Team Traceability Hierarchy Diagram

Element View:
TeamTeamControl systemPerformancePowerHorn featuresHorn volume and pitchThe horn must have a high tone (pitch) equal to or greater than 420Hz.Propulsion systemControl systems:
K-brief about Control systemsMust have robust and stable velocity control of the motor, providing energy-optimized running. All new functionality requested by Shell rules must be implemented. Also, communication between control system and SmartMotor must be tailored (new black box, how do you want this formulated?). Horn, lights and wipers must be included in the car control system.Functional requirementsCar control systemLightsHeadlights operationThe system must enable the driver to turn headlights on and off.Headlights must be turned on and off via the same button.Lights on/off buttonThe system must enable the driver to engage high beam and low beam.Switching between high beam and low beam must be achieved via separate buttons.Beam high buttonHead lights:
Head lights assembly
Headlights mold part fileThe system must enable the driver to indicate turning left and right.When the driver signals to turn left, the left indicator lights must start blinking.When the driver signals to turn right, the right indicator lights must start blinking.The turn indicators must stop blinking when the same button is pressed again.The system should include functionality for warning lights.Warning lights must be achieved by blinking both left and right turn indicators.Warning lights are enabled by a separate button.Turn indicator buttonLightsWiper(s)The system must enable the driver to wipe the windshield.The system must receive the call to use the wiper(s) via a button pressed by the driver.Horn (noise)The system must enable the driver to sound the horn via a button.Releasing the button must stop the horn.Horn buttonCar control system (CCS):
K-brief about Control systemsPropulsion control systemRobust and stable velocity control of the motor.The system must include five - 5 - pre-programmed driving behaviours for the vehicle. These behaviours are called “sections”, referring to them being used on different sections of the race track. The buttons controlling this functionality are called “section buttons”.The system must have one section where the vehicle seeks maximum speed.Maximum velocity buttonThe system must have one section where the vehicle recovers from halting (0 km/h).Launch buttonThe system must enable the driver the option of coasting.Coast buttonThe system must have two (2) sections where the track analyst may program a pre-determined speed.Velocity A buttonVelocity B buttonOperating sectionsEvery section must be activated by the driver via a button (ref Req 1.6.1).If the driver brakes, the activated section must be aborted and the system must return to awaiting new commands from the driver.Section buttonsThe system must make use of the existing control modules.Upon starting the vehicle, two red rear lights must be lit.The system may have a maximum of two (2) motors with associated control units.Front moduleDashboard moduleMotor moduleThe system should make the gas pedal obsolete.The system must have “idling” capabilities (remain stationary with the motor running).Propulsion control system (PCS):
K-brief about Control systemsGeneralThe system must not be difficult to use/learn.The system must not have any functionality that may cause the vehicle to stop due to conventional braking or turning.The system must be modular.The system must be programmed in C.The vehicle’s electrical system must be suitable for wet weather conditions.A precise technical drawing of the electrical drive train must be provided upon applying for the competition (already done?).Driver interfaceThe system must be controlled by the driver via buttons located within arm’s reach in-front of the driver.Dashboard buttons.Start/stop buttons must be located on the dashboard.Wiper control buttons should be located on the dashboard.Steering wheel buttonsSection buttons must be located on the steering wheel (ref Req 1.1.1).Buttons for controlling lights should be located on the steering wheel.Lights on/off buttons should be located on the steering wheel.High beam/low beam buttons should be located on the steering wheel.Dashboard:
Dashboard part fileBeam high buttonBeam low buttonTurn indicator buttons should be located on the steering wheel.Horn button must be located on the steering wheel.Steering wheel:
Steering wheel part file
Steering wheel presentation part file
Steering wheel milling part fileDisplayThe system should display information to the driver while driving.The information must be displayed on a LED display located in the dashboard.LED displayControl systems:
K-brief about Control systemsPropulsion systemRadial stress:
must withstand 150 N
Should >150 NMust withstand 150NNew motor:
Technical k-brief about the motorMotor wheel:
Technical k-brief about motor wheelShould withstand >150NNew motor:
Technical k-brief about the motorMotor wheel:
Technical k-brief about motor wheelNew motor:
Technical k-brief about the motorMotor wheel:
Technical k-brief about motor wheelAxial stress:
must withstand 4400 N
Should > 4400NMust withstand 4400NNew motor:
Technical k-brief about the motorMotor wheel:
Technical k-brief about motor wheelShould withstand > 4400NNew motor:
Technical k-brief about the motorMotor wheel:
Technical k-brief about motor wheelNew motor:
Technical k-brief about the motorMotor wheel:
Technical k-brief about motor wheelPropulsion systemMotor wheel:
Technical k-brief about motor wheel