333 results about "Automotive control systems" patented technology

The invention discloses a range extended electric vehicle control system, and relates to a whole vehicle control system. The range extended electric vehicle control system comprises an engine controlled by the conventional throttling valve, a generator which is integrally connected with a crank shaft of the engine and has functions of generating power and driving, a vehicle-mounted power battery, a whole vehicle controller, a range extender controller, a battery management system, a battery direct current sensor, an engine controller unit, a generator controller unit, a generator end direct current sensor and a permanent magnet synchronous driving motor, wherein the permanent magnet synchronous driving motor, the power battery and the generator are connected to a power line and used for driving wheels, a motor controller, a motor direct current sensor, the throttling valve and a crank shaft position sensor; the range extender controller communicates with the engine controller unit and the generator controller unit and sends a control instruction; and the range extender controller manages power generation energy and controls an auxiliary system according to a demand of a driver and a state of a range extender system. The invention also discloses a range extended electric vehicle control method. The range extended electric vehicle control system and the range extended electric vehicle control method can be used for electric automobiles.

A video recording system is responsive to an automotive controls system. The video recording system includes a video camera, capable of capturing either still photos or video footage. The video camera may be integral to the interior of a vehicle, for example in a navigation unit, or may be coupled to a detachable electronic device like a cellular telephone. The video recording system communicates with the controls system by either hard wire link or wireless link. The controls system includes one or more sensors capable of detecting when a collision has occurred. One such sensor is an airbag deployment sensor. When the controls system detects that a collision has occurred, it sends an actuation signal to the video recording system, thereby causing the video recording system to begin capturing either photos or video footage. This video footage may then be stored locally or transmitted to a remote server. In one application, the video footage may be used by emergency personnel to determine the conditions inside the vehicle immediately following an accident.

The invention discloses a pilotless automobile control system and an automobile with the same. The pilotless automobile control system comprises an acquiring subsystem, a sensing and identifying subsystem, a local map subsystem, a route planning subsystem and a driving control subsystem, wherein the acquiring subsystem acquires vehicle states and driving environment information of the pilotless automobile, the sensing and identifying subsystem analyzes the vehicle states and the driving environment information so as to extract obstacle information and tracking movement target information, the local map subsystem sets up a local map by utilizing the pilotless automobile as the center according to the obstacle information and the tracking movement target information, the route planning subsystem can generate driving routes of the pilotless automobile according to the preset map and the local map and plan a local route according to the driving route, the obstacle information, the tracking target information and the traffic rules, and the driving control subsystem generates control commands according to the local route planning and controls the pilotless automobile according to the control commands. Data and system processing in various automobile driving environments can be completely considered, and pilotless driving is more reliable.

The invention relates to a pilotless automobile control system and method with the social behavior interaction function. The pilotless automobile control system analyzes the driving intention of other vehicles, and has control over the traveling state of the automobile with the pilotless automobile control system according to the driving intention of other vehicles. According to the pilotless automobile control system and method with the social behavior interaction function, social behavior interaction can be carried out according to the driving intention of other vehicles, and therefore traveling safety of the pilotless automobile is improved.

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 discloses an intelligent vehicle-mounted GPS (global positioning system) navigation anti-collision warning system which consists of a GPS navigation module, a speed computation module, a central processing unit, an early warning signal module, an environment sensing module, an infrared distance measuring module, a radar speed distance module, a laser distance measuring module, an ultrasound distance measuring module, an image collecting module, an information processing module, an image processing module, a tail warning device, an audio video system, a display screen and an early warning power amplifier, wherein the speed is detected by the GPS, and the distance is detected by the distance measuring module, dangers which can cause tailgating at the front and at the back of a vehicle can be founded in time, so that a driver can be warned to travel normally and drive safely, functions of GPS navigation and audio video are realized, and no part of a vehicle control system needs to be changed.

The invention relates to a stroke-increasing electric automobile control system, comprising a stroke-increasing device which is used for supplying power for a high-voltage storage battery, the high-voltage storage battery is connected with a driving motor which integrates generating and driving functions into one body by a motor control unit (MCU), the motor control unit (MCU) is communicated with a vehicle management system (VMS), and the driving motor drives the vehicle to drive. The invention also discloses a control method of the stroke-increasing electric automobile control system. The invention uses the stroke-increasing device to supply power and utilizes the driving motor to generate, thus prolonging the endurance mileage from the two aspects. Namely, on the one hand, whether the stroke-increasing device needs to be started to generate electricity is determined according to the storage battery state of the high-voltage battery of the vehicle; and on the other hand, when a driver has no driving need, the control system enables the driving motor to generate electricity so as to recover energy of the vehicle kinetic energy, thus prolonging the endurance mileage.

