Active Suspension Systems: with Chassis Controls | Dorleco

Active Suspension Systems: Enhancing Ride Comfort with Chassis Controls


Vehicle dynamics, safety, and comfort have all seen substantial improvements as a result of the development of automotive technology. Suspension systems are one area that has made impressive improvement. Active suspension systems have been more popular recently because of their capacity to improve ride comfort through complex chassis controls. Traditional passive suspension systems have been in use for decades. This article gives a basic overview of active suspension systems, emphasizing their operation, advantages, and effects on the driving experience as a whole.

Understanding Suspension Systems

Any vehicle’s suspension systems, which control how the tires interact with the road surface, are an essential component. They perform a number of vital tasks:

  • Ride Comfort: Suspension systems minimize vibrations and shocks transferred to the vehicle’s occupants by absorbing and dampening the forces generated by uneven road conditions.
  • Vehicle Stability: Suspension systems aid in maintaining tire contact with the ground, ensuring the best possible traction and stability during cornering, braking, and accelerating.
  • Handling: Suspension systems have an impact on how a vehicle handles, including how responsive it is to driver inputs and how stable it is on the road as a whole.

Types of Suspension Systems

Passive and active suspension systems are the two main categories.

  • Passive Suspension Systems: For suspension, passive systems rely on fixed mechanical parts like springs and shock absorbers. They provide a simple and dependable solution but do not adjust to shifting traffic patterns or driving circumstances.
  • Active Suspension Systems: Active systems, on the other hand, use cutting-edge technology and sensors to continuously and instantly alter the suspension parameters. Active suspensions can give a superior balance of ride comfort and handling performance because of their adjustability.

How Active Suspension Systems Work?

Active suspension systems use a variety of sensors to track the motion of the car as well as outside elements including the road’s condition, the driver’s input, and the speed of the car. The central control unit receives real-time data from these sensors and modifies the suspension settings as necessary. The following are some of the essential parts and procedures of active suspension systems:

  • Sensors:  Accelerometers, wheel speed sensors, height sensors, and other types of sensors can be used as these. They continuously gather information about the movements of the vehicle and outside variables.
  • Control Unit: A centralized control unit analyses sensor data and quickly decides how to change the suspension settings.
  • Actuators: To modify the suspension’s properties, such as changing the damping rates or the ride height, electric or hydraulic actuators are utilized.
  • Adaptive Algorithms: Complex algorithms known as adaptive algorithms determine the ideal suspension settings based on input from the driver, sensor data, and predetermined performance standards. These algorithms make sure that the suspension system reacts to shifting circumstances swiftly and successfully.
Active Suspension Systems: with Chassis Controls | Dorleco
Active Suspension Systems: with Chassis Controls | Dorleco

Benefits of Active Suspension Systems

Compared to passive suspension systems, active suspension systems provide the following benefits:

  • Improved Ride Comfort: Active systems can instantly correct road irregularities, giving passengers a smoother and more comfortable ride.
  • Better Handling: These systems have the capacity to modify the suspension settings to enhance grip and stability during turns, which improves handling and control.
  • Customizable Driving Modes: Multiple driving modes are available on many active suspension systems, allowing drivers to adjust the characteristics of their cars to suit their tastes. These modes range from a relaxing “soft” mode to a sporty “firm” mode.
  • Safety: In difficult driving circumstances, active suspensions can increase vehicle stability and lower the risk of accidents.

Advantages of Active Suspension Systems

Through chassis controls, active suspension systems have many benefits that considerably improve ride comfort. These technologies are made to adjust and improve the suspension settings of a car in real time, making driving more comfortable and pleasant. Here are a few significant benefits of active suspension systems:

