Nidec Corporation

Daisuke Mizunuma

Tomohisa Tokunaga

Shuhei Murase

A signal generation device includes a first timer to output an interrupt signal at a predetermined cycle, a second timer to output a first pulse signal and a second pulse signal, a third timer to count a number of edges of the first pulse signal and the second pulse signal, and a processor configured or programmed to perform interrupt processing to control an output mode of the second timer every time the interrupt signal occurs. When the interrupt frequency is equal to an initial value at the start of the interrupt processing, the processor is configured or programmed to perform predetermined short-period processing after performing predetermined long-period processing. When the interrupt frequency is not equal to the initial value, the processor is configured or programmed to perform the short-period processing without performing the long-period processing. The processor execute is configured or programmed to angle acquisition processing and function calculation processing as the long-period processing.

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Kyoto, Japan

Daisuke Mizunuma