Abstract: The invention provides systems and methods for an Intelligent Road Infrastructure System (IRIS), which facilitates vehicle operations and control for connected automated vehicle highway (CAVH) systems. IRIS systems and methods provide vehicles with individually customized information and real-time control instructions for vehicle to fulfill the driving tasks such as car following, lane changing, and route guidance. IRIS systems and methods also manage transportation operations and management services for both freeways and urban arterials. In some embodiments, the IRIS comprises or consists of one of more of the following physical subsystems: (1) Roadside unit (RSU) network, (2) Traffic Control Unit (TCU) and Traffic Control Center (TCC) network, (3) vehicle onboard unit (OBU), (4) traffic operations centers (TOCs), and (5) cloud information and computing services.

Abstract: The invention provides designs and methods for a heavy vehicle operations and control system for heavy automated vehicles, which facilitates heavy vehicle operation and control for connected automated vehicle highway (CAVH) systems. The heavy vehicle management system provides heavy vehicles with individually customized information and real-time vehicle control instructions to fulfill the driving tasks such as car following, lane changing, route guidance. The heavy vehicle management system also realizes heavy vehicle related lane design, transportation operations, and management services for both dedicated and non-dedicated lanes. The heavy vehicle management system consists of one or more of the following physical subsystems: (1) Roadside unit (RSU) network, (2) Traffic Control Unit (TCU) and Traffic Control Center (TCC) network, (3) vehicles and onboard units (OBU), (4) traffic operations centers (TOCs), and (5) cloud platform.

Abstract: Provided herein is technology related to a distributed driving system (DDS) that provides transportation management and operations and vehicle control for connected and automated vehicles (CAV) and intelligent road infrastructure systems (IRIS) and particularly, but not exclusively, to methods and systems for sending individual vehicles with customized, detailed, and time-sensitive control instructions and traffic information for automated vehicle driving, such as vehicle following, lane changing, route guidance, and other related information

Abstract: In an embodiment, a method includes: depositing a protective layer on a source/drain region and a gate mask, the gate mask disposed on a gate structure, the gate structure disposed on a channel region of a substrate, the channel region adjoining the source/drain region; etching an opening through the protective layer, the opening exposing the source/drain region; depositing a metal in the opening and on the protective layer; annealing the metal to form a metal-semiconductor alloy region on the source/drain region; and removing residue of the metal from the opening with a cleaning process, the protective layer covering the gate mask during the cleaning process.

Abstract: The present disclosure discloses a control circuit and a control method for a multiphase power supply and the multiphase power supply. The control circuit includes a current reference signal generator and a controller. The current reference signal generator is configured to adjust a first compensation signal according to a first scaling factor and a first voltage signal, so that the first compensation signal follows the first voltage signal in a steady state, and a current reference signal is obtained according to the first compensation signal and the first voltage signal. The controller is configured to obtain a control signal for each phase power conversion circuit according to the current reference signal to control each phase power conversion circuit to provide a power output to a load. The present disclosure can improve a phase-conversion stability of the multiphase power supply, and can achieve fast and accurate control of the multiphase power supply.

Abstract: An on-board distributed power supply system is coupled to an on-board distributed drive system. The on-board distributed drive system includes at least two power trains, and the on-board distributed power supply system includes at least two low-voltage battery pack groups. Each low-voltage battery pack group of the at least two low-voltage battery pack groups includes at least one low-voltage battery pack. Each low-voltage battery pack of the at least one low-voltage battery pack includes a plurality of battery cells. Each low-voltage battery pack group of the at least two low-voltage battery pack groups is correspondingly electrically connected to at least one of the power trains in the on-board distributed drive system, and is configured to provide electric energy for each power train of the at least two power trains in the on-board distributed drive system.

Abstract: Provided is a polymer particle comprising (a) a core polymer comprising (i) polymerized units of one or more Si-containing monomers; (ii) polymerized units of one or more monovinyl acrylic monomers (ii); and (iii) polymerized units of one or more graftlinkers that have no silicon atoms; (b) a shell polymer comprising polymerized units of one or more acrylic monomers. Also provided is a composition comprising polyvinyl chloride and a plurality of the polyer particles.

Abstract: In an embodiment, a method includes: depositing a protective layer on a source/drain region and a gate mask, the gate mask disposed on a gate structure, the gate structure disposed on a channel region of a substrate, the channel region adjoining the source/drain region; etching an opening through the protective layer, the opening exposing the source/drain region; depositing a metal in the opening and on the protective layer; annealing the metal to form a metal-semiconductor alloy region on the source/drain region; and removing residue of the metal from the opening with a cleaning process, the protective layer covering the gate mask during the cleaning process.

Abstract: A composition is disclosed, which comprises (A) an organohydrogensiloxane having cyclic siloxane moieties including silicon-bonded hydrogen atoms. The composition further comprises (B) a polyether compound having an aliphatically unsaturated group. Finally, the composition comprises (C) a hydrosilylation catalyst. A silicone polyether surfactant prepared by reacting components (A) and (B) in the presence of component (C) is also disclosed. In addition, an isocyanate-reactive component comprising a polyol and the silicone polyether surfactant is disclosed. A composition comprising the isocyanate-reactive component, an isocyanate component comprising a polyisocyanate, and a catalyst is further disclosed. Finally, a method of preparing an article comprising a polyurethane and/or polyisocyanurate foam, and an article formed from the composition and/or the method, are disclosed.

