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529results about "Buses" patented technology

Energy store for a motor vehicle

The present invention relates to an electric energy storage (10) for a motor vehicle. A plurality of battery module groups (14) each comprise a plurality of battery modules (20) each of a plurality of battery cells. A plurality of containers (12) are stacked and each comprise a substantially frame-shaped container outer wall (18), wherein one of the plurality of battery module groups (14) is arranged in each of the plurality of containers (12). A plurality of fastening elements (16), which are elongated, extend through the container outer walls (18) of the plurality of containers (12) and fasten the containers (12) to one another. The elongated fastening elements (16) passing through all the containers (12) are advantageous in that they enable a modular, freely scalable design of the electric energy storage (10) with a free geometric configuration, low weight and costs, as well as simple, quick assembly and disassembly.
Owner:MAN TRUCK & BUS SE

Vehicle control based on a dynamically configured sideslip limit

A computer-implemented method performed in a vehicle control unit for controlling motion of a heavy-duty vehicle. The method includes obtaining a vehicle motion request, wherein the vehicle motion request is indicative of a target curvature and a target acceleration, determining a motion support device, MSD, control allocation based on the vehicle motion request, determining a dynamic wheel slip angle limit based on the vehicle motion request, where dynamic wheel slip angle limit increases with a decreasing target acceleration, and controlling the motion of the heavy-duty vehicle based on the MSD control allocation constrained by the dynamic wheel slip angle limit.
Owner:VOLVO TRUCK CORP

Retrofitted bus with improved passenger experience

A retrofitted bus featuring a progressive floor elevation system that gradually increases the height of modular flooring sections from front to rear, creating additional underfloor storage space and improving passenger visibility. The bus incorporates elevated passenger seating assemblies with rigid support structures and adjustable footrests for enhanced comfort and accessibility. The retrofitted stowage space may include insulation, climate control, and video monitoring systems. An engine safety cover, constructed from fire-resistant, thermally insulating, and structurally reinforced materials, integrates an extinguishing system for fire suppression. A swing-down egress mechanism at the rear of the bus serves as a structural component during normal operation and converts to an evacuation slide or stairs during emergencies.
Owner:CHAVEZ VAZQUEZ VICTOR MANUEL

Method for estimating an operating parameter of a battery unit

A method for estimating an operating parameter of a battery unit (202) in an energy storage system (200) of a vehicle (201) using a set of first estimators, each first estimator being configured to estimate a state residual size of the battery unit based on a given initial value of said operating parameter and using a prediction model, the operating parameter being indicative of one of capacity and impedance of the battery unit, the method comprising: —obtaining measurement data relating to operating conditions of the energy storage system at a number of points in time tk, —providing a set of initial values of said operating parameter, each initial value being associated with one of said first estimators, —using the set of first estimators, estimating (103) a set of state residual sizes of the battery unit at each point in time tk based on at least the measurement data and on the associated initial values, —determining a first operating parameter estimate of the battery unit based on the estimated set of state residual sizes, —estimating the operating parameter of the battery unit as a function of time based on at least said first operating parameter estimate, wherein estimating the set of state residual sizes comprises using a recursive algorithm for estimating the state residual size of each element of a set of state residuals, each estimated state residual size being determined based on the state residual size as estimated at a previous point in time tk−1 and a current magnitude of the state residual.
Owner:VOLVO TRUCK CORP

Strategic opportunity charging for on-route electric vehicles

Methods, systems, and computer-readable storage medium for improving the efficiency of charging a fleet of electric vehicle (EV) that follow a prescribed route. The efficiency of charging the fleet of electric vehicle is improved by receiving telemetry data from the fleet of EVs, receiving charger data from a plurality of charges along the prescribed route, determining a charging plan for the fleet of the EVs based on a total cost per distance (TCD) of travel over each of the plurality of route segments that comprise the prescribed route and controlling a particular charger along the prescribed route to charge one of the EVs according to the charging plan.
Owner:INDUCTEV INC

Retrofitted bus with improved passenger experience

A retrofitted bus featuring a progressive floor elevation system that gradually increases the height of modular flooring sections from front to rear, creating additional underfloor storage space and improving passenger visibility. The bus incorporates elevated passenger seating assemblies with rigid support structures and adjustable footrests for enhanced comfort and accessibility. The retrofitted stowage space may include insulation, climate control, and video monitoring systems. An engine safety cover, constructed from fire-resistant, thermally insulating, and structurally reinforced materials, integrates an extinguishing system for fire suppression. A swing-down egress mechanism at the rear of the bus serves as a structural component during normal operation and converts to an evacuation slide or stairs during emergencies.
Owner:CHAVEZ VAZQUEZ VICTOR MANUEL

