2. GO KART FOR SHANE CLIENT CONTACT: Shane Davis, 6 Sunrise Drive, Columbia CT 954-850-5448 quarrion1227@gmail.com TEAM 3: Jeff Marcelus Bramatej Meka Raymond Songer

3. OVERVIEW  About the Client  Limitations  Specifications  Implementation  Acknowledgements

4. Shane Davis  Age: 20 years old  Weight: 120 pounds  Height: 5’ 3”  Disability:  Cerebral Palsy  Spastic Quadriplegia

5. Limitations  Cerebral Palsy and Spastic Quadriplegia  Spastic quadriplegia is a form of cerebral palsy in which all four limbs are affected.  The condition is referred to as spastic rather than paralysis because the patient has some movement in all of his limbs.  Shane has very limited hip movement and strength, which when combined with severe quadriplegia leaves him confined to a wheel chair.

6. Product Specifications Major Components  90cc electric start Gasoline engine  Full support seat with armrest control panel  Cushioned seat with 5-point harness  Fully automated hydraulic braking  Fully automated electric steering  Fully automated throttle  Automatic transmission with reverse  4-wheel independent suspension Major Modifications Made  Joystick controller  Multidirectional for throttle, braking, and steering control  Ability to use a conventional driving setup  Low resistance steering wheel with electric steering  Remote starter with kill switch  Onboard kill switch  Rugged electronics for off-road use

7. Mechanical Aspect of Kart  90cc 4-stroke gasoline motor with electric start  Steel frame  Dimensions (L*W*H): 66”x42”x40”  Hydraulic disc brakes  220 pound weight capacity  Automatic transmission with reverse  Full suspension with 3.3” of travel  All terrain tires

8. Control Panel  The control panel will allow Shane to start/stop the engine, control the lights, and let him know what gear he is in

10. Conventional Driving Mode  A conventional driving mode will be available for Shane  The brake and gas pedal are both depressed manually  The steering wheel will input information to a rotational potentiometer  This information will be relayed through a microcontroller which will engage the electric motor and turn the front wheels

11. Joystick Mode  The go kart will have the ability to be controlled by a bidirectional joystick  Forward: Throttle (+Y)  This engages a linear actuator that pulls a cable which in turn depresses the gas pedal  Backward: Brake (-Y)  This engages a linear actuator that directly depresses the brake pedal  Left to Right: Steering (-X to +X)  This engages a DC motor which is connected to the steering column via a chain and sprocket system

12. Steering  The steering is controlled with a Dayton Gear-motor that has been geared to provide 75 in-pounds of torque  Controls steering via a chain and sprocket system  Replaces the input to the steering column and controls the rack and pinion  The motor and steering column will have the same size sprocket as the motor, providing enough torque to turn the front wheels with a 1:1 ratio  Feedback to the microcontroller is provided by a linear sensor potentiometer

13. Throttle and Braking  Both the throttle and the braking are controlled by high speed linear actuators  Throttle- Linear actuator pulls on a pulley to accelerate.  Braking- Linear actuator presses against the brake.

14. SEAT  Bucket Seat  Good lumbar support (padding)  Taken from an electric wheel chair  Provides client with added insurance of arm rests  The seat is capable of folding down on itself to provide access to the motor and electronics  5 point harness  Will keep the client secure when navigating difficult terrain

16. Microcontroller  Controls the entire electronic system (BRAIN)  Arduino UNO  PWM (PULSE WIDTH MODULATION) outputs

17. Firgelli Linear Actuator Control Board  LAC Firgueli  Controls the speed, retraction limits, and precision  Gives feedback regarding the position of the motor or actuator to the microcontroller

18. Acknowledgements  The Davis Family  Dr. John Enderle  Fred Wright  Ian Wallis  Marek Wartenberg

19. QUESTIONS?