Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow. 采用独特的导风系统及旋转式直流电机,恒定预热风量。
During seeding, the eccentric wheel rotates driven by the direct current motor so as to spread seeds around. 当撒种时,偏心轮在直流电机的驱动下旋转,将漏下的种子撒播出去。
An eccentric wheel below the seed box is connected with a direct current motor. 种箱下方的偏心轮连在一个支流电机上。
Study on Control of Brushless Direct Current Motor for Fuel Cell Cars 燃料电池轿车用无刷直流电机控制技术研究
State Observer of Double Closed Loop Direct Current Motor System Based on Kalman Filter 基于卡尔曼滤波的双闭环直流电机系统状态观测器
The utility model relates to a voltage doubling permanent magnet brushless direct current motor for an electric vehicle requiring a peak value overload torque. 本实用新型涉及电动汽车等需要高峰值过载转矩的倍压永磁无刷直流电动机。
The permanent brushless direct current motor can effectively reduce cost and the difficulty of the assemble technology. 本实用新型的永磁无刷直流电动机可有效降低成本,减轻装配工艺难度。
Optimal Design of Direct Current Motor Stepless Speed Regulating System of Main Transmission in Machine-tool Based on the Grey Classification 基于灰色聚类的直流电机无极调速的机床主传动系统优化设计
The fuzzy case design method of permanent magnet direct current motor preliminary design scheme 永磁直流电动机初始设计方案的事例模糊设计法
Fault Detection of Brushless Direct Current Motor Inverter Based on Wavelet Transform 基于小波变换的无刷直流电机逆变器故障检测
A Better Strategy for Sensorless Brushless Direct Current Motor; Optimization and Design of Phase Holdup Capacitance Probe Using in Horizontal Oil Water Two-Phase Flow 无传感器无刷直流电机控制系统优化设计水平油水两相流相含率电容传感器优化及设计
The direct current motor provided in the utility model has unique structure and reduced process complexity, without reducing the comprehensive performance indexes of the system. 因而其结构独特,降低了制造工艺复杂度,而不降低系统综合性能指标。
Because direct current motor's governor deflection is broad, the velocity modulation characteristic is smooth. 由于直流电动机的调速范围宽广,调速特性平滑。
Through brushless direct current motor control system designing and the on-line simulation processing, hardware-in-the-loop simulation system based on dSPACE was presented. 通过无刷直流电机控制系统的设计及在线仿真过程,介绍了基于dSPACE的半实物仿真技术。
Research of LQG Control of Brushless Direct Current Motor 直流无刷电机LQG控制系统研究
A pilot study is showed with the principium of sending set and receiving set for non-wires remote control and with direct current motor's both direction control with H-bridge. 初步探讨了无线遥控发射机、接收机的工作原理和新型H桥电路对直流电机正反转的控制。
At last, the above achievements are applied to the design expert system of permanentmagnet direct current motor. 在此基础上,用C语言开发了高效的推理机。最后将本文的成果应用于永磁直流电动机设计专家系统,应用效果良好。
The paper discusses the design of double closed loop regulation system of speed and current and establishes the mathematical model of brushless direct current motor. 本文介绍了三相无刷直流电动机的速度、电流双闭环调速系统的设计。
This paper introduces the Brushless Direct Current Motor ( BLDCM) control system based on digital signal processor ( DSP) briefly at first, then introduces the concrete implementation process of the serial communication between the PC and the DSP in the system. 在简要介绍基于DSP(数字信号处理器)的无刷直流电机控制系统的基础上,重点介绍了在系统中PC机和DSP控制器之间串行通信的具体实现过程。
Devoted to overcoming the unreliability of conventional PID control, the paper introduces a Fuzzy controller designed for a substitute for conventional forward feedback control, depending on the principle of Fuzzy logic and based on research direct current motor so that definite nonlinearity is made possible. 为克服常规PID控制的不可靠性,在研究直流电机模型的基础上,应用模糊逻辑的原理设计了一个模糊控制器,替代传统的前馈控制方法,实现了一定的非线性。
Some important problems in permanent magnet direct current motor design expert system 永磁直流电动机设计专家系统几个关键问题的探讨
Direct current motor rotating in step mode is the ideal drive motor. 步进状态转动的直流马达是很理想的驱动电机。
Design of Direct Current Motor Servo System Based on FPGA 基于FPGA的直流电机伺服系统的设计
Finite-element Analysis of the Stator of Brushless Direct Current Motor 方波无刷直流电机定子振动的有限元分析
On-line identification for the parameters of direct current motor with separate excitation and adaptive control 直流他激电动机参数的在线辨识与自适应控制
Novel close-loop speed control technique for brushless direct current motor 新型无刷直流电机速度闭环控制技术
Based on the structure and basic operating principle of electric pitch control system, the servo system driven by permanent magnet brushless direct current motor ( PMBLDCM) is proposed. 通过电动变桨距系统结构及基本工作原理,研究了以永磁无刷直流电机(PMBLDCM)为动力的变桨距伺服系统。
Brushless DC ( Brushless Direct Current Motor, short named BLDCM) control system is a new type of speed control system, with a good running, control and economic performance, and it has a great development. 无刷直流电机(BrushlessDirectCurrentMotor,简称BLDCM)控制系统是一种新型的调速系统,具有良好的运行、控制及经济性能,有着巨大的发展潜力。
To promise the stability of the rev, some researches are made to the transmission system of the motor of the Rotary Deployable Antenna. The dual closed-loop control system of the direct current motor is adopted in the system. 为保证转速的稳定性,设计了回转型可展开天线的电机传动控制系统,电机传动系统主要采用了双闭环直流调速调速系统。