JP6179922B2 - Amphibious engine control system - Google Patents

Amphibious engine control system Download PDF

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JP6179922B2
JP6179922B2 JP2014001305A JP2014001305A JP6179922B2 JP 6179922 B2 JP6179922 B2 JP 6179922B2 JP 2014001305 A JP2014001305 A JP 2014001305A JP 2014001305 A JP2014001305 A JP 2014001305A JP 6179922 B2 JP6179922 B2 JP 6179922B2
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進一 佐藤
進一 佐藤
青木　泰道
泰道 青木
宏 松浦
宏 松浦
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Mitsubishi Heavy Industries Ltd
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本発明は、水陸両用車の機関を制御する水陸両用車の機関制御装置に関する。   The present invention relates to an amphibious engine control apparatus for controlling an amphibious engine.

従来、水陸両用車において、機関を陸上用と水上用とで兼用する場合、機関から水上推進器へのトルクを制御する装置も、陸上走行を基準として設計されている。   Conventionally, in an amphibious vehicle, when the engine is used for both land and water, an apparatus for controlling the torque from the engine to the water propulsion device is also designed based on land travel.

実開平５−１２２０５号公報Japanese Utility Model Publication No. 5-12205

上述したように、従来の水陸両用車では、機関から水上推進器へのトルクを制御する装置も、陸上走行を基準として設計されているため、トルクを指示する操作装置として、アクセルペダルを１系統のみ備えていることが一般的である。この場合の問題点について、図２を参照して説明する。   As described above, in the conventional amphibious vehicle, the device for controlling the torque from the engine to the water propulsion device is also designed on the basis of the land traveling, and therefore, one accelerator pedal is used as the operating device for instructing the torque. It is common to have only. The problem in this case will be described with reference to FIG.

まず、従来の水陸両用車２０について説明する、図２に示す水陸両用車２０において、機関２３からのトルクは、動力分配機２６により、陸上走行器２１用及び水上推進器２２用に分配され、陸上走行器２１用に分配されたトルクは、変速機２７を介して、陸上走行器２１へ伝達され、水上推進器２２用に分配されたトルクは、水上推進器２２へ伝達される。   First, in the amphibious vehicle 20 shown in FIG. 2, which describes a conventional amphibious vehicle 20, torque from the engine 23 is distributed by the power distributor 26 to the land travel device 21 and the water propulsion device 22, The torque distributed for the land traveling device 21 is transmitted to the land traveling device 21 via the transmission 27, and the torque distributed for the water propelling device 22 is transmitted to the water propelling device 22.

（１）
水陸両用車２０には、水上、上陸及び陸上の３モードがあり、上陸時には、陸上走行器２１（例えば、車輪、履帯等）と水上推進器２２（例えば、プロペラ等）の両方を操作する必要があるが、機関２３（例えば、エンジン等）へのトルク指示系統が、機関制御器２４及びアクセルペダル２５の１系統のみでは、陸上走行器２１及び水上推進器２２の双方をそれぞれ指示することができない。 (1)
The amphibious vehicle 20 has three modes of water, land and land, and at the time of landing, it is necessary to operate both the land traveling device 21 (for example, wheels and crawlers) and the water propulsion device 22 (for example, propeller). However, if the torque instruction system to the engine 23 (for example, the engine or the like) is only one system of the engine controller 24 and the accelerator pedal 25, both the land traveling unit 21 and the water propulsion unit 22 can be instructed. Can not.

（２）
アクセルペダル２５を使用した場合、水上推進時には波等の揺動によりアクセルペダル２５を踏み込む危険がある。 (2)
When the accelerator pedal 25 is used, there is a danger of depressing the accelerator pedal 25 due to rocking of waves or the like during water propulsion.