The present invention provides a distributed driving automobile control system based on hierarchical coordination. The system comprises a vehicle speed sensor, a steering wheel steering angle sensor, a steering wheel torque sensor, a power-assisted motor armature current sensor, a throttle pedal signal processing module, a brake pedal signal processing module, a driving motor state monitoring module, a gyroscope, a CAN bus, a coordination controller, an electric power steering system (EPS) controller, a torque distribution controller, a right front wheel driving motor controller, a left front wheel driving motor controller, a right back wheel driving motor controller and a left back wheel driving motor controller, a power-assisted motor and four driving motors. The present invention also provides a distributed driving automobile control method based on the hierarchical coordination. The system and method of the present invention enable the mutual influence of an EPS and a torque distribution system to be reduced effectively, carry out the working condition coordinated control on the EPS and the torque distribution system on the basis of guaranteeing the optimal comprehensive performance of a whole automobile, and enable the handling stability of a distributed driving automobile to be improved effectively.

Sensor data of respective controlled objects of a vehicle are collected by calling a vehicle remote-control system provided to the vehicle via a mobile phone, and then these data are displayed on an LCD display panel 11c of the mobile phone. In this state, the controlled object to be remotely controlled is selected by operating a cursor (30) and an ON / OFF setting button (31), and then its ON or OFF state is set. At this time, the remote-control command data are transmitted to the vehicle remote-control system from the mobile phone to set the corresponding controlled object. The condition is transmitted once again to the mobile phone as the sensor data, and is displayed on the LCD display panel (11c).

The invention discloses an automobile control system based on traffic light recognition, which comprises a controller and a video camera connected with the controller. The controller comprises a communication module, an image processing module and an information processing module connected with the communication module and the image processing module. The invention further discloses a control method corresponding to the control system. The control method includes: acquiring images of road conditions before a vehicle, extracting characteristic information in the images; and performing corresponding judgment according to the characteristic information of the images and operating information of the vehicle. Corresponding feasible voice prompts are provided for a driver in judgment of passing through crossings, and accuracy of driving judgment of the driver can be improved greatly. Further, even the driver makes false judgment and insists on passing through the crossings, the automobile control system can automatically control the vehicle to decelerate and brake, automobile collision accidents can be avoided, and physical safety of drivers and other people can be guaranteed.

The invention discloses an automobile control system software upgrading system and method. The method comprises the steps that an OTA server stores software upgrading packages of a vehicle-mounted CANcontroller and a vehicle-mounted Ethernet controller, and a remote information processor downloads the software upgrading packages of the vehicle-mounted CAN controller and the vehicle-mounted Ethernet controller from the OTA server; the central safety gateway performs integrity verification on the software upgrade packages of the vehicle-mounted CAN controller and the vehicle-mounted Ethernet controller, and sends the software upgrade packages of the CAN controller to the vehicle-mounted CAN controller for software upgrade; sending the software upgrading packet of the vehicle-mounted Ethernet controller to the vehicle-mounted Ethernet controller through the Ethernet for software upgrading; the vehicle-mounted CAN controller carries out firmware upgrading on the vehicle-mounted CAN controller according to the vehicle-mounted CAN controller firmware information table and by utilizing the firmware flashing task table; the upgrading efficiency of the automobile control system software can be improved, and the development period of the automobile control system software is shortened.

Disclosed is an automotive control system and a method for operating the same, the method including receiving a user input through an input device provided on a steering wheel, and controlling a display that is located in front of a driver's seat based on the user input, wherein the input device is located on one side and an opposing side of the steering wheel and is composed of a display including a touch screen.

The invention provides a control system and pre-start method of a blade electric vehicle. The method comprises the steps that 1, the vehicle state information is collected; and 2, whether to take the pre-start strategy or not is determined according to the vehicle state information. A motor gives out a small calibrated torque before the vehicle starts, so that gears of a transmission system of the vehicle are all in an engaged state, various start patterns start according to the intention of a driver, and shaking caused by impact to the transmission system of the vehicle is reduced; and meanwhile, mechanical abrasion can be reduced, and start noise can be lowered. There is no need to change the structure of an existing vehicle or additionally arranging hardware equipment like sensors, and implementation is easy. Through the control method, the vehicle can start quickly and stably, and meanwhile, coasting during starting of the vehicle can also be avoided.

