor
Smoke detector
Day light sensor
Acoustic Sensor
Transmit stage
Detect the sound of vehicle
Used with high speed vehicle
We designed it simply
Low cost
Has two slots each one of them is made of a special material that is sensitive to infrared. 
When a warm body like a human or vehicle passes by,
intercepts one half of the PIR sensor.
positive differential change between the two halves.
These change pulses are what is detected.
Operating Principles

Passive Infrared sensor
The PIR Sensor detects the Infrared Rays released by human body or vehicle.
Used with the pedestrians and low speed vehicle motion detection.
Microcontroller used in PCU and MCU rule:
Host to the PLM-1
Handle Communication protocol
Read sensors signal
Light Dimming operation (lamp control)
Receive stage
Circuit Diagram
Main loop flow chart
Project Field:
Communications (PLC)
Embedded Systems (PIC micro-controller)
Software (C#, PHP)
Project Type:
Hardware, firmware, and Software
From Scratch
Light Source (Efficacy - LD - Service Life - CRI)
Luminaries (IP- Light Distribution)
Gears (Ballast and Ignitor)
Three basic components:
PLM-1 Operation
Hany Salama
Basic Concepts
Master Slave (Interfacing with Host)
Nibble-Oriented Communication
Control codes (i/p and o/p)
Configuration parameters (Fc, baud rate, etc)
Interfacing using SPI
Communication Management
PLM-1 operation
& packet structure
Hany Salama
Basic Concepts
Master Slave (Interfacing with Host)
Nibble-Oriented Communication
Control codes (i/p and o/p)
32 Configuration parameters (Fc, baud rate, etc)
Transmission and Reception
Packet format (Control character, End of Packet nibble)
Interfacing using SPI
Transfer data and control codes
4 MHZ to 20 MHZ
Coupling unit
PLM-1 operation
Packet Structure
motion detection sensor
In our project there is two types of sensors:

Motion detection sensors.

Weather sensors.
PCU operation
Small size
Very easy installation
Detection range up to 23 feet away 
Very low cost around 9$.
Temperature sensors LM35dz
precision integrated-circuit temperature sensor,
output voltage is linearly
proportional to the Celsius
Interrupt flow chart
Circuit Diagram
MCU operation
MCU flow chart
Calibrated directly in ° Celsius (Centigrade)
Linear + 10.0 mV/°C scale factor
Rated for full −55° to +150°C range
Low cost 8 LE
Circuit Diagram
Smoke detector
Smoke sensor Module (MQ2)
used in gas leakage detecting
Fast response
High sensitivity
Stable and long life
Host to the PLM-1
RX flow chart
Day &night sensors
We design day- night sensor based on Photo-resistor (LDR)
As shown in figure.
Remote management of streetlight system.
Allow user to monitor status of streetlights to detect:
Faulty components.
Light bulbs status.
Graphical view of electrical consumption readings.
Providing alarms to user when broken lamp has to be replaced.
Additional data, such as life time of bulb since its installation.
Why C#?
C# is developed to work perfectly on the operating system Windows and Windows is mostly used in Egypt.
C# and .Net Environment make you able to program web application and also desktop application.
C# and all .NET environment language is more policy than (Java, php, …… , etc) and actually this application would be used for government work so policy is so important in our case.
Circuit Diagram
Programmer flow chart
Light Dimming
Motion Detection Circuit
Sensors connection
Weather sensor Circuit
Thank you
TX flow chart
Main parts of power line module:
For more details:

Lighting without need
Full transcript