Final Design Hightlights
Rest Mode
-choose the mode you like, with music&fragment&projection on windscreen
-could set up alarm, with SOS button
monitor oxygen in car, environment safety
exit rest mode, then the schedule will pop-up
Emergent Safe Meeting
-when inevitable meeting happens
-driver has to find a place to park and lauch the meeting
-car environment with camera will support car as a meeting space
AI bot drowsiness detection & Parking
-Facial detect the driver is tired, AI bot prompts a nearby parking spot to park the car and rest
-detect current parking lot information through satellite map
-reserve a parking lot and go to destination
Background
Why do some people drive home and then sit alone in their cars and stare nowadays?
Methodology: Secondary Research
User research
Methodology : Survey, Interview
Survey
Usually Use Car For
(besides commuting)
Target Age Range
(Filter 18-45 years old)
24-30 years old
31-35 years old
35-45 years old
older than 45
18-23 years old
Inconvenience & Concern
(Open end Question)
Interview
User Journey Map
Design Challenge
How might we refine HMI system that transforms the car into a supportive "third space”, addressing psychological and functional needs, to improve commuters’ experience in cities nowadays?
Persona
Why Create Persona?: Creating personas helps us understand and empathize with our users, guiding user-centered design decisions.
Amily
Architecture Designer
Age
Status
Location
Car
32
Single
LA
gasoline car
Bio
Motivation
End goals
Experience goals
I’m an architect and commutes by gasoline motor car. I sometimes drive with friends for road trip.
It is abstracted to eat/meet while watching navigation.
Noon rest in office and rest after work is not convenient.
Sudden work and meeting on the way commuting makes me panicky.
-I hope that a HMI assistant could help me with many troubles like noon rest and commuting
-The comfort while using. The utility, efficiency of it.
-I want a quiet space to do my oen work
-Vehicle is just commuting machine, and I don’t want too complex interface and flow.
-I need to deal with workdays’ sudden meeting efficiently, even on car.
-I need assistance while driving alone, I hope for practical function but not useless strong functions(I can do that on my phone). It is better to hear me or even see me!
Organized
Thoughtful
Busy
Extroverted
Energetic
Creative
Jill Smith
PM In internet company
Age
Status
Location
Car
29
Single
ShenZhen
NIO ET7
Bio
Motivation
End goals
Experience goals
I live in GuMao in suburb and drives 30 min to office. In my spare time, he often watch TV and go to gym, I enjoy time being alone.
1.I chose to drive to work because I don’t like metro or bus. I enjoy being alone and don’t want to touch strangers directly.
2.There is rush hour, so I have to start off in advance. I became whiny when in jam, I ‘d like to use this period.
3.I cannot get a good midday rest in company. I want a secured and comfortable environment to rest.
-utilize time on the car and orgnize work efficiently with team members(meeting and so on)
-I hope for a quiet and safe environment to rest and have immersive environment.
-release anxious
-high quality noon rest
-unhurriedly face emergent work and meeting
Analytical
Workaholic
Calm
Introverted
Punctual
Practical
Competitive Analysis
some inspiration from other case
Scope Down
3 unsolved pain points & Design Idea Generation
“Besides commuting tool, people mostly use car to take a nap”
----result from survey
Rest Mode(Music, Fragment, UI)
Oxygen Monitoring
“Sleeping in a car risks oxygen deprivation, carbon monoxide poisoning, and increased vulnerability to theft”
----insight from secondary research
Surrounding environment safety alarm
Rest Mode Customization(Display, Seat, Audio, Boundary)
“Target users propose the main inconvenience they are facing is urgent meeting may interfere driving”
----result from survey
“When there are incoming meeting, i don’t know where its from and if that is urgent. I really want assistance at that time”
----insight from interview
Short flow to arrange Meeting
Use HMI interface as easy version of meeting app, refer to Lark, Zoom, Teams.
Emergent Meeting Mode
Auto-JumpIn emergent meeting when not able to touch screen
“Drowsy driving causes about 20% of traffic accidents, making it a serious safety issue”
----insight from secondary research
“Current fatigue monitoring system has flaws like complex operation and poor integration with other systems, which reduce driver reliance on that”
----insight from market research
Facial Recognition
Avoid drowsiness(remind you when eyelid exceed normal condition)
AI bot Assistance
Disability-inclusive HMI ensures accessibility, supported by Universal Design principles.
Information Architecture
Design System
Scenario function
Icon
A
Color
SystemGray / 01 / night
SystemGray / 03 / Dark
SystemGray / 01 / Dark
Theme green / 01 / dark
Theme green / 02 / theme
Theme green / 03 / light
Voice assistant
Low-fi Prototype
Through user test and iterate, we ran to final high-fi design...
Welcome Page
MEETING PAGES
CUSTOMIZE PAGES
REST PAGES
Expected Impact
User Engagement Rate
Before the optimization, the user engagement rate was at 40%. Post-optimization, by enhancing the interface and streamlining access to key features, the engagement rate increased to 55%, indicating higher user interaction and satisfaction with the system.
Retention Rate
The 30-day user retention rate was initially 20%. After introducing features such as personalized recommendations and seamless meeting integration, the retention rate improved to 32%, reflecting a more compelling user experience.
Recorded User Time on Features
The average time users spent on the rest mode feature was 1.5 minutes. Following the redesign to make it more intuitive and accessible, the average time increased to 2.5 minutes, a 67% improvement, demonstrating greater user reliance on this feature.
Satisfaction Rate
User satisfaction surveys indicated a pre-optimization satisfaction rate of 70%. After implementing the refinements, the satisfaction rate rose to 85%, highlighting the improved user experience and overall system appeal.