  • Improved Ride Comfort: Better Ride Comfort Road irregularities, bumps, and vibrations are expertly reduced by active suspension systems. They can give riders a smoother, more comfortable ride by continuously modifying the suspension parameters. This benefit stands out more on bumpy or uneven roadways.
  • Improved Handling and Stability: Active suspension systems have the capacity to dynamically change damping rates and other suspension properties. As a result, the vehicle is more stable when cornering, braking, and accelerating. The suspension can adjust to various driving situations, improving performance and safety.
  • Reduced Body Roll: By keeping the car level and ensuring that all tires have optimal traction on the road, these systems can reduce body roll during corners. This boosts driver confidence and comfort while also improving handling.
  • Customizable Driving Modes: Multiple driving modes are available in many vehicles with suspension systems, allowing the driver to select between various comfort and performance levels. For instance, a “Comfort” mode might prioritize a comfortable and smooth ride, whereas a “Sport” mode might tighten the suspension for a sportier driving experience.
  • Adaptive Response to Changing Conditions: Active suspension systems are fitted with sensors that continuously monitor a number of variables, such as the road’s conditions, the vehicle’s speed, and the driver’s input. The control unit processes this data and modifies the suspension settings as necessary. The suspension is always tuned for the current driving situation thanks to its adaptability.
  • Enhanced Off-Road Capability: Active suspension systems can be very helpful in off-road cars. In addition to improving off-road traction and articulation, they can adapt to adverse terrain to provide a smoother, more controllable ride.
  • Future Integration with Autonomous Driving: Active suspension systems are positioned to play a significant part in autonomous vehicles in the future integration with autonomous driving. They can assist in making up for a lack of human reactions and anticipation by maintaining ideal vehicle dynamics while constantly reacting to shifting road circumstances.
Active Suspension Systems: with Chassis Controls | Dorleco
Active Suspension Systems: with Chassis Controls | Dorleco

Disadvantages of Active Suspension Systems

While suspension systems have many benefits for improving ride comfort and driving performance, they also have significant drawbacks and difficulties. When assessing the installation of such systems, it’s critical to take into account the following disadvantages:

  • Cost: Compared to conventional passive suspensions, suspension systems are more complex and technologically advanced. Due to the greater manufacturing and maintenance expenses caused by this complexity, active suspension-equipped automobiles are more expensive to buy and maintain.
  • Reliability Concerns: Active suspension systems are dependent on a large number of sensors, control units, and electrical parts. Any of these parts going bad can result in suspension issues and possibly a worsened ride quality. It is essential to guarantee these systems’ dependability.
  • Weight: The vehicle’s active suspension parts, including the sensors, actuators, and control units, are heavier. Even while improvements in materials and design have somewhat lessened this problem, the extra weight can still have a negative impact on handling and fuel economy.
  • Complexity for Do-It-Yourself Repairs: Active suspension systems can be challenging for car owners who enjoy working on their own repairs and customizations. DIY updates and maintenance on these systems are more challenging, if not impossible, due to their complexity.
  • Limited Availability: Active suspension systems are still optional and frequently found only in more expensive or luxurious versions. Because of this restricted accessibility, many drivers are unable to take advantage of suspension systems’ advantages.
  • Adaptation Delay: Active suspension systems are intended to quickly react to shifting road conditions, however, there may be a little delay in their response. The system’s capacity to react to sudden, unforeseen risks or barriers may be hampered by this delay.
  • Potential for Less Tactile Sensation: According to some auto enthusiasts, active suspension systems have the potential to give drivers less tactile sensation through the steering wheel and chassis. For individuals who prefer spirited driving, this could make it harder to feel connected to the road, making driving less fun.
Active Suspension Systems: with Chassis Controls | Dorleco
Active Suspension Systems: with Chassis Controls | Dorleco


In conclusion, active suspension systems represent a remarkable advancement in automotive technology, offering a range of benefits that significantly enhance ride comfort and vehicle performance through chassis controls. These systems are designed to adapt and optimize suspension settings in real-time, providing a smoother, safer, and more enjoyable driving experience.

The advantages of suspension systems include improved ride comfort by minimizing the impact of road imperfections and vibrations, enhanced handling and stability, reduced body roll, customizable driving modes, adaptive responses to changing conditions, decreased noise and vibration in the cabin, increased traction and safety, and even the potential for longer tire life. Furthermore, these systems are well-suited for off-road applications and hold promise in the context of autonomous driving.

However, it’s important to acknowledge the disadvantages and challenges associated with suspension systems, including their higher cost, maintenance complexity, reliability concerns, added weight, limited availability, potential for over-complication, energy consumption, adaptation delay, and the perception of reduced feedback for driving enthusiasts.

Ultimately, the adoption of active suspension systems should be considered carefully, taking into account the specific needs and preferences of both automakers and consumers. As technology continues to advance, active suspension systems are likely to evolve and become more widespread, further enhancing the driving experience and setting new standards for ride comfort and chassis control in the automotive industry.






Tags: No tags

Add a Comment

Your email address will not be published. Required fields are marked *