922 results about "Driving range" patented technology

A retrofit system for converting a hybrid vehicle to a plug-in hybrid comprises a battery for storing a charge sufficient to provide a vehicle with an electric-only driving range in excess of 5 miles, a battery management system for monitoring battery parameters indicative of the state of battery charge to produce a signal indicative thereof; and a control unit responsive the battery management system to report an inflated state of battery charge to the hybrid vehicle's hybrid control system to maintain the gasoline engine in a deactivated condition over an extended driving range.

The described method and system improve electric-power driving range for electric vehicles, i.e., electric-only, hybrid electric, and other vehicles that draw electrical power from an on-board storage system for propulsion. The described system uses synergy among selected data sources to provide charging prompts and route assistance to allow the vehicle user to operate his or her vehicle in a more economical fashion by ensuring timely and cost effective charging.

In a vehicular power transmitting apparatus provided with an electrically-controlled differential portion in which controlling an operating state of an electric motor controls a differential state of a differential mechanism, a control device for starting up a drive force source in an appropriate mode depending on a vehicle condition can be provided. The control device includes drive-force source start control means 86 for switching start modes of an engine 8 depending on a vehicle condition to achieve an appropriate start mode for the engine 8 depending on the vehicle condition, so that for instance a contracted drive range by a second electric motor can be avoided.

The technology described herein provides a system and method for automatically increasing the remaining driving range of a vehicle when a low fuel or other condition is detected by altering the operating parameters of one or more vehicle systems to improve propulsion system efficiency and thereby lower fuel consumption. The vehicle range extending system is capable of altering the operating parameters of any vehicle system, including for example variable displacement settings, start-stop technology settings, and HVAC operation. The disclosed technology can also provide information to the driver, suggesting which system operating parameters should be altered to reduce the fuel consumption rate.

The invention relates to a range-extending electric vehicle control system and method, belonging to the technical field of vehicle control of electric vehicles. The range-extending electric vehicle control system comprises a vehicle-mounted power battery, a driving motor, a range extender, a transmission box, a vehicle control unit (VCU), a battery management system (BMS) and a motor control unit (MCU), wherein the range extender consists of a small-sized engine, a power-generating/driving integrated generator, an engine control unit and a power generator control unit; the range extender is used for supplying power to the vehicle-mounted power battery or directly driving the motor; the vehicle control unit is used for carrying out vehicle traveling drive control according to the driver demands and states of all subsystems of the vehicle, managing the vehicle energy and transmitting instruments of various working states to sub nodes of the range extender. According to the range-extending electric vehicle control system and method disclosed by the invention, on the promise of battery system safety and service life and with avoidance of frequent start and stop of the range extender as a target, control over power generation through braking energy recovery and control over power generation of the range extender are coordinated; and when the electric vehicle travels for a long trip, the range extender can be controlled to start or stop, and thus the requirement of extending the driving range of the vehicle is met.

The invention provides a pixel driving circuit, a driving method thereof, a display panel and a display device. The pixel driving circuit comprises a driving transistor, a first storage capacitor, a second storage capacitor, a threshold compensating unit, a data write-in unit and a light emitting control unit. The threshold compensating unit makes the driving transistor be conducted in a threshold compensating period for realizing electric discharging to a resetting voltage line until the driving transistor is switched off. The data write-in unit makes data voltage be written into the gate of the driving transistor in each data write-in period. The light emitting control unit makes the driving transistor be conducted in a light emitting period for driving a light emitting element emit light. The total charge amount of the first storage capacitor is equal to the total charge amount of the second storage capacitor in the threshold compensation period and the data write-in period. The charge amount of the first storage capacitor in the data write-in period is equal to the charge amount of the first storage capacitor in a light emitting control period. The pixel driving circuit can realize different compression ratios of the data and enlarges data driving range of a driving integrated circuit.

The invention discloses a driving range estimation method of an electric car. The driving range estimation method of the electric car comprises the following steps: 1.1 a planned route and the future microcosmic traffic state of the route are obtained according to a set departure site, a destination and the departure time; 1.2 an aggregative variable is calculated based on the obtained speed per second and an acceleration; 1.3 a built electric car electricity consumption rate model is selected according to different driving conditions, and electricity consumption per second is calculated by combining the calculated aggregative variable; and 1.4 residual electric quantity of a current battery is obtained, residual energy of the battery is calculated, and residual range is obtained through circular calculation by combing the electricity consumption of the car. The driving range estimation method of the electric car takes the influence of a real traffic state on the energy consumption of the electric car into account, and overcomes the defect that the estimation result of an existing method is not accurate enough.

