JPS5847761Y2 - electric car control device - Google Patents
electric car control deviceInfo
- Publication number
- JPS5847761Y2 JPS5847761Y2 JP1978137271U JP13727178U JPS5847761Y2 JP S5847761 Y2 JPS5847761 Y2 JP S5847761Y2 JP 1978137271 U JP1978137271 U JP 1978137271U JP 13727178 U JP13727178 U JP 13727178U JP S5847761 Y2 JPS5847761 Y2 JP S5847761Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- resistor
- chopper
- output
- trigger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Control Of Direct Current Motors (AREA)
Description
【考案の詳細な説明】
本考案は半導体チョッパで電気車の走行制御を行なう電
気車制御装置の改良に関するものである。[Detailed Description of the Invention] The present invention relates to an improvement of an electric vehicle control device that controls the running of an electric vehicle using a semiconductor chopper.
従来周知のこの種の半導体チョッパを使用した装置は、
チョッパのＯＮ時間及び０１１時間の割合を変化させて
負荷となる電動機への供給電圧の平均値を制御していた
。A conventionally known device using this type of semiconductor chopper is
The average value of the voltage supplied to the electric motor serving as the load was controlled by changing the ON time of the chopper and the ratio of 011 hours.
そして、ＯＮ時間及び０１１時間の割合（以下導通比と
いう。Then, the ratio of ON time and 011 time (hereinafter referred to as conduction ratio).
）を変化する方式としては、ＯＮ時間を一定にしてＯＮ
時間と０１１時間のｌサイクルの和である制御周期を可
変する定ＯＮ制御、あるいは、０１１時間を一定にする
定ＯＦＦ制御、あるいは、ＯＮ時間を可変にして制御周
期を固定した定周期可変パルス幅制御、更にはＯＮ時間
と制御周期とを共に可変する可変周期可変パルス幅制御
（以下ハイブリッド制御という。) is possible by keeping the ON time constant.
Constant ON control that varies the control period, which is the sum of l cycles of time and 011 time, or constant OFF control that keeps 011 time constant, or fixed period variable pulse width that changes the ON time and fixes the control period. Control, and furthermore, variable period variable pulse width control (hereinafter referred to as hybrid control) that varies both the ON time and the control period.
）等がありそれぞれの制御方式に適した発振回路で前記
チョッパへＯＮ、０ＦＦ）リガ信号を供給して、チョッ
パのＯＮ、ＯＦＦ動作を行なっていた。) etc., and an oscillation circuit suitable for each control method supplies ON/OFF) trigger signals to the chopper to turn the chopper ON/OFF.
前述の従来構成のうち定周期可変パルス幅制御方式では
チョッパの最小導通比を十分低くすることが難しく、こ
れが電気車の始動時のスムーズな発進を困難にしていた
。Among the conventional configurations described above, it is difficult to make the minimum conduction ratio of the chopper sufficiently low in the fixed period variable pulse width control method, which makes it difficult to start the electric vehicle smoothly.
又、定ＯＮ制御方式に於ては、最大導通比付近でチョッ
パの動作周波数が高くなり、これによりチョッパのスイ
ッチング損失が増大していた。Furthermore, in the constant ON control method, the operating frequency of the chopper becomes high near the maximum conduction ratio, which increases the switching loss of the chopper.
更にハイブリッド制御方式に於ては前記の２つの欠点は
解消するがチョッパへＯＮ、 ＯＦＦ ）リガ信号を供
給する発振回路の構成が複雑になるという欠点か゛あっ
た。Furthermore, although the hybrid control system eliminates the above two drawbacks, it also has the disadvantage that the configuration of the oscillation circuit that supplies the ON/OFF trigger signal to the chopper becomes complicated.
従って、特性の優れた前記ハイブリッド制御方式におい
て、回路構成が簡単な装置が業界において要望されてい
たのである。Therefore, in the hybrid control system with excellent characteristics, there has been a demand in the industry for a device with a simple circuit configuration.
本考案は上記の問題点に鑑み、簡単な回路構成でチョッ
パの制御に適したハイブリッド制御方式の電気車制御装
置を提供することを目的とするものである。In view of the above problems, it is an object of the present invention to provide a hybrid control type electric vehicle control device suitable for chopper control with a simple circuit configuration.
以下本考案装置の一実施例を示す図面について説明する
。The drawings showing one embodiment of the device of the present invention will be described below.
