A method for controlling a hybrid vehicle including a battery charged with electric power generated by an engine, including a motor as a drive source, and having multiple running modes that can be selected through a mode operation, the running modes including a normal mode configured to perform charging of the battery according to a running state, and a charge mode configured to perform electric power generation by the engine according to a mode operation, the method comprising: setting a range of charge amount that allows for charging of the battery based on the electric power generated; and setting an upper limit of the range of charge amount in the charge mode to be lower than an upper limit of the range of charge amount in the normal mode.

A method for controlling a lower limit of a state-of-charge state of a power battery, and a vehicle are provided, the method includes: detecting, by a detection unit, a minimum ambient temperature and a minimum power battery temperature in at least one time period; evaluating, by an evaluation unit, a minimum power battery temperature in a preset time period after the at least one time period according to the minimum ambient temperature and the minimum power battery temperature in the at least one time period; determining, by a processing unit, a minimum state-of-charge value that meets a start-up power requirement of a vehicle engine at the minimum power battery temperature in the preset time period, and adjusting a lower limit value of the state-of-charge according to the minimum state-of-charge value, in order that the vehicle can be powered-up by a state-of-charge value of the power battery at low temperature environment.

A method for operating an electrically operated or also electrically operable motor vehicle provided with a rechargeable electric energy storage device associated with the drive motor of the motor vehicle. A target charging state is determined for the energy storage device and an operating strategy is determined for a route that is calculated, entered or predicted for the next trip, by which recuperative deceleration is enabled with a specifiable minimum amount for deceleration processes occurring along the route. A total mass of the motor vehicle, including optionally a trailer connected to the motor vehicle, deviating from an input normal value and an air resistance of the motor vehicle deviating from a predetermined normal value are taken into account.

A vehicle provided with an electric propulsion system and a method for controlling the electric propulsion system are provided. The system includes a first Electrical Motor (EM1) connected via first Electrical Connections (EC1) to an on-board Energy Storage System (ESS1) and drivingly connected to wheels. The system further includes a second Electrical Motor (EM2) connected via second Electrical Connections (EC2) to one or several electrical energy sources and drivingly connected to wheels. The system is controlled by an Electronic Control Unit (ECU) and the Electrical Motors (EM1, EM2) are used in dependence of the State Of Charge (SOC) level in the first Energy Storage System (ESS1) and the availability of electrical energy for the second Electrical Motor (EM2). The ECU is programmed to include an energy transfer mode in which the use of the second Electric Motor (EM2) for propulsive force is increased and the use of the first Electric Motor (EM1) for regenerative breaking is increased when the State Of Charge (SOC) level in the first electrical Energy Storage System (ESS1) is below a defined level and it is estimated that there is more electrical energy available for the second Electrical Motor (EM2) than for the first Electrical Motor (EM1).

When there is an abnormality in communications between a motor ECU and an HVECU in an automobile, the motor ECU controls a motor such that creep torque or a given torque larger than the creep torque is delivered from the motor. Thus, when there is an abnormality in communications between the HVECU and the motor ECU, the automobile is able to run in a limp home mode.

The present invention has been made in view of the above problems, and an object of the present invention is to, when an abnormality is detected in an electronic control apparatus that controls a plurality of functions, continue an operation without affecting the other function and secure safety of a control target device corresponding to the function in which the abnormality is detected. In the vehicle mounted electronic control apparatus according to the present invention, each of a first computing portion and a second computing portion outputs an operation check signal, and a driver control unit sets a driver corresponding to the computing portion in which an abnormality is indicated by the operation check signal among the first computing portion and the second computing portion, to a degenerated state.

A device and method for controlling a hybrid vehicle. The device includes a connection device that provides a connection interface with a hybrid vehicle network, and a controller that collects driving data through the connector, determines a driving state based on the driving data, generates a driving pattern according to a transition of the driving state, and controls driving of the hybrid vehicle based on an output ratio of a first power source to a second power source corresponding to the driving pattern.

A vehicle electricity storage system includes a control device including: a calculation unit configured to calculate an internal resistance value of the battery based on the voltage value and the current value; a derivation unit configured to derive an estimated internal resistance value, which is an estimated value of the current internal resistance of the battery, based on the calculated internal resistance value calculated and the current voltage value; and a setting unit configured to set a charging electricity upper limit value, which is an upper limit value of charging electricity for charging the battery, based on the derived estimated internal resistance value, the current voltage value, and a current value at present. The derivation unit is configured to derive a greater value as the estimated internal resistance value, as a difference between an upper limit voltage value of the battery and the current voltage value becomes smaller.

A hybrid vehicle control method for a hybrid vehicle having a drive motor, a battery supplying electric power to the drive motor, and an engine for power generation configured to supply electric power to the battery and the drive motor includes operating the engine at a higher engine rotation speed in an operating state in which a fuel consumption device that contributes to improved fuel consumption performance does not operate than in an operating state in which the fuel consumption device operates.

A control device of a powertrain system executes a control input determination processing and a system control processing. The control input determination processing includes a co-state variable determination processing to update a co-state variable p of an optimization problem for each time step and a control input calculation processing. The co-state variable determination processing includes an initial value determination processing that determines, as an initial value of the co-state variable p, the sum of a base value of the initial value and an external charge/discharge correction value. The base value is a final value or an average value of the co-state variable p during the last control time period. The external charge/discharge correction value is determined based on an external charge/discharge amount obtained by subtracting a SOC at the end of the last control time period from the SOC at the start of the current control time period.