Autonomous Vehicles Quiz Game

Autonomous Vehicles Quiz Game

Sensors & hardware – Medium

Sensors & Hardware (Medium)

1 / 17

Why are depth sensors important for autonomous driving?

Fact:
Embedded systems are lightweight computers small enough to fit inside a vehicle. They can be used for onboard processing of sensor data and AI algorithms.

2 / 17

Smart Cities have hardware boxes installed on traffic lights and lampposts that provide information to your car. How is such a box called?

Fact:
C-V2X communication uses the 5.9 GHz band for dedicated short-range communication, enabling data exchange that does not rely solely on cellular networks.

3 / 17

When ranking the three primary autonomous sensors by the frequency of the waves they detect or emit, which order is correct (from highest frequency to lowest frequency)?

Fact:
Radar can directly measure object velocity using the Doppler effect, making it more reliable than LiDAR in poor weather conditions

4 / 17

Which sensor is most effective in poor lighting conditions?

Fact:
Self-driving cars use different types of sensors like cameras, radar, and LiDAR to see the world around them. These sensors work together so the car can still understand its surroundings even if one sensor is blocked or affected by weather.

5 / 17

Why is sensor fusion important for ODD-aware operation?

Fact:
Modern AVs combine LiDAR, radar and cameras so perception remains reliable even when one sensor degrades.

6 / 17

What is the main advantage of LiDAR sensor, when compared to Camera

Fact:
Vehicular hardware shall be designed taking into account the overall physical constraints of the vehicle, and this means that performances can be traded for small sizes and power consumtion

7 / 17

What is the main safety challenge when sharing a single GPU between multiple vehicle functions (e.g., driving and infotainment)?

Fact:
Modern autonomous cars use powerful Graphics Processing Units (GPUs), similar to high-end gaming computers, to instantly process massive amounts of sensor data and make safe AI-driven decisions.

8 / 17

Which satellite-based technology is often used to estimate a vehicle’s position?

Fact:
Connected vehicles can use V2X communication to exchange safety-relevant information with other vehicles and infrastructure.

9 / 17

Why can UWB improve smartphone-based car access?

Fact:
Ultra-Wideband can support precise short-range positioning, which is why it is increasingly discussed for digital vehicle access.

10 / 17

What is a key advantage of distributed radar systems?

Fact:
Radar hardware in distributed systems must be designed considering deployment constraints such as size, power consumption, and environmental conditions. Performance can be optimized through strategic placement and cooperative operation of multiple radar nodes. These nodes work together to provide a complete picture, so even if one unit is blocked or fails, the system still delivers accurate coverage.

11 / 17

What is the purpose of a MEMS mirror in a scanning sensor or display system?

Fact:
MEMS mirrors can help make optical scanning systems compact by steering light beams with tiny moving mechanical structures.

12 / 17

Why do autonomous vehicles use virtual sensing in addition to physical sensors?

Fact:
Virtual sensing complements physical sensors by estimating values that are difficult or expensive to measure directly.

13 / 17

How do haptic devices such as joysticks or vests support operators in tele-operated autonomous machines?

Fact:
LiDAR uses laser pulses to measure distances and create precise 3D maps of the vehicle’s surroundings.

14 / 17

Why is sensor fusion important in autonomous driving and teleoperation systems?

Fact:
LiDAR uses laser pulses to measure distances and create precise 3D maps of the vehicle’s surroundings.

15 / 17

In addition to smartwatches, which specialized wearable device is used to host sensors for monitoring a motorcycle rider's specific tasks?

Fact:
Wearable devices such as smartwatches and sensor-equipped gloves are utilized to monitor physiological parameters like Heart Rate Variability (HRV) using PPG sensors . In the context of lightweight electric vehicles, hardware includes safety-compliant inverters designed to integrate with monitoring systems for real-time safety.

16 / 17

What effect is used to perceive depth with regular 2D cameras?

Fact:
Dynamic Vision Sensors (DVS) detect changes in brightness asynchronously at each pixel, enabling ultra-low latency motion detection.

17 / 17

What does sensor calibration aim to improve in an automated vehicle?

Fact:
Sensors such as radar, cameras, and LiDAR are most useful when their measurements are accurately aligned to the vehicle and to each other.

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