601 results about "Load unit" patented technology

A self-powered railroad system (1700), in one embodiment, comprises a locomotive (1710), a control source (1715), and a plurality of load units (1720A-K and 1730A-G), some of which are railroad vehicles (1720A-K) comprising the components of railroad vehicle (1500) that provide for selective operation in a motoring mode, a coasting mode, or a dynamic braking mode. The self-powered railroad system may also comprise a control source and at least one railroad vehicle controlled by the control source, such as for coupling, uncoupling, and moving to or from a loading dock.

The invention relates to a device for managing battery packs by measuring and monitoring the operating capacity of individual battery modules in a battery pack. A programmable logic controller directs the selective closing of relays to allow individual battery modules to be load-tested using a variable discharge load unit, without compromising useful battery pack capacity. A battery module whose useful capacity falls below a predefined threshold may be connected to a battery charger for replenishment and then electrically realigned with the remaining modules in the pack for continued operation. Alternatively, an alarm may be triggered which alerts the user that the module is due for replacement. This sequence of events is performed on all cells in the pack at a predetermined interval.

The invention relates to a miniature power supplying system containing a plurality of distributed power supplies, and discloses an intelligent energy control system capable of controlling a microgrid by using forecast information. The intelligent control system for microgrid energy comprises a microgrid system and a control system, wherein the microgrid system comprises a power supply unit, an energy storage unit and a load unit, and the control system comprises an information collecting system and a central processing unit. The central processing unit comprises a load forecasting module, a microgrid online status estimating module, an energy forecasting module of an intermittent power supply energy forecasting and storing unit, a microgrid system analyzing module and a microgrid multiobjective optimization operation and comprehensive coordination control module. The intelligent control system for microgrid energy can control the microgrid according to the forecast information and accomplish the intelligent operation of the microgrid.

The invention relates to a general-purpose automatic test method for a locomotive switching power supply, and general-purpose automatic test system, and comprises a test control system, a programmable power supply unit, a programmable DC load unit and a programmable data acquisition unit, wherein the programmable power supply unit is connected with the test control system through a GPIB bus and provides excitation for the tested switching power supply; the programmable DC load unit is connected with the test control system through the GPIB bus and provides a load for the switching power supply to be tested; and the programmable data acquisition unit is connected with the test control system through the GPIB bus and acquires responses of the tested switching power supply. The output voltage, voltage regulation factor, load regulation factor and the like are tested by logging in virtual instrument software on a personal computer. The invention can well overcome the defects of insufficient compatibility, high complexity and low reliability of the test system in the prior art, and has the advantages of automation, general purpose, convenient operation and reliable performance.

A floating point unit (FPU) for processing denormal numbers in floating point notation, a method of processing such numbers in an FPU and a computer system employing the FPU or the method. In one embodiment, the FPU includes: (1) a load unit that receives a denormal number having an exponent portion of a standard length from a source without the FPU and transforms the denormal number into a normalized number having an exponent portion of an expanded length greater than the standard length, (2) a floating point execution core, coupled to the load unit, that processes the normalized number at least once to yield a processed normalized number, the expanded length of the exponent portion allowing the processed normalized number to remain normal during processing thereof and (3) a store unit, coupled to the floating point execution core, that receives the processed normalized number and transforms the processed normalized number back into a denormal number having an exponent portion of the standard length.

A processing unit includes a store-in lower level cache having reservation logic that determines presence or absence of a reservation and a processor core including a store-through upper level cache, an instruction execution unit, a load unit that, responsive to a hit in the upper level cache on a load-reserve operation generated through execution of a load-reserve instruction by the instruction execution unit, temporarily buffers a load target address of the load-reserve operation, and a flag indicating that the load-reserve operation bound to a value in the upper level cache. If a storage-modifying operation is received that conflicts with the load target address of the load-reserve operation, the processor core sets the flag to a particular state, and, responsive to execution of a store-conditional instruction, transmits an associated store-conditional operation to the lower level cache with a fail indication if the flag is set to the particular state.

The present invention relates to an exercise apparatus which is a multiple functions exercise apparatus. One function of the exercise apparatus allows the user taking chin-up exercise substantially solely by his fingers. The exercise apparatus comprises a frame, two guiding mechanisms respectively connected to the left and right sides of the frame, a load unit positioned on the frame, a cable-and-pulley device connected to the frame and linked the load unit and the guiding mechanisms, and the cable-and-pulley device further having two pulling portions engaged with respective guiding mechanisms, at least an exercise accessory operable connected to at least one pulling portion, at least two climbing-holds mounted on the frame for the user gripping thereon and taking chin-up exercise.