The invention relates to a control system and method for an electric vehicle. The system comprises a vehicle control unit, a rear driving motor, a rear driving motor controller, an automatic transmission, a first hub motor, a second hub motor, a first hub motor controller, a second hub motor controller, a sensor module, a battery and motor high-voltage power supply device and a power source management system, wherein the rear driving motor is mechanically connected with two rear wheels through the automatic transmission, the automatic transmission is integrated in the rear driving motor and connected with the two rear wheels through a driving axle, and the first hub motor, the second hub motor, the first hub motor controller and the second hub motor controller are installed in hubs of two front wheels correspondingly. The two front wheels can be controlled independently and do not slip, and thus tire abrasion is reduced. The rear driving motor integrated with the automatic transmission is adopted, the rear driving motor is made to work in a high-efficiency zone, the service life of the rear driving motor is prolonged, and the mileage is increased. Four-wheel driving is adopted so that emergency acceleration can be achieved. Motor auxiliary braking control is adopted, so that the braking performance of the whole vehicle is improved. Energy loss is reduced by recycling braking energy.

A control system for an electric vehicle includes: an electricity storage device that performs charging and discharging of electrical power; a plurality of load devices that receive supply of electrical power from the electricity storage device and perform operations; and a control device that controls the electricity storage device and the plurality of load devices. And when electrical power is supplied from the electricity storage device to the plurality of load devices, the control device calculates a charge / discharge efficiency of the electricity storage device and a working efficiency of each of the load devices, and regulates an amount of electrical power supplied from the electricity storage device to each of the load devices, so as to enhance an overall efficiency of the electricity storage device and the plurality of load devices.

A method is provided for securely communicating protected data to a vehicle of a vehicle fleet. The method includes encrypting the protected data, which is configured to update the vehicle's automotive control systems, with an encryption key. The encrypted protected data is transmitted to the vehicle over a selected network of one or more data networks based on bandwidth, cost, and geographic access to the vehicle. The data networks provide narrower geographic access to the vehicle than a satellite constellation network. The satellite constellation network operates as an out-of-band side-channel to provide security enhancement to the data networks. The encryption key is also encrypted using a first key of a key-encryption key (KEK) pair and can be decrypted by a second key of the KEK pair which is in the vehicle's possession. The encrypted encryption key is transmitted directly to the vehicle over the out-of-band satellite constellation network.

The embodiment of the invention discloses a real-time fault diagnosis method and device. The method comprises the steps that an operating signal of a controller of a terminal to be diagnosed is acquired in an A / D acquisition mode, and a fault signal of a motor control system of the terminal to be diagnosed and a fault signal of a battery control system of the terminal to be diagnosed are acquired through a CAN bus; the adjusted operating signal, the fault signal of the motor control system and the fault signal of the battery control system are subjected to fault grading processing; the fault state of each diagnosis event is updated according to the fault grading processing result, fault information of the diagnosis events is stored in a fault storage module after the terminal to be diagnosed is powered off, and the fault information of the diagnosis events comprises fault codes and fault state information. Therefore, a self-diagnosis function, namely, a car-mounted diagnosis function, is set in an automobile control system; real-time diagnosis is carried out through diagnosis equipment in a car, and the diagnosis information is stored in a memorizer in the form of the fault codes.

An object of the present invention is to enhance the accuracy and the level of detail of an abnormality diagnosis by checking a transmitting-end application or controller for an abnormality by using abnormality diagnosis results concerning a plurality of communication messages. Disclosed is an automotive control unit having a plurality of applications for controlling a vehicle-mounted device and a common execution environment section for permitting the applications to exchange data with each other. The automotive control unit includes a communication protection section that, when the applications exchange data with the common execution environment section, checks the data for an abnormality, and a system abnormality check section that determines in accordance with an abnormality check result produced by the communication protection section whether the system is abnormal.

The invention relates to a displacement control method for a hub motor fluid power system variable pump, and belongs to an automobile control system. The revolving speed of front wheels follows the revolving speed of rear wheels. The displacement control method is mainly divided into static regulation and PI (proportional integral) regulation, wherein the static regulation comprises two steps of gear estimation and displacement table search; the table is directly searched according to the estimated gear to obtain a constant value displacement, i.e. the static displacement; the PI feedback regulation of the difference value of the front wheel speed and the rear wheel speed needs to be added to correct the static displacement. The displacement control method for the hub motor fluid power system variable pump has the advantages that the front wheel speed and the rear wheel speed of the automobile can be consistent under the control of the control method when the system is under the auxiliary driving working condition, and the trackslip efficiency of the whole automobile is optimal while the hub motor fluid power system is controlled to obviously improve the passage capacity of the whole automobile on a low-adhering road surface or a road surface with a big slope.

