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舍弗勒(FAG)集团推出“ACTIVeDRIVE”电动概念车
发布日期:2024-02-07
  ACTIVeDRIVE——扭矩分布更加合理的电动车
    在法兰克福举办的财务状况新闻发布会上,舍弗勒集团发布了其ACTIVeDRIVE电动概念车。它将会丰富舍弗勒所涉及的现代车的范畴,构成三款示例车的三重唱。舍弗勒集团技术研发总监彼得•古兹曼教授(Prof. Dr.-Ing. Peter Gutzmer)表示:“这三款车型充满了创新思维,为实时工况下各种零部件和系统的测试提供了平台。”


    “ACTIVeDRIVE”概念车是基于斯柯达明锐(Skoda Octavia Scout)的四轮驱动纯电动车。这三款车—“CO2ncept-10%”概念车、舍弗勒混合动力车和“ACTIVeDRIVE”概念车—代表着舍弗勒广泛的策略和产品范围。
    基于保时捷卡宴(Porsche Cayenne)的“CO2ncept-10%”概念车,通过内燃机细节方面的不断改进,舍弗勒深刻展示了其发展潜力。在“CO2ncept-10%”概念车中,优化措施包括已经或很快就要量产的具体解决方案,而且不会改变内燃机的基本结构。此外,对传统动力驱动的优化还包括采用电子零部件取代以前的液压驱动元件。
以紧凑型欧宝可赛(Opel Corsa)为基础,舍弗勒混合动力车是一款“概念”车,并且能为不同的混合动力方案提供以实践为导向的试验服务。该先进的丰富灵活的研发项目使在电动车领域对不同的解决方案进行比较成为可能。驱动模式包括传统内燃机操作模式、并联操作模式,或纯电动运行时作为增程器的串联模式。
    “ACTIVeDRIVE”概念车是一款纯电动汽车(BEV: Battery Electric Vehicle)。
从传统内燃机能效解决方案,到混合动力车的相关产品和纯电动车零部件,这三款车为我们展现了舍弗勒广泛的产品线。
    “ACTIVeDRIVE”概念车最大的创新是安装在前后轮轴的电动差速器。它将电驱动与车轮传动控制相结合,实现了定向分布扭矩(扭矩分布于左右车轮之间),提升了驾驶动力、安全性和舒适性。彼得•古兹曼教授表示:“电子差速器动力与电子稳定系统(ESP)一样能够主动干预驾驶操控性,但不是通过刹车制动而是通过精心调教的扭矩分配来实现的,从而减小了能量损耗。在不同摩擦系数的路面行驶时,电子差速器显著改善了能量传送。而且,它还有助于操控,对驾驶动力、驾驶安全性和驾驶舒适性有积极作用。另外,采用两个电子差速器可以使行驶扭矩纵向分布。”行驶扭矩的纵向和横向分布使得电子差速器成为创新型汽车动力学控制系统的理想平台。凭借“ACTIVeDRIVE”概念车中展示的解决方案,舍弗勒成为电动概念汽车方面的先行者。


    主动控制的扭矩实现定向分布,这意味着可以不使用方向盘和刹车,而是通过选择车轮的控制力来操作车辆。舍弗勒集团汽车事业部变速箱业务单元高级研发部负责人托马斯•斯美塔纳(Tomas Smetana)表示:“电子差速器的潜在应用领域包含需要极高操控性的运动车型、传统的车型以及农业机械。”
    这种电子差速器系统集成了两个不同尺寸的水冷却永磁同步电动机(PMSM)、一个行星齿轮、一个用来控制扭矩分布的齿轮箱,还有一个核心部件——舍弗勒轻量化差速器。电机是舍弗勒IDAM品牌的产品。较大的永磁同步电动机负责驱动,它能够提供最大105千瓦的功率和170牛米的扭矩。另一个永磁同步电动机用来控制扭矩分布,它必须在5千瓦的输出时能对传动轴产生2000牛米的扭矩差。除了“ACTIVeDRIVE”概念车,其它创新还包含集成的机电停车锁、齿轮箱无油泵的强制润滑系统、金属薄板行星架和各种高速及摩擦优化的轴承解决方案。电子控制部分由德国AFT公司提供,因此也来自舍弗勒。
    由于采用了两个电子差速器,这款概念车最大输出功率可达210千瓦,四轮驱动。锂电池安装在万向节和后轮轴之前,作为能量存储装置容量可达18千瓦时。由于它出色的表现和强大的牵引力,重1900公斤的测试车从0加速到100千米/时仅需8.5秒。电子最高限速为150千米/时。这种配置的车辆的行驶里程可达100公里。
 

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  1. CONNECT:[ UseTime:0.000631s ] mysql:host=127.0.0.1;port=3306;dbname=cszcwcn_com;charset=utf8
  2. SHOW FULL COLUMNS FROM `zzw_config` [ RunTime:0.001996s ]
  3. SELECT * FROM `zzw_config` ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000436s ]
  4. SHOW FULL COLUMNS FROM `zzw_common_cat` [ RunTime:0.001271s ]
  5. SELECT * FROM `zzw_common_cat` WHERE `deltime` = '' AND `parent_id` = 0 ORDER BY `sort` ASC,`id` ASC LIMIT 0,4 [ RunTime:0.000549s ]
  6. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 15 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000426s ]
  7. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 16 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000519s ]
  8. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 14 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000385s ]
  9. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 13 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000468s ]
  10. SHOW FULL COLUMNS FROM `zzw_news` [ RunTime:0.001545s ]
  11. SELECT `n`.*,c.id as catid,c.catname as catname FROM `zzw_news` `n` LEFT JOIN `zzw_news_cat` `c` ON `n`.`catid`=`c`.`id` WHERE `n`.`id` = '1280' AND `n`.`deltime` = '' LIMIT 1 [ RunTime:0.000438s ]
  12. SELECT `id`,`catid`,`title`,`thumb` FROM `zzw_news` WHERE `id` > 1280 AND `deltime` = '' AND `catid` = 85 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000373s ]
  13. SELECT `id`,`catid`,`title`,`thumb` FROM `zzw_news` WHERE `id` < 1280 AND `deltime` = '' AND `catid` = 85 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000379s ]
  14. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `is_recommend` = 1 ORDER BY `id` DESC LIMIT 0,4 [ RunTime:0.003758s ]
  15. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `is_recommend` = 0 ORDER BY `id` DESC LIMIT 0,10 [ RunTime:0.000347s ]
  16. SHOW FULL COLUMNS FROM `zzw_news_cat` [ RunTime:0.001353s ]
  17. SELECT * FROM `zzw_news_cat` WHERE `parent_id` = 0 AND `deltime` = '' [ RunTime:0.000310s ]
  18. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 [ RunTime:0.023526s ]
  19. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 ORDER BY `id` DESC [ RunTime:0.027854s ]
  20. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 [ RunTime:0.005633s ]
  21. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 ORDER BY `id` DESC [ RunTime:0.008037s ]
  22. SELECT * FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000551s ]
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