Yoshiki Sakuma
SCIENTIFIC ANALYSIS ENGINEERING DEPARTMENT,
AISIN CORPORATION
Abstract
In the automotive industry, drive motors are required to improve fundamental performance characteristics such as "high efficiency," "compactness and lightweight design," and "low cost." On the other hand, demand for "high acoustic quietness" as an added product value is also increasing. Against this background, both hardware and software approaches to NV reduction technology are being actively researched and developed. "Skewing technology" has attracted attention as a promising method capable of significantly reducing electromagnetic force. However, trade-offs such as reduced torque performance and increased cost remain problematic.
This presentation introduces a design case study that optimized both the "skew angle" and "air gap shape" to realize both high performance and NV reduction.
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