Abstract: A quick-pressing fixture for friction stir spot welding and a use method thereof relate to the technical field of friction stir spot welding; the quick-pressing fixture includes a stationary working box and a welding platform integrally connected at the top of the working box, and further includes a welding base, a welding press block, a pneumatic quick-pressing mechanism and a limiting mechanism, where the limiting mechanism can clamp different sizes of welding materials and effectively improve the practicality of the quick-pressing fixture, and the limiting mechanism can also tighten a weldment and prevent the weldment from rotating during a welding process; the pneumatic quick-pressing mechanism is responsible for applying a predetermined pressing force in a vertical direction to the weldment in order to ensure the stability of the weldment in the welding process.

Abstract: A quick-pressing fixture for friction stir spot welding and a use method thereof relate to the technical field of friction stir spot welding; the quick-pressing fixture includes a stationary working box and a welding platform integrally connected at the top of the working box, and further includes a welding base, a welding press block, a pneumatic quick-pressing mechanism and a limiting mechanism, where the limiting mechanism can clamp different sizes of welding materials and effectively improve the practicality of the quick-pressing fixture, and the limiting mechanism can also tighten a weldment and prevent the weldment from rotating during a welding process; the pneumatic quick-pressing mechanism is responsible for applying a predetermined pressing force in a vertical direction to the weldment in order to ensure the stability of the weldment in the welding process; the welding fixture is designed to improve the efficiency and quality of a welding operation and achieves rapid clamping and release of the weld

Abstract: Disclosed are a regulation layer for a dissimilar metal friction welding interface and an aluminum-steel friction welding method. The regulation layer for a dissimilar metal friction welding interface includes a micro-texture arranged on a metal surface, and a paste spread at the micro-texture, where non-metal substances in the paste are completely volatilized before metallurgical bonding of dissimilar metals. The aluminum-steel friction welding method includes: preparing a micro-structure in a designated area on a surface of a stainless steel plate, mixing a zinc-20 aluminium (Zn-20Al) powder and ethanol under stirring into a paste, then uniformly spreading the paste in a micro-structure area on a surface of a base metal, and then performing a friction stir welding.

Abstract: A recycled material based on in-situ compatibilization and chain extension is mainly prepared from the following raw materials in parts by mass: 30-70 parts of waste HIPS, 30-70 parts of waste PP, 2-6 parts of POE, 0.1-0.4 part of an alkylation reaction catalyst, 0.1-0.3 part of a co-catalyst, and 2-8 parts of a macromolecular chain extender. Further, a preparation method for the recycled material based on in-situ compatibilization and chain extension is provided.

Abstract: A vehicle emissions control system including: a fuel tank; a canister including a material configured to absorb fuel vapors released from liquid fuel stored within the fuel tank; a pressure relief valve configured to open to vent the fuel tank and permit the fuel vapors and the liquid fuel to flow out of the fuel tank; and a fuel separator configured to change a flow velocity of fuel flowing from the fuel tank to separate the fuel vapors from the liquid fuel, the fuel separator in fluid communication with the fuel tank and the canister to direct the fuel vapors to the canister and direct the liquid fuel away from the canister.

Abstract: A glitch detection circuit (200) is arranged detect a glitch on a digital supply (150) and comprises a glitch sense threshold generator (132), a path delay circuit (133) comprising two parallel paths, wherein the first path provides a first output of a slow signal path of the digital supply to be detected that is used as a positive glitch threshold signal (530) and the second path provides a second output of a slow signal path of the digital supply to be detected that is used as a negative glitch threshold signal (540). A comparator circuit (134) is arranged to compare the digital supply to be detected with the first output of a slow signal path and the second output of a slow signal path; wherein the output of the comparator circuit indicates a power glitch on the digital supply in response to the positive or negative glitch threshold signals.

Abstract: A vehicle emissions control system including: a fuel tank; a canister including a material configured to absorb fuel vapors released from liquid fuel stored within the fuel tank; a pressure relief valve configured to open to vent the fuel tank and permit the fuel vapors and the liquid fuel to flow out of the fuel tank; and a fuel separator configured to change a flow velocity of fuel flowing from the fuel tank to separate the fuel vapors from the liquid fuel, the fuel separator in fluid communication with the fuel tank and the canister to direct the fuel vapors to the canister and direct the liquid fuel away from the canister.