なお、特許文献１には、スロットル機構及び推進系を陸上走行用と水上推進用との２系統併設し、水陸の切り換えを行って、誤操作を防止する水陸両用車を開示しているが、水陸の切り換えは、陸上走行用か水上推進用かのいずれか一方のみであり、同時に操作、駆動させることはできず、上陸の際に必要となるトルクを出力することができない。又、エンジン回転数に対して、陸上走行時、水上推進時及び上陸時とでは、必要となるトルクが各々異なるが、特許文献１では、スロットル機構が陸上走行用と水上推進用との２系統併設されてはいるものの、エンジンへのトルク指示については共通であり、陸上走行時、水上推進時及び上陸時に適したトルクを出力することはできない。   Patent Document 1 discloses an amphibious vehicle in which a throttle mechanism and a propulsion system are provided in two systems, one for land driving and one for water propulsion, and switching between the water and the land to prevent erroneous operation. Is switched to either land driving or water propulsion, and cannot be operated and driven at the same time, and the torque required for landing cannot be output. Further, although the required torque differs depending on the engine speed for on-shore driving, on-water propulsion, and on-land landing, in Patent Document 1, the throttle mechanism has two systems for on-shore driving and on-water propulsion. Although it is also provided, it is common for the torque instruction to the engine, and it is not possible to output a torque suitable for running on land, water propulsion, and landing.

本発明は上記課題に鑑みなされたもので、陸上走行器及び水上推進器の双方へ各々トルクを指示することができる水陸両用車の機関制御装置を提供することを目的とする。   The present invention has been made in view of the above problems, and an object of the present invention is to provide an engine control device for an amphibious vehicle capable of instructing torque to both an onshore vehicle and a watercraft propulsion device.

上記課題を解決する第１の発明に係る水陸両用車の機関制御装置は、
１つの機関を用いて、陸上走行器及び水上推進器の駆動を制御する水陸両用車の機関制御装置であって、
前記陸上走行器に対する第１の操作量を指示する第１の操作手段と、
前記水上推進器に対する第２の操作量を指示する第２の操作手段と、
前記陸上走行器における前記第１の操作量に対する第１の燃料噴射量を求める第１のマップと、前記水上推進器における前記第２の操作量に対する第２の燃料噴射量を求める第２のマップとを有し、前記第１の操作量と前記第２の操作量とに基づいて、前記機関を制御する制御手段とを備え、
前記制御手段は、
前記第１の操作量に基づき、前記第１のマップを用いて、前記第１の燃料噴射量を求め、前記第２の操作量に基づき、前記第２のマップを用いて、前記第２の燃料噴射量を求め、前記第１の燃料噴射量と前記第２の燃料噴射量とを合算した総燃料噴射量を用いて、前記機関を制御する
ことを特徴とする。 An engine control device for an amphibious vehicle according to a first invention for solving the above-mentioned problems is provided as follows:
An engine control device for an amphibious vehicle that uses one engine to control the driving of a land vehicle and a water propulsion device,
First operating means for instructing a first operation amount for the land vehicle;
Second operation means for instructing a second operation amount for the water propulsion device;
A first map for obtaining a first fuel injection amount with respect to the first manipulated variable in the land traveling device, and a second map for obtaining a second fuel injection amount with respect to the second manipulated variable in the water thruster. And a control means for controlling the engine based on the first operation amount and the second operation amount,
The control means includes
Based on the first operation amount, the first map is used to determine the first fuel injection amount, and based on the second operation amount, the second map is used to determine the second fuel injection amount. A fuel injection amount is obtained, and the engine is controlled using a total fuel injection amount obtained by adding the first fuel injection amount and the second fuel injection amount.

従って、陸上走行時に陸上走行器用の第１の操作手段のみを操作したときには、第１の燃料噴射量を総燃料噴射量として用いて、機関を制御することになる。又、水上推進時に水上推進器用の第２の操作手段のみを操作したときには、第２の燃料噴射量を総燃料噴射量として用いて、機関を制御することになる。又、上陸時に陸上走行器用の第１の操作手段と共に水上推進器用の第２の操作手段を操作したときには、第１の燃料噴射量と第２の燃料噴射量とを合算した総燃料噴射量を用いて、機関を制御することになる。   Therefore, when only the first operating means for the land traveling device is operated during the land traveling, the engine is controlled using the first fuel injection amount as the total fuel injection amount. Further, when only the second operating means for the water thruster is operated during water propulsion, the engine is controlled using the second fuel injection amount as the total fuel injection amount. Further, when the second operating means for the water thruster is operated together with the first operating means for the land traveling device at the time of landing, the total fuel injection amount obtained by adding the first fuel injection amount and the second fuel injection amount is calculated. Use it to control the engine.

