试验表明,控制系统的稳定可靠,能够达到借助电力线实现载波控制的目的。
The test results show that the control system is stable and reliable, and meets the requirement of carrier control with power line.
本文结合载波控制理论对叶轮给煤机控制系统进行了研究,实现了马头发电总厂叶轮给煤机远方程序控制系统。
This paper has researched control theory of the rotary vane wheel integrated the control theory of carrier wave, realized remote program control of the rotary vane wheel in MaTou electric power plant.
无论是简单的单个远程载波监视器,灯塔接收器或是任何的生产线综合产品,客户都可以在全球任意地点进行完全的控制,并且在他们的系统上获得反馈。
Whether it is a single remote carrier monitor, beacon receiver or any combination of our product line, they will have complete control and feedback of their system from anywhere in the world.
只要恰当地控制粒子束的照射时间,该恒星将有效地成为一台调频电台——以“造父变星”的脉冲为基础载波向宇宙广播。
Time the beam right and the star could be turned, in effect, into an FM transmitter-broadcasting to the universe on the underlying carrier-wave of the Cepheid's pulsation.
有线遥控是通过专用电缆或动力线作为载波体,对信号用调制解调器传输方式,达到只用少量通道即可实现控制的方法。
Wired remote control is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.
本文研究了智能家居系统的结构和工作原理,介绍了X10电力线载波技术的关键部分,并在此基础上设计了网络控制器。
This paper presents the structure and principle of intelligent home system. It introduces the pivotal parts of X10 communication technology, and give the design of controller based on it.
首先,论文提出了一种基于低压电力线载波技术的总线式控制网络。
Firstly, this paper advanced a control system based on the low-voltage power line carrier.
模拟结果表明,该方法比一般的载波干扰比功率控制方法性能更优,可获得更低的误码率和更高的信道容量。
Compared with conventional power control method utilizing carrier to interference ratio, the simulation results show that it can achieve lower bit error ratio and higher channel capacity.
在智能家居控制系统中有很多种信号传输方式,在电力线载波方式中应用X-10协议进行信号传输是最先进也是最实用的一种。
The signal transmitted methods have many kinds in smart-house control system, using X-10 protocol transmitting signal in power-line carrier wave application is most advanced and practicality method.
基于分析的结果,提出了一种新的载波pwm控制方法,并详细讨论了这种方法的原理,仿真及DSP数字实现。
A novel carrier-based PWM method utilizing control freedom degree (CFD) is proposed. The principle, simulation and DSP implementation of the method are discussed in detail.
本文重点对载波层叠和空间矢量PWM控制方法进行了研究。
This dissertation researched on carrier disposition and space vector PWM control method of three-level NPC inverter.
控制策略有阶梯波法、载波相移法和电压空间矢量法等。
There are many control strategy, such as stair waveform, carrier phase shift, voltage space vector and so on.
无线自组网的介质访问控制(MAC)协议是与物理层密切相关的,大多数MAC协议都要求物理层具备载波感知能力。
The media access control (MAC) protocol of mobile Ad Hoc networks (MANETs) is closely-related with its physics layer, most MAC protocols request the capability of carrier sense in physical layer.
最后,在现有的分析及论证的基础上,建立了一个车间级分布式电力线载波通信控制子系统硬件组成模型。
Finally, with analysis and argumentation, this thesis attempts to construct a model of the hardware compositions of the workshop-level distributed power line carrier communication control subsystem.
幅度调制是用调制信号去控制载波的振幅,使其随调制信号线性变化,而保持载波的频率不变。
Amplitude modulation is to control the amplitude of signal carrier and make it change linearly with modulation signals and maintain its frequency.
其次,论文研究了基于三角载波移相SPWM控制方法的拓扑扩展。
In the second place, paper researches the topology extends based on Triangular carrier phase shifting SPWM technique.
利用一个自适应控制器跟踪信息信号的误差对产生混沌载波的发射系统进行参数调制。
The parameter of the transmitting system procreated chaotic carrier is modulated by errors from an adaptive controller and information signal.
本发明涉及到工业控制领域,尤其涉及到一种运用电力线载波通讯模块传递报警信息的气体检测报警系统。
The invention relates to the field of industrial control, in particular to a gas detection alarm system using power line carrier communicating module to transfer alarm information.
在此基础上,研究了多电平逆变器的各种PWM控制方法,并对三电平逆变器的载波pwm方法进行了详细介绍。
Based on this, the thesis also researches PWM control methods of multi-level inverter and introduces the carrier PWM method of three-level inverter in detail.
针对多重化的背靠背四象限变流器,采用了载波移相控制与改进的SPWM调制相结合的方法,减小了电流谐波,提高了功率交换能力。
For multiple back-to-back four-quadrant converter, a modified SPWM technique is combined with carrier phase-shifting control, which reduces current harmonic and enhances power exchange ability.
实验表明,这一方案能够控制光WDM通信系统中的载波频移。
The results of experiments have shown that the design can control well the frequency drift in optical WDM systems.
电力线载波技术分为两类,一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。
There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
SC1128 扩频通信芯片和AT89C51单片机为核心,结合网络通讯和电力载波技术的远程控制技术的应用。
The system works with SC1128 signal rush and AT89C51 single chip to kernel. With net communication and electric carrier technology to complete control long-distance machine.
PL3105是为智能控制设计的电力线通信专用芯片,具有8051指令兼容的高速微处理器、直序扩频的载波通信等强大功能。
PL3105 is an intelligent control ASIC chip of powerline communication. It has 8051 compatible MCU instructions and direct sequence spectrum carrier communication.
级联型多电平变频器控制策略除了采用载波相移PWM技术外,阶梯波算法也是一种比较好的控制策略。
The carrier shifted-phase PWM technique can been used in cascade multilevel inverter, in addition, the step waveform strategy is good strategy, too.
试验结果表明,由SSCP300芯片制作的网络节点控制器,通过电力线载波扩频技术进行数据传输是完全可行的,也是十分可靠的。
The experiment shows two Node Controller which is mainly composed of chip"SSC P300" can communicate with each other , which is feasible and reliable .
基于模糊逻辑控制的数字锁相环,用于通信系统中的载波恢复。
Digital phase lock loop base on fuzzy logical control, which is used to recover carrier in communication system.
设计了1种在单片机AT89C51控制下运行的、利用电力线载波发射控制信号的节电控制系统。
This paper presents an electricity-saving system controlled by Single chip Microcontroller AT89C51 and power line signal carrier.
控制策略选用的是同相载波层叠调制,并且利用DSP的EPWM模块进行了数字化的实现。
Phase disposition modulation is selected as control strategy, which is digitally realized by EPWM module of DSP.
控制策略选用的是同相载波层叠调制,并且利用DSP的EPWM模块进行了数字化的实现。
Phase disposition modulation is selected as control strategy, which is digitally realized by EPWM module of DSP.
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