第１図ないし第３図において、１は直流電源、２は特に
電気車の走行駆動用電動機、３はチョッパ、４はハイブ
リッド方式で作動する発振回路、５は発振回路４の出力
に同期してチョッパ３へＯＮとＯＦＦとの各トリガ信号
を供給するトリガ回路、６はアクセル手段となる特にア
クセルペダル（図示せず）に連動するアクセル踏角検出
の可変抵抗器、７および８は演算増幅器（以下ＯＰアン
プという）で夫々積分回路２０とシュミット回路２１と
を構成する。In Figures 1 to 3, 1 is a DC power supply, 2 is an electric motor especially for driving electric vehicles, 3 is a chopper, 4 is an oscillation circuit that operates in a hybrid system, and 5 is a oscillation circuit that operates in synchronization with the output of the oscillation circuit 4. A trigger circuit supplies ON and OFF trigger signals to the chopper 3; 6 is a variable resistor serving as an accelerator means, particularly for detecting the accelerator depression angle in conjunction with an accelerator pedal (not shown); 7 and 8 are operational amplifiers ( (hereinafter referred to as an OP amplifier) constitute an integrating circuit 20 and a Schmitt circuit 21, respectively.
９，１０，１１．１２．１５および１７は抵抗、１６．
１８は積分回路２０を構成する抵抗１６とコンテ゛ンサ
１８，１９はトランジスタである。9, 10, 11. 12. 15 and 17 are resistors, 16.
Reference numeral 18 denotes a resistor 16 and capacitors 18 and 19 which constitute an integrating circuit 20 and are transistors.
又、１３．１４は基準電圧回路を構成する特に分圧抵抗
である。Further, 13 and 14 are voltage dividing resistors constituting a reference voltage circuit.
上記構成に於てその作動を説明する。The operation in the above configuration will be explained.
ＯＰアンプ８は入力電圧を抵抗１６とコンテ゛ンサ１８
との時定数で積分する積分回路を構成する。The OP amplifier 8 connects the input voltage to a resistor 16 and a capacitor 18.
Configure an integration circuit that integrates with a time constant of .
該出力電圧がＯＰアンプ７で構成するシュミット回路の
反転レベルを越えるとＯＰアンプ７の出力が反転してト
ランジスタ１９をＯＮする。When the output voltage exceeds the inversion level of the Schmitt circuit constituted by the OP amplifier 7, the output of the OP amplifier 7 is inverted and the transistor 19 is turned on.
トランジスタ１９のＯＮによりコンテ゛ンサ１８はＯＰ
アンプ８の出力端子に対して正側へ積分を始め、この値
が前記シュミツすなわち、チョッパＯＦＦ期間は入力電
圧ｅｉが増大すれば減少し、チョッパＯＮ期間は増大す
るハイブリッド制御となる。When the transistor 19 is turned on, the capacitor 18 is opened.
Integration is started on the positive side with respect to the output terminal of the amplifier 8, and this value becomes the above-mentioned Schmidt, that is, hybrid control in which the chopper OFF period decreases as the input voltage ei increases, and the chopper ON period increases.
又、導通比りはｔｄ Ｄ −ｔａ ＋ｔｃ ＝ａｅｘ −ｔ） （ａ、ｂは定数）であり入力電圧ｅｉに比例する。Also, the conduction ratio is td D −ta +tc = aex −t) (a and b are constants) and is proportional to the input voltage ei.
第３図は上記特性を入力電圧ｅｉに対して示したもので
横軸に入力端子ｅｉ、縦軸に導通比りおよびチョッパの
制御周波数ｆを示す。FIG. 3 shows the above characteristics with respect to the input voltage ei, where the horizontal axis shows the input terminal ei, and the vertical axis shows the conduction ratio and the chopper control frequency f.
以上述べたように本考案においては、入力電圧を積分す
る抵抗とコンデンサ、および該抵抗とコンデン′すの接
続点に抵抗が接続され、該抵抗の他端を前記積分出力で
作動するシュミット回路の出力でＯＮするトランジスタ
に接続し、前記積分回１回路のヒステリシス幅を越えた
ときＯＰアンプ７は反転し、トランジスタ１９がＯＦＦ
して再びＯＰアンプ８は入力電圧を積分する。As described above, in the present invention, a resistor and a capacitor that integrate the input voltage are connected, and a resistor is connected to the connection point between the resistor and the capacitor, and the other end of the resistor is connected to a Schmitt circuit that operates with the integrated output. Connected to a transistor that turns on at the output, and when the hysteresis width of the one integrating circuit is exceeded, the OP amplifier 7 is inverted and the transistor 19 is turned off.
Then, the OP amplifier 8 integrates the input voltage again.
