, z& e, l! i. |" c6 W: x 行驶过程中，车内安装的全球定位仪随时获取汽车所在准确方位的信息数据。 ! [ V9 W$ J8 ~3 p8 h8 O) _! }4 R8 p$ b% } ! a$ v( K) J, D" o8 K 隐藏在前灯和尾灯附近的激光扫描仪是汽车的“眼”，它们随时“观察”汽车周围约183米内的道路状况，构建三维道路模型。 . ^7 t* Y2 R# b) }/ Y" d 6 E) J) S. t/ Y6 B4 [3 k5 _+ b( I. ] 除此之外，“眼”还能识别各种交通标识，如速度限制、红绿灯、车道划分、停靠点等，保证汽车在遵守交通规则的前提下安全行驶。 8 a9 R; r1 c$ y1 L
8 W+ a- c" b+ U) C6 n/ R( h 最后由无人驾驶汽车的“脑”———安装在汽车后备箱内的计算机，将两组数据汇合、分析，并根据结果向汽车传达相应的行驶命令。 9 G* | D: q5 f$ m8 w
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多项先进科技确保这款无人驾驶汽车能够灵活换挡、加速、转弯、刹车甚至倒车。在茫茫车海和人海中，它能巧妙避开建筑、障碍物、其他车辆和行人，从容前行。 . `5 o% X/ H1 x, p. L4 D
( u \% I) x0 ?5 b ●接受都市挑战 6 m' P1 h" |; u, n1 e5 a
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Team Lux公司将携装有这种先进无人驾驶技术的汽车参加今年11月在美国举行的无人驾驶汽车拉力赛。 # A9 v& P3 d' W% e# Z
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今年的比赛要求参赛汽车在美国某城市中心区行驶97公里，旨在考验无人驾驶汽车在错综复杂的城市交通系统下安全、快速行驶的能力。冠军将获得120万美元奖金。这一比赛由美国国防部高级研究计划局赞助，旨在为研发无人驾驶技术提供候选方案。比赛已分别于2005年和2003年举办两届。 6 o4 T& L) m+ ]. K5 a
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2005年比赛在加利福尼亚州莫哈韦沙漠举行，4辆无人驾驶汽车成功穿越212公里崎岖路段到达终点。冠军“斯坦尼”还被着名《连线》杂志评为“最佳智能机器人”。 % f e/ {/ R2 I6 b 6 Q+ p3 e h1 ^' j( I . l3 i5 t2 g, `( g- s" S, j" XDriverless car goes on show in London. g5 N% n% F' `% q+ B& B
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A car driven by a hi-tech ghost of laser sensors and computers has gone on exhibit in London, before it competes against other robot cars in the United States in November.: @ [% V" f/ F2 I# ?6 Y
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The Volkswagen Passat 2.0 TDI drives using two eye-like laser sensors in the front and one in the back that scan road conditions, buildings, other vehicles and pedestrians over a range of up to 200 metres. 6 K" z+ B* V% @" S$ | 8 D, A: x1 H! dAn on-board computer digests and acts on the information using software developed by the Hamburg, Germany-based Ibeo Automobile Sensor company, said company experts displaying the car at the Science Museum in London.- h2 x' Z1 z, Z" A F! e
4 G: z1 ~* W9 {! g7 n/ G2 S) jIn November, the car will compete against other driverless vehicles in the third annual US Defense Advanced Research Projects Agency (DARPA) Urban Challenge over a 60-mile course in America. 3 R# N. t- n$ W: G # O1 R7 t% c0 V7 Y, B. G, F"We are competing against the world's best in terms of automobile technology," Ibeo chief executive Ulrich Lages said. 4 [- v6 Y9 J: m+ D$ F' i6 t % E# n- x0 S1 z, i"Although we are a relatively small team and, unlike the big players, do not have a large budget, we believe we have a great chance at DARPA 2007," he said.: {1 i3 n% s, \' N
5 x% o" L% _$ s1 i& q% J& X8 U"Our innovative laser technology gives us a lead of several years over our prospective rivals, especially in the field of object and environmental detection," he said.4 q E8 s5 C3 @* _; S
% e8 \( t7 T, x8 W; n7 G! j7 HChristened LUX, the refitted Volkswagen that looks exactly like a standard road model is due to go into small-scale production next year and the firm hopes that its technology can eventually be used in production cars.: v( x6 Q* q, t9 w3 c
- \: U$ P# A: x+ {5 PAt a conference in the US city of San Francisco in February, scientists predicted robot-driven cars could be shuttling humans around by the year 2030.
图片附件: [The Volkswagen Passat 2.0 TDI.] Driverless car.jpg (2007-4-13 13:07, 22.59 KB) / 下载次数 102