上記課題を解決する第２の発明に係る水陸両用車の機関制御装置は、
上記第１の発明に記載の水陸両用車の機関制御装置において、
更に、陸上運転、水上運転及び上陸運転のモードを切り換える切換手段を備え、
前記制御手段は、
前記切換手段を陸上運転モードに切り換えたときには、前記第２の操作量及び前記第２の燃料噴射量の少なくとも一方を無視し、前記第１の燃料噴射量を前記総燃料噴射量として用いて、前記機関を制御し、
前記切換手段を水上運転モードに切り換えたときには、前記第１の操作量及び前記第１の燃料噴射量の少なくとも一方を無視し、前記第２の燃料噴射量を前記総燃料噴射量として用いて、前記機関を制御し、
前記切換手段を上陸運転モードに切り換えたときには、前記第１の燃料噴射量と前記第２の燃料噴射量とを合算した前記総燃料噴射量を用いて、前記機関を制御する
ことを特徴とする。 An engine control device for an amphibious vehicle according to a second invention for solving the above-mentioned problems is
In the engine control device for an amphibious vehicle according to the first invention,
Furthermore, it has switching means for switching the mode of land operation, water operation and land operation,
The control means includes
When the switching means is switched to the land operation mode, at least one of the second operation amount and the second fuel injection amount is ignored, and the first fuel injection amount is used as the total fuel injection amount. Control the engine,
When the switching means is switched to the water operation mode, at least one of the first operation amount and the first fuel injection amount is ignored, and the second fuel injection amount is used as the total fuel injection amount. Control the engine,
When the switching means is switched to the landing operation mode, the engine is controlled using the total fuel injection amount obtained by adding the first fuel injection amount and the second fuel injection amount. .

上記課題を解決する第３の発明に係る水陸両用車の機関制御装置は、
上記第１又は第２の発明に記載の水陸両用車の機関制御装置において、
更に、前記機関からのトルクを前記陸上走行器と前記水上推進器に分配する分配手段を備え、
前記分配手段は、前記第１の燃料噴射量と前記第２の燃料噴射量の比に応じて、前記機関からのトルクを前記陸上走行器と前記水上推進器に分配する
ことを特徴とする。 An engine control device for an amphibious vehicle according to a third invention for solving the above-described problem is
In the engine control device for an amphibious vehicle according to the first or second invention,
Furthermore, a distribution means for distributing torque from the engine to the land vehicle and the water propulsion device is provided,
The distribution means distributes torque from the engine to the land travel unit and the water propulsion unit in accordance with a ratio of the first fuel injection amount and the second fuel injection amount.

本発明によれば、上陸時に、陸上走行器及び水上推進器の双方のそれぞれにトルク指示を与えることができる。又、水上推進時において、波の揺動等でアクセルペダルを踏み込んだとしても、誤操作による影響を防止することができる。   According to the present invention, at the time of landing, torque instructions can be given to both the land vehicle and the water propulsion device. Further, even when the accelerator pedal is depressed due to wave oscillation or the like during water propulsion, it is possible to prevent the influence of an erroneous operation.

本発明に係る水陸両用車の機関制御装置の実施形態の一例を説明する概略構成図である。It is a schematic block diagram explaining an example of embodiment of the engine control apparatus of the amphibious vehicle which concerns on this invention. 従来の水陸両用車の問題点を説明する概略構成図である。It is a schematic block diagram explaining the problem of the conventional amphibious vehicle.

以下、図１を参照して、本発明に係る水陸両用車の機関制御装置の実施形態を説明する。   Hereinafter, an embodiment of an engine control device for an amphibious vehicle according to the present invention will be described with reference to FIG.

（実施例１）
図１は、本実施例の水陸両用車の機関制御装置を説明する概略構成図である。 Example 1
FIG. 1 is a schematic configuration diagram illustrating an engine control device for an amphibious vehicle according to the present embodiment.

