WO2014132496A1 - ハイブリッド建設機械、コントローラ及び不揮発性メモリの書込処理方法 - Google Patents
ハイブリッド建設機械、コントローラ及び不揮発性メモリの書込処理方法 Download PDFInfo
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- WO2014132496A1 WO2014132496A1 PCT/JP2013/081170 JP2013081170W WO2014132496A1 WO 2014132496 A1 WO2014132496 A1 WO 2014132496A1 JP 2013081170 W JP2013081170 W JP 2013081170W WO 2014132496 A1 WO2014132496 A1 WO 2014132496A1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/267—Diagnosing or detecting failure of vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2004—Control mechanisms, e.g. control levers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2095—Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
Definitions
- the present invention relates to a hybrid construction machine, a controller, and a nonvolatile memory writing processing method.
- JP2012-205466A discloses a hybrid construction machine that regenerates energy discharged from a hydraulic device.
- Such a hybrid construction machine includes a hydraulic device including a pump that discharges a working fluid to drive an actuator, a regenerative device that generates power using energy discharged from the hydraulic device, and status information of the hydraulic device and the regenerative device.
- a non-volatile memory capable of storing. In the nonvolatile memory, status information indicating what kind of abnormality has occurred in the hydraulic device, the regenerative device, or the like is recorded. The determination of whether or not an abnormality has occurred is repeatedly performed every predetermined time. When it is determined that an abnormality has occurred, status information is recorded in the nonvolatile memory.
- An object of the present invention is to provide a hybrid construction machine, a controller, and a nonvolatile memory writing processing method capable of extending the lifetime of the nonvolatile memory whose number of times that information can be updated is limited.
- a hybrid construction machine includes a hydraulic device including a pump that discharges a working fluid and drives an actuator, a regenerative device that generates electric power using energy discharged from the hydraulic device, and the hydraulic pressure
- a nonvolatile memory that stores state information indicating whether the state of at least one of the device and the regenerative device is normal or abnormal, a detection unit that detects the state, and a detection result of the detection unit
- the state determination unit that generates state information indicating whether the state is normal or abnormal, the state information generated by the state determination unit, and the state information stored in the nonvolatile memory are the same
- An information comparison unit that compares whether or not there is, and an update unit that writes the state information generated by the state determination unit to the nonvolatile memory when the comparison result of the information comparison unit is different.
- FIG. 1 is a schematic configuration diagram of a fluid pressure control system of a hybrid construction machine according to an embodiment of the present invention.
- FIG. 2 is a schematic configuration diagram of an assist regeneration mechanism connected to the fluid pressure control system.
- FIG. 3 is a flowchart of a state information update process executed by a controller mounted on the hybrid construction machine.
- FIG. 4 is a diagram illustrating state information including information on the state of the hybrid construction machine.
- FIG. 5 is a diagram illustrating an example of the state information update process.
- FIG. 1 is a schematic configuration diagram of a fluid pressure control system 100 provided in the hybrid construction machine according to the present embodiment.
- the fluid pressure control system 100 is a device that controls the operation of a hydraulic work machine such as a hydraulic excavator.
- the fluid pressure control system 100 controls the expansion / contraction operation of the boom cylinder 10 that drives the boom 1 (load) of the excavation attachment of the hydraulic excavator.
- the fluid pressure control system 100 includes a boom cylinder 10 that is an actuator, a main pump 21 that discharges hydraulic oil to drive the boom cylinder 10, a pilot pump 22, a main control valve 30, a main passage 23, a first passage, A passage 41, a second passage 42, and a controller 50 are provided.
- the boom cylinder 10, the main pump 21, the pilot pump 22, the main control valve 30, the main passage 23, the first passage 41, the second passage 42, and the like constitute the hydraulic device 110.
- the interior of the boom cylinder 10 is partitioned into a rod-side pressure chamber 11 and a bottom-side pressure chamber 12 by a piston rod 13 that slidably moves within the boom cylinder 10.
