PROBLEM TO BE SOLVED: To provide a gear change control device of a vehicle which can reduce a calorific value at a friction engagement element of a mechanical stepped gear change part while suppressing a gear change shock at a gear change of the mechanical stepped gear change part, in the vehicle having a power transmission system in which an electric stepless gear change part and the mechanical stepped gear change part are connected to each other in series.SOLUTION: A plurality of simulated gear stages are established by an electric stepless gear change part 16, a stage number of the simulated gear stages is not smaller than a stage number of mechanical gear stages of a mechanical stepped gear change part 20, and allocated so as to establish one or the plurality of simulated gear stages with respect to the respective mechanical gear stages, and gear changes of the mechanical gear stages are performed at timing which is the same as the gear change timing of the simulated gear stages. The simulated gear stage which is allocated to each mechanical gear stage when the mechanical gear stage is upshifted, and the simulated gear stage allocated to each mechanical gear stage when the mechanical gear stage is downshifted are made to differ from each other. By this constitution, an increase of a calorific value at a friction engagement element of the mechanical stepped gear change part 20 can be prevented.SELECTED DRAWING: Figure 1
【課題】電気式無段変速部と機械式有段変速部とが直列に連結されて成る動力伝達系を備えた車両に対し、機械式有段変速部の変速時における変速ショックを抑制しながらも、機械式有段変速部の摩擦係合要素における発熱量を低減することが可能な車両の変速制御装置を提供する。【解決手段】電気式無段変速部16により複数の模擬ギヤ段が成立させられるとともに、その模擬ギヤ段の段数は、機械式有段変速部20のメカギヤ段の段数以上で、各メカギヤ段に対してそれぞれ1または複数の模擬ギヤ段を成立させるように割り当てられており、模擬ギヤ段の変速タイミングと同じタイミングでメカギヤ段の変速が行われる。また、メカギヤ段がアップシフトする際に、各メカギヤ段に割り当てられた模擬ギヤ段と、メカギヤ段がダウンシフトする際に、各メカギヤ段に割り当てられた模擬ギヤ段とを互いに異ならせる。これにより、機械式有段変速部20の摩擦係合要素での発熱量の増大を防止する。【選択図】図1
GEAR CHANGE CONTROL DEVICE OF VEHICLE
車両の変速制御装置
02.11.2017
Patent
Elektronische Ressource
Japanisch
IPC: | F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |