multilevel parking

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Page 1: Multilevel Parking

http://www.final-yearprojects.co.cc/ http://troubleshoot4free.com/fyp/ One place for Projects, Presentation, seminar, summer training report and lot more.NOTE:-This work is copyright to its Authors. This is only for Educational Purpose.

Project Report

Page 2: Multilevel Parking

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Multi-level Parking Lift

Page 3: Multilevel Parking

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INTRODUCTION

In this project, we show the basic multilevel car parking system with two floors.

Although we show the concept with two floors, it is still possible to show this

concept on multiple floors. Also, in this project, we will show two floors with 4

sensors on each floor. The lift carries the car to each floor. Along with these 8

sensors, we use two separate sensors for each floor. With the help of these

sensors, the lift stops automatically.

When we press a start switch, the lift automatically starts and immediately

senses the space in the parking station. If the space is available, the lift will start

or stop on particular floor, which is displayed in the LCD. If no space is available,

the lift stops and displays the message “no space”.

If all the spaces are vacant, the lift will park the vehicle on priority basis.

Page 4: Multilevel Parking

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PROJECT HISTORY

The earliest known multi-storey car park was built in 1918. It was built for the

Hotel La Salle in Chicago, IL at 215 West Washington Street in the West Loop

area of downtown. It was designed by Holabird and Roche. The Hotel La Salle

was demolished in 1976, but the parking structure remained because it had been

designated as preliminary landmark status and the structure was located several

blocks from the hotel it was built to service. The Hotel LaSalle multi-storey was

demolished in 2005 after failing to receive landmark status from the city of

Chicago.[3] Jupiter Realty Corp. of Chicago is constructing a 49-storey apartment

tower in its place,[4] with construction underway as of March 2008.

Automated car parks rely on similar technology that is used for mechanical

handling and document retrieval. The driver leaves the car in an entrance

module. It is then transported to a parking slot by a robot trolley. For the driver,

the process of parking is reduced to leaving the car inside an entrance module.

At peak periods a wait may be involved before entering or leaving. The

wait is due to the fact that loading passengers and luggage occurs at the

entrance and exit location rather than at the parked stall. This loading blocks the

entrance or exit from being available to others. Whether the retrieval of vehicles

is faster in an automatic car park or a self park car park depends on the layout

and number of exits.

Page 5: Multilevel Parking

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Components Used

S. No. COMPONENT SPECIFICATION

1. STEP DOWN TRANSFORMER 220 TO 9 VOLT AC- 750 MA

2. DIODE IN 4007 ( 2)

3. CAPACITOR 1000MFD(2) 16 VOLT

4. REGULATOR 7805 ( 3 PIN REGULATOR) 1A

5. RESISTOR: FIXED 470 OHM.(3)

10 K OHM (1)

4,7 K (2)

6. REED SENSOR (10)

7. LCD 2 BY 16

8. VARIABLE RESISTOR 4. 7 K OHM

9. OPTOCOUPLER PC 817 (2)

10. NPN TRANSITOR (2) BC 548/547

11. PNP TRANSISTOR(2) BC 558/557

12. DC MOTOR GEAR SLOW SPEED 9-12

VOLT-250 MA

13. CRYSTAL OSCILLATOR 12 MHz

14. DISC CAPACITOR 27 PF (2)

15. PUSH TO ON START SWITCH (1)

16. ATMEL MICROCONTROLLER 80951

Page 6: Multilevel Parking

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WORKING PRINCIPLE

Page 7: Multilevel Parking

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FIG.: CIRCUIT OF MULTI STORY CAR PARKING

Page 8: Multilevel Parking

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COMPLETE PROJECT IS TO BE DIVIDED INTO FEW PARTS:

Power Supply:

In this project, we use 5 volt regulated power supply. For this purpose, we use a

single step down transformer with full wave rectifier circuit. In the rectifier circuit,

we use two diodes as a full wave rectifier. One 1000mfd capacitor is used as a

filter capacitor to convert pulsating dc into smooth dc. Output of the rectifier is not

regulated, so for regulated power supply we use IC 7805 as a regulator. Output

of the 7805 regulator is connected to one led with a resistance in series. LED

works as a power indication circuit.

Here the step down transformer used is a center tap transformer. We use

center tap transformer in a full wave rectifier circuit.

Sensors:

In this project, we use a reed switch as a sensor. Reed switch is a special

magnetic proximity sensor. When this reed sensor is activated by an external

magnetic field, the reed sensor is activated automatically. In the reed sensor,

Page 9: Multilevel Parking

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there are two wires inside the glass casing. When an external magnetic field

affects the sensor, these plates join together and become short automatically.

We use this sensor in our project to sense the position of the car and of the lift on

floor. When the lift moves, it searches the reed sensor for stoppage. We paste

one magnet with the lift and when the lift move up-wards, then magnet searches

the sensor. As the sensor is sensed by the magnet, the lift stops there

automatically.

So whenever we want to stop the lift or check the position of the vehicle,

we search the magnetic sensor. When any car is parked on the desired position,

the sensor activates and provides a signal to the controller. The controller checks

the change of voltage on this pin and saves this data for auto sensing logic.

When sensor is active, the port pin becomes more negative and this

change of voltage from high to low is our required signal.

Page 10: Multilevel Parking

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Microcontroller interface:

In this project, we use the 8051 controller to interface all the inputs and outputs.

