Xiamen Yaxon Zhilian Technology Co., Ltd.

Xiamen Yaxon Network Co., Ltd

Xiamen Yaxon Zhillian Technology Co., Ltd.

Yankai Tu

Xuhui Ye

Yuan Chen

Tengyuan Luo

Junfang Lai

Weibin Chi

Gang Ji

Hui Li

Hejie Zhou

Jianyun Qu

Chaoyang Huang

The present disclosure relates to a data traffic control method and system for an electronic horizon bus, the method including: generating, by an electronic horizon device, a traffic notification message according to bus messages, and sending to a bus gateway; and after the bus gateway receives the traffic notification message, determining, according to a load ratio of a target bus, whether forwarding the bus messages directly to the target bus would result in exceeding a reasonable load of the target bus, performing traffic control and then performing forwarding if exceeding, or performing direct forwarding if not exceeding.

Data traffic control method and system for an electronic horizon bus

The present invention discloses an optimized energy allocation method and system for an electric vehicle and an electric vehicle. The method includes step () detecting remaining charge levels of a first super-capacitor and a second super-capacitor, determining whether the remaining charge levels of the first super-capacitor and the second super-capacitor are greater than a preset threshold value, and if so, proceeding to step (); step () acquiring a topographic map of a road ahead by means of an electric horizon system, predicting whether there is a continuous slope ahead, and if so, proceeding to step (); and step () according to a continuous slope value ahead, predicting a braking force allocation proportion when carrying out braking ahead, allocating current power outputs of the first super-capacitor and the second super-capacitor in advance according to the braking force allocation proportion, and returning to step ().

Optimized energy allocation method and system for electric vehicle and electric vehicle

The present disclosure discloses a dynamic control system and method for power of a vehicle. The system includes: an electronic horizon system, configured to obtain slope information and to send the slope information to a power controller; an accelerator pedal, configured to output accelerator pedal depth information to the power controller; and the power controller, configured to fit a power output curve for entering a next slope, and to control an engine or a motor of the vehicle to output a torque according to the power output curve. The present disclosure can generate the power output curve for a next road segment in real time.

Dynamic control system and method for power of vehicle

The present invention relates to an energy management method and terminal device for an electric vehicle, and a storage medium. The method includes: calculating a predictive dynamic threshold in real time according to electronic horizon data, and setting an energy output/recovery proportion of a battery and a supercapacitor of the electric vehicle according to the predictive dynamic threshold. According to the present invention, the road ahead is predicted based on the electronic horizon system, and the predictive dynamic logic threshold is generated according to the electronic horizon information, thereby overcoming the defect that the conventional fixed logic threshold is incapable of predictive optimal energy management. A corresponding energy management strategy is set for predictive energy management according to the predictive dynamic logic threshold, thereby playing a positive role in reducing energy consumption of the electric vehicle, preventing battery loss, improving vehicle economy, etc.

Energy management method and terminal device for electric vehicle, and storage medium

Provided are a method for predicting an energy consumption-recovery ratio of a new energy vehicle, and an energy saving control method and system for the new energy vehicle. The method includes: (1) acquiring, by means of an electronic horizon system, geographic information data of a position that is K meters ahead on a road from a current position of the new energy vehicle; (2) compiling statistics on speed information during the process of the new energy vehicle traveling S meters to reach the current position, values of K and S being the same; and (3) taking the geographic information data and the speed information as input vectors, inputting the same into a trained artificial neural network, and outputting a predicted energy consumption-recovery ratio. The present disclosure can optimize energy control over the vehicle, improve the utilization rate of electrical energy, and increase the traveling mileage.

Method for predicting energy consumption-recovery ratio of new energy vehicle, and energy saving control method and system for new energy vehicle

The present disclosure relates to a method for controlling a following distance based on terrains, a terminal device, and a storage medium. The method includes the following steps: S1. dynamically acquiring a slope θ of a current driving road; S2. calculating a dynamic following distance d based on the slope θ; S3. determining whether d is within an acceptable following distance range [d1, d2], if d is within the range, controlling the following distance of a vehicle to be d, otherwise proceeding to step S4; and S4. if d is smaller than d1, controlling the following distance of the vehicle to be d1; and if d is greater than d2, controlling the following distance to be d2. With the method of the present disclosure, the following distance can be automatically and dynamically adjusted based on the terrains to achieve the consistency of energy saving and safety.

Method for controlling following distance based on terrains, terminal device, and storage medium

Disclosed are a charging control method and system for a range extend electric vehicle, and the electric vehicle. The control method includes: presetting a first threshold value and a second threshold value and executing the following steps: when the electric quantity of a battery is lower than the second threshold value, performing forced charging on the battery; when the electric quantity of the battery is lower than the first threshold value and higher than the second threshold value, proceeding to a subsequent step to determine whether Pv+Pb>Pu is met, Pv, Pband Pu respectively representing current vehicle driving required power, minimum required charging power of the battery and maximum power of a high efficiency running range of an engine; if not, determining the time as an optimal charging time, controlling the engine to increase the power to Pu, and charging the battery with a power of Pu−Pv; and if so, skipping performing charging, and predicting an optimal charging time for charging according to a terrain condition or road environment ahead. On the basis of the above charging control method, the optimal charging time of the range extend electric vehicle can be predicted, ensuring that the engine runs in a high efficiency power range while charging the battery, and achieving better economic efficiency.

