Abstract: A method for protecting a motor from overheating, includes: running a motor in a given parameter P and detecting a real-time temperature R of the motor; comparing the real-time temperature R with a plurality of set temperatures, the plurality of set temperatures including an overheating protection temperature Rm, shutdown temperature Rmax and recovery operation temperature Rmin, Rmin<Rm<Rmax; according to a comparison result, controlling the motor to operate at an initial current value I0, or operate in a reduced current value with respect to the initial current value I0, or stop running; and when the real-time temperature R meets the condition: Rm<R<Rmax, running the motor in an overheating protection mode, where the motor operates in a current value I lower than the initial current value I0, and the current value I decreases with the increase of the real-time temperature R.

Abstract: A combined motor controller, including: a first function module, including at least one power module powered by the mains supply to output a VDC power supply to power other modules; a second function module, including at least one motor control module including a microprocessor control unit (MCU) and an IGBT inverter; and a third function module, including at least one I/O module configured to transmit signals between a system main control board or a peripheral device and the motor control module. Each function module is provided with an independent metal or plastic shell and a first circuit board located in the shell, and the first function module, the second function module and the third function module are connected by mutually matched connectors for power supply or control signal transmission between the function modules.

Abstract: A motor controller includes a rectifier module, an inverter circuit, an energy storage capacitor C1, a DC inductor L1, a microprocessor, and a lightning protection and surge protection circuit. The rectifier module includes an output end connected to the energy storage capacitor C1 to charge the energy storage capacitor C1; two ends of the energy storage capacitor C1 are connected to the inverter circuit to supply power to the energy storage capacitor C1. The DC inductor L1 is in series connection between a positive output end A of the rectifier module and a positive end B of the energy storage capacitor C1. The lightning protection and surge protection circuit is disposed between the rectifier module and the energy storage capacitor C1. The lightning protection and surge protection circuit includes a differential mode protection circuit and a primary common mode protection circuit.

Abstract: A motor controller includes a rectifier module, an inverter circuit, an energy storage capacitor C1, a DC inductor L1, a microprocessor, and a lightning protection and surge protection circuit. The rectifier module includes an output end connected to the energy storage capacitor C1 to charge the energy storage capacitor C1; two ends of the energy storage capacitor C1 are connected to the inverter circuit to supply power to the energy storage capacitor C1. The DC inductor L1 is in series connection between a positive output end A of the rectifier module and a positive end B of the energy storage capacitor C1. The lightning protection and surge protection circuit is disposed between the rectifier module and the energy storage capacitor C1. The lightning protection and surge protection circuit includes a differential mode protection circuit and a primary common mode protection circuit.

Abstract: A motor controller includes a housing, a power circuit board, and a control circuit board. The housing includes a first mounting platform, a second mounting platform, and a side wall. There is a height difference between the first mounting platform and the second mounting platform. The first mounting platform is disposed on an upper part of the side wall, and the second mounting platform is disposed on a middle part of the side wall. The second mounting platform is disposed on one side of the first mounting platform. The first mounting platform and the side wall form an upper chamber, and the control circuit board and the power circuit board are disposed in the upper chamber. The control circuit board is closer to the first mounting platform than the power circuit board. The second mounting platform and the side wall form a lower chamber communicating with the upper chamber.

Abstract: A carriage comprises a carriage body (1) consisting of a top frame, side walls, and a bottom frame. An end wall (2) is disposed on at least one end of the carriage body (1). Connectors (3) are symmetrically disposed on the left side and the right side of an outer wall body of the end wall (2). All the connectors (3) disposed on the end wall (2) of the carriage are connected by means of lines. The carriages can be grouped into each train in a meal ordering manner. When each carriage is added into a high-speed train set, the arrangement of the carriage is not limited, and accordingly, the carriage can be added into the train without limitation. On the premise the of ensuring the normal work of systems of the train, the work amount of staff members in a group can be reduced, and the work time of the staff members in the group is shortened.

Abstract: A combined motor controller, including: a first function module, including at least one power module powered by the mains supply to output a VDC power supply to power other modules; a second function module, including at least one motor control module including a microprocessor control unit (MCU) and an IGBT inverter; and a third function module, including at least one I/O module configured to transmit signals between a system main control board or a peripheral device and the motor control module. Each function module is provided with an independent metal or plastic shell and a first circuit board located in the shell, and the first function module, the second function module and the third function module are connected by mutually matched connectors for power supply or control signal transmission between the function modules.

Abstract: A carriage comprises a carriage body (1) consisting of a top frame, side walls, and a bottom frame. An end wall (2) is disposed on at least one end of the carriage body (1). Connectors (3) are symmetrically disposed on the left side and the right side of an outer wall body of the end wall (2). All the connectors (3) disposed on the end wall (2) of the carriage are connected by means of lines. The carriages can be grouped into each train in a meal ordering manner. When each carriage is added into a high-speed train set, the arrangement of the carriage is not limited, and accordingly, the carriage can be added into the train without limitation. On the premise the of ensuring the normal work of systems of the train, the work amount of staff members in a group can be reduced, and the work time of the staff members in the group is shortened.

Abstract: A method for outputting constant air volume by a fan system including at least two brushless DC (BLDC) motors, the method including: storing a constant air volume control function Q=F (n, C) in a data processor, where Q indicates an air volume, n indicates a rotational speed of the BLDC motors, and C indicates an operating parameter of the BLDC motors; transmitting, by the data processor, identical speed signal commands to the BLDC motors, and allowing the BLDC motors to operate at equal or approximately equal rotational speeds; and feedbacking, by the BLDC motors, motor operating parameters C to the data processor, calculating, by the data processor, a motor speed n for outputting and maintaining a constant air volume, and transmitting the motor speed to the BLDC motors.

