sms (speed monitoring system)
DESCRIPTION
SMS (Speed Monitoring System). Societal Problem. People tend not to pay attention to the speed they are driving, particularly when they have to slow down for school zones Speeding in school zones causes too many pedestrian injuries and/or fatalities. A Serious Problem?. Largest number: - PowerPoint PPT PresentationTRANSCRIPT
SMS (Speed Monitoring System)SMS (Speed Monitoring System)
Collin Smythe
Paul Rice
Laura Deaner
Alex Cancado
Presenters:
C.L. Murphy
Rob Floodeen
Societal ProblemSocietal Problem
People tend not to pay attention to the speed they are driving, particularly when they have to slow down for school zones
Speeding in school zones causes too many pedestrian injuries and/or fatalities
People tend not to pay attention to the speed they are driving, particularly when they have to slow down for school zones
Speeding in school zones causes too many pedestrian injuries and/or fatalities
A Serious Problem?A Serious Problem?
Largest number: collisions involving kids (ages 5 to 19) between 3 and 4 pm(State of Washington, 1990 – 1995)
A Serious Problem?A Serious Problem?
Motor vehicle crashes - #1 cause of death for children ages 5 to 18 in the U.S.
1996 – 758 children (ages 5 to 17) were injured and 11 killed in school zones in Washington
1998 – 66% of the total pedestrian fatalities in the U.S. were under the age of 20
Motor vehicle crashes - #1 cause of death for children ages 5 to 18 in the U.S.
1996 – 758 children (ages 5 to 17) were injured and 11 killed in school zones in Washington
1998 – 66% of the total pedestrian fatalities in the U.S. were under the age of 20
Proposed SolutionProposed Solution
Provide an inexpensive, portable system that
will increase driver awareness of speeding
in school zones and other critical areas
Provide an inexpensive, portable system that
will increase driver awareness of speeding
in school zones and other critical areas
Major ObjectivesMajor Objectives
Reduce the number of accidents in school zones
Increase compliance to speed limit without ticketing
Increase awareness of speeding in areas with many pedestrians
Provide an inexpensive but reliable means of safety
Reduce the number of accidents in school zones
Increase compliance to speed limit without ticketing
Increase awareness of speeding in areas with many pedestrians
Provide an inexpensive but reliable means of safety
How SMS WorksHow SMS Works
Cars pass over tubes onthe road – the tubes sendsignals back to a processingbox
The box outputs to a roadsign, similar to this one –the sign displays speed
SMS Design AdvantagesSMS Design Advantages
Less maintenance than radarWorks in the rain
No calibration required
Speed readings are more reliable than radar
Cancer-free system
Less maintenance than radarWorks in the rain
No calibration required
Speed readings are more reliable than radar
Cancer-free system
Major Functional ComponentsMajor Functional Components
• Softwareo 2 drivers (for 2 interfaces)o Processing module
• Documentation (reference manual)
• Sensor cableso 2 road tubes for each lane of traffic
• Processing boxo 1 serial port (for sign interface)o 4 air-switches (for tube interface)o 1 easily accessible user interface
• Keypad• LCD display
• Road display sign
How Processing Box WorksHow Processing Box Works
Captures the air pulses from the tubes
Calculates the car’s speed
Calculates the display time for that speed
Sends the output to the display sign
• Translates those pulses into digital signals
Processing Box SpecsProcessing Box Specs
Operating Temperature: -30C to +70C
Charging: Sealed rechargeable gel cell, lasts 10 hours
Communications: Serial port, 2400-115K baud
Clock: Real time clock w/ lithium battery backup
Internal Memory: 22K RAM (standard)
Processing Box CaseProcessing Box Case
12-button keypad
4 x 16 alpha-numeric LCD
Lockable sheet metal housing
Material: Aluminum, painted – durable sheet metal housingDimensions: 7.8"L x 8.2"W x 5.2"HWeight: 9.5 lbs, with battery
Display SignDisplay Sign
ATV Speed Display Sign, from Decatur Electronics:
• 2 10-inch-tall mechanical digits
• Flip-up “YOUR SPEED” sign
Other (Possible) Display SignsOther (Possible) Display Signs
Any sign with a serial port interfacecan be used – only a new devicedriver would be required
This is an exampleof a trailer hitch thatwe plan on using
Larger signs may be needed for some areas:
Road Tubes & SwitchesRoad Tubes & Switches
• Placed on the road• Sends signal to air-switch
• Captures tube signal• Generates an electric pulse
Typical SMS LayoutTypical SMS Layout
2 systems are requiredfor 2-way traffic
Each box supports a maximum of 2 lanes
2 road tubes required for each lane
*Highest speed is displayed
Setting Up SMSSetting Up SMS
2.
3.
4.
5.
6.
1.
Is SMS Worth It?Is SMS Worth It?
By increasingdriver awareness,SMS will helpdecrease thenumber of seriousaccidents
- Why Bother? -- Why Bother? -
Safer children in school zones
After an accident, Cox High School is installingan expensive system of flashing lights inits zone ($86,000)
Required ResourcesRequired Resources
• Computers$1,200 x 3
• Set of road tubes (dependent upon number of lanes)
$50• Processing box (including CPU / board)
$525• Display sign
$1,000 - $2,500
• Computer Engineer$29,000
• Programmer$18,000
• Tester$3,200
• Technical Writer$7,920
• Marketing$20,000
Estimated SalariesEstimated Salaries
0
5,000
10,000
15,000
20,000
25,000
30,000
C.E.
Program
Tester
Marketing
Writer
C.E.ProgramTesterMarketingWriter
Estimated HoursEstimated Hours
0
100
200
300
400
500
600
C.E. Program Tester Writer
C.E.
Program
Tester
Writer
Average Total CostAverage Total Cost
0
100
200
300
400
500
600
700
$200 $500 $800
ATCW/OSmallLarge
-Projected Milestones-Hand Out
-Projected Milestones-Hand Out
Hire Staff
Software Development
Test, Test, more Tests
Finish Documentation and ship
Hire Staff
Software Development
Test, Test, more Tests
Finish Documentation and ship
Project RisksProject Risks
Road tube specification and/or sign specification might be changed
For several lanes and lots of cars, our single display sign might not be as effective as we would like
Stopping traffic to set up system might be troublesome
Road tube specification and/or sign specification might be changed
For several lanes and lots of cars, our single display sign might not be as effective as we would like
Stopping traffic to set up system might be troublesome
Possible Funding AgenciesPossible Funding Agencies
IDEA (Innovations Deserving Exploratory Analysis) Programs
Managed by the Transportation Research Board
Provide start-up funding for promising but unproven surface transportation systems
Allstate Foundation
AAA Foundation for Traffic Safety
IDEA (Innovations Deserving Exploratory Analysis) Programs
Managed by the Transportation Research Board
Provide start-up funding for promising but unproven surface transportation systems
Allstate Foundation
AAA Foundation for Traffic Safety
ReferencesReferences
Web Sites:
www.metrocount.com
www.askca.com
www.nhtsa.dot.gov
www.comfutureil.com
www.jamartech.com
Interviews:
Jim Ball, from MetroCount
Osborne Jones, from MetroCount
City of VA Beach
Santa Fe Systems
Dennis Ray