Method for controlling electrical connection of battery packs

A method for controlling electrical connection of at least two battery packs (202, 203) of an energy storage System (200) of a vehicle (201) to a common load during operation of the vehicle, each one of the battery packs being connectable to the load via at least one respective switching device, the method comprising: —receiving measurement data relating to current operating conditions of the energy storage System, —based on at least the measurement data, estimating at least one battery state of each one of the battery packs, wherein said at least one battery state is at least one of an open circuit voltage and a state of charge, —based on the estimated at least one battery state of each one of the battery packs, controlling electrical connection of each battery pack to the load via the at least one respective switching device.
Owner:VOLVO TRUCK CORP

Driver protection system enclosure style door

A novel door and partition assembly for transit vehicles is provided. The door extends from the floor to the ceiling of the transit vehicle and the partition extends from the floor to the ceiling of the transit vehicle and to the windshield and dashboard area such that passengers cannot reach around the door and partition assembly into the operator's area. A novel locking mechanism is provided having an external and internal release mechanism which allows the operator to enter and exit the operator's area of a transit vehicle having the novel door and partition assembly.
Owner:AROW GLOBAL CORP

Method for operating an autonomous vehicle

The present disclosure relates to a computer implemented method for operating an autonomous vehicle based on sensor data representative of an area in a driving direction of and in the vicinity of the vehicle. The vehicle is equipped with a control unit adapted to determine if a plurality of detailed actions to be performed by the vehicle successfully may be used for fulfilling a desired general action plan for the vehicle. The present disclosure also relates to a corresponding control system and to a computer program product.
Owner:VOLVO AUTONOMOUS SOLUTIONS AB

Method for estimating vehicle motion state during a vehicle maneuver

A method in a vehicle for estimating vehicle motion state during a vehicle maneuver, comprising; obtaining a trigger signal indicating an onset of the vehicle maneuver, selecting a sub-set of wheels on the vehicle to be in a free-rolling condition, measuring one or more parameters related to revolution of the sub-set of wheels in free-rolling condition, and estimating the vehicle motion state based on the measured parameters.
Owner:VOLVO TRUCK CORP

Method for estimating a battery state

A method for estimating a battery state of an energy storage system (200) of a vehicle (201) using at least a dual estimator (301), wherein the energy storage system comprises a battery unit (202), and wherein the dual estimator comprises: a first estimator configured to estimate said battery state using a prediction model, the first estimator having first tuning parameters, a second estimator configured to track changes around nominal values of a set of battery parameters, the second estimator having second tuning parameters, a feedback loop being provided between the first and second estimators, the method comprising: obtaining operational data of the energy storage system, determining whether the operational data fulfil a defined sensitivity criterion with respect to a sensitivity to at least one of the battery parameters, feeding the operational data to the estimators, using the first estimator, estimating the battery state, using the second estimator, for each battery parameter for which the sensitivity criterion is fulfilled, estimating changes around the nominal values of the set of battery parameters.
Owner:VOLVO TRUCK CORP

Fuel cell powertrain systems and methods for power split and allocation in fuel cell powertrain systems

The present disclosure generally relates to systems and methods for implementing power a power split between a first and a second power source in a fuel cell powertrain system. The method includes receiving an input into a processor of the fuel cell powertrain system, determining an output by the processor, communicating the output by the processor to a system controller and determining a power split by the system controller. The first power source includes a fuel cell system and the second power source is selected from a battery system or an engine, and the input includes a life or health of at least one of the first power source or the second power source.
Owner:HYDROGENICS CORP +1

Charging system for electric bus and charging method using the same

A charging system includes: a power converter configured to receive power from an external power network to generate charging power for electric buses; power rails electrically connected to the power converter and installed at a predetermined height according to a layout of a garage; a first charging network configured to horizontally move above a floor in the garage along the electric power rails to upper sides of the electric buses to contact the electric buses; a second charging network electrically connected to the power converter and providing a charging zone on a bottom surface of the garage by reflecting the layout to contact the electric buses parked in the charging zone; and a station controller configured to control a charging sequence of the electric buses by analyzing position information of the electric buses and calculating a shortest movement path and a charging order of the first charging network.
Owner:HYUNDAI MOTOR CO LTD +1

Coupling rotating wheels to engine for engine restart

A computer system comprising processing circuitry configured to: receive an engine restart request for restarting an engine of a vehicle while the vehicle is moving; receive, directly from the engine, a signal encoding a real-time rotational speed of the engine; and control an actuator to gradually engage a clutch of a transmission coupled to rotating wheels of the vehicle in such a way that a rate of change of the real-time rotational speed of the engine is kept below a predefined threshold rate of change.
Owner:VOLVO TRUCK CORP

Hybrid bus energy-saving optimization control method and system and storage medium