Abstract: A battery assembly of a vehicle includes a battery having a plurality of battery cells, and a plurality of refrigerant spray nozzles operably connected to a heating, ventilation and air conditioning (HVAC) system of the vehicle. The plurality of refrigerant spray nozzles are configured to spray a flow of refrigerant from the HVAC system onto the plurality of battery cells in the event of detection of thermal runaway event. A method of cooling a battery assembly of a vehicle includes detecting a thermal event at the battery assembly, diverting a flow of refrigerant from a heating ventilation and air conditioning (HVAC) system in response to the detection of the thermal event, and spraying the flow of refrigerant from a plurality of refrigerant spray nozzles onto a plurality of battery cells of the battery assembly to cool the battery assembly.

Abstract: The present invention discloses a regenerated HIPS/PPO alloy material based on chemical and physical co-modification, which is mainly composed of the following components in parts by mass: waste HIPS 60-70, PPO 30-40, HIPS-based macromolecular chain extender 2-8, elastomer toughening agent 2-10, oxazoline chain extender 0.2-1, and chain-extension catalyst 0.1-0.4. The alloy material uses chemical modification of in-situ chain extension and compatibilization of the macromolecular chain extender to restore a molecular chain structure, improve a phase interface and increase compatibility of the alloy. Through physical modification introduced by adding the elastomer toughening agent, a combined effect of chemical modification and physical modification is exploited, with target properties improved, a regenerated plastic alloy material with an excellent comprehensive property prepared, and the waste fully utilized to achieve energy saving and emission reduction.

Abstract: A circuit arrangement for detecting a glitch on a supply voltage comprising a low pass filter arrangement coupled to a supply terminal and configured provide a filtered supply voltage. The circuit arrangement comprises a first and second detector circuit each configured to receive the supply voltage and the filtered supply voltage and configured to provide a first and second detection signal indicative of a glitch comprising a transient, positive and a transient negative change in the supply voltage at a first detector output terminal and second detector output terminal respectively. The circuit arrangement further comprises a circuit-arrangement output terminal configured to provide an output signal indicative of the detection of a glitch in the supply voltage based on the first detection signal and the second detection signal.

Abstract: A circuit arrangement for a touch sensor includes a plurality of capacitive sensors, an ADC, a switch arrangement, and a controller. The capacitive sensors measure over a respective sampling period for detecting a touch event on a surface and provide an output. The ADC receives the output and determines a digital value over a conversion period. The switch arrangement selectively provides the output from the capacitive sensors to the ADC. The controller activates a first capacitive sensor to measure the capacitance for detecting a touch event, and activates a second capacitive sensor for detecting a touch event such that the respective sampling periods are at least partly concurrent. The controller also controls the switch arrangement to cause the ADC to receive the output of the first capacitive sensor after its sampling time and receive the output of the second capacitive sensor after its sampling time.

Abstract: The present application relate to the technical field of mobile communication, and in particular to a radio frequency chip, an algorithm reconstruction method and a computer-readable storage medium. The radio frequency chip includes a configuration interface, an interconnection bus, a processor and at least two operation units. Each operation unit is provided with different operation functions. The configuration interface is connected to the processor, and is configured to transmit the received routing information and the configuration data to the processor. The routing information and the configuration data are determined according to a target operation function of the radio frequency chip. The interconnection bus is communicated with each operation unit and is connected to the processor, and is configured to adjust an input and output relationship between each operation unit.

Abstract: A recycled material based on in-situ compatibilization and chain extension is mainly prepared from the following raw materials in parts by mass: 30-70 parts of waste HIPS, 30-70 parts of waste PP, 2-6 parts of POE, 0.1-0.4 part of an alkylation reaction catalyst, 0.1-0.3 part of a co-catalyst, and 2-8 parts of a macromolecular chain extender. Further, a preparation method for the recycled material based on in-situ compatibilization and chain extension is provided.

