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 position in a case where the driving signal meets a predetermined condition. The position control unit is configured to perform a start-up control during start-up of the toroidal continuously variable transmission. During the start-up control, the position control unit is configured to output the driving signal to reciprocate a spool of the hydraulic actuator in a case where a temperature of hydraulic oil supplied to the hydraulic actuator is lower than a reference temperature, and output the driving signal which meets the predetermined condition in a case where the temperature of the hydraulic oil has become equal to or higher than the reference temperature thereafter.

In a vehicle including a shift-by-wire (SBW) transmission which may be parked in the neutral gear position of the transmission, method for controlling parking thereof includes determining whether the vehicle is in a situation in which neutral parking is required according to sensor information, when the vehicle is stopped, outputting first information configured to get a confirmation on whether a driver intends to perform the neutral parking from the driver, when the controller concludes that the vehicle is in the situation in which the neutral parking is required and when a park (P) gear position is input or an ignition of the vehicle is turned off, and controlling the SBW transmission to shift to a neutral (N) gear position, when there is an agreement input as a response to the first information.

The present disclosure relates to a driving speed control device for an agricultural work vehicle, and a driving speed control method for an agricultural work vehicle, the device comprising: a confirmation unit for confirming set transmission information about a driving device of an agricultural work vehicle, and confirming a transmission mode for controlling an engine and a transmission of the driving device; an acquisition unit, which confirms, from the set transmission information, set revolutions per minute (RPM) relating to RPM of the engine when the transmission mode is an RPM designation mode, so as to acquire transmission information on the basis of the set RPM; and a control unit for controlling the driving device by using the acquired transmission information according to the transmission mode.

A method and apparatus for evaluating the driving of a vehicle performing a journey on a road network is disclosed. The method comprises determining a fuel usage rate and an engine speed of a vehicle, and determining when the vehicle is coasting based upon at least one of the fuel usage rate and the engine speed of the vehicle. An acceleration of the vehicle, when the vehicle is determined to be coasting, is compared with a predetermined reference acceleration, and an application of braking during the coasting is determined based on the result of the comparison. A method and apparatus is also disclosed for determining a score indicative of the relative amount of time for which the vehicle is coasting without braking during a journey.

A method and apparatus for providing an indication to a driver of a geared vehicle that the vehicle is not in an optimal gear is disclosed. The method comprises determining a current gear of the vehicle and determining a current speed of a drive unit of the vehicle. An indication is then provided to the driver of the vehicle that the vehicle is not in an optimal gear when: (i) the determined current speed of the drive unit is greater than a predetermined threshold; and (ii) the determined current gear of the vehicle is less than a maximum gear of the vehicle. A method and apparatus is also disclosed for determining a score indicative of the amount of time during a journey on a road network that a geared vehicle is driven in an optimal gear.

A method and apparatus is disclosed for evaluating the driving of a vehicle performing a journey on a road network, comprising determining at least one constant speed zone of the road network, a constant speed zone being a portion of the road network at which the vehicle can travel at a constant speed, said determination being based upon expected speeds of travel along the road network determined from positional data relating to the movements of a plurality of vehicles over time along the road network. A speed of the vehicle traversing the road network is determined at a plurality of times during the journey, and a value indicative of a consistency of the speed of the vehicle within the at least one constant speed zone is further determined.

A computer system (e.g., an on-board vehicle computer system) creates or updates a mapping of transmission gears and respective driveline ratios during operation of the vehicle. The system obtains a current engine speed and vehicle speed and calculates a current driveline ratio for the vehicle based on the current engine speed and vehicle speed. If the driveline is engaged, the system updates the mapping based at least in part on the current driveline ratio. Performing the update may include adding a new transmission gear or updating an existing transmission gear in the mapping, or removing a duplicate transmission gear from the mapping. Applications include cruise control, predictive cruise control, predictive shifting, and selecting a gear for a specific purpose (e.g., for descending a hill).

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 position in a case where the driving signal meets a predetermined condition. The position control unit is configured to perform a start-up control during start-up of the toroidal continuously variable transmission. During the start-up control, the position control unit is configured to output the driving signal to reciprocate a spool of the hydraulic actuator in a case where a temperature of hydraulic oil supplied to the hydraulic actuator is lower than a reference temperature, and output the driving signal which meets the predetermined condition in a case where the temperature of the hydraulic oil has become equal to or higher than the reference temperature thereafter.

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 releasing an engagement mechanism engaged such that a predetermined gear stage is set in the automatic transmission when the driving demand becomes equal to or less than a predetermined value determined in advance during traveling, in which the shift control device for a vehicle is configured such that a virtual gear stage as an input rotation speed close to an input rotation speed of the automatic transmission in the neutral state is obtained based on a vehicle speed at a time point when the virtual gear stage is obtained and a gear ratio at a gear stage allowed to be set in the automatic transmission when a target gear stage based on the driving demand is set with the neutral state eliminated by the driving demand exceeding the predetermined value during the traveling in the neutral state, and the shift control device for a vehicle is configured such that control of a second shift toward the target gear stage is initiated during a first shift between a current gear stage to be set based on the data showing the traveling states during the elimination of the neutral state and the virtual gear stage.

In a work vehicle according to the present invention, a control device calculates, for each of a plurality of speed-changing stages in a PTO transmission, an expected maximum rotational speed of PTO rotary power that is output from the PTO shaft when an engine rotational speed changing operation member is operated to a maximum extent, and shows, in a listed manner, the calculated results in a liquid crystal display part of a display device. The present invention can inform an operator of the maximum rotational speed of PTO rotary power that is output from the PTO shaft for each speed-changing stage in the PTO transmission without performing a speed changing operation on the PTO transmission.