Vehicle Design

Vehicle Design

Ergonomists Responsibilities
1. Packing
  1. Locating of systems and components in a vehicle
  2. Occupant Packing
    1. Providing space for ingress/egress
    2. Facilitating a comfortable seated posture
    3. Operating controls
    4. Visibility of interior/exterios space
    5. Accessing storage space
    6. Servicing the vehicle
2. Visibility analysis
  1. Driver, vehicle, targets, environment
  2. Field of view
    1. Indirect - mirrors, cameras
    2. Direct - eyes
    3. Fundamental design aim: To enable a driver to always have 360 degree visibility around vehicle
3. Comfort and convenience in ingress/egress
  1. Seat comfort
  2. Loading/Unloading cargo
  3. Servicing of vehicle
  4. Crashworthiness
  5. Human-Machine interface design
  6. Thermal comfort
  7. Auditory/Vibratory comfort
  8. Many problems with drivers entering/exiting vehicles
    1. Eldery
    2. People with shorter/longer legs
    3. People with tall torsos
Eyellipses
1. The statistical representation of the left/right eye positons within a vehicleused for visibility analysis
  1. 95th percentile eyellipse for the right eye of the driver would show where 95% of right eyes would be located in the car for the design population
  2. Rugby Ball shaped
2. 95t or 99th percentle eyellipses
3. Used in vehicle design:
  1. Drivers view through windscreen
    1. Over bonnet
    2. Through windscreen
  2. Drivers view through mirrors
    1. Rear and side
  3. Obscurances due to pillars
    1. Need to increase the pillar size due to roof-crush requirements, reducing head impact injuries
    2. Max 6 degree binocular (overlapping) obstruction
  4. Wiper sweep areas
  5. Sunvisor location/size
Where to put the instrument cluster
1. Can it be seen through the steering wheel?
2. Use sightlines from 95 th percentile eyellipse down to rims of steering wheel
Where to put the controls in the vehicle
1. Max reach zone - 95% of drivers can reach - extended finger tip and full grasp
2. Min reach zone - shortest distance ‘most’ drivers can reach control without inconvenience
3. Primary/Secondary controls should be placed between the two
Ingress and egress
1. Door opening (accomodating around A/B pillars and roof rail)
  1. Door opening angle
2. Position of seat
3. Position of steering wheel
4. Door grap/ handle size and location

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	Creado por Ellen Rita hace alrededor de 9 años