本実施例の水陸両用車１０においても、従来と同様に、１つの機関１３からのトルクが、動力分配機１４（分配手段）により、陸上走行器１１用及び水上推進器１２用に分配される。陸上走行器１１用に分配されたトルクは、変速機を介して、陸上走行器１１へ伝達されるが、ここでは、変速機の図示を省略している。又、水上推進器１２用に分配されたトルクは、水上推進器１２へ伝達されるが、変速機を介して伝達するようにしても良い。機関１３としてはエンジン等が、陸上走行器１１としては車輪や履帯等が、水上推進器１２としてはプロペラ等が用いられる。   Also in the amphibious vehicle 10 of the present embodiment, the torque from one engine 13 is distributed to the land traveling unit 11 and the water propulsion unit 12 by the power distribution unit 14 (distribution means) as in the past. . The torque distributed to the land traveling device 11 is transmitted to the land traveling device 11 via the transmission, but the transmission is not shown here. The torque distributed to the water propulsion device 12 is transmitted to the water propulsion device 12, but may be transmitted via a transmission. An engine or the like is used as the engine 13, a wheel or a crawler track is used as the land traveling unit 11, and a propeller or the like is used as the water propulsion unit 12.

そして、実施例においては、陸上走行器１１の操作用に、ドライバの足でアクセル操作をするペダル１５（第１の操作手段）と、水上推進器１２の操作用に、ドライバの手でアクセル操作をするレバー１６（第２の操作手段）とを有する。つまり、陸上走行器１１へのトルク指示と水上推進器１２へのトルク指示とは別系統により与えるようにしている。なお、レバー１６に代えて、足で操作するペダル以外のもの、例えば、手で操作するロータリー式、スライダ式のスイッチやスロットルグリップ等でも良い。   In the embodiment, the pedal 15 (first operating means) that performs the accelerator operation with the driver's foot for the operation of the land traveling device 11 and the accelerator operation with the driver's hand for the operation of the water thruster 12 are used. And a lever 16 (second operating means). That is, the torque instruction to the land traveling unit 11 and the torque instruction to the water propulsion unit 12 are given by different systems. Instead of the lever 16, a pedal other than a pedal operated by a foot, for example, a rotary or slider switch or a throttle grip operated by a hand may be used.

更に、ペダル１５からの操作量ＡＣＣ１（第１の操作量）及びレバー１６からの操作量ＡＣＣ２（第２の操作量）は、制御器１７に入力されるが、本実施例において、制御器１７は、陸上走行器１１の制御用の走行用制御部１７ａと、水上推進器１２の制御用の推進用制御部１７ｂとを有し、ペダル１５からの操作量ＡＣＣ１は走行用制御部１７ａへ、レバー１６からの操作量ＡＣＣ２は推進用制御部１７ｂへ各々入力される。又、機関１３のエンジン回転数ＥｎｇＮｅも走行用制御部１７ａへ入力されている。   Further, the operation amount ACC1 (first operation amount) from the pedal 15 and the operation amount ACC2 (second operation amount) from the lever 16 are input to the controller 17, but in this embodiment, the controller 17 Has a traveling control unit 17a for controlling the land traveling unit 11 and a propulsion control unit 17b for controlling the water propulsion unit 12, and the operation amount ACC1 from the pedal 15 is transferred to the traveling control unit 17a. The operation amount ACC2 from the lever 16 is input to the propulsion control unit 17b. The engine speed EngNe of the engine 13 is also input to the traveling control unit 17a.

走行用制御部１７ａは、操作量ＡＣＣ１、エンジン回転数ＥｎｇＮｅ及び燃料噴射量Ｑ１（第１の燃料噴射量）との関係を示す３次元の走行用マップ１８ａ（第１のマップ）を有しており、操作量ＡＣＣ１及びエンジン回転数ＥｎｇＮｅに基づき、走行用マップ１８ａを用いて、機関１３へ供給する燃料噴射量Ｑ１を求めている。   The traveling control unit 17a has a three-dimensional traveling map 18a (first map) showing a relationship among the operation amount ACC1, the engine speed EngNe, and the fuel injection amount Q1 (first fuel injection amount). Accordingly, the fuel injection amount Q1 to be supplied to the engine 13 is obtained using the travel map 18a based on the operation amount ACC1 and the engine speed EngNe.