A method for determining a power outage probability of an electrical power grid for a time period, the method comprising the following steps carried by a processor of a data processing unit:

• • dividing the time period into several time intervals,
  • determining a power generation capacity of a power generation facility and an energy storage unit size for an energy storage unit for said time period,
  • determining an effective load unit demand for each time interval from a load unit demand of a load unit for each time interval, and
  • computing the power outage probability using a grid parameter that comprises the power generation capacity, the energy storage unit size and the effective load unit demand, wherein the grid parameter is optimized for its maximum value with respect to all time intervals of the time period

The invention provides a simulation test device and a simulation test method for an electronic control unit (ECU) of an engine. The simulation test device comprises a main control chip unit, a power module, a BDM unit, an ECU power control unit, an ECU voltage test unit, an over-current protection unit, a sensor analog quantity generating unit, an on/off value digital signal generating unit, an ECU inductance-outputting executive component simulation load and protection unit, an ECU resistance-outputting simulation load unit, a communication unit and a signal wiring harness, wherein each unit is connected with the main control chip; and the power module supplies power to each unit. The method for detecting by simulating an external signal connected by the stimulation ECU and by driving an input/output interface having common property with the ECU is based on the performance characteristic of the ECU and suitable for detecting simulation function of a plurality of ECU large-scale production. The method has the advantages of simple structure, low cost, convenient movement, convenient test and the like.

The invention discloses a chip testing processor, which mainly comprises: a load unit which comprises a detachable user tray material box for positioning the user tray that is provided with a to-be-tested chip; a pre-positioning unit which comprises a precise guide positioning plate and a vibration source generating vibration; a horizontal posture testing unit which comprises a set of high-precision sensors for testing whether the chip placed in a test fixture is located at a horizontal posture; a pickup unit which comprises a multi-head pickup device for picking-up the chip and a mechanical clamp for picking-up the tray; a testing unit which comprises the test fixture and a vertical elevating mechanism; a precision indexing turntable unit for accurately controlling station; a level multi-joint mechanical arm for serving as a four-freedom robot; the invention has characteristics of reasonable structure, convenient using, stable using performance, and good using effect.

A sequence state matrix has a plurality of time slots for storing a plurality of memory device signals. The memory device signals are loaded into the matrix by a sequencer load unit, which loads the memory device signals at locations in the matrix corresponding to the times that the signals will be coupled to a memory device. The sequencer load unit loads the signals into the matrix at a rate corresponding to a frequency of a system clock signal controlling the operation of the electronic system. A first in, first out (“FIFO”) buffer receives the memory device signals from the sequence state matrix at a rate corresponding to the frequency of the system clock signal. A command selector transfers the memory device signals from the FIFO buffer to the memory device at a rate corresponding to the frequency of a memory clock signal controlling the operation of the memory device.

Disclosed is a system for loading a parcel, which loads an object on a loading transportation vehicle through a conveyor belt of a loading unit, including: an image information acquiring unit which acquires image information acquired by photographing the parcel on the conveyor belt; an object recognition unit which measures the size of the object from the image information and calculates a rotation state of the object; and a control unit which controls the speed of the conveyor belt according to the size and the rotation state of the object.

A tabular method of non-intrusive electrical load decomposition includes the following steps of: conducting off-line statistics of unit current parameters of various pieces of electric equipment; selecting the type of main electric equipment according to electrical load; selecting a power proportion spacing to combine the power proportion vectors of all possible main electric equipment inside the electrical load; obtaining the electrical load unit estimation current corresponding to the power proportions in an off-line way and forming a corresponding table of the power proportions and the unit estimation current; thinning the corresponding table of the power proportions and the unit estimation current into a plurality of sub corresponding tables according to the size of parameters of the unit estimation current; according to the size of a practically detected load current parameter, judging a sub corresponding table therein; and finding the load unit estimation current closest to the practically detected load current in the sub table, obtaining the power consumption proportion of the main electric equipment inside the load and realizing load decomposition. The tabular method can decrease the calculation quantity of load decomposition effectively and can be applied to the fields of load monitoring, electrical energy consumption analysis, load energy saving, load prediction, load modeling and the like in an electric power system.

A system and a method for load creation is disclosed. The system comprises two or more stations, in which the load units are formed. In a first station, one or more packages are collected and placed to form the load unit. In later stations loading ledges are added to the load units, and straps and/or stretch wrapping is wound around the load units.

A centralized cooling system can selectively deliver individualized cooling to individual electrical load units. The system can provide direct cooling from a manifold of cooling outlets in a controlled manner based on the sensed electrical loads of particular load units. A branch monitoring system monitors the load on electrical feeds that are coupled to electrical load units. A controller is coupled to the branch monitoring system and provides output to control a cooling unit. At least one control valve is further coupled to the controller downstream of the cooling unit generally at each cooling outlet to control an amount of cooling fluid, such as air or liquid, directed to one or more of the units. If a load changes for a given unit, the controller can actuate a cooling valve coupled to a corresponding cooling outlet and alter the amount of cooling fluid flowing into or around the unit(s).

An automatic agricultural cultivating equipment includes a supporting unit, a rotating unit, a driving unit, a loading unit, an operating unit, and a supply unit. The rotating unit is driven by the driving unit to rotate on the supporting unit about a vertical axis, and defines an operation region and a cultivation region. The loading unit includes a plurality of loading plates disposed on the rotating unit and in the cultivation region. The supply unit is disposed on the rotating unit for supplying water and light to the loading unit.