The variety of transmissions available for sale today has grown exponentially in the last 15 years, all while increasing in complexity. The result can be that we are now dealing with a varied quantity of transmission types including manual, typical automatic, automatic manual, dual clutch, consistently adjustable, split power and pure EV.
Until extremely recently, automotive vehicle producers largely had two types of transmitting to choose from: planetary automated with torque converter or conventional manual. Today, nevertheless, the volume of options avaiable demonstrates the adjustments seen over the industry.
That is also illustrated by the countless various types of vehicles now being produced for the marketplace. And not just conventional automobiles, but also all electrical and hybrid vehicles, with each type needing different driveline architectures.
The traditional development process involved designing a transmission in isolation from the engine and the rest of the powertrain and vehicle. Nevertheless, this is changing, with the limitations and complications of this method becoming more more popular, and the constant drive among producers and designers to deliver optimal efficiency at decreased weight and cost.
New powertrains feature close integration of elements like the prime mover, recovery systems and the gearbox, and in addition rely on highly advanced control systems. This is to make sure that the best degree of efficiency and performance is delivered all the time. Manufacturers are under improved pressure to create powertrains that are brand new, different from and better than the last version-a proposition that’s made more technical by the necessity to integrate brand components, differentiate within the market and do everything on a shorter timescale. Engineering groups are on deadline, and the advancement process needs to be better and fast-paced than previously.
Until now, the use of computer-aided engineering (CAE) has been the most typical way to develop drivelines. This technique involves parts and subsystems designed in isolation by silos within the business that lean toward confirmed component-level analysis tools. While these are highly advanced equipment that enable users to extract very dependable and accurate data, they are still presenting data that is collected without consideration of the whole system.
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