- the boom 1 is connected to the tip of a piston rod 13 located outside the boom cylinder 10.
- the main pump 21 and the pilot pump 22 are hydraulic supply sources that discharge hydraulic oil (working fluid), and are variable displacement types that can adjust the discharge amount of the hydraulic oil by controlling the inclination angle of each swash plate. It is a hydraulic pump.
- the main pump 21 and the pilot pump 22 are driven by an engine mounted on the hybrid construction machine.
- the hydraulic oil discharged from the main pump 21 is supplied to the main control valve 30 through the main passage 23.
- the main pump 21 and the main control valve 30 are connected by the main passage 23.
- the hydraulic oil discharged from the assist pump 61 of the assist regeneration mechanism 200 (see FIG. 2) is guided to the main passage 23 through the sub passage 62.
- the main control valve 30 and the rod side pressure chamber 11 of the boom cylinder 10 are connected by a first passage 41, and the main control valve 30 and the bottom side pressure chamber 12 of the boom cylinder 10 are connected by a second passage 42.
- the second passage 42 is connected to a return passage 72 through which a part of the hydraulic oil discharged from the bottom side pressure chamber 12 flows.
- the hydraulic oil that has flowed into the return passage 72 drives the regeneration motor 71 of the assist regeneration mechanism 200 (see FIG. 2).
- the main control valve 30 is a device that switches between supply and discharge of hydraulic oil to and from the boom cylinder 10.
- the main control valve 30 is operated by hydraulic pressure (pilot pressure) of hydraulic oil supplied from the pilot pump 22 to the pilot chambers 31 and 32 of the main control valve 30. Control of the pilot pressure supplied to the pilot chambers 31 and 32 is performed by the controller 50 controlling the pilot solenoid valve 24 based on a lever operation by the crew of the hydraulic excavator.
- the valve mechanism of the main control valve 30 is switched to the position a.
- the hydraulic oil discharged from the main pump 21 is supplied to the rod-side pressure chamber 11 through the first passage 41, and the hydraulic oil in the bottom-side pressure chamber 12 is discharged to the tank T through the second passage 42.
- the piston rod 13 in the boom cylinder 10 moves downward in FIG. 1, the boom cylinder 10 contracts, and the boom 1 descends.
- the valve mechanism of the main control valve 30 is switched to the position b.
- the hydraulic oil discharged from the main pump 21 is supplied to the bottom side pressure chamber 12 through the second passage 42, and the hydraulic oil in the rod side pressure chamber 11 is discharged to the tank T through the first passage 41.
- the piston rod 13 in the boom cylinder 10 moves upward in FIG. 1, the boom cylinder 10 extends, and the boom 1 rises.
- the main control valve 30 has three switching positions: a contracted position a for contracting the boom cylinder 10, an extended position b for extending the boom cylinder 10, and a cutoff position c for holding the load of the boom cylinder 10. ing.
- the fluid pressure control system 100 further includes an assist regeneration mechanism 200 shown in FIG.
- the assist regeneration mechanism 200 regenerates the hydraulic energy of the hydraulic oil discharged from the bottom pressure chamber 12 when the boom cylinder 10 is contracted as electric energy, and assist control that applies assist force when the boom cylinder 10 is extended. Execute.
- the assist regeneration mechanism 200 has a function as a regeneration device that generates electric power using the hydraulic energy of the hydraulic oil discharged from the hydraulic device 110.
- the assist regeneration mechanism 200 includes a motor generator 81, a regeneration motor 71, an assist pump 61, a battery 91, an inverter 92, a return passage 72, and a sub passage 62.
- the motor generator 81 is a rotating electrical machine having a function as an electric motor that drives the assist pump 61 based on the electric power of the battery 91 and a function as a generator that is driven by the regenerative motor 71 to generate electric power.
- Rotating shafts of the motor generator 81, the regenerative motor 71, and the assist pump 61 are arranged coaxially.
- the rotation shaft of the motor generator 81 rotates
- the rotation shafts of the regenerative motor 71 and the assist pump 61 rotate in conjunction with each other.
