JP3367617B2 - Control method and device for dynamic braking device - Google Patents
Control method and device for dynamic braking deviceInfo
- Publication number
- JP3367617B2 JP3367617B2 JP28032193A JP28032193A JP3367617B2 JP 3367617 B2 JP3367617 B2 JP 3367617B2 JP 28032193 A JP28032193 A JP 28032193A JP 28032193 A JP28032193 A JP 28032193A JP 3367617 B2 JP3367617 B2 JP 3367617B2
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- current
- generator
- field
- generated
- output current
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Description
【０００１】[0001]
【産業上の利用分野】本発明は、車両などの移動体に用
いられる発電制動装置の制御方法と、制御装置とに関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for controlling a dynamic braking device used in a moving body such as a vehicle, and a control device.
【０００２】[0002]
【従来技術】車両や搬送装置、あるいはクレーン、リフ
ト等の移動体の速度制御に発電制動装置が広く用いられ
ている。これは移動体の移動により発電機を回転駆動
し、その際発生する発電電流を抵抗器に通して制動力を
得るものである。2. Description of the Related Art A dynamic braking device is widely used for speed control of a vehicle, a transportation device, or a moving body such as a crane or a lift. In this system, the generator is rotated by the movement of the moving body, and the generated current generated at that time is passed through a resistor to obtain a braking force.
【０００３】ここに発電機としては、分巻あるいは複巻
の直流発電機を用い、制動力は界磁電流を制御すること
により制御する。例えば現在の車速（Ｖ）と目標とする
車速（指令車速Ｖo ）との差（Ｖ−Ｖo ）が正の時に
は、この差の絶対値の大きさに応じて増減する界磁電流
を供給する。これにより差（Ｖ−Ｖo ）が大きい時には
大きな制動力を得、差が小さい時には小さい制動力を得
ることができる。As the generator, a shunt-winding or multi-winding DC generator is used, and the braking force is controlled by controlling the field current. For example, when the difference between the vehicle speed to current vehicle speed (V) and the target (command vehicle speed V o) (V-V o ) is positive, supplying the field current to increase or decrease depending on the magnitude of the absolute value of this difference To do. As a result, a large braking force can be obtained when the difference (V−V o ) is large, and a small braking force can be obtained when the difference is small.
【０００４】ここに界磁電流は、出力電流が目標制動力
に対応する値になるように制御する必要がある。このた
め従来は出力電流を電流検出器で検出して界磁電流の制
御回路に負帰還させていた。例えば発電機の電機子と抵
抗器との閉回路にＣＴ（カレント・トランス、変流器）
を設けて検出していた。The field current must be controlled so that the output current has a value corresponding to the target braking force. Therefore, conventionally, the output current is detected by the current detector and negatively fed back to the field current control circuit. For example, CT (current transformer, current transformer) is used in the closed circuit of the armature and the resistor of the generator.
Was provided for detection.
【０００５】[0005]
【従来技術の問題点】このように従来は出力電流を高価
なＣＴなどで検出し負帰還させていたため、回路構成が
複雑になり、回路の信頼性が低下したり、重量増加が大
きくなったり、高価にもなるという問題があった。As described above, since the output current is conventionally detected by the expensive CT or the like and the negative feedback is performed, the circuit configuration becomes complicated, the reliability of the circuit is deteriorated, and the weight is increased. There was a problem that it would be expensive.
【０００６】[0006]
【発明の目的】本発明はこのような事情に鑑みなされた
ものであり、高価なＣＴ等を用いるほど高精度な制御を
必要としない場合に好適であり、ＣＴなどの電流検出回
路が不要で回路構成が簡単になり、信頼性も向上する発
電制動装置の制御方法を提供することを第１の目的とす
る。またこの方法の実施に直接使用する制御装置を提供
することを第２の目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and is suitable for the case where high-precision control is not required as in the case of using an expensive CT or the like, and a current detection circuit such as CT is unnecessary. A first object of the present invention is to provide a control method for a dynamic braking device that has a simple circuit configuration and improved reliability. A second object is to provide a control device used directly for carrying out this method.
