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The Advanced Automotive Suspension Systems Report 2014 - Product Image

The Advanced Automotive Suspension Systems Report 2014

  • ID: 2752917
  • January 2014
  • 159 Pages
  • SupplierBusiness

FEATURED COMPANIES

  • Benteler
  • KYB
  • Mando
  • NHK Spring
  • ThyssenKrupp
  • TRW Automotive
  • MORE

The market for light vehicle suspension systems has been changing rapidly over the past few years as technology has enabled levels of comfort and road-holding to improve well beyond the boundaries of the compromise between comfort and safety that once effectively limited performance.

Today, as part of an integrated chassis, advanced suspension systems are a key area through which one vehicle can be differentiated from another and on which OEMs look to build the essential ‘DNA” of a vehicle.

This report examines the key market drivers in this sector and details materials considerations, increasing electricification, challenges and barriers, chassis and suspension weight reduction and suspension performance. Furthermore the report looks at kinematics & elastokinematics along with the move from active to passive suspension. The report goes on to include detailed sections on suspension element technology and dampers & shock absorbers.

The report also includes an appendix of 28 supplier profiles from suppliers of automotive batteries. These profiles provide you with relevant data on corporate strategy, investments, product offerings and contact information.

FEATURED COMPANIES

  • Benteler
  • KYB
  • Mando
  • NHK Spring
  • ThyssenKrupp
  • TRW Automotive
  • MORE

Introduction

Key market drivers
- Increasing degrees of electrification
- - Efficient handling of multiple voltage architectures
- Greenhouse gas emissions and fuel efficiency
- - The European Union
- - The United States
- - Japan
- - China
- - Other countries
- Weight reduction and materials
- Competition and cost

Suspension technology development
- Moving from passive to active suspension
- Suspension systems
- - Rigid axle suspension
- - Semi-rigid axle suspension
- - Independent suspension systems
- - Strut-type suspension systems
- - Front suspension market development
- - Rear suspension market development
- Spring systems
- - Leaf springs
- - Torsion bar springs
- - Composite springs
- - Titanium springs
- - Hydropneumatic spring systems
- - Pneumatic springs
- - Electronic spring systems
- - Electrical active body control (eABC)
- - Wheel, body, and roll damping (ASCA)
- Dampers/shock absorbers
- - Vibration dampers or shock absorbers
- - Amplitude Selective Damping
- - Gas charged shock absorbers
- - Position Sensitive Damping
- - Dynamic Ride Control
- - BWI’s manual selectable ride
- - BWI’s Bi-State real time damping system
- - Adaptive damping
- - Frequency Dependent Damping (FDD)
- - Tenneco’s Continuously Controlled Electronic Suspension (CES) and Kinetic H2 CES system
- ZF preloaded valve and vario damper technology
- ZF Sachs Continuous Damping Control
- - Magneto-rheological damping
- Stabilisers or anti-roll systems
- Other components
- - Knuckles/Uprights
- - Ball joints
- - Bushings
- Suspension control systems
- - Kinematics and elastokinematics
- - Vertical dynamic control systems
- - Variable dampers
- - Ride comfort
- - The threshold value strategy
- - The skyhook strategy

Figures

Figure 1: Conventional suspension compromises (Body acceleration vs. Wheel load variation)
Figure 2: The extended performance envelope for fully active suspension compared to conventional passive and semi-active systems
Figure 3: Average power consumption 1990–2010 for mid size and luxury cars
Figure 4: Electrical power requirements for NEDC and actual customer requirements for various vehicle classes
Figure 5: Additional functionality requires higher voltages – 48 volts
Figure 6: Conventional suspension compromises
Figure 7: The growth of integrated functions
Figure 8: BWI’s active stabiliser bar system
Figure 9: BMW’s Dynamic Drive system
Figure 10: Additional costs entailed by tougher European CO2 legislation for a vehicle with emissions of 161g per km
Figure 11: CO2 (g/km) performance and standards in the EU new cars 1994–2011
Figure 12: The effect of alternative German proposals for CO2 reduction regulation for Europe
Figure 13: US targets for future GHG reductions (% reduction from 2005 levels)
Figure 14: Global mandatory automobile efficiency and GHG standards
Figure 15: Global passenger car and light vehicles emission legislation progress 2005–2025
Figure 16: Different weight and cost impact of increasingly lightweight material mixes
Figure 17: Areas for chassis weight reduction
Figure 18: Aluminium potential and market penetration in Europe
Figure 19: Ford Focus control blade rear suspension
Figure 20: AAM’s I-Ride suspension module
Figure 21: A schematic of active and semi-active suspension
Figure 22: A schematic showing the Mercedes-Benz Pre-Scan technology
Figure 23: Mercedes Benz’s Pre-Scan technology
Figure 24: ZF/ Levant Power’s GenShock technology
Figure 25: Rigid axle suspension configurations
Figure 26: A Ford Mustang driven rigid rear axle
Figure 27: Semi-rigid axle suspension configurations
Figure 28: Independent wheel suspension kinematic linkages
Figure 29: Independent suspension systems with 5, 4, 3, and 3 links
Figure 30: Worldwide market share of front axle types in 2005 and 2010
Figure 31: Worldwide market share of rear axle types in 2005 and 2010
Figure 32: A Mercedes-Benz M-Class front axle
Figure 33: Coil over spring configurations
Figure 34: Spring supported by a lateral suspension arm
Figure 35: Sogefi’s composite springs
Figure 36: A Nivomat unit
Figure 37: Continental’s 4-Corner air suspension system
Figure 38: Continental’s air suspension system
Figure 39: CO2 reduction through the use of pneumatic suspension systems
Figure 40: Bose’s fully electromechanical front suspension model
Figure 41: eABC schematic diagram
Figure 42: Damping sprung and unsprung mass
Figure 43: Acceleration sensitive damping
Figure 44: Audi RS5 chassis featuring dynamic ride control
Figure 45: Suspension motion sensors
Figure 46: A schematic of Tenneco’s Continuously Controlled Electronic Suspension
Figure 47: A schematic of Tenneco’s integrated Kinetic H2 CES system
Figure 48: Comparison between standard and pre-loaded valve performance
Figure 49: CDC dampers with internal and external valves
Figure 50: Graph showing the range in which CDC can continuously vary damping forces in compression and rebound
Figure 51: Cross section of a MagneRide actuator
Figure 52: The principal behind magneto-rheological fluid dampers
Figure 53: Comparison of force-velocity characteristics of a MagneRide damper, typical variable valve dampers and a passive damper
Figure 54: ZF Sach’s Active Roll Stabilisation system
Figure 55: Active stabiliser bar system schematic
Figure 56: Axle and multi-axle computer simulation
Figure 57: System configuration and sensor positions required for the skyhook strategy.
Figure 58: Skyhook strategy for variable dampers

Tables

Table 1: Weight reduction in lightweight shock absorber assemblies
Table 2: Advantages and disadvantages of electromechanical springs

- Benteler
- BWI Group
- KYB
- Magneti Marelli
- Mando
- Metaldyne
- NHK Spring
- SANLUIS Passani
- ThyssenKrupp
- Tower International
- TRW Automotive
- WABCO
- ZF

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