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the closed loop control system
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  闭环控制
     The module of pressure measure control circuit and the module of rotation speed measure control circuit based on the microcontroller P89C51RD2 are designed. The closed loop control system of pressure and rotation speed which are two key parameters of inertia friction welding is achieved.
     设计基于P89C51RD2单片机的摩擦焊机压力及转速两个测控电路模块,实现对惯性摩擦焊过程关键参数压力及转速的闭环控制
短句来源
     According to the technological requirements, the closed loop control system models of automatic feeding and dynamoelectric control gap are built based on PID control principle.
     按照系统的技术要求,基于PID控制原理搭建自动喂料和电动闸距闭环控制模型。
短句来源
     After linearizing the induction motor's mathematical model by feed back linearization method in the hypothesis of knowing the parameters and observing the rotor flux precisely as well as getting the input expression of the system,the paper gives the closed loop control system and its diagram. Experimental results show that the method is satisfied.
     针对具有电流内环的感应电机调速系统,在感应电机数学模型各参数精确已知及转子磁通可准确观测的前提下,用反馈线性化的方法对其进行线性化,得出了控制输入量,在此基础上构成闭环系统,给出了系统的闭环控制框图,实验结果表明该控制方法是令人满意的。
短句来源
     This paper focuses on the method of signal processing of digital closed loop fiber optic gyros (FOG), and gives a detailed analysis. It points out how the closed loop control coefficients A and K , which influence the closed loop control system. At the same time it studies how to realize the digital closed loop control system based on FPGA and the design of FPGA software adopting VHDL language.
     着重对全数字闭环光纤陀螺的信号处理方法进行了详细的分析,指出了闭环控制系数A和K对闭环控制的影响,同时研究了基于FPGA的数字闭环控制系统实现方法以及采用VHDL语言进行FPGA软件设计的优点,并给出了基于FPGA设计的光纤陀螺的实验结果。
短句来源
     The closed loop control system is used in the circuit. The PZT is employed to generate displacement. The error of output voltage is less than 0 1% and the error of phase shift less than 3 degrees.
     该相移器由计算机通过D/A接口板自动控制输出电压幅度,其电路采用闭环控制,位移由压电晶体产生,具有很高的电压稳定度(01%)和较小的相移误差(小于3°)。
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  闭环控制系统
     Downward signaling technique for the closed loop control system of hole trajectory
     井眼轨迹闭环控制系统的信号下传技术
短句来源
     Both theoretical analysis and numerical example show that the closed loop control system possesses not only the desired residence probability characteristic but also the robustness to system modelling error.
     理论分析及数值算例表明,闭环控制系统不仅具有期望的滞留概率特性,而且对系统建模误差也具有一定的鲁棒性。
短句来源
     In order to reduce harmful gas emission of the LPG engine410 8,the closed loop control system of equiv-alent air fuel ratio and the three-way catalyst converter offered by CIC company are used.
     为降低4108LPG发动机有害气体排放量,采用了CIC公司提供的当量空燃比闭环控制系统、三效催化转换器净化排气。
短句来源
     Economic evaluations show that the closed loop control system has a promise application prospect in boiler combustion optimization.
     对若干电厂的经济性评估分析表明,闭环控制系统在电站锅炉燃烧优化中有很高的应用前景和推广价值。
短句来源
     The functions of the closed loop control system for combustion optimization are illuminated,as well as key points in its implementation. Several kinds of relevant commercial software are also compared.
     详细说明了燃烧优化闭环控制系统的功能和实施关键点,并对几种商业软件进行了比较。
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  “the closed loop control system”译为未确定词的双语例句
     The Closed Loop Control System of the H_2/N_2 Ratio for Synthetic Ammonia by Single-baord-rocomputer
     合成氨H_2/N_2比单板计算机闭环调节系统
短句来源
     Moreover,a list of optimum parameters σ_(max),T/T_(3(),K_(N+1) T_3()~N had been included to make the optimal design of the closed loop control system easier.
     为了在工程设计中应用方便,文中还给出了二至六阶无静差的σ_(max),T/T_(?) ,K_(N+1)T(?)
短句来源
     In order to implement high accuracy automatic machining at low cost an economical high accuracy control method and the closed loop control system for NC machine tools are presented.
     为实现低成本高精度自动化加工,提出了数控机床的经济化高精度控制方法和基于该方法的闭环驱动控制系统。
短句来源
     Utilizing the linearity peculiarity of the exciting current of magnetic powder brake and brake moment,the closed loop control system is designed.
     利用磁粉制动器的励磁电流与制动力矩成线性关系这一特性 ,设计了闭环张力控制系统 .
短句来源
     By analysing the characteristics of the closed loop control system, the effect of Servo-Hydraulic TMD on the tall structures is investigated and numerical result is obtained.
     以实际电液伺服TMD作为实例,并经过一些工程上的简化,用控制论的方法从开环传递函数求得闭环的特性,通过对闭环特性的探讨,从而可以初步分析得出高耸结构在加上电液伺服式TMD后的效果。
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  the closed loop control system
The closed-loop control system of the VOA should be avoided to operate within this deadzone.
      
