The concerted control strategy of rectifier and inverter is analyzed to keep high modulation degree of SPWM, which achieves quick response and high resolution of excitation voltage regulation.
重点分析了整流器和逆变器的协调控制策略，始终保持SPWM高调制度，达到励磁电压调节的快速响应和高分辨率。
According demands to pull production and supplication and to reduce stock sweeping, Just in Time (JIT) management will be an important strategy for quick response logistics system.
准时制管理(JIT)的原理是根据需求拉动生产和供应，降低库存积压，是实现快速反应物流系统正常运行的重要策略。
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