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 invention provides a method and system for estimating future average power consumption of an electric automobile. Historical average power consumption is calculated and is used for estimating the future average power consumption, so that timely and accurate future average power consumption information is provided for a driver. The invention further provides a method and system for estimating the remaining driving range of the electric automobile. The remaining driving range of the electric automobile is acquired according to acquired remaining capacity and the electric automobile future average power consumption which is obtained through the method and system for estimating the future average power consumption of the electric automobile. Accordingly, the timely and accurate information of the future average power consumption and the remaining driving range can be given to the driver, and the driver can plan routes and choose the charging time conveniently. The acquired remaining driving range of the electric automobile is subjected to saturation processing and one-order inertia filtering processing, so that the circumstance of high-low mutation does not occur to the finally-obtained value of the remaining driving range of the electric automobile, and the remaining driving range under the current situation is truly reflected.

The invention relates to an automatic quick plug connection draw type electrical car cell box. The cell box comprises a cell unit formed by connected single cells, an internal box, an external box, a front door and a full-pull load slide, wherein the cell unit and the front door are fastened together tightly by a fastener, the cell box carried by the internal box is accommodated in the external box. With the help of the full-pull load slide arranged between the internal box and the external box, the cell unit arranged inside the internal box can be pulled out of the external box easily to supply stable electrical power through automatic quick plug joint mechanisms arranged on the back parts of the internal box and the external box, thereby realizing the quick assembly and disassembly of the whole cell unit, solving the problem of safety use of lithium batteries, facilitating the maintenance and expanding the driving range.

A hybrid vehicle control apparatus is provided with an engine, an electric motor, a holding element, an automatic transmission, a range position detecting device and a controller. The holding element is arranged between the engine and the electric motor to selectively connect and disconnect the engine and the electric motor to and from each other. The automatic transmission is arranged between the electric motor and a drive wheel. The range position detecting device detects a range position of the automatic transmission selected by a driver. The controller executes a control operation serving to stop the engine while also executing a slip control serving to lower a torque transfer capacity of the holding element upon a determination that a request to stop the engine has occurred while the engine is operating, the holding element is engaged, and the automatic transmission is detected in a non-driving range.

The invention discloses a range extending type whole electric automobile control system and method. The control system comprises a low-pressure automobile body CAN control system, a whole automobile controller, a motor controller, a generator controller, a battery management system and an insulating detecting unit. According to the control method, when the energy of an automobile power battery is stored sufficiently, a pure electric work mode can be achieved, energy is saved, and environmental friendliness is achieved; when the energy storage consumption of the power battery reaches to a certain degree, the mode of an automobile is switched into a range extending mode, a generator is driven to work to generate electricity to compensate for certain energy, and therefore the driving range of the automobile can be increased. According to the control system and method, the automobile can work in a pure electric mode so that emission can be reduced, the automobile can work in the range extending mode so that the driving range can be increased, the whole automobile control and the energy distribution management of the range extending type electric automobile are achieved, low emission can be achieved, and the driving range can be increased.

The invention discloses a method for estimating the driving range of an electric car. The method comprises the steps of obtaining a current measuring value of a power battery, and calculating a current status value of the battery; obtaining a historical energy consumption value and the historical driving cycle of the whole car, predicting the future driving cycle, and calculating a predicted value of the future energy consumption of the whole car; predicting the residual usable energy of the power battery under the predicted value of the future energy consumption of the whole car according to the predicted value of the future energy consumption, the current measuring value of the battery and the current status value of the battery through an electricity-heat coupling model of the battery; and calculating the driving range of the electric car according to the predicted value of the future energy consumption of the whole car and the residual usable energy. According to the method, the residual usable energy of the power battery under the future running condition is predicted, and the accurate driving range of the electric car is calculated through prediction of the future driving cycle and by prediction of energy consumption of the car in a future period by combining the energy consumption model of the whole car, so that the mileage anxiety of passengers is reduced.

The invention relates to a drawing wire type serial mechanical arm which has two degrees of freedom (DOF) at wrist joint, one DOF at elbow joint and two DOFs at shoulder joint. The whole structure of the mechanical arm comprises a seat driving box, a joint rod and a joint drive mechanism. The driving motor of each DOF is mounted on the seat driving box of the mechanical arm, the motive power of the motor is transferred to the mechanical arm by manipulating the drawing wire, thus overcoming the influence of motor weight mounted on the mechanical arm to the carrying capacity and movement flexibility of the mechanical arm; forward and backward movement of each DOF of the mechanical arm can be realized by the forward and backward rotation of each detached driving motors, so that the drawing wire can maintain in tense state in the movement process, thus solving the unidirection property that means drawing but not compressing in the driving process; in the invention, the size and position of the pulley wheels are artfully configured, the effectively overcoming the defects such as small driving range and easy interference between wires in the driving process of parallel wires.

