Review on Seat Suspension System Technology Development

Abstract

This review will focus on the necessity for developing seat vibration control systems as a part of manufacturers’ investigation into finding innovative methods to increase the comfort and safety of the vehicles’ drivers. Operators of either on-road or off-road vehicles are regularly subjected to an extended variety of various vibration levels, especially at low frequencies. Considering that exposure to such vibration in long term has some damaging effects on driver’s health, many comprehensive investigations have been carried out and researchers have proposed several measures for estimating discomfort and the suitability of various vehicles’ seats such as those of trucks, cars and agricultural vehicles in operating condition. Active, passive and semi-active suspension systems are employed in vehicle seats to alleviate the harmful and damaging effects due to the transmitted vibration to the human body. In order to improve riding comfort, the operator’s body displacement and acceleration must be reduced. According to the research, active suspension control systems are the best choice to reduce the transmitted vibration to the drivers’ body and provide the best ride comfort in comparison with passive and semi-active systems.

Review on Development of High-Static–Low-Dynamic-Stiffness Seat Cushion Mattress for Vibration Control of Seating Suspension System

“…Our group has started working on the vibration control of seating systems since 2016 [16,[69][70][71][72]. The major work was to identify the lumped mass-spring-dashpot model parameters of the combined driver and seat system in an IVECO truck (Acco 6x4 Euro 5 Dual Control).…”

“…The identified parameters were used for the design of vibration control of the driver and seating system. The PID, fuzzy PID, and state feedback H-infinity controllers were designed and applied to the active vibration control actuator of the seating suspension structure in [16,70]. An analysis of the parameter sensitivity of a 5-DOF model-based Monte Carlo simulation was performed [70].…”

“…The PID, fuzzy PID, and state feedback H-infinity controllers were designed and applied to the active vibration control actuator of the seating suspension structure in [16,70]. An analysis of the parameter sensitivity of a 5-DOF model-based Monte Carlo simulation was performed [70]. The relevant active vibration control of the seating system was simulated in the Simulink software [70].…”

“…An analysis of the parameter sensitivity of a 5-DOF model-based Monte Carlo simulation was performed [70]. The relevant active vibration control of the seating system was simulated in the Simulink software [70].…”

A Systematic Literature Review of Various Control Techniques for Active Seat Suspension Systems

“…Our group has been working on the active vibration control of a seating system since 2016 [31,111]. A 5-DOF seat-occupant biodynamic model was developed and applied in vibration control simulation research [67].…”