February 11, 2020

All of the transmissions available in the market today has grown exponentially within the last 15 years, all while increasing in complexity. The result is definitely that we are now dealing with a varied amount of tranny types including manual, regular automatic, automated manual, dual clutch, consistently adjustable, split power and pure EV.
Until extremely recently, automotive vehicle manufacturers largely had two types of transmitting to pick from: planetary automatic with torque converter or conventional manual. Today, however, the volume of options avaiable demonstrates the changes seen over the industry.

That is also illustrated by the many various kinds of vehicles now being manufactured for the marketplace. And not merely conventional automobiles, but also all electrical and hybrid automobiles, 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. However, that is changing, with the restrictions and complications of the method becoming more widely recognized, and the continuous drive among manufacturers and designers to provide optimal efficiency at reduced weight and cost.

New powertrains feature close integration of elements like the primary mover, recovery systems and the gearbox, and also rely on highly sophisticated control systems. That is to make sure that the best amount of efficiency and overall performance is delivered at all times. Manufacturers are under improved pressure to create powertrains that are completely new, different from and much better than the last version-a proposition that’s made more complex by the necessity to integrate brand components, differentiate within the market and do everything on a shorter timescale. Engineering teams are on deadline, and the development process needs to be more efficient and fast-paced than ever before.
Until now, the use of computer-aided engineering (CAE) has been the most common way to develop drivelines. This process involves parts and subsystems designed in isolation by silos within the organization that lean toward proven component-level analysis tools. While they are highly advanced tools that enable users to extract very reliable and accurate data, they remain presenting data that’s collected without factor of the complete system.

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