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METHOD AND ARRANGEMENT FOR ADAPTING SHIFTING STRATEGIES IN A HEAVY VEHICLE INCLUDING AN AUTOMATED TRANSMISSION AND EXPERIENCING A PTO LOAD
METHOD AND ARRANGEMENT FOR ADAPTING SHIFTING STRATEGIES IN A HEAVY VEHICLE INCLUDING AN AUTOMATED TRANSMISSION AND EXPERIENCING A PTO LOAD
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机译:适应包括自动变速箱和取力器负载在内的重型车辆的换挡策略的方法和装置
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摘要
Method and arrangement for adjusting shift characteristics of a transmission of a heavy vehicle. A heavy vehicle is operated and that is powered by an internal combustion engine equipped with an automated manual transmission and a power take off. The power take off, when operating, imposes a torque-consuming load on the engine. Operation of the power take off is detected when the engine of the vehicle is in a power mode. At least one gear-shift event is adapted to occur at a higher engine speed when power take off operation is detected than when power take off operation is not detected. The gear-shift event is affected at an engine speed that is approximately five to twenty-five percent higher than when power take off operation is not detected. The gear-shift event may be an up-shift to a lower ratio gear engagement or a down-shift to a higher ratio gear engagement.
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