The invention belongs to the field of motor control, and provides an efficiency optimizing method of a master-slave type multi-motor driving system. The efficiency optimizing method comprises master motor independent driving steps, slave motor independent driving steps and dual-motor synergetic driving steps. The principle of efficiency optimizing in dual-motor synergetic driving comprises the steps of obtaining a distribution ratio corresponding to the smallest instantaneous power loss of the multi-motor driving system by changing the distribution ratio of a master motor and the distribution ratio of a slave motor, and therefore obtaining torque and the rotation speed of the master motor and the slave motor when efficiency is optimal. According to the efficiency optimizing method of the master-slave type multi-motor driving system, output power of the master motor and output power of the slave motor can be optimized and distributed in real time according to different traveling working conditions of a vehicle, comprehensive advantages of the different motors are sufficiently expressed, the efficiency of the complete vehicle is kept optimal all the time, therefore, the driving range of the electric vehicle can be effectively prolonged, and economy and dynamic performance are improved.

A space-borne multichannel microwave switch testing device comprises a programmable power supply, a switch state driving module, a switch telemetering acquisition module, a radio frequency switch matrix set, a detector, a signal source, an oscilloscope, a vector network analyzer and an industrial personal computer. The industrial personal computer controls the value of voltage outputted by the programmable power supply through a network, controls switching of the radio frequency switch matrix set, controls the switch state driving module to produce commands of independent driving switches in N*4 channels, controls the switch telemetering acquisition module to collect state telemetering signals of independent detected switches in N*4 channels, controls the signal source to produce continuous wave signals, controls the oscilloscope to obtain driving current values of the detected switches and switching time of the detected switches, and controls the vector network analyzer to obtain radio frequency S parameters of the detected switches; state conversion threshold voltage of the detected switches is obtained by changing driving ranges of driving commands; the service life of the detected switches is obtained by recording accurate state conversion frequency of the detected switches.

A game system that converts golf ranges, practice cages and fields, and sports arenas into a competitive and entertaining group activity, improving the players skills of the game while making it more fun to do so. The system comprises a game engine or computer, a plurality of targets, sound reinforcement, and an optional scoreboard. The optional scoreboard, much like those used in baseball or football, provides mass communications of ongoing scores and time remaining. The sound reinforcement provides a parallel form of the same of similar information and the sound effects associated with target impact and game success. These elements can be connected together by wire, or wireless means. This combination allows for the teaching and support of the games by means of sound and visual communications, which provides the player with all the instructions, game status and rewards.

A management system for a battery cell pack, the management system including a controller determining an adjustable charge profile for the battery cell pack wherein the adjustable charge profile includes an operational parameter identifying a next operation drive range mode from a set of drive range modes for the battery cell pack wherein each the drive range mode includes a state of charge (SOC) window between a charge SOC and a discharge SOC, with the set of drive range modes including a first drive range mode having a first SOC window and including a second drive range mode having a second SOC window less than the first SOC window; and one or more energy transfer stages to produce the charge SOC of the next operation drive range mode in the battery cell pack.

This invention pertains to an economical method of easy conversion of any internal combustion fueled vehicle into a fuel saving hybrid electric vehicle (HEV) by an add-on kit, without replacing the engine and with a minimal modification of the vehicle body. The converted vehicle has a substantially longer driving range on the same amount of fuel than the vehicle before this conversion.

A vehicle headlight unit comprising a sensor-controlled corrective device for the light beam pattern generated by the dipped low beam, at least one central headlight for driving in a straight line and one respective lateral headlight positioned to the right and left thereof, with right-hand headlight for illuminating left-hand bends and the left-hand headlight for illuminating right-hand bends. Each headlight is rotated away from the horizontal position about its optical axis through an incline-compensation angle, so that the outer edge that lies at a distance from the central headlight is in a lower position than the latter. The corrective device comprises an electronic control unit, which activates at least the central headlight within a driving range for a substantially upright driving position and when bends are negotiated and a minimal tilting angle is exceeded, deactivates the central headlight and activates either the left-hand or right-hand headlight.