Abstract: This application provides a charging system and an electric vehicle. The charging system mainly includes an MCU and a motor. N bridge arms in the MCU and N motor windings in the motor are multiplexed to constitute a voltage conversion circuit. When a power supply voltage is less than a minimum charging voltage of a power battery, the MCU may perform boost conversion on the power supply voltage by using the voltage conversion circuit, and output the power supply voltage obtained after boost conversion to the power battery as a first output voltage, where the first output voltage is not less than the minimum charging voltage. In this application, space occupied by the charging system and costs of the charging system can be reduced while the charging system is used to perform boost conversion on the power supply voltage.

Abstract: An analog-to-digital converter includes a D/A conversion circuit, a comparator, and a logic control module. An input signal is sampled and held to obtain a sampling signal. The D/A conversion circuit receives the sampling signal and a reference voltage signal, and an output terminal of the D/A conversion circuit outputs a first voltage signal. The output terminal of the D/A conversion circuit is coupled to at least one input terminal of the comparator. An output terminal of the comparator is coupled to an input terminal of the logic control module, and the logic control module controls the D/A conversion circuit to adjust the first voltage signal according to a comparison result of the comparator. When the number of comparisons of the comparator reaches preset digits of the D/A conversion circuit, a data output terminal of the logic control module outputs a data signal corresponding to the input signal.

Abstract: This application provides a motor control unit, an electric drive system, a powertrain. A first terminal of a power transmission interface of the motor control unit is connected to a first input terminal of an inverter circuit by using a first direct current switch, and a second terminal of the power transmission interface is connected to a first terminal of a switch circuit. The switch circuit includes three switch branches, where first terminals of the three switch branches are connected to the first terminal of the switch circuit, second terminals of the three switch branches are respectively connected to one-phase output terminals of the inverter circuit, and each switch branch includes a controllable switch. The input terminal of the inverter circuit is connected to a power battery pack by using a second direct current switch. Using the motor control unit reduces a volume and hardware costs, and improves applicability.

Abstract: A terminal connection structure includes a terminal and an enameled wire. The terminal includes a socket and a conductor crimping portion. The conductor crimping portion includes a first crimping area and a second crimping area, and the first crimping area and the second crimping area are both U-shaped before crimped. The enameled wire is located in the first crimping area and the second crimping area, wherein the enameled wire includes three conducting wires and an enameled film covering the conducting wires. The first crimping area and the second crimping area are crimped to be in a shape of a semi-circular thereby crimping the three conducting wires tightly. Wherein an outer width of the second crimping area after crimped is W2, an outer diameter of the enameled wire is D, a thickness of the second crimping area is t, and the following condition is satisfied: W2?D×0.8+2t.

Abstract: A camera structure includes a support frame, a camera, a camera switch and a latch mechanism. The camera is supported by the support frame. The camera switch is spatially separated from the camera. The camera switch is configured to enable and disable the camera. The latch mechanism includes a slidable latch body and a cover and a connecting rod linking the latch body. The latch body is configured to move between a first position and a second position. When the latch body is at the first position, the camera is exposed from a first opening of the cover and the connecting rod interferes with the camera switch to enable the camera. When the latch body is at the second position, the cover shields the camera and the connecting rod moves away from the camera switch to enable the camera.

Abstract: Provided herein is technology relating to roadway design and traffic control systems and methods for connected and automated vehicle and highway (CAVH) systems, and particularly, but not exclusively, to systems and methods for controlling switching of vehicles between automated mode and human-driven mode, systems and methods for vehicle merging, diverging, and overtaking on automated lanes of multiple lane highways, systems and methods for emergency management and roadside assistance on automated lanes, and/or systems and methods for managing automated vehicle lanes on urban major and minor expressways.

Abstract: Provided herein is technology related to a distributed driving system (DDS) that provides transportation management and operations and vehicle control for connected and automated vehicles (CAV) and intelligent road infrastructure systems (IRIS) and particularly, but not exclusively, to methods and systems for sending individual vehicles with customized, detailed, and time-sensitive control instructions and traffic information for automated vehicle driving, such as vehicle following, lane changing, route guidance, and other related information.

Abstract: The technology provides systems and methods for a system providing customized and route-specific operations, control, and services for connected and automated vehicles (CAVs) according to user origin and destination requests, based on connected automated vehicle highway (CAVH) systems which includes an intelligent road infrastructure system providing transportation management and operations and individual vehicle control for CAV.

Abstract: A camera structure includes a support frame, a camera, a camera switch and a latch mechanism. The camera is supported by the support frame. The camera switch is spatially separated from the camera. The camera switch is configured to enable and disable the camera. The latch mechanism includes a slidable latch body and a cover and a connecting rod linking the latch body. The latch body is configured to move between a first position and a second position. When the latch body is at the first position, the camera is exposed from a first opening of the cover and the connecting rod interferes with the camera switch to enable the camera. When the latch body is at the second position, the cover shields the camera and the connecting rod moves away from the camera switch to enable the camera.

Abstract: The invention provides systems and methods for an autonomous vehicle (AV) and cloud control system, which comprises an AV control system comprising an onboard unit (OBU), a roadside unit (RSU) network, and a cloud-based platform. This integrated vehicle-road-cloud system provides traffic state estimation, prediction, computing, and control instructions for specific vehicles by the cloud-based platform. The cloud-based platform also provides safety and efficiency measures for vehicle operations and control under adverse weather conditions, and provides security, redundancy, and resiliency measures to improve system reliability. In addition, the RSU network provides high-resolution maps for specific vehicles.

Abstract: A guiding device includes a first telescopic member, a second telescopic member, and an elastic member. The first telescopic member includes a main body with a sliding cavity. The second telescopic member includes a connecting portion and a guiding portion connected to the connecting portion. The guiding portion is slidably inserted into the sliding cavity. Opposite ends of the elastic member are respectively connected to the connecting portion and the main body. The elastic member pushes the main body in a direction away from the connecting portion. The disclosure also provides a mainboard connection structure having the above guiding device.