Systems are provided to increase the robustness of a low-cost GPS system by coupling it with an INS system, and by using one-satellite attitude determination in conjunction with the traditional multiple-satellite method. The system has demonstrated accuracy and robustness approaching needed standards for automobile control systems. The applications of this system are abundant, including real-time vehicle system ID, slip angle estimation, position estimation by GPS and dead reckoning, as well as sophisticated control systems.

The invention relates to an automobile information interaction device and especially relates to an information interaction system with display screens installed on a front part and a tail part of an automobile body. The system comprises a control module and the display screens, wherein the control module is equipped with a control key and a help calling key and connected to an automobile control system, and the control module is used to send a detection instruction to the automobile control system, process a signal received from the automobile control system, generate a control system and output the control signal to the display screens on the front part and the tail part of the automobile body; and the display screens are disposed on the front part and the tail part of the automobile body respectively, connected to the control module and used to receive the control signal and display an image or texts on the display screens according to the control signal. The system provided by the invention solves the problems that a traditional automobile signal lamp and traditional whistling cannot convey information clearly; identification effects are poor; and users' experience is bad.

The invention discloses a tunnel driving lamp control method and system, and a mobile terminal. The method comprises the steps that a navigation system obtains real-time road conditions and vehicle speed information; an automobile control system starts an illuminating lamp and gradually reduces the brightness of the illuminating lamp when the distance between an automobile and a tunnel entrance is n1 m; the automobile control system turns off the illuminating lamp and turns on a dipped headlight after the automobile enters into the tunnel; the automobile control system turns on the illuminating lamp and gradually increases the brightness of the illuminating lamp when the distance between the automobile and the tunnel entrance is n2 m; and the automobile control system turns off the illuminating lamp and the dipped headlight after the automobile comes out from the tunnel. Therefore, the method controls the gradual change of the brightness of the illuminating lamp before the automobile drives into or out of the tunnel, enables a driver to gradually adapt to the change of ambient light, and avoids risks caused by the abrupt change of brightness.

The invention discloses a new-energy automobile power supply system with low-voltage batteries cancelled. According to the requirements of the power supply system of a new-energy automobile, two low-voltage battery replacing schemes are proposed, and power is supplied to all low-voltage power use devices of the new-energy automobile through a high-voltage battery pack; a new power supply module uses a simple voltage stabilization module to maintain normal operation of a high-voltage DC-DC module, so that a battery electric vehicle control system normally and stably operates, and all power usedevices work normally after high voltage is supplied; and the voltage stabilization module is integrated in a controller control panel, the existing low-voltage storage batteries are completely replaced, and the size of the whole automobile is reduced. The combination of relays is applied to work, and the performance requirements of the DC-DC module and the low-voltage batteries of an existing system are completely changed.

The invention which relates to a pouring sealant for electronic components of an automobile control system and a preparation method thereof belongs to the technical field of high molecular materials. The pouring sealant comprises a component A and a component B, wherein the component A comprises, by weight, 90-120 parts of alpha-omega-dihydroxypolydimethylsiloxane, 20-35 parts of silicone oil, 4-6 parts of a heat conduction filler, 45-75 parts of a flame retardation filler and 30-35 parts of heavy calcium carbonate; and the component B comprises, by weight, 80-90 parts of the silicone oil, 17-20 parts of a crosslinking agent, 5-6 parts of a coupling agent, 1.5-3 parts of a catalyst and 2-3 parts of a colored slurry. The pouring sealant has the advantages: above formula is reasonable, so the flame retardation of the pouring sealant can be effective increased, the heat conduction effect can be greatly improved, and heat radiated by the components in an integrated circuit board is timelyand effectively conducted to the outside; the electrical property is excellent; the adhesion is good; and the corrosion resistance is ideal. A recommended preparation method of the pouring sealant has the advantages of concise process, and low requirements on the process and equipment.

The invention relates to the technical field of an electric vehicle control system, and specifically relates to a power supply circuit of an electric vehicle controller. The power supply circuit of the electric vehicle controller, through a key switch signal end, outputs a key switch signal to a master control unit (MCU) so as to control wakening and switching of the MCU; furthermore, through arrangement of a reversal connection protection unit, reversal connection protection is provided; through arrangement of a surge voltage protection unit, surge voltage protection is provided; and furthermore, through arrangement of a MOS transistor with a freewheeling diode, reversal connection protection and turning-off control of a driving power processing circuit are realized, and inductive load turning-off surge voltages are released to a battery. Therefore, various functions and safety needs of vehicle control of an electric vehicle are taken into full consideration, thus forceful technical support is provided for improvement of the reliability and stability of the electric vehicle controller.

