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 Home » Engineering Services » Suspension Development » Closed-Loop Vehicle Dynamics Optimisation » Subjective Evaluation


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Subjective Evaluation

Subjective tuning techniques remain the cornerstone of ride, handling and steering development as final approval of a vehicle's performance is always conducted by an expert driver on the road.

Multimatic has a team of highly respected and industry-renowned vehicle dynamics experts comprising both road and race development engineers. With years of experience in developing various classes of vehicles including sports cars, sedans, SUVs, trucks and competition vehicles, Multimatic's engineers are familiar with tuning for a wide range of markets including Europe, North America and the Far East.

Subjective evaluations are typically carried out using various segment representative road routes and closed course proving ground facilities. Multimatic engineers are familiar with all industry standard assessment and rating systems and most OEM's specific subjective rating scales and terminology. As vehicle dynamic performance targets are often based on the requirements of the vehicle's market segment, Multimatic's experts drive the vehicle (with data acquisition and instrumentation) through numerous pre-set manoeuvres for ride, handling and performance characterisation, allowing them to compare data to benchmark and established targets. Analysis of acquired subjective and objective data is used to refine computer models and improve correlation of subjective evaluation with simulation and lab testing results.

Subjective evaluation will always remain a crucial discipline in the development of any vehicle's suspension and Multimatic is able to offer its expertise and experience in this area to ensure that all customer vehicle dynamic targets are met.

Multimatic's world-renowned development drivers have experience in the subjective evaluation and tuning of various classes of vehicles including sports cars, sedans, SUVs trucks and competition vehicles.

Subjective testing includes:   Subjective testing offers:
  • testing conducted on an appropriate mixture of public roads and closed course proving grounds to evaluate:
  • primary ride
  • secondary ride
  • on-centre steering response, feel and precision
  • off-centre steering response, feel and precision
  • handling characteristics including:
  • steady state balance
  • transient performance
  • roll control
  • lane change performance
  • instrumented testing to generate objective vehicle performance measurables to help quantify subjective ratings and pinpoint the root cause of specific problems
  • competition vehicle tuning using closely coupled driver/engineer teams
  • overall NVH assessment
  • assessments based on industry standard and OEM specific rating systems and terminology
 
  • direct assessment of all aspects of ride, steering, and handling performance against the tuning goals defined by customer targets and market segment requirements
  • relative comparison of a vehicle's ride and handling performance to in-class competitors and targets (utilizing a comprehensive database of performance data)
  • actual performance feedback to the analytical and objective disciplines allowing refinement of these methodologies


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