【０００７】[0007]
【発明の構成】本発明によれば第１の目的は、発電機の
発電出力電流を制動抵抗に流すことによって発生する発
電制動力を用いて移動体の速度制御を行う発電制動装置
の制御装置において、発電機の発電出力電流と発電機回
転速度と界磁電流との関係式を予め求めてメモリしてお
く一方、移動体の現在車速と指令車速との差に基づい
て、前記発電制動力に対応する発電出力電流を求め、こ
の発電出力電流を出力させるために必要とする界磁電流
を前記メモリした関係式を用いて求め、この求めた界磁
電流をＰＷＭ方式で制御して界磁コイルに供給すると共
にこの界磁電流のデューティ比を界磁電源電圧と界磁コ
イル抵抗とを用いて求めることを特徴とする発電制動装
置の制御方法により達成される。According to the present invention, a first object of the present invention is to provide a control device for a dynamic braking device that controls the speed of a moving body by using a dynamic braking force generated by flowing a generated output current of a generator through a braking resistor. In the above, while the relational expression of the generator output current of the generator, the generator rotation speed, and the field current is obtained and stored in advance, the generator braking force is calculated based on the difference between the current vehicle speed of the moving body and the command vehicle speed. Of the generated output current, the field current required to output this generated output current is obtained using the relational expression stored in the memory, and the obtained field current is controlled by the PWM method. Together with supplying to the coil
The duty ratio of this field current is
It is achieved by a method for controlling a dynamic braking device, which is characterized in that it is obtained using
【０００８】また第２の目的は、発電機の発電出力電流
を制動抵抗に流すことによって発生する発生制動を用い
て移動体の速度制御を行う発電制動装置の制御装置にお
いて、前記発電機の発電出力電流と発電機回転速度と界
磁電流との関係式を予め記憶させたメモリと；移動体の
現在車速と指令車速との差に基づいて、前記発電制動力
に対応する発電出力電流を求める発電出力電流演算部
と；前記関係式を用いて前記発電出力電流を発生させる
ための界磁電流を求める界磁電流計算部と；この求めた
界磁電流を発生させるために必要な界磁電流のデューテ
ィ比を界磁電源電圧を用いて求める出力デューティ計算
部と；この求めたデューティ比の界磁電流を界磁コイル
に出力するＰＷＭ回路部とを備えることを特徴とする発
電制動装置の制御装置により達成される。A second object is the power generation output current of the generator.
Generated braking by flowing
In a control device for a dynamic braking device that controls the speed of a moving body, a memory in which a relational expression of a generated output current of the generator, a rotating speed of the generator, and a field current is stored in advance ;
A power generation output current calculation unit for obtaining a power generation output current corresponding to the power generation braking force based on a difference between the current vehicle speed and a command vehicle speed ; and a field current for generating the power generation output current using the relational expression. A field current calculation unit for obtaining ; a duty ratio of the field current required to generate the obtained field current using an field power supply voltage ; an output duty calculation unit ; And a PWM circuit unit for outputting a current to a field coil.
【０００９】[0009]
【実施例】図１は本発明の一実施例の概念図であり、こ
の実施例はゴルフカーなどの車両に適用したものであ
る。図２はＣＰＵにおける動作機能を示すブロック図、
図３は動作の流れ図、図４は界磁電流を求めるための関
係式をグラフで示す図、図５は発電機の主回路を示す図
である。FIG. 1 is a conceptual diagram of one embodiment of the present invention, which is applied to a vehicle such as a golf car. FIG. 2 is a block diagram showing operation functions in the CPU,
3 is a flow chart of the operation, FIG. 4 is a graph showing a relational expression for obtaining the field current, and FIG. 5 is a view showing a main circuit of the generator.
