2293 results about "Hybrid electrical vehicle" patented technology

An apparatus and method for sequentially charging multiple electric vehicles. The apparatus including an electric vehicle supply equipment (EVSE) having an electrical plug connected to a power cord. The power cord is connected to a housing containing a number of electrical components configured to control the power flow to an electric vehicles to recharge the vehicles' batteries. The power cord is divided into multiple power cords that extend from the housing and connect to standard electric vehicle connectors compatible with battery electric vehicles (BEV) and plug-in hybrid electric vehicles (PHEV). The EVSE determines, based on a number of possible criteria, which of the multiple electric vehicles to charge at a given time.

A system for optimizing electrical power management in a vehicle. The system includes a HVAC device and a thermal storage device, both configured to provide heating and cooling to an occupant compartment of the vehicle. The system further includes a controller connected to an electrical storage device and an electrical generating device. The controller receives electrical power generated by the electrical generating device and directs the electrical power to satisfy the vehicle's power requirements and / or stores the electrical power in at least one of the electrical storage device and the thermal storage device. Furthermore, the controller directs at least one of the HVAC device and the thermal storage device to provide heating and cooling to the occupant compartment of the vehicle, depending on the available storage of the thermal storage unit or occupant compartment demands.

An exhaust gas emission control apparatus is provided in an exhaust passage of a hybrid mechanism driven by an internal combustion engine and an electric motor. The apparatus has an adsorbent that adsorbs unburned fuel contained in exhaust gas when the temperature of the adsorbent is lower than a predetermined temperature, and that releases adsorbed unburned fuel therefrom when the temperature is at least the predetermined temperature. When the temperature of the adsorbent is lower than the predetermined temperature, the apparatus controls the hybrid mechanism to delay an increase in the temperature of the adsorbent.

A method of operating a plug-in hybrid electric vehicle is provided including the steps of: A) determining whether the plug-in hybrid electric vehicle is receiving power from an external power source; B) disabling the operation of the plug-in hybrid electric vehicle and executing a thermal program if the plug-in hybrid electric vehicle is receiving power from the external power source, wherein the thermal program includes charging a high voltage battery and monitoring the state of charge of the high voltage battery; C) determining if the plug-in hybrid electric vehicle continues to receive power from the external power source; and D) enabling operation of the plug-in hybrid electric vehicle if the plug-in hybrid electric vehicle is no longer receiving power from the external power source.

Systems and methods are disclosed for automatically recharging electric and plug-in hybrid vehicles. A deployment assembly (101) is permanently mounted to the underside of a vehicle and houses a robotic probe (102) that can be lowered to the ground by tether. The probe automatically navigates to a compatible recharging station (103), and inserts a plug to complete the charging circuit. Once charging is complete, the robotic probe is automatically retracted back into the deployment

A double-ended inverter system for a vehicle having a load, a first energy source, and a first inverter system coupled to the first energy source and adapted to drive the load. The double-ended inverter system further having a secondary energy source, a second capacitor coupled in parallel to the secondary energy source, and a second inverter system coupled to the secondary energy source and adapted to drive the load. A controller includes an output coupled to the first inverter system and the second inverter system for providing at least one pulse width modulated signal to the first inverter system and the second inverter system.

The invention discloses a hybrid vehicle powertrain test system capable of simulating working condition and inertia, which comprises an operating console, a bench control and measuring centre manger, a test mode controlling system unit, a dynamic simulating system unit, a driving function controller unit, a dynamometer, a dynamometer controller unit, a data acquisition system unit and a test condition controlling system unit. The system can be used in the hybrid vehicle powertrain performance development tests; the bench test can replace most of the road tests and the vehicle rotating hub tests in the process of developing the products; meanwhile, assembly parts of the powertrain can be combined flexibly to form different coupling modes of motors and engines to carry out the development and research in the early stage of the development of the hybrid vehicle powertrain; compared with traditional research and development testing means, the test system can greatly improve the hybrid vehicle powertrain and the research and development test level of the key technologies thereof and greatly shorten the research and development period of the powertrain and the relative parts.

A modular hybrid electrical vehicle system may comprise an electric vehicle and a detachable power plant. The detachable power plant may be operable to externally attach to and provide power for the electric motor vehicle.

