
The types of driving systems are: 1. Wheeled; 2. Half-track; 3. Full-track; 4. Wheel-track hybrid. The working principle of the driving system is: fuel burns in the engine cylinder, causing the gas inside the cylinder to expand rapidly, pushing the piston to move and generating power. The power is output from the engine, transmitted through the clutch, gearbox, drive shaft, main transmission, differential, half-shaft, and driving wheels to propel the vehicle. The functions of the driving system are: 1. To receive the torque transmitted from the transmission system and generate the traction force of the road on the vehicle through the adhesion between the driving wheels and the road surface; 2. To transmit and bear the reaction forces and moments from the road surface acting on the wheels in various directions; 3. To support the total mass of the vehicle; 4. To cushion impacts, ensure smooth driving, and reduce vibrations.

In my years of car repair, I've seen various types of suspension systems. Independent suspension is the most common, such as MacPherson struts which are widely used in sedans due to their simple structure, low cost, and easy , though they have slightly more body roll during cornering. Double wishbone suspension is often found in sports cars, providing more stable handling and being suitable for aggressive driving. Non-independent suspensions like torsion beams are economical and used in most budget cars, being structurally robust but affecting comfort. Multi-link suspension is commonly used in mid-to-high-end cars, offering flexible tuning and high comfort. Air suspension is now popular in luxury cars, allowing for height adjustment and stiffness tuning to improve adaptability. Different systems affect how the car feels to drive; for example, non-independent suspensions feel bumpier on rough roads, while independent ones offer smoother cornering. The choice depends on usage: independent suspensions are comfortable for city commuting, while non-independent ones are durable for off-roading. Suspension design affects tire wear and ride experience, and modifications should match vehicle weight and road conditions to prevent damage to other components.

As a car enthusiast, the variety of suspension systems is incredibly fascinating. They are broadly categorized into independent and non-independent suspensions. Independent suspensions like the MacPherson strut feature a simple control arm structure, making them ideal for most family cars; double-wishbone suspensions excel in performance vehicles, offering precise steering response and stability. Non-independent suspension types such as torsion beams are simple, durable, and cost-effective, commonly used in entry-level models. Innovative designs like multi-link systems allow for multi-angle adjustments, enhancing the balance between comfort and handling. Modern trends also include active electromagnetic suspensions, like the one found in the Model S, which can adjust in real-time to reduce vibrations—super cool. Different systems significantly impact racing, off-roading, or city driving. For example, hardcore off-roaders use solid axle suspensions for toughness, while urban SUVs favor independent air suspensions with intelligent height adjustment. Paying attention to suspension systems deepens your understanding of a car's dynamics, such as how suspension stiffness affects G-force control during turns and tire grip. Upgrading with anti-roll bars or springs can optimize performance during modifications.

In my daily driving, I pay attention to how the suspension system affects comfort. Common types include independent suspensions like MacPherson struts and double-wishbone suspensions. The former is widely used in most family cars, offering a smooth ride with less bumpiness; the latter provides better stability at high speeds. Non-independent suspensions, such as torsion beams, are common in budget cars but tend to feel more unstable and uncomfortable on rough roads. Nowadays, air suspensions are popular in luxury models, as they can automatically adjust height to suit different road conditions. Additionally, multi-link systems are often used in high-end vehicles to enhance ride comfort. These types determine whether the car feels stable and quiet—for example, independent suspensions offer better support during high-speed cornering, while non-independent ones are prone to unusual noises on uneven terrain. For daily use, I recommend choosing a car with an independent suspension, as it benefits both family comfort and seat support. During , be sure to check if the shock absorbers and springs are aging to avoid compromising driving safety.

While working at an automotive factory, I came into contact with new designs for the running gear system. The core types include suspension systems, which are divided into independent and non-independent categories. Independent suspensions, such as the MacPherson chassis with lightweight design, are suitable for electric vehicles to reduce energy consumption; the double-wishbone type offers precise handling and is favored by high-performance cars. Non-independent torsion beam structures are simple and cost-effective, commonly used in compact models. Innovations like active suspension systems use sensors for real-time adjustment, such as magnetorheological technology with fast response to enhance driving comfort. The modern automotive trend integrates electronically controlled air suspensions that can automatically adjust height based on road conditions, widely used in electric vehicles like for energy efficiency. Different running gear systems have distinct applications—intelligent suspensions are labor-saving for urban commuting, while non-independent solid axles are robust and durable for off-road scenarios. Maintenance recommendations include using digital diagnostics to optimize tire matching and prevent excessive wear.

Having designed driving systems for many years, the core types in include independent and non-independent suspensions. Independent suspensions like the MacPherson design are widely used and cost-effective; double-wishbone suspensions offer superior sports performance and reduce body roll; multi-link suspensions provide extensive tuning space and strong comfort, commonly found in high-end vehicles. Non-independent suspensions like the torsion beam are simple, durable, and widely used in economical models. Modern developments include air suspensions and electronic control systems that adjust hardness in real-time to enhance adaptability. These systems affect vehicle dynamics, such as different suspension stiffness leading to varied handling reactions during turns or acceleration, resulting in different tire wear rates. Choosing a system requires balancing cost and performance, such as luxury car owners opting for air suspensions while family cars use independent suspensions. Maintenance tips include regular checks on springs and shock absorbers to ensure safety.


