Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Mitsubishi Jidosha Kogyo K.k.

Takanori Sugimoto

Hiroaki Miyamoto

Yasuyuki Hatsuda

Toshiyuki Matsumi

Akira Hashizaka

Norihiko Hatsumi

Yoshiaki Sano

Masato Nishida

Toshifumi Mizui

Sosuke Nanbu

Hideaki Taniguchi

Norihiko Ikoma

Naoki Miyamoto

Kazufumi Hayashikawa

Tsuyoshi Takeo

Tetsuya Furuichi

Sosuke Nambu

Noritaka Terakawa

Yutaka Nakagi

Toshiya Oue

Katsutoshi Nagura

Ryosuke Koga

Keisuke Imoto

Masanori Watanabe

Nobuaki Ohta

A start control device for a hybrid vehicle includes a battery, first and second rotary electric machines, an engine, a first determination unit configured to determine whether the battery is in a low output state, a cranking control unit configured to perform a cracking of the engine, and a second determination unit configured to perform a cranking completion determination. In a case where a maximum output of the battery is in the low output state, the cranking control unit causes the first rotary electric machine to run at a low output target rotation speed, and the second determination unit determines that the cranking is completed when a condition that an actual rotation speed of the first rotary electric machine continues to be within a target range for a predetermined time is satisfied.

Engine start control device

The disclosed vehicle braking device controls a hydraulic brake system () and a regeneration brake system () mounted on a vehicle () in accordance with an acceleration value and a brake value, and includes a first divider (), a second divider (), and a controller (). The first divider () divides a driver demand torque set according to the accelerator value into a target coast torque and a remaining torque. The second divider () divides a sum of a deceleration torque set according to the brake value and the target coast torque divided by the first divider () into a hydraulic-brake demand torque and a regeneration-brake demand torque. The controller () controls the hydraulic brake system (), using the hydraulic-brake demand torque, and controls the regeneration brake system (), using a total regeneration brake torque calculated from the remaining torque and the regeneration-brake demand torque. This configuration can improve the feeling of operating the brake, resolving the feeling of the shortage of deceleration.

Vehicle braking device

A control device of an electric vehicle comprises: an operating state detector that detects the operating state of an accelerator pedal; a motor controller that executes deceleration control over a travel motor, including coasting control which reduces the driving force of the travel motor to zero, when the returning operation of the accelerator pedal is detected by the operating state detector; and a region setter that sets the range of the depression amount of the accelerator pedal for executing the coasting control, based on the depression amount of the accelerator pedal at the start of the returning operation of the accelerator pedal. The control device can switch among the types of control over the travel motor during the returning operation of the accelerator pedal, while suppressing a driver's sense of incongruity.

Control device of electric vehicle

A driving-force controller for an electric vehicle including at least two motors that independently drive left and right wheels, includes a detector that detects driving operation by a driver, and a controller that calculates a demand torque Tr of the driver, the torque difference &#x394;T applied to the left and right wheels during cornering, left and right torque-difference maintaining torques TLand TRof the motors when generating the demand torque Tr while maintaining the torque difference &#x394;T, and controls the motors based on the torque-difference maintaining torques TLand TR. The controller determines the priorities of a demand torque mode that generates the demand torque Tr and a torque difference mode that generates the torque difference &#x394;T depending on the driving operation detected by the detector.

Driving-force controller for electric vehicle

A stop lamp lighting control device for an electric vehicle having an electric regenerative braking system, includes, a first calculation unit that converts a first deceleration threshold value to a first regenerative torque threshold value with a curb weight, a second calculation unit that converting a second deceleration threshold value to a second regenerative torque threshold value with a gross vehicle weight, a third calculation unit that calculates a third regenerative torque threshold value, and a determination unit that controls the stop lamp to be turned on when a regenerative torque value exceeds the first regenerative torque threshold value, the stop lamp to be turned off when the regenerative torque value is equal to or smaller than the second regenerative torque threshold value, and the stop lamp to be turned off when a given state continues.

Stop lamp lighting control device for electric vehicle

A stop lamp lighting control device for an electric vehicle having an electric regenerative braking system includes a calculation unit that converts a first deceleration threshold value for turning on a stop lamp or a second deceleration threshold value for turning off the stop lamp to a first regenerative torque threshold value for turning-on the stop lamp or a second regenerative torque threshold value for turning-off the stop lamp by calculation assumed that a weight of the vehicle is a curb weight or a gross vehicle weight, and a determination unit that performs a comparison between a regenerative torque value generated by the electric regenerative braking system and the first regenerative torque threshold value or the second regenerative torque threshold value and controls the stop lamp to be turned on or turned off based on the comparison result.

An output torque control system includes a control unit which includes an acceleration mode detection unit and an output torque control unit. The acceleration mode detection unit selects a normal acceleration mode which includes output torque information indicating an increased amount of output torque of an electric motor as time elapses or a rapid acceleration mode which includes output torque information indicating the increased amount of output torque of the electric motor as time elapses more largely than in the normal acceleration mode based on a result of a detection by a depressing speed detection unit. The output torque control unit selects one of the output torque information which corresponds to the result of the detection by the acceleration mode detection unit to control the output torque produced by the electric motor based on the selected output torque information.

Output torque control system

A vehicle driving force control device includes: a brake unit configured to generate a brake force of a vehicle; a stroke amount detecting unit configured to detect a stroke amount of a brake pedal of the vehicle; a monitoring unit configured to monitor whether generation of the brake force of the brake unit is abnormal; and a creep torque controlling unit configured to increase a reduction amount of a creep torque of the vehicle as the stroke amount increases, when the monitoring unit determines that the generation of the brake force in the brake unit is abnormal.

Vehicle driving force control device

A regeneration control device of an electrically powered vehicle includes a motor generator which performs electric power regeneration by braking a driving wheel of the electrically powered vehicle, and a battery to which electric power regenerated by the motor generator is supplied. A monitoring unit includes at least one of a charging rate detection unit configured to detect a charging rate of the battery and a voltage value detection unit configured to detect a voltage value of the battery. A control unit controls the electric power regeneration of the motor generator according to at least one of the charging rate and the voltage value of the battery detected by the monitoring unit. The control unit is configured to decrease regenerative electric current of the motor generator as at least one of the charging rate and the voltage value is increased.

Regeneration control device of electrically powered vehicle

A motor torque control device of an electrically-driven vehicle equipped with a motor serving as a driving source, is configured to limit an output of the motor when both a brake pedal and an accelerator pedal of the electrically-driven vehicle are stepped. A motor limit torque, which is an upper limit value of a command torque for the motor, is changed depending on a vehicle velocity of the electrically-driven vehicle detected by a vehicle velocity detecting unit and a stepping amount of the brake pedal detected by a brake pedal stepping amount detecting unit.

Motor torque control device

In a vehicle that generates creep torque using an electric motor, a controlling means that causes, on the basis of the results of the detecting by the vehicle speed detecting means and the braking operation detecting means, the electric motor to generate the creep torque, wherein if the brake is operated when the creep torque is generated, the controlling means decreases the creep torque by a first level, if the brake is not operated when the creep torque is generated, the controlling means increases or decrease the creep torque in a level range on the basis of the speed of the vehicle detected by the vehicle speed detecting means, and the first level is a decreasing level larger than a possible maximum decreasing level in the level range.

Growing community of inventors

Tsushima, Japan

Takanori Sugimoto