A power system for an electric vehicle, the power system comprising at least one power generating device selected from a group consisting of a solar panel, a wind turbine capable of producing electrical power, an auxiliary generator driven by an internal combustion engine, and a generator for producing electrical power mechanically connected to, and driven by the rotational force of an axle of a vehicle. The power system being further comprised of a charging device, a battery control device, at least one battery, a motor control device, an electric drive motor electrically connected to the motor control device, and a driver interface connected to the motor control device. The electric drive motor may be used to generate power through regenerative braking. The wind turbine may be raised outside the body of a vehicle while the vehicle is not in motion. The solar panel may be disposed outside the vehicle while remaining electrically connected to the charging device.

An indicator for use with an electric vehicle having an engine and an electric traction motor. The indicator includes a tachometer gauge for displaying engine revolution speed. The indicator further includes an electric only indicator for displaying whether the vehicle is operating in an electric only mode.

A drive control device is mounted to a hybrid electric vehicle that has an engine and a motor as a running power source, wherein the hybrid electric vehicle runs under a plurality of running modes that is switched in accordance with accelerator operation. The drive control device specifies a present position of the vehicle. The drive control device defines a schedule of the accelerator operation for each of a plurality of sections in a route from an origin to a destination in order to achieve an enhanced fuel efficient running of the vehicle. The drive control device displays a recommended accelerator operation for a present section of the plurality of sections, in which section the vehicle is presently located, in accordance with the schedule of the accelerator operation and the present position of the vehicle.

This disclosure relates to a hybrid electrical drive system for a vehicle, and in particular, to a conversion kit for converting a vehicle with a standard internal combustion engine into a hybrid electrical vehicle. The conversion kit is designed to increase the fuel efficiency and travel range of the vehicle so converted, and to provide additional horse power upon acceleration. The system utilizes a novel arrangement to intercept kinetic energy that would normally be wasted as the vehicle is decelerating or braking. The system converts the kinetic energy to electrical energy to recharge an on board electrical energy supply source for use in assisting with the acceleration of the vehicle.

The invention relates to a dual-clutch transmission applied to a hybrid electric vehicle, wherein an output shaft of a motor / generator is connected with a first driving gear and a second driving gear through a double clutch respectively; an engine shaft of an engine is connected with an engine driving gear through an engine clutch; a second driven gear is meshed with the second driving gear and the engine driving gear respectively and connected with a first driven gear and a main reduction driving gear respectively through a synchronizer; the first driven gear is meshed with the first driving gear; the main reduction driving gear is meshed with a main reduction driven gear; the main reduction driven gear is mounted on a differential mechanism; a first gear clutch starter and a second gear clutch starter are connected with the double clutch respectively; and an engine clutch starter is connected with an engine clutch. The invention further relates to an application method of the dual-clutch transmission. The dual-clutch transmission applied to the hybrid electric vehicle has the advantages of unique design, simple structure, environmental friendliness, high driving range, economical efficiency, and good dynamic property, and generates enormous social and economic benefits.

The system of safe torque monitor for mixed power automobile is one four layer structure including one functional layer for completing various controls, one limiting layer for limiting the extreme values of functional layer signals, a redundant monitoring layer for detecting the functional layer signals and one physical detection layer for detecting the normal operation of the memory areas and the program flows. The present invention can control the output torque of the mixed power automobile and monitor the operation state of the power units to raise the safety and reliability of the mixed power automobile. The present invention also discloses one kind of safe torque monitoring system for mixed power automobile, and the system includes an engine controller module, a multiple power source controller module, a motor controller module, etc and can raise the reliability of mixed power automobile.

The invention is directed toward methods for operating a series hybrid vehicle in a manner that responds to the operator's demand for power output, while maximizing engine efficiency and minimizing disruptions in vehicle drivability. According to principles of the present invention, when the driver of a series hybrid vehicle makes a demand for power output, whether the secondary power source(s) is supplied with secondary energy stored in an energy storage device(s), direct input energy generated by an engine(s), or both, depends on the amount of available secondary energy stored in the vehicle's secondary storage device(s) alone, and in combination with vehicle speed. During the time that the engine is used to generate secondary energy, the power efficiency level at which the engine is operated also depends on the vehicle speed and the amount of available secondary energy stored in the vehicle's secondary storage device alone, and in combination with vehicle speed. Further, in some embodiments, when the engine is not generating secondary energy, the engine is selectively turned off or idled in response to various operating conditions.