In the input device, we use 10 sensors and one start switch. In output, we use

one LCD as a display and one motor to move up-ward and down word. The brain

inside the controller is to control all these inputs and outputs and perform

perfectly. 8051 is basically an INTEL IC but now in these days it is available with

many companies. We use ATMEL 89S51 series with advance feature than 8051.

ATMEL 89S51 is a 40 pin controller with 128 bytes of ram and 4 k byte of ROM

inside. Pin no. 40 of the controller is connected to the positive 5 volt power

supply. We provide a 5 volt regulated power supply on this pin. Pin no 9 is the

reset pin and this pin is connected to a capacitor and resistor network to provide

an auto-reset option, when controller is wake-up. For manually reset, we connect

one push to on switch in parallel with the capacitor to provide manual reset

option. Pin no. 20 is connected to the ground pin. Pin no. 18 and 19 are

connected to the external crystal to provide a constant oscillation to the circuit.

Two capacitors are grounded from the crystal pins to provide stabilization. All the

reed sensors are connected to port p1 and port p3. First floor parking sensors

are connected to the p1.0, p1.1, p1.2, p1.3. These four sensors are related to the

first floor sensor. Second floor sensors are p1.4, p1.5, p1.6, p1.7. First floor

stoppage sensor is p3.2 and second floor stoppage sensor is p3.3. Start switch

of this project is p3.0. On this start switch either we connect a start switch or we

connect an infra red sensor. In the case of infra red sensor, when the car enters

the parking position, the lift senses automatically and starts.

Motor of the lift is connected to the p2.0 and p2.1. Output of these pins is

connected to the opto coupler circuit. Here we use a pc 817 opto coupler to

provide an electrical isolation between motor control circuit and micro controller.

Output from the controller is connected to the cathode of infra red led through

470 ohm resistor. When controller is on, the infra red led is on due to negative

Page 11: Multilevel Parking

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output from the controller. When infra red LED inside the coupler is on then this

light drive the internal phototransistor of the coupler. Output from the coupler is

now connected to the H bridge circuit. In the H bridge circuit, we use four

transistor circuits with one dc motor. In the H Bridge, we use a four transistor

circuit. In this four transistor circuit, two transistors are NPN and two transistors

are PNP. With the help of these four transistors, we control the direction of the

motor. Not only we control the direction of motor but also, at the same time these

transistors share the load of the motor directly.

Port p0 of the controller is connected to the LCD directly. Here we use port

p0 with the data pins of the ASCII code. LCD displays only the ASCII code. In the

programming, we convert the digital code in to ASCII code by adding 30h in any

binary number. So to provide a data in the LCD, we send these codes by the 8

data lines. These data lines from the controller is from the p0.0 to p0.7

P2.5, p2.6, p2.7 is connected to the control pins of the LCD. On this

control pin, we select the command register, data register and the enable pin. We

use the command and the data register pins to send the data and command

separately.

Page 12: Multilevel Parking

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Advantages of Multi-story car parking system:

A city like Delhi has over five million cars and two-wheelers on its roads, but not

enough parking spaces. The demand for parking space has, on an average in

the main markets of Delhi, outstripped demand by 43 per cent. It is not just a

problem of Delhi or Mumbai; all the big cities in India are facing the space

crunch. Parking space is fast becoming a major issue in other cities like Kolkata,

Bangalore, Hyderabad, Ahmedabad, Chandigarh, Pune and other urban and

semi-urban cities.

Automatic multi-storey car parks provide lower building cost per parking

slot, as they typically require less building volume and less ground area than a

conventional facility with the same capacity. However, the cost of the mechanical

equipment within the building that is needed to transport cars internally needs to

be added to the lower building cost to determine the total costs. Other costs are

usually lower too, for example there is no need for an energy intensive ventilating

system, since cars are not driven inside and human cashiers or security

personnel may not be needed.

A multi-storey car parks offer greatest possible flexibility for the realization

of optimum parking solution. A fast parking process in which the driver does not

have to maneuver his car or drive backwards, guarantees highest comfort and

security. A single lift serves 6 to 12 parking spaces per level taking up a minimum

of space. Time-saving vertical and horizontal movements take place

simultaneously ensuring fast parking and retrieval times.

Page 13: Multilevel Parking

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Limitations of a multi-storey car parking system:

The subjective analysis has shown that the greatest effects of a Multi-Storey Car

Park on Surrounding Residential Blocks are the air and noise pollution caused by

the motor vehicles. Parking lots also tend to be subject to contamination with

concentrated spots of pollutants such as motor oil.

Also, they often cover large contiguous areas with impermeable paving

surface. This means that virtually all of the rain (minus evaporation) that falls

becomes runoff. The parking lot must be built to effectively channel and collect

runoff. Traditionally, the runoff has been shunted directly into storm sewers,

streams, or even sanitary sewers. However, larger municipalities now require

retention basins to catch runoff to reduce the stress on sewer systems.

Many areas today also require minimum landscaping in parking lots. This

usually principally means the planting of trees to provide shade. Customers have

long preferred shaded parking spaces in the summer, but parking lot providers

have long been antagonistic to planting trees because of the extra cost of

cleaning the parking lot.

Also, the challenges which the developers are facing in implementing

these technologies in India include the service backup. The challenge is for the

authority is to realize the need and move quickly.