The variety of transmissions available in the market today is continuing to grow exponentially within the last 15 years, all while increasing in complexity. The effect is usually that we are now coping with a varied amount of tranny types including manual, regular automatic, automated manual, dual clutch, continuously adjustable, split power and genuine EV.
Until very recently, automotive vehicle manufacturers largely had two types of tranny to select from: planetary automatic with torque converter or conventional manual. Today, however, the volume of choices available demonstrates the adjustments seen across the industry.
That is also illustrated by the countless various kinds of vehicles now being produced for the market. And not only conventional automobiles, but also all electric and hybrid vehicles, with each type needing different driveline architectures.
The traditional development process involved designing a transmission in isolation from the engine and all of those other powertrain and vehicle. However, that is changing, with the limitations and complications of this method becoming more more popular, and the constant drive among producers and designers to provide optimal efficiency at decreased weight and cost.
New powertrains feature close integration of components like the prime mover, recovery systems and the gearbox, and also rely on highly advanced control systems. That is to assure 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 it all 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 utilization 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 confirmed component-level analysis tools. While they are highly advanced tools that allow users to extract extremely reliable and accurate data, they are still presenting data that’s collected without concern of the whole system.
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