【００１０】図１において、符号１０は車体中央付近に
搭載されたエンジン、１２は左右一対の駆動後輪、１４
は両後輪１２、１２間に配設された駆動ケースである。
この駆動ケース１４の入力軸の一端には、エンジン１０
のクランク軸回転がＶベルト式自動変速機１６を介して
伝えられる。なおこの駆動ケース１４の入力軸の他端に
はブレーキ１８が取付けられている。In FIG. 1, reference numeral 10 is an engine mounted near the center of the vehicle body, 12 is a pair of left and right driving rear wheels, and 14 is a rear wheel.
Is a drive case arranged between the two rear wheels 12, 12.
At one end of the input shaft of the drive case 14, the engine 10
Crankshaft rotation is transmitted via the V-belt type automatic transmission 16. A brake 18 is attached to the other end of the input shaft of the drive case 14.
【００１１】２０は発電制動用の直流分巻発電機（ダイ
ナモ）であり、駆動ケース１４の入力軸によりベルト駆
動される。この発電機２０の発電出力電流（ダイナモ電
流）Ｉc は制動抵抗２２に導かれる。すなわち図２に示
すように、発電機２０の電機子２０ａとこの制動抵抗２
２とが閉回路を形成する。従ってこの電流Ｉc と抵抗２
２の抵抗値Ｒs とからこの抵抗２２の消費電力ＷはＷ＝
Ｉc 2 ・Ｒs となり、これが即ち発電制動力Ｆとなる。Reference numeral 20 denotes a DC shunt winding generator (dynamo) for dynamic braking, which is belt driven by an input shaft of the drive case 14. The generated output current (dynamo current) I c of the generator 20 is guided to the braking resistor 22. That is, as shown in FIG. 2, the armature 20a of the generator 20 and the braking resistor 2
2 and 2 form a closed circuit. Therefore, this current I c and resistance 2
From the resistance value R s of 2, the power consumption W of this resistor 22 is W =
I c 2 · R s , which is the dynamic braking force F.
【００１２】エンジン１０には気化器２４が接続され、
気化器２４のスロットル弁２６は電磁クラッチ２８を介
してステップモータ３０により開閉制御される。このス
テップモータ３０は、図示しない速度制御系により車速
Ｖc を指令車速Ｖo に一致させるように制御される。な
おこのスロットル弁２６は、クラッチ３２を介して手動
の速度制御系（図示せず）によっても選択的に制御可能
となっている。A carburetor 24 is connected to the engine 10,
The throttle valve 26 of the carburetor 24 is controlled to open / close by a step motor 30 via an electromagnetic clutch 28. The step motor 30 is controlled so as to match the vehicle speed V c to the command vehicle speed V o by the speed control system (not shown). The throttle valve 26 can be selectively controlled by a manual speed control system (not shown) via the clutch 32.
【００１３】次に発電制動の制御系について説明する。
この制御装置はＣＰＵ４０を備える。このＣＰＵ４０は
ソフトウェアにより構成された図２に示すような種々の
機能を持つ。この発明では走行中に必要とする発電制動
力Ｆすなわち発電出力電流（指示ダイナモ電流）Ｉc
を、現在車速Ｖc と指令車速Ｖo との差に基づいて発電
出力電流演算部４２により決定する。Next, the control system for dynamic braking will be described.
This control device includes a CPU 40. The CPU 40 has various functions configured by software as shown in FIG. In the present invention, the generated braking force F required during traveling, that is, the generated output current (instruction dynamo current) I c
Is determined by the power generation output current calculation unit 42 based on the difference between the current vehicle speed V c and the command vehicle speed V o .
【００１４】ここに現在車速Ｖc は、例えば後輪１２の
車軸の回転に同期したパルスを出力する車速センサ４４
を設け、このパルスをインターフェース（ＩＦ）４６を
介してＣＰＵ４０に読み込みカウントすることにより求
める。図２で４８はこの現在車速Ｖc を求めるためのカ
ウンタである。Here, the current vehicle speed V c is, for example, a vehicle speed sensor 44 which outputs a pulse synchronized with the rotation of the axle of the rear wheel 12.
