XWD, an acronym for Cross-Wheel Drive, is an advanced all-wheel drive system designed by Haldex in partnership with Saab. The XWD, also known as Haldex Generation 4, is an intelligent permanent all-wheel drive system, that can pre-emptively and continuously change torque distribution before wheel slip occurs. An ECU continuously collects various data from the car's onboard systems, and in conjunction with the ESC, ABS and TCS, calculates the best torque distribution in the driveline.
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| - XWD, an acronym for Cross-Wheel Drive, is an advanced all-wheel drive system designed by Haldex in partnership with Saab. The XWD, also known as Haldex Generation 4, is an intelligent permanent all-wheel drive system, that can pre-emptively and continuously change torque distribution before wheel slip occurs. An ECU continuously collects various data from the car's onboard systems, and in conjunction with the ESC, ABS and TCS, calculates the best torque distribution in the driveline. (en)
- 紳寶XWD是 Cross-Wheel Drive的縮寫，XWD同時也被稱為瀚德四代系統 (Haldex Generation 4)。是生產高階四輪驅動系統的公司與紳寶汽車合作的產品。它是一種可以先發制人的智慧化的恆時四輪驅動系統，可以在輪胎打滑前改變扭距分配防止打滑的發生。 為了達到最佳的汽車起跑效率，Saab XWD可以完全的鎖定前後輪軸。而在巡航時，可以將後輪的扭力降低到4%，提供最經濟的燃油效率。同時為了確保在緊急時刻有足夠的牽引力，XWD系統可以在一秒內將扭力分配至後輪。利用兩個連軸器的XWD系統，甚至可以將85%的扭力傳送到單一個後輪。這種在後輪間轉移外側扭力的能力類似於三菱 (Mitsubishi)的超級主動偏航控制 (Super Active Yaw Control)以及本田 (Honda/Acura)的SH-AWD（Super Handling-All Wheel Drive）ECU會不斷的蒐集來自車載系統的資訊，以及配合ESP，ABS和TCS系統來計算最優化的的扭力分布。 雖然瀚德四代系統在2009年開始會提供給其他汽車廠使用，不過XWD這個暱稱為Saab所有，所以XWD這個名稱將不會被其他車廠使用。 (zh)
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| - XWD, an acronym for Cross-Wheel Drive, is an advanced all-wheel drive system designed by Haldex in partnership with Saab. The XWD, also known as Haldex Generation 4, is an intelligent permanent all-wheel drive system, that can pre-emptively and continuously change torque distribution before wheel slip occurs. To achieve optimum take-off performance, XWD can completely lock the front and rear axles, adapting as little as 4% of torque to the rear wheels during highway cruising — maximizing fuel economy. To ensure immediate traction, torque distribution can be transferred to the wheel with the most grip in fractions of a second. Using the two couplings, the XWD system can send 85% of its available torque to a single rear wheel. The ability to transfer torque laterally between the rear wheels is similar to Mitsubishi's Super Active Yaw Control. An ECU continuously collects various data from the car's onboard systems, and in conjunction with the ESC, ABS and TCS, calculates the best torque distribution in the driveline. The XWD system debuted on the 2008 limited edition Saab Turbo X, equipped with an electronically controlled limited-slip differential (ELSD) and was gradually made available through the rest of the 9-3 line (in sedan and combi body styles). The XWD was the standard powertrain for the Saab 9-5 from 2010 to 2012, underpinning the 2011 Saab 9-4X and was part of the Saab 9-3X, the XUV - crossover introduced by Saab in 2009 based on the 9-3 Sport Combi. The XWD system was also later used in the Opel Insignia. While the Haldex Generation 4 system was made available to other automobile manufacturers starting in 2009, the XWD moniker was a trademark owned by Saab Automobile AB, and thus cannot be used by any other maker. As of the bankruptcy of Saab Automobile AB in 2011, the XWD name will no longer be used in any production vehicle. (en)
- 紳寶XWD是 Cross-Wheel Drive的縮寫，XWD同時也被稱為瀚德四代系統 (Haldex Generation 4)。是生產高階四輪驅動系統的公司與紳寶汽車合作的產品。它是一種可以先發制人的智慧化的恆時四輪驅動系統，可以在輪胎打滑前改變扭距分配防止打滑的發生。 為了達到最佳的汽車起跑效率，Saab XWD可以完全的鎖定前後輪軸。而在巡航時，可以將後輪的扭力降低到4%，提供最經濟的燃油效率。同時為了確保在緊急時刻有足夠的牽引力，XWD系統可以在一秒內將扭力分配至後輪。利用兩個連軸器的XWD系統，甚至可以將85%的扭力傳送到單一個後輪。這種在後輪間轉移外側扭力的能力類似於三菱 (Mitsubishi)的超級主動偏航控制 (Super Active Yaw Control)以及本田 (Honda/Acura)的SH-AWD（Super Handling-All Wheel Drive）ECU會不斷的蒐集來自車載系統的資訊，以及配合ESP，ABS和TCS系統來計算最優化的的扭力分布。 XWD系統率先搭載於2008年的限量版的Saab Turbo X車型，而且配備了電子控制的限滑差動器，並逐漸搭載在2009年式的Saab 9-3(sedan與combi車型)。XWD也是Saab 9-3X、2010年的第二代Saab 9-5以及2011年Saab 9-4X的標準傳動系統。而且XWD系統也會用於Opel 車型。 雖然瀚德四代系統在2009年開始會提供給其他汽車廠使用，不過XWD這個暱稱為Saab所有，所以XWD這個名稱將不會被其他車廠使用。 (zh)
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