A control device for a hybrid vehicle, the hybrid vehicle comprising an engine and a motor as power sources, the control device including: a battery device sending energy to and receiving energy from the motor, a temperature sensor for measuring the temperature of the battery device; a control section which is adapted to execute a warming control operation for the battery device when the temperature of the battery device is low; and a determination section for determining whether a cylinder deactivation operation is permitted for the engine depending on the running state of the engine. The control section executes a vibration control operation for the engine by operating the motor so as to reduce vibration of the engine when it is determined by the determination section that the partial cylinder deactivation operation is permitted for the engine, and to perform the warming control operation for the battery device by executing a vibration control operation for the engine.

The invention enables a novel single-motor and double-clutch type hybrid electric vehicle to be a study object and provides a control method of the process of utilizing a motor to start an engine during vehicle running. First a structure and a working mode of the hybrid electric vehicle are analyzed, a system dynamics model is established, a working range of the hybrid electric vehicle is divided, corresponding torque management strategies are formulated; then in the practical application process, whether the conditions for utilizing the motor to start the engine are achieved is judged by calculating demand torque, value of state of charge (SOC) of a battery, a rotating speed of the motor; and when the conditions for utilizing the motor to start the engine are achieved, model switch is performed, a moment-limiting clutch jointing instruction is sent out, and the processing of utilizing the motor to start the engine is achieved by controlling oil pressure of a moment-limiting clutch hydraulic cylinder and utilizing the formulated torque coordination-control strategies to perform coordination control of motor torque, engine torque and transmission torque of a moment-limiting clutch. By utilizing the advantage that the motor responds fast and timely increasing or reducing the motor torque according to the control strategies, the control method provides the demand torque for starting the engine during the vehicle running or compensates the insufficiency of the engine torque, reduces impact degree in the switching process and improves ride comfort of the hybrid electric vehicle.

The present disclosure provides a power split transmission with two Electric Variable Transmission (EVT) modes and four fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, and four selectively engageable clutches. The clutches are engaged in different combinations to engage the different gears and EVT modes. In the four fixed gears, power is transmitted only on the mechanical path for the highest transmission efficiency. In the two EVT modes, a part of the power is transmitted electrically. Alternatively, the E-motors can be located in the middle integrated with the transmission design. Advantageously, the present invention works with lower component speeds than existing two-mode hybrid transmissions. This can be achieved with a front E-motor design enabling modularity and also with a center E-motor design.

A vehicle powertrain with engine start-stop characteristics is capable of maintaining a vehicle stationary on a roadway with a gradient when wheel brakes are applied to stop the vehicle as the engine is shut down. Vehicle creep and vehicle launch is achieved as the engine is re-started following detection of a brake release signal based on engine speed.

The invention aims to provide a reliable hybrid vehicle battery fault management system and a management method thereof. The management system comprises a vehicle control unit, a battery controller, a motor state monitoring module, a battery voltage monitoring module, a battery current monitoring module, a battery temperature monitoring module, a battery insulation monitoring module, a high voltage precharge monitoring module and a battery equalization monitoring module, and a high voltage loop interlocking monitoring module, wherein the motor state monitoring module, the battery voltage monitoring module, the battery current monitoring module, the battery temperature monitoring module, the battery insulation monitoring module, the high voltage precharge monitoring module and the battery equalization monitoring module are connected with the vehicle controller; the high voltage loop interlocking monitoring module is connected with the battery controller; the battery controller is connected with the vehicle controller and the relay controlling the on and off of a battery high voltage loop; and the vehicle controller is also connected with a fault prompt unit. The management system carries out treatment according to different battery faults and the operation conditions of a motor, ensures the safety of driving and drivers and passengers, improves the safety of a battery system and the service life of the battery pack and makes the whole battery system more reliable.

The invention discloses a minimum equivalent fuel consumption-based hybrid electrical vehicle control method, which comprises the following steps of: acquiring a nominal equivalence factor offline; acquiring signals; identifying working conditions; performing adaptive regulation; and performing optimum control. Under the condition of meeting the requirement of dynamic property, the minimum equivalent fuel consumption-based hybrid electrical vehicle control method is adopted, adaptive regulation can be performed according to an actual working condition, and the electric quantity balance of a storage battery is ensured, so that the performance and service life of the storage battery are ensured. The nominal equivalence factor is acquired through simulation calculation in the offline state, and calculated quantity for real-time control of the whole vehicle is reduced. In addition, different from a global optimal control method in which a future vehicle running working condition is required to be known (the future vehicle running working condition is unpredictable actually), the method has high implementability; and by the method, the real-time optimal energy management decision can be provided, the fuel economy of the whole vehicle is further improved, and the emission is reduced.