Is provided, and this pulse is read by the CPU 40 via the interface (IF) 46 and counted. In FIG. 2, reference numeral 48 is a counter for obtaining the present vehicle speed V c .
【００１５】指令車速Ｖo は車速指令手段５０で入力さ
れるかまたは、その入力がされるまでは指令車速メモリ
５１から所定の車速を呼び出して指令車速計算部５１ａ
で計算するようになっている。前記手段５０は種々の構
成が可能であり、例えば運転者が指令するものであって
もよい。また自動走行車の場合には、路面に設けた磁石
定点から信号を受信して指令車速Ｖo を求めてもよい。
この指令車速Ｖo はインターフェース（ＩＦ）５２を介
しＣＰＵ４０の指令車速計算部５１ａに読込まれる。The commanded vehicle speed V o is input by the vehicle speed commanding means 50, or a predetermined vehicle speed is called from the commanded vehicle speed memory 51 until the commanded vehicle speed is input.
It is designed to calculate with. The means 50 can have various configurations, and may be, for example, a driver's command. In the case of an autonomous vehicle, the command vehicle speed V o may be obtained by receiving a signal from a magnet fixed point provided on the road surface.
The command vehicle speed V o is read by the command vehicle speed calculation unit 51 a of the CPU 40 via the interface (IF) 52.
【００１６】ＣＰＵ４０は、現在車速Ｖc と指令車速Ｖ
o との差ｅ＝（Ｖc −Ｖo ）を減算器５４で求め、この
速度差ｅが正であればこの差ｅに基づいて発電機２０に
より発生すべき制動力Ｆすなわち発電出力電流Ｉc を求
める。この電流Ｉc は希望制動力Ｆを発生させるために
必要な電流であるから、以後指示ダイナモ電流Ｉc とも
いうことにする。The CPU 40 controls the current vehicle speed V c and the command vehicle speed V
The difference between the o e = (V c -V o ) calculated by the subtracter 54, the speed difference e braking force to be generated by the generator 20 on the basis of the difference e if positive is F namely power output current I ask for c . Since this current I c is the current required to generate the desired braking force F, it will be referred to as a subsequent instruction dynamo current I c.
【００１７】この電流Ｉc は例えば公知のＰＩＤ制御理
論に基づき求める。すなわち速度差ｅの比例成分△Ｉp
と、積分成分△Ｉi と、微分成分△Ｉd とを所定の重み
係数を持った演算式により求め、これらの和を電流Ｉc
とする。図２で５６、５８、６０はそれぞれ比例、積
分、微分の各成分の演算部、６２はこれらの和を求める
演算部である。This current I c is obtained based on, for example, the well-known PID control theory. That is, the proportional component ΔI p of the speed difference e
, The integral component ΔI i, and the differential component ΔI d are calculated by an arithmetic expression having a predetermined weighting coefficient, and the sum of these is calculated as the current I c.
And In FIG. 2, reference numerals 56, 58, and 60 denote arithmetic units for proportional, integral, and differential components, and 62 denotes an arithmetic unit for obtaining the sum of these components.
【００１８】ＣＰＵ４０では次に発電機２０がこの指示
ダイナモ電流Ｉc を出力するために必要な界磁電流Ｉf
を演算により求める。ここにこの発明では、界磁電流Ｉ
f と指示ダイナモ電流（発電出力電流）Ｉc とダイナモ
回転数（発電機回転速度）Ｎとの関係式Ｉf ＝Ｇ（Ｉ
c 、Ｎ）を予めメモリ部６４に記憶しておく。Next, in the CPU 40, the field current I f necessary for the generator 20 to output the instruction dynamo current I c.
Is calculated. Here, in the present invention, the field current I
The relational expression I f = G (I) between f and the indicated dynamo current (power generation output current) I c and dynamo speed (generator rotation speed) N
c , N) are stored in the memory unit 64 in advance.
