| 任金莲,张明铎,牛勇.功率超声设备频率振幅自动控制研究[J].,2003,22(1):31-34 |
| 功率超声设备频率振幅自动控制研究 |
| Automatic control of frequency and amplitude in power ultrasonic equipment |
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| 中文摘要: |
| 本文根据差动变量器桥式电路补偿电学臂的原理,采用锁相环(PLL)及模拟乘法器等技术,进行功率超声设备频率振幅自动控制。结果表明,这种控制方法具有频率跟踪范围宽、负载适应能力强及系统性能稳定等功效。 |
| 英文摘要: |
| According to the principle of compensating a leg of circuit by a hybrid bridge circuit , a method for automatically controlling of the frequency and amplitude in a power ultrasonic equipment is proposed , in which the technologies of phase-locked loop (PLL) and analog multiplier are used. It is shown that the controlling method has a wider range of frequency tracking and it makes the equipment a wider range of load fluctuation and a steady working condition . |
| DOI：10.11684/j.issn.1000-310X.2003.01.008 |
| 中文关键词: 功率超声 频率振幅 自动控制 |
| 英文关键词: Power ultrasonics Frequency and amplitude Automatic control |
| 基金项目:国家自然科学基金资助项目(19974022) |
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