- the rotating shaft of the regenerative motor 71 rotates
- the rotating shafts of the motor generator 81 and the assist pump 61 rotate together.
- the regenerative motor 71 is a variable displacement hydraulic motor capable of controlling the output torque by controlling the inclination angle of the swash plate.
- the regenerative motor 71 is driven by hydraulic oil that has been discharged from the bottom pressure chamber 12 of the boom cylinder 10 and has flowed through the return passage 72.
- the inclination angle of the swash plate of the regenerative motor 71 is controlled by an inclination angle controller 73.
- the tilt angle controller 73 is controlled by the controller 50.
- the return passage 72 is provided with a return control valve 74 that controls the supply of hydraulic oil to the regenerative motor 71.
- the valve mechanism of the return control valve 74 provides a communication position d for supplying hydraulic oil to the regenerative motor 71 in accordance with the pilot pressure supplied from the pilot pump 22 to the pilot chamber 74A, and supply of the hydraulic oil to the regenerative motor 71. It switches to the blocking position e where it stops. Control of the pilot pressure supplied to the pilot chamber 74A is performed by the controller 50 controlling the pilot solenoid valve 75 based on a lever operation by a crew member of the hydraulic excavator.
- Assist pump 61 is a variable displacement hydraulic pump capable of controlling the discharge amount by controlling the inclination angle of the swash plate.
- the assist pump 61 is driven by the motor generator 81 and supplies hydraulic oil to the main passage 23 through the sub passage 62.
- the inclination angle of the swash plate of the assist pump 61 is controlled by an inclination angle controller 63.
- the tilt angle controller 63 is controlled by the controller 50.
- the sub passage 62 is provided with a sub control valve 64 that controls the supply of hydraulic oil to the main passage 23.
- the valve mechanism of the sub control valve 64 supplies a communication position f for supplying hydraulic oil to the main passage 23 according to the pilot pressure supplied from the pilot pump 22 to the pilot chamber 64A, and supplies hydraulic oil to the main passage 23. It switches to the blocking position g to stop. Control of the pilot pressure supplied to the pilot chamber 64A is performed by the controller 50 controlling the pilot solenoid valve 65 based on a lever operation by the crew of the excavator.
- the motor generator 81 is connected to a battery 91 as a power storage device via an inverter 92.
- the battery 91 is a battery in which a plurality of secondary battery cells such as chargeable / dischargeable lithium ion batteries are connected in series.
- the electrical wiring 93 that connects the battery 91 and the inverter 92 is provided with a relay switch 94 for controlling the electrical connection state.
- the relay switch 94 is ON / OFF controlled by the controller 50.
- the inverter 92 is controlled by the controller 50 and converts direct current into alternating current or alternating current into direct current.
- DC power output from the battery 91 is converted into three-phase AC power having an arbitrary frequency and supplied to the motor generator 81.
- the motor generator 81 functions as a generator, the three-phase AC power output from the motor generator 81 is converted into DC power and supplied to the battery 91.
- the valve mechanism of the return control valve 74 is switched to the communication position d, and a part of the hydraulic oil discharged from the bottom-side pressure chamber 12 passes through the return passage 72 to the regenerative motor. 71.
- the inclination angle of the swash plate of the assist pump 61 is controlled so that the capacity of the assist pump 61 is minimized.
- the motor generator 81 since the rotation shaft of the motor generator 81 rotates in synchronization with the rotation shaft of the regenerative motor 71, the motor generator 81 can generate electric power and the battery 91 can be charged. That is, the hydraulic energy of the hydraulic oil discharged from the boom cylinder 10 can be converted into electric energy.
- the valve mechanism of the return control valve 74 is switched to the cutoff position e, and all the hydraulic oil discharged from the bottom side pressure chamber 12 of the boom cylinder 10 is in the second passage 42. Through the tank T.
- the bottom side pressure chamber can be obtained only by the discharge amount of the main pump 21.