Proposed is an automotive car system (1), and method thereof, associated with a plurality of autonomous or partially autonomous driving motor vehicles (41 to 45). The autonomous or partially autonomous motor vehicles (41 to 45) comprise exteroceptive sensors (4011) for sensing environmental parameters (40111), and proprioceptive sensors (4012) for sensing operating parameters of the motor vehicles(41 to 45). The motor vehicles (41 to 45) further comprise an autonomous or partially autonomous driving control system (461 465) interpreting the sensory data (40111 / 40121) of the exteroceptive andproprioceptive sensors (4011 / 4012) and identifying appropriate navigation paths and / or obstacles and / or relevant signage. The motor vehicles (41 to 45) or the automotive control systems (461 465) are connected to a central, expert-system based circuit (11) by means of a data link (21) transmitting at least usage-based (31) and / or user-based (32) and / or operating (33) automotive data (3) to the central, expert-system based circuit (11), and wherein the usage-based (31) and / or user-based (32) and / or operational (33) automotive data (3) are based on the sensory data (40111 / 40121) and / or operating parameters (4611) of the automotive control system (461 to 465). The automotive car system (1) provides an automated first and / or second risk-transfer based on dynamic generated first and / or second risk transfer parameters (501 to 505 / 1021 to 1025) from the motor vehicles (41 to 45), wherein by means of the central, expert-system based circuit (11) the first and / or second risk transfer parameters (501 to 505 / 1021 to 1025) and correlated first and / or second payment transfer parameters (1021 to 1025 / 1221 to 1225) are dynamically generated, adapted and / or optimized, wherein, in the case of triggering the occurrence of one of defined risk events (61 63), the occurred loss (71 to 75) is automatically covered by the automotive car system (1).

The invention discloses an intelligent network electric vehicle control system and a control method thereof. The system is characterized by comprising a main control processing unit, a V2X informationinteraction unit, an environment and vehicle state sensing unit, a full vehicle CAN network, a vehicle motion state control unit, and a driving execution unit. Through the V2X information interactionunit, environment information such as road information and state information of other vehicles are received; the environment and vehicle state sensing unit detects the environment around the vehicleand vehicle state information; all information is provided to the main control processing unit through the full vehicle CAN network; and the vehicle motion state control unit controls the state of thevehicle by controlling the driving execution unit. The problems that the universality of an intelligent vehicle control system is low and the cost is high are solved. The traffic efficiency of intelligent vehicles is improved, the traffic jam is relieved, and the traffic accidents are reduced.

The invention discloses a temperature controllable steering wheel which comprises a steering wheel frame, a refrigeration assembly and a heating assembly, wherein the refrigeration assembly and the heating assembly are arranged on the steering wheel frame. A temperature sensor is arranged on the steering wheel frame. The temperature sensor, the refrigeration assembly and the heating assembly are respectively connected with an automobile control system. The temperature controllable steering wheel and a method for controlling the temperature of the steering wheel have two functions of refrigerating and heating. The temperature of the steering wheel is collected in real time through the temperature sensor, the heating assembly and the refrigeration assembly are controlled by the control system to work to enable the temperature of the steering wheel to be in a set value all the time, and driving comfort and driving safety are improved.

The invention discloses an automobile control method, device and system, and belongs to the technical field of automobile control. The method comprises the following steps: acquiring the setting information of an automobile; storing the acquired setting information into terminal equipment; when the setting information sent by the terminal equipment is received, controlling automobile equipment according to the setting information. With the adoption of the automobile control method, the automobile equipment can be correspondingly regulated according to terminal equipment of different users, so that the personalized setting of the equipment in the automobile can be safely, reliably and efficiently realized, and the driving experience of the user is remarkably improved.

A system for controlling on-board air-conditioner according to the present invention includes input / output means such as sensors and driving motors, a control means such as a microcomputer, and input / output circuits connecting the input / output means to the control means. Means for generating diagnosis information, such as failure flag-setting circuits, feedback circuits and current sensors detecting sensor signals, are included in the input / output circuits. Upon receiving a request for diagnosis from an outside diagnosis device, diagnosis data including positions and nature of the failures occurred in the control system are outputted, taking into consideration the diagnosis information generated and stored in the control means. The diagnosis data may be displayed on a display panel of the outside diagnosis device. The diagnosis information generating means may be simply added to existing input / output circuits to thereby constitute cost-effectively the control system having a diagnosis function.