【００１９】この関係式Ｇは例えば図４に示すように、
使用する発電器２０により一義的に決まるものであり、
実測により求め、グラフの形式あるいは計算式の形式で
記憶しておく。なおこのメモリ６４にはこの関係式Ｇだ
けでなく、制動抵抗２２の抵抗値Ｒs、界磁コイル２０
ｂの抵抗値Ｒ C 等、必要なデータも予め入力しておく。This relational expression G is, for example, as shown in FIG.
It is uniquely determined by the generator 20 used,
Obtained by actual measurement and stored in the form of graph or formula. Not only the relational expression G but also the resistance value R s of the braking resistor 22 and the field coil 20 are stored in the memory 64.
Necessary data such as the resistance value R C of b is also input in advance.
【００２０】図２で６６は、この関係式Ｇを用いて必要
な界磁電流Ｉf すなわち指示界磁電流Ｉf を求める指示
界磁電流計算部である。なおダイナモ回転数Ｎは、セン
サ６８（図５）が発生する電機子２０ａの回転に同期し
たパルスを、インターフェース（ＩＦ）７０を介してＣ
ＰＵ４０に読込み、パルス数をダイナモ回転数計算部７
２で積算することにより求める。[0020] In FIG 2 66 is an instruction field current calculation section for obtaining the field current I f That instruction field current I f necessary using the equation G. Note that the dynamo rotation speed N is a pulse that is synchronized with the rotation of the armature 20 a generated by the sensor 68 (FIG. 5) and is C through the interface (IF) 70.
The pulse number is read into the PU 40 and the pulse number is calculated by the dynamo rotation number calculation unit 7
Calculate by adding up in 2.
【００２１】このようにして求めた指示界磁電流Ｉfは
実際にはこの電流Ｉfの大きさを示す信号であるから、
この信号を適宜のドライバ回路で実際の界磁電流Ｉfに
変換し増幅する必要がある。この実施例では界磁電流Ｉ
fをＰＷＭ（パルス幅変調）方式により制御するから、
そのデューティ比Ｄcを求める必要がある。そこでＣＰ
Ｕ４０ではこの演算を出力デューティ計算部７４で求め
る。Since the indicated field current I f thus obtained is actually a signal indicating the magnitude of this current I f ,
It is necessary to convert this signal into an actual field current I f and amplify it by an appropriate driver circuit. In this embodiment, the field current I
Since f is controlled by the PWM (pulse width modulation) method,
It is necessary to obtain the duty ratio D c . So CP
In U40, the output duty calculation unit 74 obtains this calculation.
【００２２】このデューティ比Ｄc は、界磁コイルに流
すことのできる最大の電流ＶB ／Ｒc （ＶB ：現在バッ
テリ電圧、Ｒc ：界磁コイル抵抗）と界磁電流Ｉf との
比Ｉf ／（ＶB ／Ｒc ）（＝Ｄc ）として計算される。This duty ratio D c is the maximum current V B / R c (V B : current battery voltage, R c : field coil resistance) that can flow in the field coil and the field current If . It is calculated as the ratio I f / (V B / R c) (= D c).
【００２３】このようにデューティ比Ｄc はＤc ＝Ｉf
／（ＶB ／ＲC ）の計算式により求められる。このデュ
ーティ比Ｄc はインターフェース（ＩＦ）８２を介しＰ
ＷＭ回路部８４に出力され、ＰＷＭ回路部８４ではこの
デューティ比Ｄc でオン・オフする直流電圧を界磁コイ
ル２０ｂに印加する。この結果前記したように走行状態
に対応する希望の発電制動力Ｆを得るための発電機出力
電流（指示ダイナモ電流）Ｉc が制動抵抗２２に流れ
る。この計算の過程は図３の示す通りである。In this way, the duty ratio D c is D c = I f
It is obtained by the calculation formula of / (V B / R C ). This duty ratio D c is P through the interface (IF) 82.