又、推進用制御部１７ｂは、操作量ＡＣＣ２及び燃料噴射量Ｑ２（第２の燃料噴射量）との関係を示す２次元の推進用マップ１８ｂ（第２のマップ）を有しており、操作量ＡＣＣ２に基づき、推進用マップ１８ｂを用いて、機関１３へ供給する燃料噴射量Ｑ２を求めている。なお、推進用マップ１８ｂに代えて、操作量ＡＣＣ２から燃料噴射量Ｑ２を演算する関数を用いるようにしても良い。   Further, the propulsion control unit 17b has a two-dimensional propulsion map 18b (second map) indicating the relationship between the operation amount ACC2 and the fuel injection amount Q2 (second fuel injection amount). Based on the amount ACC2, the fuel injection amount Q2 to be supplied to the engine 13 is obtained using the propulsion map 18b. Instead of the propulsion map 18b, a function for calculating the fuel injection amount Q2 from the operation amount ACC2 may be used.

制御器１７では、走行用制御部１７ａで求めた燃料噴射量Ｑ１と推進用制御部１７ｂで求めた燃料噴射量Ｑ２とを合算して、総燃料噴射量Ｑを求め、この総燃料噴射量Ｑが機関１３へ供給されて、機関１３は駆動することになる。   The controller 17 adds the fuel injection amount Q1 obtained by the traveling control unit 17a and the fuel injection amount Q2 obtained by the propulsion control unit 17b to obtain a total fuel injection amount Q, and this total fuel injection amount Q Is supplied to the engine 13, and the engine 13 is driven.

機関１３からのトルクは、動力分配機１４により、陸上走行器１１用及び水上推進器１２用に分配されるが、このトルク配分は、例えば、走行用制御部１７ａで求めた燃料噴射量Ｑ１と推進用制御部１７ｂで求めた燃料噴射量Ｑ２との比に応じたものとしても良く、例えば、Ｑ１：Ｑ２＝１：１のときは等分に分配し、Ｑ１：Ｑ２＝２：１のときは、２／３を陸上走行器１１へ、１／３を水上推進器１２へ分配し、Ｑ１：Ｑ２＝１：０のときは、陸上走行器１１のみへ分配し、Ｑ１：Ｑ２＝０：１のときは、水上推進器１２のみへ分配するようにしても良い。   Torque from the engine 13 is distributed by the power distributor 14 to the land traveling unit 11 and the water propulsion unit 12, and this torque distribution is, for example, the fuel injection amount Q1 obtained by the traveling control unit 17a. For example, when Q1: Q2 = 1: 1, it is equally distributed, and when Q1: Q2 = 2: 1, the ratio may be determined according to the ratio with the fuel injection amount Q2 obtained by the propulsion control unit 17b. Distributes 2/3 to the land vehicle 11 and 1/3 to the water propulsion unit 12. When Q1: Q2 = 1: 0, distributes only to the land vehicle 11, Q1: Q2 = 0: In the case of 1, it may be distributed only to the water propelling device 12.

上述した構成を有する水陸両用車１０において、陸上での運転時には、ドライバは、レバー１６を用いず、ペダル１５を用いて、アクセル操作を行い、このアクセル操作に基づいて、制御器１７が機関１３へトルク指示を行うことになる（Ｑ２＝０、∴Ｑ＝Ｑ１）。一方、水上での運転時には、ドライバは、ペダル１５を用いず、レバー１６を用いて、アクセル操作を行い、このアクセル操作に基づいて、制御器１７が機関１３へトルク指示を行うことになる（Ｑ１＝０、∴Ｑ＝Ｑ２）。   In the amphibious vehicle 10 having the above-described configuration, when driving on land, the driver does not use the lever 16 but performs the accelerator operation using the pedal 15, and based on this accelerator operation, the controller 17 causes the engine 13 to operate. Torque instruction is performed (Q2 = 0, ∴Q = Q1). On the other hand, at the time of driving on water, the driver performs an accelerator operation using the lever 16 without using the pedal 15, and the controller 17 gives a torque instruction to the engine 13 based on this accelerator operation ( Q1 = 0, ∴Q = Q2).

