Review Article

The Evolution of Vehicle Pneumatic Vibration Isolation: A Systematic Review

Table 3

Summary of pneumatic seat suspension systems.

ReferencesTypeInnovationSummary

[158]PatentVehicle seat with a device for controlling a pneumatic suspension systemThe design comprises a directional-control valve that regulates airflow to and from the air spring
[159]PatentSeat suspension assemblyThe pneumatic seat suspension, comprises upper and lower support members (connected with scissors linkages), a pneumatic spring, a height adjuster, a dump valve, and a safety rollover valve which ensures air is released from the pneumatic spring to lower the seat position when it approaches an angle of about 80 degrees from the horizontal
[160]PatentSeat suspensionThe system comprises a hydraulic bag with a valve orifice, a partially filled reservoir with lower and upper orifices, and a baffle to impede flow
[161]ArticlePosition control of seat suspension with minimum stiffnessGenerated control criteria considering the position and velocity variability in operating an immanently unstable “negative” stiffness mechanism
[162]ArticleAnalysis of vibro-protection characteristics of pneumatic relaxation seat suspension with the capability of vibration energy recuperationThe system comprised a pneumatic motor recuperator activated by using airflow from one additional volume to another installed in air piping between additional volumes
[163]ArticleVibration control of an active horizontal seat suspension with a permanent magnet synchronous motorThe system describes the control design of an active horizontal seat suspension with an electromagnetic actuator
[164]ArticleA novel negative stiffness magnetic spring design for vehicle seat suspension systemThe system employs a couple of columnar magnets to design a negative stiffness magnetic spring (NSMS)
[165]ArticleA systematic literature review of various control techniques for active seat suspension systemsThe study proposed a predictive model controller for active vibration control of seating suspension systems
[166]ArticleA comparative study of transmissibility factors of traditional and pneumatic dumper seats using one-third octave band analysisThe study presented an analysis of seat vibrations of two different types of dumpers in opencast mines