- the flow rate of the hydraulic oil supplied to 12 may be insufficient. In such a case, assist control by the assist regeneration mechanism 200 is executed.
- the battery generator 91 drives the motor generator 81 as an electric motor to drive the assist pump 61.
- the inclination angle of the swash plate of the regenerative motor 71 is controlled so that the torque of the regenerative motor 71 is minimized.
- the hydraulic oil discharged from the assist pump 61 can be joined to the main passage 23 through the sub passage 62, and an assisting force by the assist pump 61 can be applied when the boom cylinder 10 is extended. Accordingly, the boom cylinder 10 can be quickly extended.
- the controller 50 is configured to monitor the state of the vehicle during operation.
- the controller 50 includes an E 2 PROM 51 (see FIG. 1) capable of storing vehicle state information, and updates the state information in the E 2 PROM 51 to the latest information by executing the state information update process shown in FIG.
- the E 2 PROM 51 is a non-volatile memory having a limit on the number of times information can be rewritten (number of times information can be updated).
- E 2 PROM is used as the nonvolatile memory for storing state information, but flash memory, MRAM, or the like may be used.
- the state information update process executed by the controller 50 of the hybrid construction machine will be described.
- the state information update process is executed at a cycle of several milliseconds during the operation of the hybrid construction machine.
- step 101 (S101) the controller 50 reads the state information of the hybrid construction machine (vehicle) stored in the E 2 PROM 51. Incidentally, when reading the status information from the E 2 PROM51 reads the latest status information stored in the E 2 PROM51.
- the vehicle state information is information for determining whether the state of at least one of the hydraulic device 110 and the assist regeneration mechanism 200 as a regeneration device is normal or abnormal. As shown in FIG. 4, the vehicle state information includes a plurality of determination items and determination information determined for each determination item. Determination information 0 indicates a normal state, and determination information 1 indicates an abnormal state.
- the controller 50 includes, for example, the power supply voltage and substrate temperature of the controller 50, the current value and temperature of the battery 91, the temperature of the motor generator 81, the operating state of the pressure sensor that detects the hydraulic pressure of the hydraulic oil, and the inclination angle controllers 63 and 73. The determination items such as the operation state are determined.
- the controller 50 executes a state detection process.
- the controller 50 detects the current state of the plurality of determination items.
- the controller 50 includes a detection unit that detects the state of the vehicle including the hydraulic device 110, the assist regeneration mechanism 200, and the like.
- the controller 50 executes a state determination process.
- the controller 50 determines whether each of the plurality of determination items is in a normal state or an abnormal state, and generates state information including determination information for each determination item as illustrated in FIG.
- the controller 50 includes a state determination unit that determines the state of the vehicle and generates state information.
- the controller 50 determines whether or not abnormality determination information (determination information 1) is included in the current state information generated in S103.
- the controller 50 executes the process of S105.
- the controller 50 executes a notification process.
- the controller 50 notifies the crew member etc. of the abnormality determination information included in the state information determined in S104.
- the controller 50 includes a notification unit that notifies the crew member of the abnormality determination information.
- the controller 50 displays on a display, a lamp, or the like, or notifies a judgment item including an abnormality determination by a buzzer, a voice, or the like. Thereby, the crew can recognize the occurrence of the abnormality.
- the controller 50 compares the status information read from the E 2 PROM 51 in S101 with the current status information generated in S103, and determines whether these two status information have the same contents. judge.
- the controller 50 includes an information comparison unit that compares the above-described two state information.
- the controller 50 If it is determined in S106 that the determination information regarding the corresponding determination item is different between the state information read from the E 2 PROM 51 and the state information generated in S103, the controller 50 performs the process of S107. Execute. Note that even when there is no state information stored in the E 2 PROM 51 in S101, it is determined that the determination information is different.
- the controller 50 sets the write flag to ON in order to permit the update of the status information for the E 2 PROM 51.
- the controller 50 executes the process of S108.
- the controller 50 sets the write flag to OFF in order to prohibit the update of the status information for the E 2 PROM 51.
