Slide 1

University of Massachusetts Amherst InteLock TM Advisor: Professor Ganz Team: Emmanuel Seguin Christos Tsiokos Josh Coffin Anh-Kiet Huynh Remote Access and Proximity Key

Slide 2

2 Grenzebach Glier & Associates, Inc. Background & Motivation Getting into the front door of ones home can present a troublesome situation Fishing around in pockets for keys Finding the correct key to unlock the door Problems arise when it is dark outside Loss or misplacement of keys Inconvenient to find keys when hands are tied up

Slide 3

3 Grenzebach Glier & Associates, Inc. Background & Motivation Various keyless entry systems have been developed Combination Lock oGain entry into a home by inputting preset code into door keypad

Slide 4

4 Grenzebach Glier & Associates, Inc. Background & Motivation Remote Door Lock oGain access to home utilizing a small remote device similar to that of a keyless car remote Electronic Card Key Lock oGain access to home utilizing an electronic card key oElectronic card key must be placed over card reader oDoor unlocks if proper card key is in place oSome locks require sliding of key

Slide 5

5 Grenzebach Glier & Associates, Inc. Background & Motivation Fingerprint Identification Lock oUser places finger in fingerprint identification scanner oScanner checks for record of the fingerprint oAllows access through door if fingerprint matches records

Slide 6

6 Grenzebach Glier & Associates, Inc. Background & Motivation All products are great alternatives Each individual keyless system provides its own unique security protocols Cost can be a huge downside

Slide 7

7 Grenzebach Glier & Associates, Inc. Background & Motivation Another alternative to keyless entry systems Propose a new product designed for residential population Easy to use, easy to install Will fit in existing doors in the home Ability to be upgradeable (i.e. new security features) and expandable (i.e. home automation, lighting controls, temperature controls, etc) Low power consumption

Slide 8

8 Grenzebach Glier & Associates, Inc. Background & Motivation Whats the plan? Homeowner with a special electronic key will be able to access door (discussed in detail later) Utilize wireless devices that operate on cell, AA, AAA batteries Wireless device will operate for years without having to constantly change batteries Wireless devices must be small for easy integration into existing door User keys must also contain small wireless devices

Slide 9

9 Grenzebach Glier & Associates, Inc. Background & Motivation Additional features How to overcome the misplacement or loss of electronic key? oEach key has a unique ID tag oCan set system so that the loss ID tag will not be accepted oIntegrate keyless system with internet Home entry control from remote location

Slide 10

10 Grenzebach Glier & Associates, Inc. Requirements Phase (1) will involve the interaction of the parts: doorknob, access key, deadbolt and coordinator Phase (2) will involve interaction between a PC and coordinator of phase (1), and a http web site

Slide 11

11 Grenzebach Glier & Associates, Inc. REQUIREMENTS Phase (1) Zigbee is used for any wireless interaction Door unlocks in presence of a valid key when Door Knob is turned Independent and wireless units run on batteries Quick system response

Slide 12

12 Grenzebach Glier & Associates, Inc. Requirements (Phase (1)) The key has a practical size Encryption (AES-128) Doorknob turning tolerance will be about 20 degrees

Slide 13

13 Grenzebach Glier & Associates, Inc. REQUIREMENTS Phase (2) Phase (1) interfaces with phase (2) The system connects to the internet Access through a http web site User controls the door and checks its status

Slide 14

14 Grenzebach Glier & Associates, Inc. Design Characteristics Water fall method Component Based Design Simplicity Expandability User Friendly

Slide 15

15 Grenzebach Glier & Associates, Inc.

Slide 16

16 Grenzebach Glier & Associates, Inc. Door Knob Trigger:

Slide 17

17 Grenzebach Glier & Associates, Inc. Electronic Deadbolt Existing electric deadbolt New microcontroller Existing power supply

Slide 18

18 Grenzebach Glier & Associates, Inc. Software Developement Phase I WinAVR Development Environment Familiarity with environment Familiarity with command structure and library C++ embedded software Phase II Text Pad Java D.E. and compiler? Familiarity M.S. Visual Studio? Graphic Objects

Slide 19

19 Grenzebach Glier & Associates, Inc. Design Alternatives for Technology

Slide 20

20 Grenzebach Glier & Associates, Inc. Design Alternatives for ZigBee Technology Development Kits

Slide 21

21 Grenzebach Glier & Associates, Inc. Deliverables and Demo Tests Deliverables: -Phase I (1) Command unit (1) Door knob (1) Deadbolt (2) Keys Associated Source Code User Manual -Phase II Server Software for PC Source Code Interface between PC and Control unit User Manual Acceptance Tests: -Phase I Door must unlock only if valid Key is within range Deadbolt must disengage within 1 second of knob turning -Phase II Software must be active whenever PC is running Interface must only allow authorized users to operate the system

Slide 22

22 Grenzebach Glier & Associates, Inc. Proposed MDR Specifications Psuedo-code for embedded firmware on each system components Establish communication between ZigBee coordinator and at least one node Generate associated documentation Assemble and test trigger mechanism for Door Knob

Slide 23

23 Grenzebach Glier & Associates, Inc. Q & A ? ? ????? ? ? ? ? ? ? ?