Abstract: A method for controlling a start of a mild hybrid vehicle that includes an engine, a starter-generator starting the engine or generating electricity by an output of the engine, a starter starting the engine, and a battery supplying electric power to the starter-generator may include: determining, by a controller configured for controlling an operation of the vehicle, whether a start of the vehicle is requested; checking, by the controller, current limit data of the battery when the start of the vehicle is requested; checking, by the controller, start torque current data of the starter-generator according to state data of the vehicle; comparing, by the controller, the current limit data with the start torque current data; and starting, by the controller, the engine using the starter-generator or the starter according to a result of the comparing, by the controller, the current limit data with the start torque current data.

Abstract: A method for controlling cruise driving of a vehicle performed by a controller is provided. The method includes determining whether a turning section is present on a road in front of the vehicle based on information of the road included in navigation information. When the turning section is present on the road, the turning section is divided into an entry area and an escape area. The entry area is an area where speed of the vehicle is adjusted from cruise driving speed to target deceleration speed and the escape area is an area where speed of the vehicle is controlled from the target deceleration speed to the cruise driving speed. When the vehicle is located in the entry area a starter-generator connected to an engine is operated to perform regenerative braking to reduce the speed of the vehicle from the cruise driving speed to the target deceleration speed.

Abstract: A method of controlling a mild hybrid electric vehicle may include determining whether a Start Stop Control (SSC) entrance condition is satisfied when a cruise mode is set; when the SSC entrance condition is determined to be satisfied by the control unit to enter an SSC mode, interrupting a supply of fuel to an engine and turning off the engine; monitoring a vehicle speed, in which when the engine is turned off, the control unit is configured to determine whether an acceleration control or a braking control of the vehicle is required based on a detection signal transmitted from a detecting unit electrically-connected to the control unit; and increasing or decreasing the vehicle speed by controlling the engine, a Mild Hybrid Starter Generator (MHSG), or an Electronic Stability Control (ESC) based on the monitoring of the vehicle speed.

Abstract: A method of controlling a mild hybrid electric vehicle may include determining whether a Smart Cruise Control (SCC) mode is set according to a signal input through a driver interface; determining whether an Start Stop Control (SSC) entrance condition is satisfied when the SCC mode is set; when the SSC entrance condition is determined by the control unit, to be satisfied to enter an SSC mode, interrupting a supply of fuel to an engine and turning off the engine; monitoring a distance in which the control unit determines whether a distance to a front vehicle is increased or decreased based on a front distance signal transmitted from a detecting unit electrically-connected to the control unit; and increasing or decreasing a vehicle speed by controlling the engine, a Mild Hybrid Starter Generator (MHSG), or an Electronic Stability Control (ESC) based on the monitoring of the distance.

Abstract: A cruise control method of a mild hybrid electric vehicle may include determining whether a cruise mode is operated according to an output signal of a user interface device by a controller; determining whether a vehicle speed increasing signal is output from the user interface device by the controller; determining a compensation torque depending on difference of a predetermined target speed and the current speed of the mild hybrid electric vehicle according to the vehicle speed increasing signal by the controller; and controlling the operation of the MHSG by the controller to output the determined compensation torque.

Abstract: A method for controlling a mild hybrid electric vehicle may include detecting degradation state of a first battery, determining whether the degradation state of the first battery exceeds a degradation reference value or not, stopping normal operation of a mild hybrid starter & generator (MHSG) if the degradation state of the first battery exceeds a degradation reference value, determining whether an SOC value of a second battery is below a charge reference value or not, and operating the MHSG restrictively and inducing electric power conversion to the second battery if the SOC value of the second battery is below the charge reference value.

Abstract: A method of controlling a mild hybrid electric vehicle may include determining whether a Start Stop Control (SSC) entrance condition is satisfied when a cruise mode is set; when the SSC entrance condition is determined to be satisfied by the control unit to enter an SSC mode, interrupting a supply of fuel to an engine and turning off the engine; monitoring a vehicle speed, in which when the engine is turned off, the control unit is configured to determine whether an acceleration control or a braking control of the vehicle is required based on a detection signal transmitted from a detecting unit electrically-connected to the control unit; and increasing or decreasing the vehicle speed by controlling the engine, a Mild Hybrid Starter Generator (MHSG), or an Electronic Stability Control (ESC) based on the monitoring of the vehicle speed.

