Eufhemism

Group members

Name	Student number
Darren Andrew	0528679
Mansour Kheffache	0528776
Sami Kabir	0528747
Vesa Ylämäki	0507933

pysäköid.ai

Vision

We envision an autonomous parking facility for vehicle, where all processes required for daily operations are fully automated without the need for human assistance, while having a low carbon footprint.

Components

Parking Slot Allocation

Once a car enters into the parking area, the display board will show the driver nearest vacant parking slot number. Afterwards, this board will guide the user to reach that parking slot by showing him the direction and distance.

Energy-Based Payment

The car will transfer its electrical energy to the central electrical reservoir of the parking area in exchange for parking payment fee.

Adaptive HVAC + Lighting

Heating, Ventilation, and Air Conditioning and Lighting will be turned on or off automatically based on the sensor response.

Automated Cleaning and Waste Disposal

Image sensors will detect waste objects' presence on the parking floor and communicate the object location to the automated vacuum cleaner. This cleaner will move to that location, clean that waste and return to its original position.

Automatic Fault Detection

In case a sensor or a light or any other electronic device becomes dysfunctional, this message will automatically be communicated to the authority by an automated messaging system.

Technology

On the surface:
Drive-in
Allocate parking spot
Get directions
Plug car to micro-grid
Do “stuff”
Come back to car, and leave

Behind the Scenes:
Fleet management
HVAC + Lighting adapt to utilization
Draws energy from cars depending on time
Automatically decides areas to clean
Report a fault in case of malfunction

Architecture

Sustainability

Less fuel/electrical energy wasted looking for a parking spot

No energy wasted in energy transport from local power plant to facility

Replaces the human

Protocol

UPB - Universal Powerline Bus

for communication among devices

uses powerline wiring for signaling and control

developed by PCS (Powerline Control Systems, Northridge CA)

released 1999

based on concept of X10 standard

inproved transmission rate

higher reliability > 99 % (X10 70-80 %)

Physical communication method

Digitally encoded information is sent over the electrical powerline as a series of precisely timed pulses. The pulses are superimposed on top of the AC sine wave.

Fig. 1 UPB Pulse

Fig. 1 UPB Pulse

Pulses are generated by charging a capacitor in the transmitter and then discharging it. A pulse can be sent once on each half-cycle. One pulse transmits two bits of information. Pulse value is selected by timing the pulse on one of four predefined positions. Transmitter tolerance for timing is ±40 μs.

Fig. 2 UPB Timing

UPB works on single-phase, split-phase and 3-phase powerlines.

Data communications

The UPB Byte forms of four pulses (8 bits).

Fig. 3 The standard UPB Communication Packet

The first byte of the packet is called a preamble byte and it is used for synchronization on the receiver device. Preamble byte is always form of 2-1-1-2. The packet header contains information about the packet size, source, destination etc.

Fig. 4 The Packet Header

The UPB System model

Fig. 5 UPB system model

Fig. 6 Setup register

Fig. 7 Linking components

If we had more time

Only having a few day to work on the project was not ideal and we only had a chance to implement a few ideas. There was a few more sensors and logic we would of liked to implement into the prototype if we had more time.

Table- with things we wanted to do.

Poster

Documents

Final report: report.pdf
Final presentation: presentation.pdf
Link to code: code.zip