In order to provide more precise angles of steering wheel and front-wheel steering, the fuzzy control, instead of conventional PI control, is employed in the position control loop.
而在控制主动式前转向系统要求较高准度的位置控制，本文为了提高位置控制正确性，於模拟前轮角度之永磁同步马达位置控制回路中加入模糊控制器。有效的改善本文PI控制的位置回路不正常现象。
For increasingly demanding of forklift performance, we also constantly explore technology of forklift trucks and successively develop following system with the world's advanced technology in order to meet the needs of different consumer groups: Synchronous steering system、Fork automatic level system、Fingertip control system、Anti-rollover control system、Fork automatic lock system、Automatic speed control system for high level cargo etc...
随着人们对叉车性能的要求越来越高，我们也在不断地对叉车技术进行探索，先后研发出了具有世界先进技术的同步转向系统、货叉自动水平系统、操作指尖控制系统、防倾翻控制系统、断电货叉自动锁定系统、货物高位车速自动控制系统等以满足不同消费群的需求。
So in order to improve ROP, the VTK vertical drilling technology of Baker Hughes was introduced. VTK is a kind of closed loop, automatic, and vertical drilling technology, made up of closedloop rotary steering drilling system AUTOTRAK, highperformance X-TREME motor and reliable MWD. It is able to return the well path back to vertical by adopting downhole microprocessors to analyze the measured deviation data and determine the proper force necessary for decreasing the deviation angle to guide the steering rib at the highside to reliably stick out against the upper wellbore.
为提高机械钻速，引进贝克休斯的VTK垂直钻井技术，它是由AUTOTRAK、高性能X-TREME马达、可靠的MWD三种技术开发出来的一种闭环自动垂直钻井技术，能够根据井眼的偏斜，经井下微处理器分析判断，使导向稳定地靠近井眼高边方向导向肋板伸出顶向上井壁，这样使钻头产生合理的降斜力，从而使井眼回到垂直轨道上来。
The technique of fixing a breakdown when the motor is out of order has been studied, that is by means of the on-off combination of an electronic clutch to drive a steering motor letting the four wheels be all reset...
研究了当电机失灵时的故障排除技术，即可通过电磁离合器的开关组合，驱动一台转向电机可使四个车轮全部复位，且仍可保持转向能力。
In addition, this text used the software SolidWorks to build the three-dimensional model of the steering pump and carry out fictitious assembly and intervention check in order to find the mistake and lack in the design in time, thereby avoiding the waste and loss of manpower, material resources, financial resources in the course of processing and assembling in the future.
此外，本文运用软件SolidWorks对转向泵进行三维实体造型、虚拟装配和干涉检查，及时发现设计中的错误与不足之处，以避免将来在加工装配过程中人力、物力、财力不必要的浪费和损失。
In order to receive the ideal steering angles of the four wheels, the front and rear steering transmission mechanisms are optimized.
以四轮转向的理想四轮转角作为优化目标，对四轮转向原理样车的前后转向传动机构进行了优化。
In order to ensure the state variables required in the process of rotary steering drilling, a control way for the stabilized platform based on state feedback system was introduced and discussed.
对稳定平台控制系统进行了研究，建立了对象数学模型，提出了应用状态反馈法的稳定平台控制方案，以确保导向钻井过程中对各状态变量的控制要求。
This is required in order to impart some turn of the front wheel for steering.
这是必需的，以便传授一些之交的前轮指导。
In order to forecast the velocity of an atomic clock accurately, it is necessary to study and design a model to calculate its velocity in the near future. By using the velocity, the clock could be used in the calculation of local atomic time and the steering of local universal time.
为了准确地预测其确切的频率变化或钟速，有必要研究建立一个可靠的预测模型，通过模型预测原子钟的钟速，以便在地方协调时的监控和地方原子时计算中采用。
In order to test the actual use conditions and conditions consistent with the experimental data so that the true and accurate reflection of the life of steering pump, so the original test method proposed in the continuous overload test to variable speed impact test.
为了使试验工况与实际使用工况相一致，使试验数据真实、准确地反映转向液压泵的使用寿命，因此提出了将原试验方法中的连续超载试验改为变转速冲击试验。
Collapsible Steering Column: In order to absorb collision energy caused by inertia bumper on steering wheel by the driver, we adopt steering column absorbing energy, which reduce injury on people by deformation.
可溃缩式转向管柱：为了吸收车辆碰撞时，驾驶员由于惯性撞击到方向盘的冲击能量，采用吸能转向管柱，靠其变形吸收能量，减轻对人体的伤害。
In order to further enhance the smoothness and comfort of the ride, the front-end dimensions a have been optimized, including a caster angle of 26° and trail of 103.5mm, contributing a bike that has great steering feeling, making the bike even more of a pleasure to ride.