Abstract: A method of controlling a mild hybrid electric vehicle may include determining whether a Smart Cruise Control (SCC) mode is set according to a signal input through a driver interface; determining whether an Start Stop Control (SSC) entrance condition is satisfied when the SCC mode is set; when the SSC entrance condition is determined by the control unit, to be satisfied to enter an SSC mode, interrupting a supply of fuel to an engine and turning off the engine; monitoring a distance in which the control unit determines whether a distance to a front vehicle is increased or decreased based on a front distance signal transmitted from a detecting unit electrically-connected to the control unit; and increasing or decreasing a vehicle speed by controlling the engine, a Mild Hybrid Starter Generator (MHSG), or an Electronic Stability Control (ESC) based on the monitoring of the distance.

Abstract: A method for controlling cruise driving of a vehicle performed by a controller is provided. The method includes determining whether a turning section is present on a road in front of the vehicle based on information of the road included in navigation information. When the turning section is present on the road, the turning section is divided into an entry area and an escape area. The entry area is an area where speed of the vehicle is adjusted from cruise driving speed to target deceleration speed and the escape area is an area where speed of the vehicle is controlled from the target deceleration speed to the cruise driving speed. When the vehicle is located in the entry area a starter-generator connected to an engine is operated to perform regenerative braking to reduce the speed of the vehicle from the cruise driving speed to the target deceleration speed.

Abstract: A method for controlling a start of a mild hybrid vehicle that includes an engine, a starter-generator starting the engine or generating electricity by an output of the engine, a starter starting the engine, and a battery supplying electric power to the starter-generator may include: determining, by a controller configured for controlling an operation of the vehicle, whether a start of the vehicle is requested; checking, by the controller, current limit data of the battery when the start of the vehicle is requested; checking, by the controller, start torque current data of the starter-generator according to state data of the vehicle; comparing, by the controller, the current limit data with the start torque current data; and starting, by the controller, the engine using the starter-generator or the starter according to a result of the comparing, by the controller, the current limit data with the start torque current data.

Abstract: The present disclosure provides a method and an apparatus for charging a low voltage battery of a mild hybrid electric vehicle. The method of charging a low voltage battery may includes: detecting data for charging a low voltage battery; determining whether a predetermined travelling condition is satisfied based on the data; comparing a current state of charge (SOC) of a high voltage battery with a first reference SOC when the predetermined travelling condition is satisfied; comparing a current SOC of the low voltage battery with a second reference SOC when the current SOC of the high voltage battery is equal to or greater than the first reference SOC; determining a target SOC based on the current SOC of the low voltage battery; and determining a charging speed and a charging amount of the low voltage battery.

Abstract: A method for controlling a mild hybrid starter & generator (MHSG) for a torque assist and an air conditioner of a mild hybrid electric vehicle according to an exemplary embodiment of the present disclosure includes setting a minimum charge amount of a first battery of the mild hybrid electric vehicle based on an outdoor temperature of the vehicle, repeating charging and discharging of the first battery by operating the MHSG so that the charge amount of the first battery is maintained at the set minimum charge amount or more, and operating the MHSG to convert power from the first battery to a second battery.

Abstract: A control method for a mild type hybrid electric vehicle is provided. The method determining whether a coasting condition is satisfied and initiating coasting when the coasting condition is satisfied. A reacceleration intention is then detected and a torque of a mild hybrid starter & generator (MHSG) is increased in response thereto. A revolutions per minute (RPM) of the MHSG is compared with a RPM of an engine an engagement of the MHSG with the engine is attempted when the RPM of the MHSG corresponds to the RPM of the engine. The RPM of the MHSG is then synchronized with the RPM of the engine. When the MHSG is successfully engaged with the engine, the torque of the MHSG is increased to inject a fuel to the engine.