Abstract: A method for measuring an air volume of a blower motor, including: a) establishing M constant air volume control functions Qi=F(n) corresponding to M air volume points CFMi in a microprocessor of a motor controller; b) starting the motor, measuring a real-time rotational speed n0 and a parameter Q0 of the motor after the motor runs in a stable state, putting the parameter Q0 into the functions Qi=F(n) to obtain multiple rotational speeds ni, comparing the real-time rotational speed n0 with the multiple rotational speeds ni corresponding to the multiple air volume points CFMi, and determining a real-time detected air volume CFM0 which falls within two air volumes CFMi and CFMi-1; and c) calculating the real-time detected air volume CFM0 according to the two air volumes CFMi and CFMi-1 and the rotational speeds ni and ni-1 using an interpolation method.

Abstract: A method for outputting constant air volume by a fan system including at least two brushless DC (BLDC) motors, the method including: storing a constant air volume control function Q=F (n, C) in a data processor, where Q indicates an air volume, n indicates a rotational speed of the BLDC motors, and C indicates an operating parameter of the BLDC motors; transmitting, by the data processor, identical speed signal commands to the BLDC motors, and allowing the BLDC motors to operate at equal or approximately equal rotational speeds; and feedbacking, by the BLDC motors, motor operating parameters C to the data processor, calculating, by the data processor, a motor speed n for outputting and maintaining a constant air volume, and transmitting the motor speed to the BLDC motors.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for interrupting storage operations. An integrated circuit chip comprising non-volatile memory, the integrated circuit chip configured to, determine a number of portions into which a storage operation is to be split; pause execution of the storage operation from within the integrated circuit chip according to the determined number of portions; execute one or more other storage operations on the integrated circuit chip while the storage operation is paused, each of the one or more other storage operations having a shorter duration than the storage operation; and continue the paused storage operation in response to a trigger.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for interrupting storage operations. An integrated circuit chip comprising non-volatile memory, the integrated circuit chip configured to, determine a number of portions into which a storage operation is to be split; pause execution of the storage operation from within the integrated circuit chip according to the determined number of portions; execute one or more other storage operations on the integrated circuit chip while the storage operation is paused, each of the one or more other storage operations having a shorter duration than the storage operation; and continue the paused storage operation in response to a trigger.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for interrupting storage operations. A frequency module is configured to determine a frequency for pausing a storage operation. An interrupt module is configured to pause execution of a storage operation according to a determined frequency. A resume module is configured to continue a paused storage operation in response to a trigger.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for model based configuration parameter management. An association module is configured to group a plurality of erase blocks of a non-volatile memory medium based on an amount of time since data has been written to the plurality of erase blocks. A read module is configured to sample data of at least two word lines from at least one erase block from each of a plurality of groups of erase blocks. A configuration parameter module is configured to determine different read voltage thresholds for different word lines of groups of erase blocks using different read voltage threshold models for different groups based on sampled data.

Abstract: A device for detecting blockage of an air filter mesh, including: an air inlet, an air outlet, an air duct, a fan or a wind wheel, a blower motor, an air filter mesh, and a controller. The controller includes a main control board including: a microprocessor, an inverter circuit, and a motor operation parameter detecting circuit. The air filter mesh is disposed in the air duct. The motor operation parameter detecting circuit inputs a real time operation parameter into the microprocessor, and the output terminal of the microprocessor controls the inverter circuit. A function module of the microprocessor calculates a detected air volume according to the real time operation parameter. When the detected air volume is smaller than a preset air volume, the microprocessor determines that the air filter mesh is obstructed and outputs a signal to an alarm circuit to trigger an alarm.

Abstract: Apparatuses, systems, and methods are disclosed for a read operation for a non-volatile memory. A method includes determining whether one or more non-volatile storage cells satisfy a predefined condition. A method includes preparing the one or more non-volatile storage cells for use prior to satisfying a read request from a storage client using the one or more non-volatile storage cells in response to determining that a predefined condition is satisfied.

Abstract: Apparatuses, systems, and methods are disclosed for managing configuration parameters for non-volatile data storage. An initialization module is configured to initialize a value for a configuration parameter for a set of cells of a non-volatile memory medium. The initialization module may initialize the configuration parameter value based on a predetermined model for the set of cells. An update module is configured to adjust the configuration parameter using an existing function of the non-volatile memory medium. The existing function may use the initialized value to adjust the configuration parameter. The update module may adjust the configuration parameter in response to a trigger. An access module is configured to access the set of storage cells using the adjusted configuration parameter.

Abstract: Methods, storage controllers, and systems for non-volatile storage element programming are described. One method includes programming user data in pages associated with a set of wordlines of an erase block of a non-volatile, solid-state storage element. The method further includes selecting at least one of the wordlines of the set programmed with the user data and restricting further programming of user data in the pages associated with the selected wordline. In some embodiments, the selected wordline occurs subsequent to the pages associated with the other wordlines of the set in a page programming order for the erase block.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for detecting voltage threshold drift. A method includes programming a predetermined pattern to one page of at least three pages of a set of memory cells. A pattern may have a configuration to reduce a number of bit transitions between abodes of a set of memory cells based on a coding scheme for the set of memory cells. A method includes reading data from a different page of at least three pages. A method includes determining a direction for adjusting a read voltage threshold for a set of memory cells based on read data.