- the controller 50 determines whether or not the write flag is set to ON.
- the controller 50 determines that new abnormality determination information is included in the state information determined this time, and the update processing in S110 Execute.
- the controller 50 writes the status information generated in S103 to the E 2 PROM51, updates the status information of the E 2 PROM51, and ends the state information update process.
- the controller 50 includes an update unit that updates the state information of the E 2 PROM 51.
- the controller 50 determines that it is not necessary to update the state information stored in the E 2 PROM 51, and the update process in S110 The status information update process is terminated without executing.
- the processes are executed in the order of S104, S105, and S106.
- the process of S106 may be executed after the process of S103, and then the processes of S104 and S105 may be executed sequentially.
- the controller 50 of the hybrid construction machine according to this embodiment described above has the following effects.
- the controller 50 executes the state information update process at a predetermined cycle, and this time only when the contents of the vehicle state information generated during the state information update process and the state information stored in the E 2 PROM 51 are different.
- the generated state information is written in the E 2 PROM 51, and the state information is updated. Therefore, the frequency of updating the state information is reduced compared to the conventional method in which the state information is updated each time vehicle state information (information relating to at least one of the hydraulic device 110 and the assist regeneration mechanism 200) is determined. Can do. Thereby, it is possible to extend the life of the E 2 PROM 51 which is a nonvolatile memory.
- the state information includes a plurality of determination items and normal determination information or abnormality determination information for each determination item.
- the controller 50 updates the state information when the determination information regarding the corresponding determination item is different between the state information of the vehicle generated during the execution of the state information update process and the state information stored in the E 2 PROM 51. To do.
- the states of a plurality of determination items can be managed and updated at a time, and the frequency of updating state information with a large amount of information can be reduced. Therefore, the life of the E 2 PROM 51 can be further extended.
- the state information for the past several times may be stored in the E 2 PROM 51.
- the state information for the past three times may be stored in the E 2 PROM 51.
- the state information including the abnormality information (determination information 1) in the determination item B as the first state information is E as shown in FIG. 2 Written in PROM 51.
- the state information stored in the first state information is used as the second state information as the E 2 PROM 51.
- the latest state information including abnormality information in the determination item A is written in the E 2 PROM 51 as the first state information.
- the data stored as the first state information is moved to the address of the second state information.
- the state information stored in the second state information is used as the third state information as E 2.
- the state information stored in the PROM 51 and stored in the first state information is stored in the E 2 PROM 51 as the second state information, and the latest state information including abnormality information in the determination item A and the determination item C is the first state information.
- E 2 PROM 51 As E 2 PROM 51.
- the data stored as the second state information is moved to the address of the third state information, and the data stored as the first state information is moved to the address of the second state information.
- the state information for the past three times is stored in the E 2 PROM 51, it is possible to analyze what kind of abnormality has occurred and in what order, and the occurrence of abnormality in the hybrid construction machine. It becomes easy to investigate the cause.
- the state information for the past three times is stored in the E 2 PROM 51, but how many times the state information is stored is arbitrarily set as necessary.
- the number of consecutive non-updates when the status information is not continuously updated is calculated, and the process of writing the number of consecutive non-updates in the E 2 PROM 51 is executed. Good. Note that, when the status information of the E 2 PROM 51 is updated, the non-update continuous count is set to zero.
- the state information may be recorded in the E 2 PROM 51 even when the abnormality information is not included in the state information, and time information and the like may be recorded together. As a result, it is possible to record when an abnormality has occurred and when it has returned from the abnormal state to the normal state.
- the fluid pressure control system 100 is a system that controls the operation of the boom cylinder 10, it is a system that controls the operation of a plurality of actuators such as an arm cylinder, a bucket cylinder, a travel motor, and a turning motor of a hybrid construction machine. Also good.
- hydraulic oil is used as the working fluid, but water, water-soluble alternative liquid, or the like may be used instead of the hydraulic oil.