Abstract: A method for controlling a hybrid vehicle for a cold start. The method includes determining whether a combustion engine of the vehicle is idling. The method further includes, when the engine is idling, increasing a load of a hybrid starter/generator (HSG) until a selective catalytic reduction (SCR) catalyst reaches a desirable temperature.

Abstract: A method and an apparatus for controlling a hybrid electric vehicle are disclosed. The method includes: determining whether an uphill section is present on a driving route; calculating a regenerative braking amount at a downhill section following the uphill section; determining whether a state of charge (SOC) of a low voltage battery is equal to or greater than a first predetermined value at the time of entering the uphill section; determining whether an SOC of a high voltage battery is equal to or greater than a second predetermined value when the SOC of the low voltage battery is equal to or greater than the first predetermined value; and controlling the MHSG to generate auxiliary torque corresponding to the regenerative braking amount at the downhill section when the SOC of the high voltage battery is equal to or greater than the second predetermined value.

Abstract: A control method for a mild type hybrid electric vehicle is provided. The method determining whether a coasting condition is satisfied and initiating coasting when the coasting condition is satisfied. A reacceleration intention is then detected and a torque of a mild hybrid starter & generator (MHSG) is increased in response thereto. A revolutions per minute (RPM) of the MHSG is compared with a RPM of an engine an engagement of the MHSG with the engine is attempted when the RPM of the MHSG corresponds to the RPM of the engine. The RPM of the MHSG is then synchronized with the RPM of the engine. When the MHSG is successfully engaged with the engine, the torque of the MHSG is increased to inject a fuel to the engine.

Abstract: An apparatus for controlling a start of an engine for a mild hybrid electric vehicle includes: a mild hybrid starter & generator (MHSG) starting an engine; a first battery connected to the MHSG through a first power cable and supplying electric power to the MHSG; a low voltage DC-DC converter (LDC) converting voltage supplied from the first battery into low voltage; a second battery supplying the low voltage to an electric load that uses the low voltage; an ignition switch including a first contact point and a second contact point; a data detector detecting data for controlling the engine start for a mild hybrid electric vehicle; and a controller determining whether a charging condition of the second battery is satisfied based on the data, and charging the second battery with electric power of the first battery when the charging condition of the second battery is satisfied.

Abstract: A method for learning a clutch pedal may include determining whether a clutch pedal is operated; determining at least one of a depressed speed of the clutch pedal, a depressed value of the clutch pedal, and a speed of an engine at a shifting timing when the clutch pedal is operated; determining at least one of a moving average value of the depressed speed of the clutch pedal, a moving average value of the depressed value of the clutch pedal, and a moving average of the speed of the engine for a predetermined time; and storing the moving average value as a correction value for preventing an abrasion of a shift clutch.

Abstract: A method for controlling a mild hybrid starter & generator (MHSG) for a torque assist and an air conditioner of a mild hybrid electric vehicle according to an exemplary embodiment of the present disclosure includes setting a minimum charge amount of a first battery of the mild hybrid electric vehicle based on an outdoor temperature of the vehicle, repeating charging and discharging of the first battery by operating the MHSG so that the charge amount of the first battery is maintained at the set minimum charge amount or more, and operating the MHSG to convert power from the first battery to a second battery.

Abstract: A vehicle system includes: an engine including a combustion chamber in which an air-fuel mixture is burned to generate energy, an intake manifold which supplies air to the combustion chamber, an injector which supplies fuel to the combustion chamber, and an exhaust manifold which discharges exhaust gas generated by combustion of the air-fuel mixture through an exhaust pipe; a hybrid starter and generator (HSG) which generates electricity by starting the engine or by using energy generated in the engine; a soot filter which is mounted to the exhaust pipe and collects particulate matters (soot) included in exhaust gas; and a control unit which controls an operation of the injector and controls an operation of the HSG, in which when the quantity of soot is larger than a predetermined quantity, the control unit increases a size of a load of the HSG by a predetermined load quantity until a temperature of the soot filter reaches a predetermined temperature.