A control arrangement and a method for controlling a powertrain of a medium-duty or heavy-duty vehicle. The method comprises a step of, in response to one or more driver-initiated indicators, adjusting a currently predicted route for the vehicle to a new predicted route, said new predicted route…
Methods, apparatuses, and systems for determining a dynamic shift schedule for a system are provided. A method includes: determining, by a controller, a priority for a system based on data indicative of operation of the system; determining, by the controller, a shift point for the system based on…
A gear shift control device of an automobile includes memory storing a gear shift map that defines, for each of gear shift points, thresholds of the number of revolutions to determine a switching start timing of each of the gear positions, a transmission control unit that performs switching between…
A method is disclosed for controlling gearshifts in a transmission of a motor vehicle. Devising a shifting strategy of the gearshift takes into account the operation of a sustained-action braking device (). To organize gearshifts in an optimum way having regard to the operation of the…
A method is disclosed for controlling gearshifts in a transmission of a motor vehicle. Devising a shifting strategy of the gearshift takes into account the operation of a sustained-action braking device (). To organize gearshifts in an optimum way having regard to the operation of the…
A method for transmitting a shift signal of an electronic shift system, may include transmitting the shift signal generated at the time of operating a shift operation device, wherein the shift operation device is configured so that one shift stage and one shift signal are matched one to one and…
A controller of a toroidal continuously variable transmission comprises a position control unit which outputs a driving signal to a hydraulic actuator to control a roller position. The hydraulic actuator includes a biasing mechanism which forcibly keeps the roller position at a predetermined…
A control apparatus for a vehicle provided with a step-variable transmission which is disposed between drive wheels and a drive power source including at least an engine, and which is shifted by changing operating states of coupling devices, the control apparatus including an engine stability time…
A transmission controller includes: a corner detector that detects a corner; a predictor to predict a rolling amount based upon road data when the corner is detected and an accelerator opening degree is fully closed; a device to determine a first necessary engine braking amount in accordance with…
A case-emphasized propulsion method improves vehicle fuel efficiency. The ratio of the most-used speed to the most-desired speed of an IC engine is employed to control the engine to always run at its optimal working state with an efficient single-stage gear transmission. The propulsion method used…
Provided is a shift control device for a vehicle in which an automatic transmission in which a gear stage is set based on data showing traveling states including at least a driving demand is mounted, the shift control device for a vehicle setting a neutral state where power is not transmitted by…
When an operating point that is determined by the engine speed (Ne), the engine torque (Te), and the vehicle speed falls within the zones of both a first vibration risk region (±1) and a second vibration risk region (±2), the dwell time (T1) thereof is measured, and once this dwell time (T1)…
Process for controlling an automatic transmission in a drive branch of a motor vehicle comprises charging characteristics of a distance from a data base into a buffer storage unit, recording the driving situation of the vehicle and variables of the driving gearing in the buffer storage unit, and…
The control method is for a motor vehicle automatic gearbox in which the gear ratio of the gearbox is set by rules of a driving control program running in a control unit (12). Accordingly the driving control program is used to detect a certain pattern of movement of the accelerator pedal (FP) and a…
The method involves taking into account the operating mode capable of producing the required torque, whereby fuel is injected directly in the combustion chamber during the compression phase in one mode and during the induction phase in the other mode. Predicted and/or computed fuel consumption can…
A control system/method to minimize unwanted shifts in an automated mechanical transmission system (12). Initiation of shifts are prohibited unless throttle position (THL) has achieved a substantially steady-state value (¾(d/dt(THL))¾
The method involves specifying a value characterizing at least one basic change program and generating at least part of the characteristic value for each further theoretically possible useful change program by setting an offset of the characteristic value from the basic change program. The possible…
The system provides control of the gear change in an automatic gearbox (19) and, in automatic mode, includes an electronic supervision system to determine the transmission ratio using a rule based on the intermediate values. A further system detects and takes account of priorities established by…