- the regenerative motor is driven by the working fluid discharged from the actuator to regenerate.
- the actuator and the motor generator may be mechanically connected by a driving force transmission mechanism such as a wire rope, and regenerative control or assist control may be executed using kinetic energy.
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Abstract
Description
Claims (6)
- 作動流体を吐出してアクチュエータを駆動するポンプを含む油圧装置と、
前記油圧装置から排出されるエネルギを用いて発電する回生装置と、
前記油圧装置と前記回生装置のうち少なくとも一方の状態が正常であるか異常であるかの状態情報を記憶する不揮発性メモリと、
前記状態を検出する検出部と、
前記検出部の検出結果に基づいて前記状態が正常であるか異常であるかの状態情報を生成する状態判定部と、
前記状態判定部で生成された状態情報と、前記不揮発性メモリに記憶されている状態情報との内容が同じであるか否かを比較する情報比較部と、
前記情報比較部の比較結果が異なる場合に、前記状態判定部で生成された状態情報を前記不揮発性メモリに書き込む更新部と、
を備えるハイブリッド建設機械。 - 請求項1に記載のハイブリッド建設機械であって、
前記各状態情報は、複数の判定項目ごとに正常であるか異常であるかを示し、
前記情報比較部は、前記状態判定部で生成された状態情報と、前記不揮発性メモリに記憶されている状態情報の間で、対応する全ての判定項目が同じであるか否かを比較し、
前記更新部は、前記情報比較部の比較結果において少なくとも一つの判定項目が異なる場合に、前記状態判定部で生成された状態情報を前記不揮発性メモリに書き込む、
ハイブリッド建設機械。 - 請求項1に記載のハイブリッド建設機械であって、
前記情報比較部又は前記更新部は、前記状態判定部で生成された状態情報に異常情報が含まれている場合にのみ処理を実行する、
ハイブリッド建設機械。 - 請求項1から3のいずれか一つに記載のハイブリッド建設機械であって、
前記状態判定部で生成された状態情報に異常情報が含まれている場合に、前記状態判定部の判定結果が異常であることを報知する報知部をさらに備える、
ハイブリッド建設機械。 - 作動流体を吐出してアクチュエータを駆動するポンプを含む油圧装置と、前記油圧装置から排出されるエネルギを用いて発電する回生装置とを有するハイブリッド建設機械のコントローラであって、
前記油圧装置と前記回生装置のうち少なくとも一方の状態が正常であるか異常であるかの状態情報を記憶する不揮発性メモリと、
前記状態を検出する検出部と、
前記検出部の検出結果に基づいて前記状態が正常であるか異常であるかの状態情報を生成する状態判定部と、
前記状態判定部で生成された状態情報と、前記不揮発性メモリに記憶されている状態情報との内容が同じであるか否かを比較する情報比較部と、
前記情報比較部の比較結果が異なる場合に、前記状態判定部で生成された状態情報を前記不揮発性メモリに書き込む更新部と、
を備えるコントローラ。 - 作動流体を吐出してアクチュエータを駆動するポンプを含む油圧装置と、前記油圧装置から排出されるエネルギを用いて発電する回生装置とのうち、少なくとも一方の状態が正常であるか異常であるかの状態情報が記憶される不揮発性メモリの書込処理方法であって、
前記状態を検出する検出ステップと、
前記検出部の検出結果に基づいて前記状態が正常であるか異常であるかの状態情報を生成する状態判定ステップと、
前記状態判定ステップで生成された状態情報と、前記不揮発性メモリに記憶されている状態情報との内容が同じであるか否かを比較する情報比較ステップと、
前記情報比較ステップの比較結果が異なる場合に、前記状態判定ステップで生成された状態情報を前記不揮発性メモリに書き込む更新ステップと、
を備える不揮発性メモリの書込処理方法。
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DE201311003145 DE112013003145T5 (de) | 2013-02-28 | 2013-11-19 | Hybride Baumaschine, Steuereinrichtung und Schreibverarbeitungsverfahren für einen nicht-flüchtigen Speicher |
US14/404,960 US20150134196A1 (en) | 2013-02-28 | 2013-11-19 | Hybrid construction machine, controller, and write processing method for nonvolatile memory |
CN201380030891.9A CN104350215B (zh) | 2013-02-28 | 2013-11-19 | 混合动力建筑机械、控制器以及非易失性存储器的写入处理方法 |
KR1020147033157A KR20150013201A (ko) | 2013-02-28 | 2013-11-19 | 하이브리드 건설 기계, 컨트롤러 및 불휘발성 메모리의 기입 처리 방법 |