A system and method is provided for controlling operation of an electric oil pump in a hybrid electric vehicle (HEV). The HEV includes an engine and a transaxle including an electric motor coupled to a traction battery. A commanded speed for the electric oil pump is determined and whether the engine in the HEV is in an off state is determined. When the engine is in the off state, the electric oil pump is controlled to operate at the commanded speed.

The invention discloses a fault detecting and handling method for a hybrid vehicle and a fault detecting and handling system using the method. The technical proposal is as follows: the method adopts the intelligent control modules of the hybrid vehicle, wherein the intelligent control modules include a hybrid power control unit, an electrical control unit, a battery management system and an engine management system; the fault handling system of the hybrid power control unit is adopted as the fault handling decision center, and the fault handling units of the electrical control unit, the battery management system and the engine management system are adopted as the sub-systems; the decision center and the subsystems cooperate to detect and handle the fault. The system and the method are applicable in the control system of the vehicle (particularly hybrid vehicle) to enhance the fault detection and handling capability.

The invention discloses a battery pack thermal management system for a hybrid automobile. The battery pack thermal management system comprises a path control valve, a battery pack, a primary cooling circuit, a secondary cooling circuit, a preheating device and a thermal management controller, wherein the path control valve comprises an inlet, a first outlet and a second outlet; the battery pack comprises a power battery module, a battery cooling plate, an electronic water pump, a temperature sensor and a first coolant pipeline; the primary cooling circuit comprises a battery heat radiator and a second coolant pipeline; the secondary cooling circuit comprises a third cooling circuit, a compressor, a condenser, an evaporator and a battery cooler, and the battery cooler is positioned on a third coolant pipeline; the preheating device has a charging preheating mode and a driving preheating mode; the thermal management controller is respectively and electrically connected with the path control valve, the electronic water pump, the temperature sensor and the battery cooler. The battery pack thermal management system disclosed by the invention can realize two-stage cooling of the battery pack and solves the problems that a battery cannot discharge at a low temperature and is low.

A drive device for a hybrid electric vehicle includes a power splitting gear set including a first planetary gear set having three rotatable elements of a first sun gear, a first ring gear and a first pinion carrier, a first and second motor / generator. The input shaft is connectable with the first ring gear. The output shaft is connected with the first pinion carrier. The first motor / generator is connected with the first sun gear. The second motor / generator is connectable with the output shaft and the first ring gear. The first ring gear is capable of being fixed to a stationary part.

An indicator for use with an electric vehicle having an engine and an electric traction motor. The indicator includes a tachometer gauge for displaying engine revolution speed. The indicator further includes an electric only indicator for displaying whether the vehicle is operating in an electric only mode.

The present invention relates to engine on-off control method for mixed power automobile. In condition of engine coolant temperature higher than preset value, automobile speed lower than the preset idle speed, air conditioner in off state, no treading on the accelerator pedal, auxiliary braking vacuum pump with certain vacuum degree, etc., the engine will be in idle stop state and may be re-started only after the EMS receiving starting signal. The present invention realizes the idle stop of the engine by means of the EMS, controls the fast starting of the engine with the EMS to control the motor, and makes the engine to jet oil and ignite after the motor drives the engine to certain rotation speed. The said control method can start the engine fast and raise the starting exhaust performance of the engine.

This invention relates a control strategy for a hybrid electric vehicle having an electric motor, a battery and an internal combustion engine. The control strategy improves fuel economy and reduces emissions while providing sufficient acceleration over a varying set of driving conditions through an adaptive control unit with an artificial neural network. The artificial neural network is trained on a pre-processed training set based on the highest fuel economies of multiple control strategies and multiple driving profiles. Training the artificial neural network includes a training algorithm and a learning algorithm. The invention also includes a method of operating a hybrid electric vehicle with an adaptive control strategy using an artificial neural network.

A driving power control device for a hybrid vehicle controls the engagement state of a lockup clutch so that high efficiency in regeneration is obtainable. The driving power control device for a hybrid vehicle includes an engine and a motor-generator as power sources, an automatic transmission disposed between the power sources and driving wheels with an intervening torque converter having a lockup clutch, and an ECU for controlling selection of the power sources and for controlling a slip ratio of the torque converter. In this control device, a target slip ratio of the torque converter, which corresponds to a target amount of regeneration that is retrieved using regeneration amount determining factors, is obtained by executing a feedforward control operation using friction torque determining factors, and the slip ratio is controlled in a feedback manner based on the difference between the target slip ratio and the actual slip ratio.