The DC voltage that is output to the WM circuit section 84 and is turned on / off at the duty ratio D c is applied to the field coil 20b in the PWM circuit section 84. As a result generator output current for obtaining the dynamic braking force F desired corresponding to the running state as described above (indicated dynamo current) I c flows to the braking resistor 22. The process of this calculation is as shown in FIG.
【００２４】この実施例では界磁電流Ｉc をＰＷＭ方式
で制御するが、この方式に限らず抵抗制御方式、電圧切
換方式など種々の方式が可能なのは勿論である。またバ
ッテリ７６の電圧ＶB を計算するのに代えて、界磁電流
Ｉc のセンサを設けて、フィードバック制御してもよ
い。Although the field current I c is controlled by the PWM method in this embodiment, it is needless to say that various methods such as a resistance control method and a voltage switching method are possible without being limited to this method. Instead of calculating the voltage V B of the battery 76, a sensor for the field current I c may be provided to perform feedback control.
【００２５】[0025]
【発明の効果】請求項１の発明は、現在車速と指令車速
との差に基づいて発電制動力に対応する発電出力電流を
求める一方、所定の制動力を発生するのに必要な発電出
力電流（ダイナモ電流）Ｉc と、ダイナモ回転数Ｎとか
ら界磁電流（指示界磁電流）Ｉf を求める関係式Ｇをグ
ラフあるいは計算式など所望の形式で予めメモリしてお
き、この関係式Ｇを用いて界磁電流Ｉf を求めるから、
発電機の出力電流をＣＴなど高価な装置で測定する必要
が無くなる。このため回路が簡単で信頼性が向上する。According to the invention of claim 1, the present vehicle speed and the command vehicle speed are set.
Generated output current corresponding to the generated braking force based on the difference between
On the other hand, the required power generation to generate the required braking force
And power current (dynamo current) I c, dynamo speed N Tokara field current (instruction field current) is previously memory in a desired format relation G graph or equation such as for obtaining the I f, the relationship since obtaining the field current I f using equation G,
There is no need to measure the output current of the generator with an expensive device such as CT. Therefore, the circuit is simple and the reliability is improved.
【００２６】ここに界磁電流ＩfをＰＷＭ方式で制御
し、界磁電源電圧（バッテリ電圧ＶB）と界磁コイル抵
抗を用いてデューティ比Ｄcを計算するから信頼性が向
上する。また請求項２の発明によれば請求項１の発明の
実施に用いる制御装置が得られる。Here, the field current If is controlled by the PWM method.
And, field supply voltage from calculating the duty ratio D c using (battery voltage V B) and the field coil resistance reliability improvement
Go up. According to the invention of claim 2, the control device used for carrying out the invention of claim 1 can be obtained.
【図１】本発明の一実施例の概念図FIG. 1 is a conceptual diagram of an embodiment of the present invention.
【図２】ＣＰＵの機能ブロック図FIG. 2 is a functional block diagram of a CPU
【図３】動作流れ図[Fig. 3] Operation flow chart
【図４】関係式を示すグラフの図FIG. 4 is a graph showing a relational expression.
【図５】発電機の主回路を示す図FIG. 5 is a diagram showing a main circuit of a generator.
