Mazda Motor Corporation reduces development lead times on its electronic control technology thanks to PAM-CEM
The introduction of PAM-CEM has allowed us to conduct very precise electromagnetic wave simulations. We believe electronic control systems will be increasingly important in the development of the cars of the future.Yasushi HamadaManager of the Electronic Testing and Research Group / Mazda Motor Corporation
The Electronic Testing and Research Group, part of the Mazda Motor Corporation Electronic Development Division, handles the Research & Development of all electrical components used in Mazda vehicles and is thus responsible for the entire electronic control technology.
In recent years, as the design of passenger cars grew more complex, with electronic control technology such as remote keyless entry and radar-based side collision warning systems, electromagnetic analysis and control became an increasingly important requirement.
The Electronic Testing and Research Group began using electromagnetic simulation on a large scale in 2002, starting with simple tools to analyze the electromagnetic field distribution of single components. Two years later, Mazda Motor Corporation expressed the need to simulate the electromagnetic field of the entire vehicle, and thus introduced a more advanced computational tool: ESI’s PAM-CEM Simulation Suite.
Managing large and complex electromagnetic simulations
Managing large and complex electromagnetic simulations dedicated techniques in Cable Networks management. For Mazda Motor Corporation, using the FDTD method instead of the Method of Moment meant that, even in large-scale simulations involving a high number of different components, they were able to cope with a huge volume of computation in a short period of time. Mazda Motor Corporation found other main benefits to PAM-CEM such as its automatic mesh generation function which allows the company to reduce the number of man hours required for a simulation and the flexibility in the ESI response to detailed requirements.
Today, Mazda Motor Corporation makes extensive use of PAM-CEM electromagnetic simulation technology specifically for radar-based side collision warning and keyless entry systems, which are difficult to simulate and measure; the two main reasons for the latter being that the direction the driver will approach the vehicle remains unknown, while the frequency used in keyless entry systems is not perfectly compatible with the car’s dimensions.
The Electronic Testing and Research Group intends to continue to improve Mazda Motor Corporation skills to contribute to the creation of better cars through electromagnetic control and I am convinced that ESI will continue to provide outstanding simulation products and technical support for the initiatives of the Electronic Testing and Research Group.Marie TsurunagaVehicle Testing Division, Electronic Testing and Research Group / Mazda Engineering & Technology Co. Ltd.,
Reducing development lead times with virtual prototyping
The PAM-CEM end value to the Electronic Testing and Research Group is virtual prototyping which helps reduce its development lead times. Indeed, in the past, it was common for car manufacturers to take up to five years to successfully design a car. Today at Mazda, one model is created in a period of eighteen months thanks to the manufacturing of a single prototype, all defects being identified at the design stage prior to the manufacturing process.
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