为了进一步加强平滑和舒适的乘坐，前端尺寸一已的优化，包括连铸机的角度26 °和跟踪一百〇三点五毫米，有助于自行车认为，有很大的督导的感觉，使自行车更一个很高兴的旅程。
A fully differential R-MOSFET-C fourth-order Chebyshev filter employing fully differential operational amplifier, passive resistors and current-steering MOS transistors is proposed, this proposed implementation relies on the tunability of current-steering MOS transistors in the triode region acting as variable resistors in order that the cutoff frequency of the filter could be tuned continuously, the amplifier is not only with voltage common-mode negative feedback, but also with current common-mode negative feedback, which will benefit for the stability of its dc operating point, the filter whose cutoff frequency range is from 20kHz to 420kHz, demonstrates better than 65dB THD with 100kHz, 2.5Vpp input signal in Taiwan UMC 2P2M(2-Poly, 2-Metal) 0.5pm CMOS technology, the filter measures 0.36mm2, and consumes only 16mW from a single 5.0V power supply.
摘要提出了一种新的全差分运算放大器，该运算放大器在具有电压共模负反馈的同时还具有电流共模负反馈，能较好地稳定其工作点。通过利用MOS管工作在线性区便能作可变电阻之用的特性，设计实现了基于R-MOSFET-C运放的全差分频率连续调节的四阶Chebyshev低通滤波器。该滤波器采用台湾联电2层多晶硅、2层金属(2P2M)5V电源电压、0.5μm CMOS工艺生产制造。其芯片面积大小为0.36mm~2，截止频率调节范围为20kHz到420kHz，输入信号频率在100kHz，2.5Vpp时的失真小于-65dB，功耗仅为16mW。
The theories of ship steering are recapitulated and the linear differential equations are deduced. The Nomoto one/two order of linear models and Norrbin/Bech nonlinear models are discussed.
概述了船舶操纵理论，推导了船舶操纵运动线性微分方程，讨论了Nomoto一阶／二阶线性模型及Norrbin／Bech的非线性模型。
Due to the advantage of the new technology VP, in order to improve the uncompleted aspects in the traditional design of steering system of the dual-front-axle heavy trucks, the new technique is applied in the field of the heavy trucks design process.
本文从分析虚拟样机技术的特点和优势出发，针对现有双前桥汽车转向系统设计评价手段存在的不足，将虚拟样机技术引入重型汽车设计开发领域。
In order to further validate the correctness of the dual-front-axle steering system designs, the mathematical model of steering system is also built up, and analysis and calculations of some main components of the hydraulic power steering system are given. Furthermore, the virtual hydraulic system is built by use of the hydraulic module of ADAMS, accordingly, the mechanical and hydraulic systems are integrated via the two-way cylinder, which lay the foundation for mechanotronics.
为了进一步验证双前桥转向系统设计的准确性，本文接下来又建立了转向系统的数学模型，对液压助力转向系统的某些重要参数进行了分析计算，对液压系统的某些重要元件进行了选型，依照选型的结果，利用ADAMS/Hydraulics模块，建立了完整的液压系统仿真模型，实现了双前桥汽车转向系中液压系统与机械系统的耦合，为实现机电液一体化打下了基础。
In order to verify its capability and quality, the power steering gear has to be tested on the test-bed.
动力转向器的综合性能试验是检验其性能和评价其质量的重要手段。
In order to improve the performance of automobile power steering system and reduce the energy consumption of this system, the structure and operation principle of an Electro-Hydraulic Power Steering System with a motor-pump are described, and analyses of its function is carried out.
为了提高汽车助力转向系统的性能，减少系统能耗，介绍了一种采用电动泵的新型液压助力转向系统的结构与工作原理，并对其功能进行了分析。
In order to get rid of this problem, ideal shifting effect is obtained by adding steering wheel turning angle sensor and road slop identifier, introducing the informations of sloping road and curved road and adopting fuzzy logic technology to modify the double parameter shifting rule.
针对此问题，通过增加转向盘转角传感器和道路坡度辨识器，引入坡道和弯道信息，并采用模糊逻辑技术修正二参数换档规律，从而取得了理想的换档效果。
In order to evaluate the performance of wheeled amphibious vehicle during its design phase, numerical simulation was taken to simulate the amphibious vehicle's steering in the water.
为了在设计阶段评价某轮式两栖车辆的水上性能，研究了采用数值模拟的方法对轮式两栖车水中行驶进行模拟计算的可行性。