To be able to study the shear layer receptivity, the closed-loop control system is used to suppress the resonant mode.
      
Of primary importance is the stability of the closed loop control system.
      
Moreover, the stability of the closed-loop control system can't be guaranteed.
      
In this situation, stability of the compliant motion control is assured for small restrictions on the parameters of the closed-loop control system.
      
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In this paper,by using “the fastest response method”,A formula for the design of N≥2 order astatic sampled data control system is proposed.It was shown that for a class of closed loop control systems with a given maximum step response overshoot σ_max,the optimum ratio T/T_(3())(T is the sample period,T_(3()) is the equivalent time constant of the controlled object)could be found,and thus the error coefficient K_(N+1) of corresponding order systems could be obtained with the result of achieving a fast and accurate...

In this paper,by using “the fastest response method”,A formula for the design of N≥2 order astatic sampled data control system is proposed.It was shown that for a class of closed loop control systems with a given maximum step response overshoot σ_max,the optimum ratio T/T_(3())(T is the sample period,T_(3()) is the equivalent time constant of the controlled object)could be found,and thus the error coefficient K_(N+1) of corresponding order systems could be obtained with the result of achieving a fast and accurate system.Moreover,a list of optimum parameters σ_(max),T/T_(3(),K_(N+1) T_3()~N had been included to make the optimal design of the closed loop control system easier.

本文利用“最小响应法”给出了 N≥2阶无静差采样控制系统的设计公式.作者指出:对于某类闭环控制系统,在给定阶跃响应最大超调量σ_(max)的条件下,可以找出最佳比值T/T_(T 为系统的采样周期,T_(?)为对象的不便克服的等效小时间常数之和),使系统获得相应阶最大误差系数 K_(N+1),从而可使系统达到快速精密的控制指标。为了在工程设计中应用方便,文中还给出了二至六阶无静差的σ_(max),T/T_(?),K_(N+1)T(?)最佳参数组,使得这类闭环控制系统的设计最佳化和简易化.

This paper presents two methods for synthesizing discrete optimal regulator with disturbance inputs. Under step disturbances, the closed loop control systems synthesized by these methods have X(k) = 0 and (?)X(k) = 0 when k→∞, where X(k) is the state vector of the control system and symbol "(?)" represents the difference operator.

本文介绍两种有扰动输入的离散最优调节器综合方法,用它们综合的最优调节器能保证闭环控制系统在阶跃扰动作用下,当k→∞时X(k)=0且△X(k)=0。这里X(k)是被控系统状态的向量,符号“△”表示差分算子。

An aeroengine model can be identified from actual closed-loop engine test data if pseudorandom binary sequence as test signal acts on feedback circuit of the closed-loop control system. The fuel flow excited by PRBS is the input signal of the engine identification and the speed is the output. The model parameter values are consistent and unique estimation when burning delay of the engine burner is.This paper presents the identification test method that has been applied to...

An aeroengine model can be identified from actual closed-loop engine test data if pseudorandom binary sequence as test signal acts on feedback circuit of the closed-loop control system. The fuel flow excited by PRBS is the input signal of the engine identification and the speed is the output. The model parameter values are consistent and unique estimation when burning delay of the engine burner is.This paper presents the identification test method that has been applied to Spey MK202 engine at the testbed and discusses the test signal analysis method that has been implemented at data processor. The model parameters of engine have been identified by use of Hsia method. The model examination shows that the result obtained with this method is satisfactory.

本文介绍了在航空发动机闭环控制系统的反馈通路上施加伪随机试验信号时,对发动机模型参数进行辨识的方法。同时还介绍了对辨识试验所录取信号的相关分析与谱分析,以此来证明所录取信号的正确性。在用Hsia法进行辨识处理后得到了发动机的数学模型。最后通过对模型的验证表明辫识结果是满意的。

 
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