Charging control method and system for range extend electric vehicle, and electric vehicle

Disclosed are a control method for a hydraulic retarder, and a control system. The method includes: acquiring a slope of a downhill road segment ahead of a vehicle; determining whether an absolute value of the slope is greater than an absolute value of a slope for which a braking force is not required; if so, predicting a required braking force and oil amount for the vehicle at a steady speed; predicting, according to the oil amount, oil filling time and a distance between the vehicle and an origin of the above road segment at the start time of oil filling of the hydraulic retarder; in the case that the actual distance of the vehicle is equal to a predicted distance, starting oil filling; and upon the vehicle reaching the origin of the road segment, starting braking. The present disclosure can lower wear of brake pads and reduce vehicle running costs.

Control method for hydraulic retarder, and control system

Disclosed in the present disclosure are a lift axle control method for a vehicle and a lift axle control system for a vehicle, wherein the method comprises the following steps: step 1) acquiring a load M of the vehicle; step 2) judging whether it needs to lower the lift axle according to the load, and if so, controlling the vehicle to lower the lift axle, and entering into step 3); otherwise, returning to step 1); step 3) calculating an optimal position of lifting the lift axle, controlling the vehicle to lift the lift axle at the optimal position, and entering into step 4); step 4) calculating an optimal position to lower the lift axle, controlling the vehicle to lower the lift axle at the optimal position, and then returning to step 3). The method of the present disclosure can reduce the damage to the road surface and achieve the economy of fuel consumption during running of the vehicle.

Lift axle control method and system for vehicle

The disclosure relates to an adaptive front-lighting system control method and terminal device, and a storage medium. The method includes: calculating, based on gradient values of different gradient points in electronic horizon data ahead, a to-be-adjusted vertical adjustment angle of the adaptive front-lighting system, and adjusting an illumination angle of the adaptive front-lighting system with the vertical adjustment angle. The disclosure provides gradient information of the road out of view for control of the adaptive front-lighting system, optimizes the control of vertical angle, and can avoid the blind spot of illumination caused by the change in the gradient in simple angle control, thus being more suitable for the control of the adaptive front-lighting system in a gradient terrain.

Adaptive front-lighting system control method and terminal device, and storage medium

The disclosure relates to a predictive EGR control method and terminal device, and a storage medium. The method includes: calculating, if there is a slowdown section ahead of a vehicle, an engine output torque to be reduced for travelling from a current position to a start position of the slowdown section and/or an engine output torque to be increased for travelling from the start position of the slowdown section to an end position of the slowdown section, and thereby adjusting an EGR rate according to the engine output torque to be reduced or increased. Before the vehicle running at a high load enters the slowdown section, an EGR valve can be opened in advance to increase the EGR rate, thereby reducing harmful gas emissions.

Predictive EGR control method and terminal device, and storage medium

The disclosure relates to a DPF regeneration trigger control method and terminal device, and a storage medium. The method includes: setting an active trigger differential pressure and an initial trigger differential pressure; and controlling, according to a relationship between a differential pressure of the DPF collected in real time during a vehicle travelling process and the active trigger differential pressure and a relationship between the differential pressure of the DPF and the initial trigger differential pressure, the vehicle to actively start DPF regeneration, to trigger passive DPF regeneration, or not to start DPF regeneration; otherwise, controlling the vehicle to actively start DPF regeneration. According to the disclosure, by setting a flexible trigger interval, there is a tolerance interval of differential pressure, so that fuel consumption of the diesel engine can be reduced, and the economy is improved.

DPF regeneration trigger control method and terminal device, and storage medium

The present invention relates to a power control method and terminal device for a hydraulic hybrid vehicle, and a storage medium. The method includes: S1: predicting, according to environmental information of a road ahead, recoverable energy in the road ahead; S2: calculating, according to the predicted recoverable energy, a critical pressure required by a hydraulic accumulator to recover the recoverable energy; and S3: determining whether a current pressure of the hydraulic accumulator is greater than the critical pressure, and if so, reducing fuel output power of an engine and controlling the hydraulic accumulator to release energy such that the current pressure of the hydraulic accumulator is less than or equal to the critical pressure. According to the present invention, when it is predicted that there is a high probability of energy recovery ahead, the energy stored in the hydraulic accumulator is used up in advance, so that the hydraulic accumulator has enough space to recover energy when the energy recovery occurs in future. This can make full use of the characteristic of the hydraulic accumulator of being suitable for frequent storage and release of energy, thereby achieving the economy of energy consumption of the whole vehicle.

Power control method and terminal device for hydraulic hybrid vehicle, and storage medium

The present disclosure discloses a terrain based dynamic gear shift control method and system for a vehicle. The method includes: during running of a vehicle, obtaining a current terrain; according to the current terrain, the economic gear shift strategy, and the dynamic gear shift strategy, generating a current gear shift strategy curve; and according to the current gear shift strategy curve, controlling a transmission to perform gear shift. The present disclosure can make the vehicle have wider adaptability, and achieve a better dynamic balance between economy and dynamic performance.

Terrain based dynamic gear shift control method and system for vehicle

Disclosed in the present disclosure is a vehicle energy saving control method, comprising: switching a multi-power switch to a corresponding gear position according to an actual load value and a load threshold; obtaining road information of a corner ahead when the vehicle is driving, wherein the road information comprises a curvature radius; calculating equivalent mass according to the curvature radius, total mass, a speed of the vehicle and a road friction coefficient; determining a predicted gear position according to the sum of the actual load value and the equivalent mass; and switching the multi-power switch to the predicted gear position if the predicted gear position is different from the current gear position. The present disclosure can solve the problem of energy waste caused by the power output mismatch when the vehicle passes the corner.

Growing community of inventors

Fujian, China

Yankai Tu