The invention discloses a hybrid bus energy-saving optimization control method and system and a storage medium, and the method comprises the steps: building an HEB traffic digraph based on the impact priority of traffic element distance on HEB of a hybrid bus, and constructing a multi-dimensional tensor composed of a vehicle state and traffic information; reducing the dimension of an input multi-dimensional matrix into a one-dimensional vector for the traffic directed graph through an edge-enhanced graph convolutional neural network EGCN to obtain spatial characteristics of data; eGCN embedded reinforcement learning is combined with a deep neural network DNN to form an ecological driving strategy; and the output of the ecological driving strategy is used as the input state of the energy management strategy to establish an information bridge, so that HEB speed planning at the traffic level and energy management at the power system level are collaboratively optimized, and HEB energy consumption and life decline of the power system are reduced.
Owner:YANSHAN UNIV

Positioning unit for a charging station, and contacting method

The invention relates to a positioning unit (12) and a method for establishing an electrically conductive connection between a stationary charging station (10) and a vehicle (24), in particular an electric bus or the like, a contact device (15) having an electric charging contact (19) of the positioning unit being movable in relation to a charging-contact surface (21) and being contactable therewith by means of the positioning unit, the positioning unit having a positioning device (13) and a drive device (14) for driving the positioning device, the charging contact being able to be positioned between a contact position (18) for transmitting power and a retracted position for interrupting power transmission by means of the positioning device, the positioning unit comprising a cover device (25) having an apron (26), the apron surrounding at least sections, preferably the entirety of, the contact device and being movable towards the contact position.
Owner:SCHUNK TRANSIT SYST GMBH

Power supply device, power supply assembly, vehicle and returning method

The invention relates to a power supply device for a vehicle, in particular for a utility vehicle, such as an electric bus or an electric truck, comprising: at least one contact head (4) which can be brought into contact with a docking device (5) in order to form an electric connection; at least a first pivot arm (2) which is connected to the at least one contact head (4) and which can be rotatably connected to the vehicle (1); and a return device (15). According to the invention, the return device (15) is designed to abut against the at least first pivot arm (2) and to depart from the at least first pivot arm (2) with respect to a follower of the at least first pivot arm (2). As a result, a reliable return of the first pivot arm (2) can be achieved.
Owner:SIEMENS MOBILITY AUSTRIA GMBH

Power storage module

A power storage module which includes a plurality of batteries connected in series and is capable of controlling operation of a heater on the basis of a battery with the lowest battery temperature is provided. The power storage module includes a first battery and a second battery connected in series, the heater, and a control circuit; the heater is provided close to the first battery and the second battery and is electrically connected to an IC included in the control circuit; the control circuit includes a first voltage sensor that senses a voltage of the first battery, a second voltage sensor that senses a voltage of the second battery, and a current sensor that senses a current flowing through the first battery and the second battery; and in charging the first battery and the second battery, the heater is turned on by a signal from the IC in the case where a differential voltage between a first peak voltage of dQ / dV calculated from a detection value of each of the first voltage sensor and the current sensor and a second peak voltage of dQ / dV calculated from a detection value of each of the second voltage sensor and the current sensor is higher than or equal to 5 mV.
Owner:SEMICON ENERGY LAB CO LTD

Charging station for electric vehicles, especially commercial vehicles, and retrofittable coupling unit for charging stations

Charging station for electric vehicles comprising: a converter, a charging cable (20, 24) for establishing an electrical connection between the converter and an electric vehicle to be charged, an adapter unit (22), a linear receptacle (38) arranged remote from the floor and a linear guide (66, 68), wherein the charging cable (20, 24) has a first charging cable section (20) and a second charging cable section (24) which are connected to one another via the adapter unit (22), wherein the linear receptacle (38) is designed to receive the second charging cable section (24) when not in use and wherein the linear receptacle (38) and the adapter unit (22) are arranged displaceably on the linear guide (66, 68).
Owner:SBRS GMBH

Vehicle charge sharing and communication

Vehicle charge sharing and communication (e.g., using a computerized tool) are enabled. For example, a vehicle can comprise a memory that stores computer executable components, and a processor that executes the computer executable components stored in the memory, wherein the computer executable components comprise a charge sharing determination component that, based on a charge sharing request from another vehicle, other than the vehicle, determines whether a condition of a battery of the vehicle satisfies a charge sharing criterion applicable to the charge sharing request, and a communication component that, based on the condition of the battery being determined to satisfy the charge sharing criterion, establishes a communicative connection with the another vehicle.
Owner:VOLVO CAR CORP

Electrical vehicle comprising an energy transfer device

An energy transfer device is configured for electrically connecting an electrical vehicle to a charging station. The energy transfer device includes a lengthwise link having an upper end and lower end and a crosswise link having an upper end and lower end. The lower ends of the lengthwise link and the crosswise link are configured to be arranged on the electrical vehicle slidably in crosswise direction of the electrical vehicle. The upper end of the crosswise link is connected to the lengthwise link between its ends such that, by sliding the lower ends of the lengthwise link and the crosswise link towards each other, the upper end of the lengthwise link will be moved away from the electrical vehicle for connecting to the charging station.
Owner:HITACHI ENERGY LTD

