This article shows how improved steering transducer technologies are helping engineers to meet ever stricter safety legislation and rising customer expectations. Safety legislation and the need for 'kerbing' tests of steering columns pushed test engineers towards proper independent torque transducers. An important question is whether a driver can generate torque to retain control of his vehicle, if its hydraulic power steering fails. The first generation of torque transducers measured quite well the relatively large torques generated by kerbing. The next step, driven by the need to increase driver comfort and refine the 'feel' of the steering system, was to add angular measurement systems. The trend towards electrical power-assisted steering (EPAS) led to a need for precise low-torque measurements. Faced with various demands, FGP Instrumentation developed a new generation of steering transducers, the FCA 7100 series, which met the following specifications: (1) simultaneous low torque and high torque measurements; (2) a compact low-mass unit; (3) very high resolution at low torque, to measure hum on EPAS systems; (4) high coefficient security, to protect test drivers; (5) built-in angle measurements; (6) insensitivity to lateral forces; and (7) easy installation on any vehicle.

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    UK and International Press

    120 South Street
    Dorking, Surrey RH4 2EU,   England 
  • Authors:
    • GOUGH, S
  • Publication Date: 1998-9


  • English

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Filing Info

  • Accession Number: 00768671
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD
  • Created Date: Sep 10 1999 12:00AM