そして、水上から陸上へ上陸するときには、ドライバは、ペダル１５と共にレバー１６も用いて、アクセル操作を行い、このアクセル操作に基づいて、制御器１７が機関１３へトルク指示を行うことになる（Ｑ＝Ｑ１＋Ｑ２）。   When landing from the water to the land, the driver uses the lever 15 together with the pedal 15 to perform an accelerator operation, and the controller 17 gives a torque instruction to the engine 13 based on the accelerator operation (Q = Q1 + Q2).

なお、陸上、水上及び上陸の運転モードに応じて、運転モードを選択するモードスイッチ（切換手段）を設けても良い。その場合、制御器１７は、陸上運転モードのときには、操作量ＡＣＣ２及び燃料噴射量Ｑ２の少なくとも一方を無視し、操作量ＡＣＣ１、エンジン回転数ＥｎｇＮｅ、燃料噴射量Ｑ１を用いて、機関１３を制御する。一方、水上運転モードのときには、操作量ＡＣＣ１及び燃料噴射量Ｑ１の少なくとも一方を無視し、操作量ＡＣＣ２及び燃料噴射量Ｑ２を用いて、機関１３を制御する。そして、上陸運転モードのときには、操作量ＡＣＣ１、エンジン回転数ＥｎｇＮｅ、燃料噴射量Ｑ１と共に、操作量ＡＣＣ２、燃料噴射量Ｑ２も用いて、機関１３を制御する。   In addition, you may provide the mode switch (switching means) which selects an operation mode according to the operation mode of land, water, and landing. In that case, the controller 17 ignores at least one of the operation amount ACC2 and the fuel injection amount Q2 and controls the engine 13 using the operation amount ACC1, the engine speed EngNe, and the fuel injection amount Q1 in the land driving mode. To do. On the other hand, in the water operation mode, at least one of the operation amount ACC1 and the fuel injection amount Q1 is ignored, and the engine 13 is controlled using the operation amount ACC2 and the fuel injection amount Q2. In the landing operation mode, the engine 13 is controlled using the operation amount ACC1, the engine rotation speed EngNe, and the fuel injection amount Q1 as well as the operation amount ACC2 and the fuel injection amount Q2.

このようにして、上陸時においては、陸上走行器１１と水上推進器１２へ各々トルク指示を行うことができる。又、水上での運転時において、波の揺動等によりペダル１５を誤って踏み込んでも、制御器１７は、陸上走行器１１へのトルク指示を行わないので、誤操作による影響を防止することができる。   In this way, at the time of landing, torque instructions can be given to the land traveling unit 11 and the water propulsion unit 12, respectively. In addition, even when the pedal 15 is accidentally depressed due to wave swinging or the like during driving on water, the controller 17 does not give a torque instruction to the land traveling unit 11, thereby preventing the influence of an erroneous operation. .

本発明は、水陸両用車に適用されるものであり、特に、エンジン等の機関が１つのものに好適である。   The present invention is applied to an amphibious vehicle, and is particularly suitable for an engine such as an engine.

１１ 陸上走行器
１２ 水上推進器
１３ 機関
１４ 動力分配機
１５ ペダル
１６ レバー
１７ 制御器
１７ａ 走行用制御部
１７ｂ 推進用制御部
１８ａ 走行用マップ
１８ｂ 推進用マップ DESCRIPTION OF SYMBOLS 11 Land vehicle 12 Water propulsion device 13 Engine 14 Power distribution device 15 Pedal 16 Lever 17 Controller 17a Driving control part 17b Propulsion control part 18a Traveling map 18b Propulsion map

Claims (3)

