L2 Driver Support for Multilift Hooklift Operations

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DRIVING SUPPORT

LOADING SUPPORT

INTRODUCTION

Hiab’s L2 Driver Support is an assistance feature that reverses the ego-vehicle into an optimal position from where the driver can swiftly pick up or drop off a container/body with Hiab’s Multilift products. The driver initiates the process with a push of a button and monitors the safety of the intended operation via the augmented view on an in-cabin screen. The operational design domain comprises typical urban yard and container environments within which the feature can be engaged safely.

The L2 Driver Support feature is equipped with robust safety protocols, adhering to international standards like ISO 26262 and aligning with the EU’s General Safety Regulation.

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The L2 Driver Support:

  • FASTER - automates complex maneuvers by reversing the vehicle into place straight in line with the front of the container/body or unloading zone 
  • SMARTER - integrates into almost any vehicle equipped with lateral and longitudinal motion control functions
  • SAFER - perceives environment and road users, operates in inclement weather and in GNSS-denied environments with increased safety

KEY FEATURES

PICK-UP OPERATION

  • Driver selects a detected swap body (container or flatrack variant), or manually enters its location via the in-cabin screen
  • Dispatching the vehicle happens through the same in-cabin screen
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DROP-OFF OPERATION

  • Driver selects a drop-off location via the in-cabin screen
  • The drop-off location is subjected to occupancy analysis for safety

AUTOMATIC LOAD HANDLING CYCLE

  • Driver configures the automatic pick-up and drop-off operation cycles and supervises the intended operation hands off inside the cabin 
  • The underlying robotic architecture is designed for end-to-end autonomous and intervention-free cycles, paving the way for optionally manned operation
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AUTOMATIC GRIPPING

  • The gripping is controllable using an in-cabin or radio controller
  • Pressing and holding a button initiates contact-aware, force-regulated gripping of the bail bar until full loading 
  • Decoupling from the bail bar relies on similar single-button simplicity

SITUATIONAL AWARENESS

  • The intended driving task is visualised for the driver via the in-cabin screen
  • Understanding of the environment derive from sensors and algorithms, for example, forecasts of dynamic actor positions add to safety
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AUTOMATIC TRAJECTORY PLANNING

  • The planned path is displayed to the driver in a visually intuitive way
  • Smooth acceleration and curvature planning add to ease and comfort
  • Physically impossible routes are always indicated to the driver

AUTOMATIC LATERAL AND LONGITUDINAL MOTION CONTROL

  • Trajectory planning allows visual analysis for safety of the intended operation
  • Driver takeover is possible at all times
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TECHNICAL SPECIFICATION

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SENSORS

  • Camera and depth
  • Located in the rear-end of the vehicle or Multilift
  • Odometry optional
  • Operates in GNSS-denied environments

USER INTERFACE

  • In-cabin screen
  • Easy-use TV-style 2D and 3D views, with picture-in-picture capability
  • Situational awareness derives from recognition, planning and decision making algorithms
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SAFE AUTONOMY BY DESIGN

  • Sensor and hardware manufacturer warranties
  • Continuous product improvements, including progressive updates to software, all with predictable upfront costs

CHASSIS

  • Requires lateral and longitudinal motion control functions, such as the ability to leverage existing L1/L2 systems that provide drivers with steering and brake/acceleration assistance
  • Actuator-level control commands are generated agnostic to chassis specifics
  • Typical gross vehicle weight some 30t, frame of “straight” type
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