外文翻译--国内外电动转向发展概况

附 录 General electric steering development at home and abroad Since the 1980s abroad in bus vigorously develop electric steering (EPS), has made considerable achievements in light, small cars, van widely used car, and every year with 300 million speed. With the plough in 2000 changhe automobile electric steering gear, van car installation in Chinas automobile redirector uncovers a new page in history. Due to its advantages of the steering clearly, is well received by customers welcome. First assembly of 200 electric steering trial car were soon snapped up. This years are increased production of installed electric steering car this year will reach SanWanLiuQianTai. Because the first domestic cars in the plough installed electric steering, drive the domestic electric steering develop these. To now had 10 colleges and 10 state-owned and private enterprises developing project or alone is expected to every year this product in China with 10 to 20 million speed development. Because of various aspects of electric to the study of investment, this product has come close to success, there have been some goods start loading test. In the auto electric steering product development embodies the characteristics of Chinas market economy competition, some colleges and enterprises, state, combine together, the private enterprise to battle the result of competition all aspects of accelerated development progress. Electric steering so called precise steering, which is in automotive steering process, the steering gear according to different speeds, steering wheel rotation and screw accurate offers all kinds of driving the best conditions, this is steering in computer (ECU) control to realize. Electric steering gear is under computer control of electric current implementation of the size of the change control, the realization of different steering. So it can accurately realize people at different speeds, predefined turning Angle need different steering. The development of the electric steering is mainly for hydraulic steering solve pure the biggest problem, a high speed FaPiao steering wheel, which is a big problem for the vehicle steering stability. Hydraulic steering although solved the vehicle steering light sexual problems, but a high speed, steering wheel is too light it caused a pilot FaPiao feeling. New steering pump although can achieve high speed steering pump flow can be decreased, but a high speed does not guarantee the engines driving in high speed rotating pump also working conditions. So cant completely solve the problem FaPiao car at high speed. Electric steering system can control power motors, reduce a high speed increases to hand power steering, FaPiao problems and solve high-speed, and relatively low cost. But because of the motor power, torque and size limit, so many small cars and van for light car. With the new electric steering structure research and development, the future will gradually extended to senior cars and trucks. Due to the existing outfit electric steering gear market, future potential market also relatively broad； The steering gear with low cost and popular by auto makers will. 国内外电动转向发展概况 国外 20 世纪 80 年代以来在汽车上大力发展电动转向（ EPS），已经取得相当大的成果，在轻微型轿车、厢式车上得到广泛的应用，并且每年以 300 万台的速度发展。随着 2000 年昌河汽车之北斗星厢式车安装电动转向器，掀开我国汽车转向器历史上新的一页。由于它在转向方面明显的 优越性，很受广大客户欢迎。最初组装的 200 台电动转向试销车很快被抢购一空。这几年正逐年增加安装电动转向汽车的产量，今年将达到三万六千台。正是由于北斗星汽车在国内首装电动转向，带动了国内电动转向开发热。到现在已有 10 家大专院校和 10 家国营和民营企业立项或独自开发该种产品，预计我国每年会以 10-20 万台速度发展。正是由于各方面电动转向研究的大量投入，该产品已接近成功，已有一部分产品开始装车调试。在汽车电动转向产品的开发中充分体现了我国市场经济竞争的特点，一些大专院校和企业相结合，国营、民营企业齐上阵，这 种各方面竞争的结果加快了开发的进度。 电动转向所以称之为“精确转向”，就是在汽车转向过程中，该转向器根据不同车速、方向盘转动的快慢，准确的提供各种行驶路况下的最佳转向助力，这是在计算机（ ECU）控制下实现的。电动转向器是在计算机控制下实施对电机电流大小的变化控制，实现不同的转向助力。所以它能精确的实现人们预先设置在不同车速、不同转弯角度所需要的转向助力。 电动转向的发展主要是针对解决纯液压助力转向的最大难题，高速行驶时方向盘发飘，这是汽车操纵稳定性的一大课题。液压助力转向虽然解决了汽车转向轻便性问题，但 高速行驶时方向盘太轻，就造成了驾驶员发飘的感觉。新型转向油泵虽然可以作到高速转向时油泵流量可以下降，但高速行驶时并不保证发