１つの機関を用いて、陸上走行器及び水上推進器の駆動を制御する水陸両用車の機関制御装置であって、
前記陸上走行器に対する第１の操作量を指示する第１の操作手段と、
前記水上推進器に対する第２の操作量を指示する第２の操作手段と、
前記陸上走行器における前記第１の操作量に対する第１の燃料噴射量を求める第１のマップと、前記水上推進器における前記第２の操作量に対する第２の燃料噴射量を求める第２のマップとを有し、前記第１の操作量と前記第２の操作量とに基づいて、前記機関を制御する制御手段とを備え、
前記制御手段は、
前記第１の操作量に基づき、前記第１のマップを用いて、前記第１の燃料噴射量を求め、前記第２の操作量に基づき、前記第２のマップを用いて、前記第２の燃料噴射量を求め、前記第１の燃料噴射量と前記第２の燃料噴射量とを合算した総燃料噴射量を用いて、前記機関を制御する
ことを特徴とする水陸両用車の機関制御装置。 An engine control device for an amphibious vehicle that uses one engine to control the driving of a land vehicle and a water propulsion device,
First operating means for instructing a first operation amount for the land vehicle;
Second operation means for instructing a second operation amount for the water propulsion device;
A first map for obtaining a first fuel injection amount with respect to the first manipulated variable in the land traveling device, and a second map for obtaining a second fuel injection amount with respect to the second manipulated variable in the water thruster. And a control means for controlling the engine based on the first operation amount and the second operation amount,
The control means includes
Based on the first operation amount, the first map is used to determine the first fuel injection amount, and based on the second operation amount, the second map is used to determine the second fuel injection amount. An engine control apparatus for an amphibious vehicle characterized in that a fuel injection amount is obtained and the engine is controlled using a total fuel injection amount obtained by adding the first fuel injection amount and the second fuel injection amount. . 請求項１に記載の水陸両用車の機関制御装置において、
更に、陸上運転、水上運転及び上陸運転のモードを切り換える切換手段を備え、
前記制御手段は、
前記切換手段を陸上運転モードに切り換えたときには、前記第２の操作量及び前記第２の燃料噴射量の少なくとも一方を無視し、前記第１の燃料噴射量を前記総燃料噴射量として用いて、前記機関を制御し、
前記切換手段を水上運転モードに切り換えたときには、前記第１の操作量及び前記第１の燃料噴射量の少なくとも一方を無視し、前記第２の燃料噴射量を前記総燃料噴射量として用いて、前記機関を制御し、
前記切換手段を上陸運転モードに切り換えたときには、前記第１の燃料噴射量と前記第２の燃料噴射量とを合算した前記総燃料噴射量を用いて、前記機関を制御する
ことを特徴とする水陸両用車の機関制御装置。 In the engine control device for an amphibious vehicle according to claim 1,
Furthermore, it has switching means for switching the mode of land operation, water operation and land operation,
The control means includes
When the switching means is switched to the land operation mode, at least one of the second operation amount and the second fuel injection amount is ignored, and the first fuel injection amount is used as the total fuel injection amount. Control the engine,
When the switching means is switched to the water operation mode, at least one of the first operation amount and the first fuel injection amount is ignored, and the second fuel injection amount is used as the total fuel injection amount. Control the engine,
When the switching means is switched to the landing operation mode, the engine is controlled using the total fuel injection amount obtained by adding the first fuel injection amount and the second fuel injection amount. Engine control device for amphibious vehicles. 請求項１又は請求項２に記載の水陸両用車の機関制御装置において、
更に、前記機関からのトルクを前記陸上走行器と前記水上推進器に分配する分配手段を備え、
前記分配手段は、前記第１の燃料噴射量と前記第２の燃料噴射量の比に応じて、前記機関からのトルクを前記陸上走行器と前記水上推進器に分配する
ことを特徴とする水陸両用車の機関制御装置。 In the engine control device for an amphibious vehicle according to claim 1 or 2,
Furthermore, a distribution means for distributing torque from the engine to the land vehicle and the water propulsion device is provided,
The distribution means distributes torque from the engine to the land travel device and the water propulsion device in accordance with a ratio between the first fuel injection amount and the second fuel injection amount. Engine control device for dual-purpose vehicles.
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