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JP2013038976A JP2014167219A (ja) | 2013-02-28 | 2013-02-28 | ハイブリッド建設機械、コントローラ及び不揮発性メモリの書込処理方法 |
JP2013-038976 | 2013-02-28 |
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US (1) | US20150134196A1 (ja) |
JP (1) | JP2014167219A (ja) |
KR (1) | KR20150013201A (ja) |
CN (1) | CN104350215B (ja) |
DE (1) | DE112013003145T5 (ja) |
WO (1) | WO2014132496A1 (ja) |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02144706A (ja) * | 1988-11-28 | 1990-06-04 | Hitachi Constr Mach Co Ltd | 操作レバーによるアクチユエータ制御方法 |
JP2013014915A (ja) * | 2011-07-01 | 2013-01-24 | Sumitomo Heavy Ind Ltd | ショベル |
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CN102134867B (zh) * | 2010-01-21 | 2014-02-05 | 住友重机械工业株式会社 | 混合型作业机械 |
JP5703587B2 (ja) * | 2010-04-14 | 2015-04-22 | コベルコ建機株式会社 | ハイブリッド作業機械 |
JP5226733B2 (ja) * | 2010-05-20 | 2013-07-03 | 株式会社小松製作所 | ハイブリッド建設機械およびハイブリッド建設機械の蓄電器容量計測方法 |
JP5035463B2 (ja) * | 2010-09-17 | 2012-09-26 | ダイキン工業株式会社 | ハイブリッド型油圧装置 |
JP5719655B2 (ja) * | 2011-03-28 | 2015-05-20 | カヤバ工業株式会社 | 蓄電装置及びハイブリッド建設機械 |
JP5360123B2 (ja) * | 2011-04-22 | 2013-12-04 | 株式会社デンソー | 車載電子制御装置、診断ツールおよび診断システム |
JP5665652B2 (ja) * | 2011-05-19 | 2015-02-04 | 日立建機株式会社 | 建設機械の情報管理装置 |
JP2013017915A (ja) * | 2011-07-07 | 2013-01-31 | Hitachi Constr Mach Co Ltd | スクリーン |
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2013
- 2013-02-28 JP JP2013038976A patent/JP2014167219A/ja active Pending
- 2013-11-19 KR KR1020147033157A patent/KR20150013201A/ko not_active Application Discontinuation
- 2013-11-19 CN CN201380030891.9A patent/CN104350215B/zh not_active Expired - Fee Related
- 2013-11-19 US US14/404,960 patent/US20150134196A1/en not_active Abandoned
- 2013-11-19 DE DE201311003145 patent/DE112013003145T5/de not_active Withdrawn
- 2013-11-19 WO PCT/JP2013/081170 patent/WO2014132496A1/ja active Application Filing
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH02144706A (ja) * | 1988-11-28 | 1990-06-04 | Hitachi Constr Mach Co Ltd | 操作レバーによるアクチユエータ制御方法 |
JP2013014915A (ja) * | 2011-07-01 | 2013-01-24 | Sumitomo Heavy Ind Ltd | ショベル |
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US20150134196A1 (en) | 2015-05-14 |
KR20150013201A (ko) | 2015-02-04 |
CN104350215A (zh) | 2015-02-11 |
JP2014167219A (ja) | 2014-09-11 |
DE112013003145T5 (de) | 2015-03-12 |
CN104350215B (zh) | 2017-03-29 |
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