SAFTY CONSIDERATIONS IN AUTOMOBILES USING MULTIPLE SENSORS In this miniproject an automobile systems is designed in order to address safety features for preventive measures Viz: Fuel quantity Fuel leakage Engine coolant replacement/refilling using Fluid level sensor A general sub system consist of three sensors used to safe guard two basic operations like, Fuel monitoring Engine temperature detector

1. SSAAFFTTYY CCOONNSSIIDDEERRAATTIIOONNSS IINN
AAUUTTOOMMOOBBIILLEESS UUSSIINNGG MMUULLTTIIPPLLEE
SSEENNSSOORRSS
Guided by
AJAL A J
Assistant Professor-Dept. of ECE
Universal Engineering college

2. In this miniproject an automobile systems is designed in order to
address safety features for preventive measures Viz:
 Fuel quantity
 Fuel leakage
 Engine coolant replacement/refilling using
1.Fluid level sensor
A general sub system consist of three sensors used to safe guard
two basic operations like,
• Fuel monitoring
• Engine temperature detector

3. ORGANISATION OF PROJECT
Our project was broadly classified into six phases:
1.Idea development.
2.Component identification.
3.Software identification.
4.Bread board verification of designed circuit.
5.Microcontroller study and programming.
6.PCB fabrication and soldering.

4. Micro
controller8
051
Micro
Processor
PIC16F877A

7. SOFTWARE
IMPLIMENTATION
HARDWARE
IMPLIMENTATION
Eg: used LM 35 as
Temperature sensor
Eg: used RTD as
Temperature sensor

8. • Coolant refilling/Replacing
• Engine Temperature monitoring
• Fuel monitoring
• Coolant pipe leakage
detection

9. ENGINE KEY
OFOFN
Coolant temperature
Fue5l 0L DeEvGel C70 %

10. OONFF Fuel
100 %
Fuel level
0 %
ENGINE KEY
Fuel Level Low

11. ENGINE KEY
ON coolant
100 %
Coolant level
0 %
Coolant level low

12. OOFNF
ENGINE KEY
50 0 C
0 0 C
Check coolant
Active/inactive

13. ENGINE
OOFNF
50 0 C
0 0 C
Coolant pipe leakage

14. CIRCUIT DIAGRAM

16.  Since the hardware complexity is much lower in our miniproject
with PIC 16F877A. The delay involved will be much lower and hence
negligible.
 However the delay in the program execution loop = 1000ms This
delay is provided to protect the out put produced and avoid
overlapping effects

20. Data
acquisition
*Problem
analyzing &solving
* Provide security

21.  Details of Variable Resistance type sensor
 Details of Float type level switches
 Details of RTD (resistance-temperature
detector ) sensor

22. • A Text book of automobile
engineering volume1: PRITAM
SINGH GILL,
• A Text book of automobile
engineering: K.K RAJUT, first
edition 2007,
• Automatic engineering: Dr.
KIRPAL SING, first edition 1969,
Try to include
research papers
Try to include
research papers
• A course in electrical,
electronics measurements and
instrumentation : A.K
SAWHNEY,first edition 1973