Traction control system
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Traction control systems help prevent wheel spin and loss of traction when accelerating or moving off from a stop. They work by applying brake pressure to slipping wheels or reducing engine torque. This allows the vehicle to make better use of available traction on slippery surfaces to maintain control and stability. The system monitors individual wheel speeds and intervenes when it detects a wheel slipping by selectively braking that wheel or reducing power to regain traction. Traction control improves safety, stability, and vehicle control on low-traction surfaces.
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Traction control system
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- 2. Traction Control Thesteerability of a vehicle is not only lost when the wheels lock up on braking; the same effect arises if the wheels spin when driving off under severe acceleration. Electronic traction control has been developed as a supplement to ABS. This control system prevents the wheels from spinning when moving off or when accelerating sharply while on the move. In this way, an individual wheel, which is spinning is braked in a controlled manner. If both or all of the wheels are spinning, the drive torque is reduced by means of an engine control function.
- 3. Traction is theforce used to generate motion between a body and a tangential surface using dry friction, for an automobile it is b/w tyre and road surface Acceleration of a vehicle is limited by two factors power of the engine and traction force between the tyre and road surface Thus it is necessary to have traction control in order to maintain the vehicle motion in adverse conditions like slippery surface or in climbing hills
- 4. Differential(1876) that givespower to wheel having more traction, it results in wheel slip but with locking it gives consistent power output. Four wheel drive(1903) that gives power to all wheels thus improves off road performance and a better traction than differential drive but has more weight. Anti lock Brake System which improve the vehicle control during braking, avoiding wheel locking.
- 5. A TCS shouldnot be confused with ABS both work on the same principle in opposite conditions. TCS apply the brakes when the wheel tries to spin and loose traction and hence increase the traction force and provides acceleration to the vehicle. An A.B.S releases the brake when wheels go into locking and provides good steering while braking in slippery surfaces Traction control is an active vehicle safety feature designed to help the vehicle make effective use of all the traction available on the road when accelerating in slippery conditions.
- 6. For a fourwheel drive vehicle T.C.S can be used with minimal modifications along A.B.S with an additional wheel slip sensor and an E.C.U to override the brake is only necessary For R.W.D and F.W.D more modifications are required in A.B.S system
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- 10. When vehicle isrunning the E.C.U module monitors the wheel speed and if any wheel enters the loss of traction it reduces the power input to that wheel
- 11. Brake applied TCSis used when vehicle is running at low road speeds it is good for wet and snow condition on road In torque managed system as the wheel slippage is sensed a signal is send by the ECU to retard ignition or partially close the throttle to reduce the power output and hence attaining the control of wheel slip
- 13. Traction control isused to achieve the following: Maintain stability. Reduction of yawing moment reactions. Provide optimum propulsion at all speeds. Reduce driver workload. Advantages Improved tractive force. Better safety and stability on poor surfaces. Less driver stress. Longer tyre life. No wheel spin on turning and cornering. Traction Control
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