Ramp system of vehicle

A ramp system is disclosed. The ramp system is configured to move a step disposed in a frame between a ramp closed position and a ramp open position along a moving direction. The ramp system may include a driving device generating driving torque and transmitting the driving torque to the step to move the step along the moving direction, a pair of guide rails extending in the moving direction at both side portions of the frame in a traverse direction perpendicular to the moving direction, a roller rotatably disposed on each guide rail to be movable along each guide rail by rotation of the roller, and a sliding frame connected to one end portion of the step in the moving direction, wherein the step is hingedly connected to the sliding frame, and the roller is rotatably connected to both sides of the sliding frame in the traverse direction.
Owner:HYUNDAI MOTOR CO LTD +1

Rapidly curing low-temperature composition for manufacturing a composite material pressure vessel for storing gaseous hydrogen

The present invention relates to a composition (C) comprising, based on 100 parts by mass of the resin present in the composition, 70 to 95 parts by mass of an epoxy resin (A) having a viscosity at a temperature between 20°C and 25°C of 20 Pa·s or less, preferably between 1 and 20, more preferably between 1 and 10, and 5 to 30 parts by mass of a curing agent (B) dispersed in the resin. The curing agent is a phosphonium cation of the formula P(R 1 R 2 R 3 R 4 ) + (wherein R 1 , R 2 , R 3 and R 4 may be the same or different and represent a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, or an aryl group having 6 to 20 carbon atoms, and the alkyl group and the aryl group may be substituted), and an acetate anion of the formula (R 5 CO 2 ) - (wherein R 5 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, or an aryl group having 6 to 20 carbon atoms, and the alkyl group and the aryl group may be substituted), or a phosphinate anion of the formula [[(CH 3 ) 3 CCH 2 CH(CH 3 )CH 2 2 P(O)O] - . The present invention also relates to the use of the composition (C) for manufacturing a hydrogen container, in particular a container for storing gaseous hydrogen under pressure and containing a composite material, of types II, III, IV, and V.​
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES +5

Control of a vehicle fuel cell system during a vehicle stop

A computer system for controlling a fuel cell system during a vehicle stop of a vehicle is described. The computer system has processing circuitry configured to obtain a stop duration of the vehicle stop; calculate a storage capacity of a vehicle battery of the vehicle as a difference between a current state of charge of the vehicle battery and a target state of charge of the vehicle battery at the end of the stop duration; calculate a battery charging energy for the vehicle battery based on the storage capacity; determine a maximum feasible fuel cell power output of the fuel cell system for charging the vehicle battery using the battery charging energy; and control a charging mode of the fuel cell system based on the maximum feasible fuel cell power.
Owner:VOLVO TRUCK CORP

Controllable energy dissipation of an energy system in a vehicle

An arrangement for a vehicle, the arrangement comprising an electric traction motor, an energy system comprising a traction battery, the energy system being configured to feed electric energy from the traction battery to the electric traction motor in a first load condition, and configured to receive electric energy generated by the electric traction motor in a second load condition, and an energy dissipater electrically connected to the energy system, wherein the arrangement further comprises processing circuitry configured to determine an indication of a load condition change of the energy system from the first load condition to the second load condition, and control the energy system to feed electric energy to the energy dissipater in response to the indication of the load condition change.
Owner:VOLVO TRUCK CORP

Vehicle cabin preconditioning

A computer implemented method, a cabin preconditioning system, a computer program product, and a charger for preconditioning a cabin of vehicle(s), are provided, and include detecting a connection of the vehicle(s) to the charger, obtaining vehicle data having preconditioning requirements of the vehicles and battery data associated with an energy storage device of the vehicles, and departure schedule associated with each of the vehicle(s) connected to the charger, generating a cabin preconditioning profile for the charger based on the vehicle data, the departure schedule, and a number of the vehicles connected to the charger for preconditioning the cabin of the vehicle(s) connected to the charger.
Owner:SIEMENS AG

Method for controlling electrical connection of battery packs

A method for controlling electrical connection of at least two battery packs (202, 203) of an energy storage system (200) of a vehicle (201) to a common load during operation of the vehicle, each one of the battery packs being connectable to the load via at least one respective switching device, the method comprising:receiving measurement data relating to current operating conditions of the energy storage system,based on at least the measurement data, estimating at least one battery state of each one of the battery packs, wherein said at least one battery state is at least one of an open circuit voltage and a state of charge,based on the estimated at least one battery state of each one of the battery packs, controlling electrical connection of each battery pack to the load via the at least one respective switching device.
Owner:VOLVO TRUCK CORP