Abstract: A circuit arrangement for detecting a glitch on a supply voltage comprising a low pass filter arrangement coupled to a supply terminal and configured provide a filtered supply voltage. The circuit arrangement comprises a first and second detector circuit each configured to receive the supply voltage and the filtered supply voltage and configured to provide a first and second detection signal indicative of a glitch comprising a transient, positive and a transient negative change in the supply voltage at a first detector output terminal and second detector output terminal respectively. The circuit arrangement further comprises a circuit-arrangement output terminal configured to provide an output signal indicative of the detection of a glitch in the supply voltage based on the first detection signal and the second detection signal.

Abstract: A circuit arrangement for detecting a glitch on a supply voltage comprising a low pass filter arrangement coupled to a supply terminal and configured provide a filtered supply voltage. The circuit arrangement comprises a first and second detector circuit each configured to receive the supply voltage and the filtered supply voltage and configured to provide a first and second detection signal indicative of a glitch comprising a transient, positive and a transient negative change in the supply voltage at a first detector output terminal and second detector output terminal respectively. The circuit arrangement further comprises a circuit-arrangement output terminal configured to provide an output signal indicative of the detection of a glitch in the supply voltage based on the first detection signal and the second detection signal.

Abstract: A regenerated polymer alloy material is provided. The regenerated polymer alloy material is mainly prepared from the following raw materials in parts by mass: a waste HIPS: 55-70, a PP: 30-45, an alkylation reaction catalyst: 0.1-0.4, a co-catalyst: 0.1-0.3, and a HIPS-based macromolecular chain extender: 2-8. The regenerated polymer alloy material uses the waste HIPS and the PP new materials as raw materials, to obtain a waste HIPS based regenerated polymer alloy material with excellent comprehensive properties by using two types of chemical modifiers in combination in segments. The waste HIPS based regenerated polymer alloy material has environmental protection and high value. Further, a method for preparing the regenerated polymer alloy material is also provided.

Abstract: A circuit arrangement for a touch sensor comprising: a plurality of capacitive sensors configured to measure over a respective sampling period for detecting a touch event on a surface and provide an output; an ADC to receive the output of the capacitive sensors and determine a digital value over a conversion period; a first switch arrangement configured to selectively provide the output from the capacitive sensors to the ADC; a controller configured to: activate a first capacitive sensor to measure the capacitance for detecting a touch event and activate a second capacitive sensor for detecting a touch event such that the respective sampling periods are at least partly concurrent, and configured to control the first switch arrangement to cause the ADC to receive the output of the first capacitive sensor after its sampling time and receive the output of the second capacitive sensor after its sampling time.

Abstract: The present invention discloses a regenerated HIPS/PPO alloy material based on chemical and physical co-modification, which is mainly composed of the following components in parts by mass: waste HIPS 60-70, PPO 30-40, HIPS-based macromolecular chain extender 2-8, elastomer toughening agent 2-10, oxazoline chain extender 0.2-1, and chain-extension catalyst 0.1-0.4. The alloy material uses chemical modification of in-situ chain extension and compatibilization of the macromolecular chain extender to restore a molecular chain structure, improve a phase interface and increase compatibility of the alloy. Through physical modification introduced by adding the elastomer toughening agent, a combined effect of chemical modification and physical modification is exploited, with target properties improved, a regenerated plastic alloy material with an excellent comprehensive property prepared, and the waste fully utilized to achieve energy saving and emission reduction.

Abstract: A method for obtaining a virtual object for a first terminal includes obtaining a first current indoor position, and obtaining a second indoor position corresponding to the first indoor position and a corresponding identifier of a virtual object. The second indoor position is a position of the virtual object corresponding to the identifier of the virtual object. The method also includes, when moving from the first indoor position into a first preset position range including the second indoor position, displaying an actual image shot by a camera and, when the actual image includes the second indoor position, displaying the virtual object at a position in the actual image corresponding to the second indoor position, obtaining a selection operation on the virtual object displayed in the actual image, and sending an obtaining request for the virtual object to a server according to the selection operation.

Abstract: A tracking method for a video surveillance system includes: obtaining identification information for a first target object uploaded by a positioning system; obtaining time information and location information for the positioning system at the time the positioning system uploads the identification information; storing the identification information, the location information, and the time information in a preset database to obtain a storage result; and generating tracking information for the first target object according to the storage result.