The variety of transmissions available in the market today has grown exponentially within the last 15 years, all while increasing in complexity. The result is certainly that we are actually dealing with a varied number of tranny types including manual, conventional automatic, automated manual, dual clutch, continually adjustable, split power and pure EV.
Until very recently, automotive vehicle manufacturers largely had two types of transmitting to select from: planetary automated with torque converter or conventional manual. Today, nevertheless, the volume of choices available demonstrates the changes seen across the industry.

That is also illustrated by the many various kinds of vehicles now being manufactured for the marketplace. And not simply conventional automobiles, but also all electrical and hybrid automobiles, with each type requiring different driveline architectures.

The traditional advancement process involved designing a transmission in isolation from the engine and the rest of the powertrain and vehicle. Nevertheless, that is changing, with the limitations and complications of the method becoming more widely recognized, and the constant drive among producers and designers to deliver optimal efficiency at reduced weight and cost.

New powertrains feature close integration of components like the primary mover, recovery systems and the gearbox, and also rely on highly sophisticated control systems. That is to assure that the very 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 much better than the last version-a proposition that’s made more technical by the need to integrate brand components, differentiate within the marketplace and do it all on a shorter timescale. Engineering teams are on deadline, and the development process must be more efficient and fast-paced than ever before.
Until now, the use of computer-aided engineering (CAE) has been the most typical way to develop drivelines. This process involves parts and subsystems designed in isolation by silos within the organization that lean toward verified component-level analysis tools. While they are highly advanced tools that allow users to extract extremely dependable and accurate data, they are still presenting data that’s collected without thought of the whole system.

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