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Control system for low-speed positioning and pacing of on/off road vehicles

A control method and a technology of fuel control, applied in the direction of control devices, vehicle components, and the arrangement of multiple different prime movers of general power plants, etc., can solve problems such as difficult to accurately predict clutches and engines

Active Publication Date: 2020-08-25
EATON INTELLIGENT POWER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sometimes it is difficult to predict exactly how the clutch and engine will react to the smallest throttle request

Method used

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  • Control system for low-speed positioning and pacing of on/off road vehicles
  • Control system for low-speed positioning and pacing of on/off road vehicles
  • Control system for low-speed positioning and pacing of on/off road vehicles

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Embodiment Construction

[0019] As will be appreciated herein, the present disclosure provides a control system and method that allows vehicle operators to more accurately position a vehicle, such as a work vehicle on a worksite, and improve pacing of other work vehicles and facilities. The present disclosure relates to systems and methods implemented on AMT.

[0020] initial reference figure 1 , an AMT system intended for vehicle use is shown schematically and denoted by reference numeral 10 . AMT system 10 includes a fuel-controlled engine 12 , such as a diesel engine or the like, a multi-speed variable gear transmission 14 , and a master clutch 16 drivingly interposed between engine 12 and an input shaft 18 of transmission 14 . The transmission 14 may be of the compound type including a main transmission section connected in series with a splitter and / or range-type auxiliary section. Transmissions of this type, especially for heavy vehicles, typically have 9, 10, 12, 13, 16 or 18 forward speeds....

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PUM

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Abstract

The present invention provides a control method for operating an automated manual transmission system having a fuel controlled engine, a multi-speed change gear transmission and a clutch drivingly interposed between the engine and an input shaft of the transmission. The control method determines a rate of throttle change of a throttle pedal. The clutch is engaged at a first clutch engagement rate based on the rate of throttle change being greater than a threshold. The clutch is engaged at a second clutch engagement rate in a blended pedal mode that is proportional to an amount of percent throttle engagement based on the throttle rate of change being less than the threshold. The first clutch engagement rate is different than the second clutch engagement rate.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 62 / 279,984, filed January 18, 2016, and US Provisional Application No. 62 / 161,345, filed May 14, 2015. The disclosures of both patent applications are hereby incorporated by reference. technical field [0003] The present disclosure generally relates to control methods and systems for controlling low-speed positioning and cruising of a vehicle. Background technique [0004] Automatic mechanical transmission (AMT) systems for vehicular use are known in the art. As we all know, AMT includes a clutch and many gears. The AMT performs the gear changes automatically. AMT can be installed on large construction vehicles. In some instances, it may be desirable for an operator of such a vehicle to move the vehicle incrementally a small distance. It is sometimes difficult to predict exactly how the clutch and engine will react to the smallest throttle reques...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W10/10B60K6/24B60K6/38B60W10/02B60W10/06B60W30/18
CPCB60W10/06B60W50/082B60W30/18063B60W2540/103B60W2710/023B60W10/02
Inventor 唐纳德·罗泽西乔恩·斯特比肯尼思·洛克尔马修·斯塔克斯纳森·H·科克斯
Owner EATON INTELLIGENT POWER LTD
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