KIIRA ELECTRIC VEHICLE CONCEPT A Step Into The Green Future
Presentation Outline o About the project o Project Organisation o 2 Seater Systems and Sub-systems Summary o Electrical System o Communication System o Mechanical Systems-Body o Frame o Suspension and Steering o The Chassis and Motor Drive o Vehicle Flag November 10 KIIRA ELECTRIC VEHICLE 2
About The Vehicle Design Project o VDP is an innovative research project based at the Faculty Of Technology with a mission of developing cost effective and environmentally friendly automobiles for Africa o Our main objective is to build a 2 seater Electric Vehicle as proof of concept o Currently organised into 3 major Teams, the Electrical Team, Mechanical team and The Vehicle Network team November 10 KIIRA ELECTRIC VEHICLE 3
Project Organogram November 10 KIIRA ELECTRIC VEHICLE 4
KIIRA Systems and Sub-Systems November 10 KIIRA ELECTRIC VEHICLE 5
Electrical System-Powertrain High Performance AC Motor and Reduction Gear DC-AC Inverter and Controller Battery Charger High energy Density Batteries November 10 KIIRA ELECTRIC VEHICLE 6
System Summary Component Type Status Motor and Motor Controller 3 Phase AC Induction Motor Covered under Procurement Battery Pack Lithium-ion Batteries-LEV50-4 Covered under Procurement BMS Daisy Chain (Ring Topology ) Covered under Procurement Battery Charger Single Phase Intelligent charger Covered under Procurement November 10 KIIRA ELECTRIC VEHICLE 7
Communication Network and Electronics November 10 KIIRA ELECTRIC VEHICLE 8
Communication Network Description Master CAN Display Motor Control Front Lighting Front Wiper Control Instrument Cluster Node Purpose Controls communication between all system Node Display of communication Parameters for Driver Communication Network interaction Node for communication of Driver motion control parameters to the motor Communication of control and Error messages between the Front Lights and Other Nodes Communication of control and Error messages between the Wipers and Other Nodes Communication of Control and Error messages between the speedometer, Tachometer, Battery Meter and Other Nodes Internal Sensors and Switches Right and Left doors Battery management Cooling System Communication of Control and Error Messages Between internal switches and Other Nodes Communication of Control and Error Messages Between Doors and Other Nodes Communication of Control and Error Messages Between the Battery system and Other Nodes Communication of Control and Error Messages Between the Powertrain system and Other Nodes November 10 KIIRA ELECTRIC VEHICLE 9
Communication System and Electronics Status Component Type Status Communication Master Node Freescale MPC555 CAN Controller Covered under Procurement CAN display Kongsberg CAN display Covered under Procurement Lighting 12 V LED Lighting System Covered under Procurement Wiper electronics Node Covered under Procurement Internal Sensors and switches Covered under Procurement Door electronics Covered under Procurement Battery Management Node Covered under Procurement Error display electronics Node Covered under Procurement Cooling System Electronics Covered under Procurement Motor Management Node Covered under Procurement November 10 KIIRA ELECTRIC VEHICLE 10
2 D body Design-Isometric View November 10 KIIRA ELECTRIC VEHICLE 11
2 D body Design-Top View November 10 KIIRA ELECTRIC VEHICLE 12
2 D body Design-Side View November 10 KIIRA ELECTRIC VEHICLE 13
2 D body Design-Front View November 10 KIIRA ELECTRIC VEHICLE 14
Mechanical Systems- The 3D body Design Glass Roof Design Considerations aerodynamic performance Aesthetics Ease of fabrication Symmetrical form November 10 KIIRA ELECTRIC VEHICLE 15
Body-Rear View Unique Design of Trailing Lights November 10 KIIRA ELECTRIC VEHICLE 16
Light Weight Body Material Composite Carbon Material November 10 KIIRA ELECTRIC VEHICLE 17
The Frame Tubular Frame Design for Light weight (Square and circular steel Tubes for Strength) November 10 KIIRA ELECTRIC VEHICLE 18
The Chassis Cruciform chassis formation Light weight Chassis material Extruded aluminium material November 10 KIIRA ELECTRIC VEHICLE 19
Motor Drive and Gear Assembly Compact reduction gear and differential Assembly High Performance Induction Motor November 10 KIIRA ELECTRIC VEHICLE 20
Motor Drive Assembly Into Chassis MOTOR DRIVE November 10 KIIRA ELECTRIC VEHICLE 21
Drive and Wheel Assembly Standard Wheels sized for power saving November 10 KIIRA ELECTRIC VEHICLE 22
Steering System and Suspension Assembly November 10 KIIRA ELECTRIC VEHICLE 23
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Chassis and Frame Assembly November 10 KIIRA ELECTRIC VEHICLE 26
Energy Source Lithium-ion Batteries High energy density High Specific Power Long Lasting Lithium-ion Batteries (LEV50-GS Yuasa) November 10 KIIRA ELECTRIC VEHICLE 27
Energy Source Assembly Batteries Fitted into Extruded aluminium tubes in the Chassis Creating More passenger cabin space November 10 KIIRA ELECTRIC VEHICLE 28
KIIRA Flag November 10 KIIRA ELECTRIC VEHICLE 29
Mechanical Components Summary Components Type Status Body Carbon Polymer Not Covered Frame Tubular Steel Material Covered Under procurement Chassis Extruded Aluminium Alloy Covered Under Procurement Wheel Assembly Standard R14 wheels Covered Under Procurement Braking System Friction and Regenerative Brakes Covered Under Procurement Steering System Electric Power Steering Covered Under Procurement Suspension and Shock Absorbers Spring suspension system Covered Under Procurement November 10 KIIRA ELECTRIC VEHICLE 30