２０ 発電機 ２２ 制動抵抗 ４０ ＣＰＵ ４２ 発電出力電流演算部 ６４ メモリ部 ６６ 指示界磁電流計算部 ７４ 出力デューティ計算部 ８４ ＰＷＭ回路部 ８４ 異常検出手段としての暴走検出回路 20 generator 22 Braking resistance 40 CPU 42 Generation output current calculator 64 memory section 66 Indicator field current calculator 74 Output duty calculator 84 PWM circuit section 84 Runaway detection circuit as abnormality detection means
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B60L 7/02 H02P 9/30 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) B60L 7/02 H02P 9/30
Claims (2)
ことによって発生する発電制動力を用いて移動体の速度
制御を行う発電制動装置の制御装置において、発電機の
発電出力電流と発電機回転速度と界磁電流との関係式を
予め求めてメモリしておく一方、移動体の現在車速と指
令車速との差に基づいて、前記発電制動力に対応する発
電出力電流を求め、この発電出力電流を出力させるため
に必要とする界磁電流を前記メモリした関係式を用いて
求め、この求めた界磁電流をＰＷＭ方式で制御して界磁
コイルに供給すると共にこの界磁電流のデューティ比を
界磁電源電圧と界磁コイル抵抗とを用いて求めることを
特徴とする発電制動装置の制御方法。1. A generator output current of a generator and a generator in a controller of a generator braking device for controlling a speed of a moving body by using a generator braking force generated by flowing a generator output current to a braking resistor. While the relational expression between the rotation speed and the field current is obtained and stored in advance, the generated output current corresponding to the generated braking force is obtained based on the difference between the current vehicle speed of the moving body and the command vehicle speed, and this power generation is performed. The field current required to output the output current is obtained by using the relational expression stored in the memory, and the obtained field current is controlled by the PWM method to be supplied to the field coil and the duty of the field current. Ratio
A method for controlling a dynamic braking device, which is obtained by using a field power supply voltage and a field coil resistance .
ことによって発生する発生制動を用いて移動体の速度制
御を行う発電制動装置の制御装置において、前記発電機
の発電出力電流と発電機回転速度と界磁電流との関係式
を予め記憶させたメモリと；移動体の現在車速と指令車
速との差に基づいて、前記発電制動力に対応する発電出
力電流を求める発電出力電流演算部と；前記関係式を用
いて前記発電出力電流を発生させるための界磁電流を求
める界磁電流計算部と；この求めた界磁電流を発生させ
るために必要な界磁電流のデューティ比を界磁電源電圧
を用いて求める出力デューティ計算部と；この求めたデ
ューティ比の界磁電流を界磁コイルに出力するＰＷＭ回
路部とを備えることを特徴とする発電制動装置の制御装
置。2. A control device for a dynamic braking device that controls the speed of a moving body by using generated braking generated by flowing a generated output current of a generator through a braking resistor, and the generated output current of the generator and the generator. A memory in which a relational expression between the rotation speed and the field current is stored in advance; a power generation output current calculation unit that determines a power generation output current corresponding to the power generation braking force based on a difference between the current vehicle speed of the moving body and a command vehicle speed A field current calculation unit for obtaining a field current for generating the generated output current using the relational expression; and a field current duty ratio required for generating the obtained field current. An apparatus for controlling a dynamic braking device, comprising: an output duty calculation section obtained using a magnetic power supply voltage; and a PWM circuit section that outputs a field current having the obtained duty ratio to a field coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28032193A JP3367617B2 (en) | 1993-10-14 | 1993-10-14 | Control method and device for dynamic braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28032193A JP3367617B2 (en) | 1993-10-14 | 1993-10-14 | Control method and device for dynamic braking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07115705A JPH07115705A (en) | 1995-05-02 |
| JP3367617B2 true JP3367617B2 (en) | 2003-01-14 |
Family
ID=17623373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28032193A Expired - Fee Related JP3367617B2 (en) | 1993-10-14 | 1993-10-14 | Control method and device for dynamic braking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3367617B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057425A (en) * | 2013-01-05 | 2013-04-24 | 北京工业大学 | Electronic control unit for vehicular self-excitation liquid-cooled retarders |
-
1993
- 1993-10-14 JP JP28032193A patent/JP3367617B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057425A (en) * | 2013-01-05 | 2013-04-24 | 北京工业大学 | Electronic control unit for vehicular self-excitation liquid-cooled retarders |
| CN103057425B (en) * | 2013-01-05 | 2016-01-13 | 扬州安行机电科技有限公司 | A kind of automobile-used self-excitation type liquid-cooled retarder electronic control package |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07115705A (en) | 1995-05-02 |
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