Aerial Work Platforms

HED has developed custom solutions to meet the rigorous requirements of the aerial work platform industry, including a complete envelope control system. From controlling the hydraulically driven boom functions to controlling stabilizers, HED can provide a complete multiplexed solution that will reduce the cost and complexity of your aerial work platforms.

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Potential Applications:

Boom Functions

  • Controlling boom functions with a closed-loop PWM signal for excellent proportionality and fine metering
  • Input modules to convert discrete and proportional analog sensor into CAN
  • Ability to have coordinated X-Y motion and electronic self leveling of the basket


  • CAN based keypad to simplify the wiring for driving your outriggers

Power Train Control

  • Broad line up of displays to integrate engine and vehicle controls and diagnostic information
  • Keypad for the cab to control lighting
  • Ability to control and monitor the engine and transmission / propulsion

Misc Functions

  • Smart Dataloggers with up to 4GB of storage and optional Wi-Fi communication to log critical events
  • Fleet management via a fully functional Telematics system including the ability to download application code remotely to the vehicle (OTAP)
  • Complete envelope control using a 32 bit processor
  • High current power modules to drive accessories and lights (up to 40 amps per output)

Future Flexibility

  • User friendly software to allow you to modify and update your control system as required 


Cost Effective

  • Distributing the vehicle controls will significantly reduce the vehicle wiring harness especially to functions at the end of the boom
  • Reduced Installation Cost
  • Lower Cost of Ownership
  • Reduced Warranty Cost
    • Reduced wiring
    • Robust products

Increased Performance

  • Closed-loop current control (up to 5mA accuracy) for excellent fine metering and smooth boom control
  • Envelope control can monitor the position of the basket and create restricted areas of motion while maintaining stability

Improved Efficiency

  • Ability to coordinate functions (lift, extend, etc.)
  • Ability to coordinate subsystem (hydraulic, lighting and powertrain) to maximize fuel efficiency

Enhanced Flexibility

  • User-friendly software allows you to modify functionality in the field
  • Telematics allow you to download new functionality remotely from the web
  • CAN based, distributed system allows modules to be added quickly to the system
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