ここでＯＰアンプ８の入力端子は可変抵抗器６の摺動端
子に抵抗１６を介して接続されアクセルペダルを踏込む
と可変抵抗器６の摺動端子は図中矢印方向へ移動し、Ｏ
Ｐアンプ８の入力電圧は高くなる。Here, the input terminal of the OP amplifier 8 is connected to the sliding terminal of the variable resistor 6 via a resistor 16, and when the accelerator pedal is depressed, the sliding terminal of the variable resistor 6 moves in the direction of the arrow in the figure, and the
The input voltage of P amplifier 8 becomes higher.
更にトリガ回路５はＯＰアンプ７の出力電圧（方形波形
）を微分してチョツパ３ヘトリガ信号を供給する。Further, the trigger circuit 5 differentiates the output voltage (square waveform) of the OP amplifier 7 and supplies a trigger signal to the chopper 3.
第２図に第１図電気結線図で示す各部の動作波形を示す
。FIG. 2 shows operating waveforms of each part shown in the electrical wiring diagram of FIG. 1.
２ａはＯＰアンプ８の出力電圧波形、２ｂはＯＰアンプ
７の出力電圧波形、２Ｃは０ＮＩ−リガ信号、２ｄは０
ＦＦ） ＩＪガ信号、ｔｄはチョッパＯＮ期間、ｔＣは
チョッパＯＦＦ期間、又、チョッパ導通比りはＤ＝ｔｄ
／ｌｄ＋ｔｃで表わされる。2a is the output voltage waveform of the OP amplifier 8, 2b is the output voltage waveform of the OP amplifier 7, 2C is the 0NI-RIGA signal, and 2d is 0
FF) IJ signal, td is chopper ON period, tC is chopper OFF period, and chopper conduction ratio is D=td
/ld+tc.
ＯＰアンプ７で構成されるシュミット回路のヒステリシ
ス幅をＶＨ１可変抵抗６の摺動端子電圧をｅｉ、抵抗１
４の端子電圧をｅａ、抵抗１５（抵抗値をＲ１５とする
）を流れる電流をＩｓ、抵抗１６（抵抗値をＲ１６とす
る）を流れる電流を１、ＯＰアンプ８の出力からコンテ
゛ンサ１８（容量をＣ１８とする）へ流れる電流をＩｄ
、コンテ゛ンサ１８を反対方向へ流れる電流をＩｃとそ
れぞれおけば、
路を構成するＯＰアンプの非反転入力端子に基準電圧を
供給することにより簡単な回路構成で特にチョッパの制
御に適した発振回路か得られるという優れた効果がある
。The hysteresis width of the Schmitt circuit composed of the OP amplifier 7 is VH1, the sliding terminal voltage of the variable resistor 6 is ei, and the resistor 1 is
The terminal voltage of 4 is ea, the current flowing through the resistor 15 (resistance value is R15) is Is, the current flowing through the resistor 16 (resistance value is R16) is 1, and the output of the OP amplifier 8 is connected to the capacitor 18 (the capacitance is C18)) is Id
, and the current flowing in the opposite direction through the capacitor 18 as Ic. By supplying a reference voltage to the non-inverting input terminal of the OP amplifier forming the circuit, an oscillation circuit particularly suitable for chopper control can be created with a simple circuit configuration. There are excellent effects that can be obtained.
第１図は本考案装置の一実施例を示す電気結線図、第２
図は第１図図示実施例の動作波形図、第３図は第１図図
示実施例の入力端子に対する導通比及びチョッパ制御周
波数の特性図である。
３・・・・・・チョッパ、４・・・・・・発振回路、５
・・・・・・１〜リガ回路、６・・・・・・アクセル手
段、８・・・・・・演算増幅器、１３゜１４・・・・・
・基準電圧回路、１６．１８・・・・・・積分回路中の
抵抗１６とコンデンサ、１８．１９・・・・・・１〜ラ
ンシスタ、２０・・・・・・積分回路、２１・・・・・
・シュミット回路。Fig. 1 is an electrical wiring diagram showing one embodiment of the device of the present invention;
1 is an operating waveform diagram of the embodiment illustrated in FIG. 1, and FIG. 3 is a characteristic diagram of the conduction ratio and chopper control frequency for the input terminal of the embodiment illustrated in FIG. 1. 3... Chopper, 4... Oscillation circuit, 5
...1~Riga circuit, 6...Accelerator means, 8...Operation amplifier, 13°14...
・Reference voltage circuit, 16.18...Resistor 16 and capacitor in the integration circuit, 18.19...1~Rancistor, 20...Integrator circuit, 21...・・・
・Schmitt circuit.
Claims (1)
アクセル手段の出力電圧が入力され矩形パルスを発生す
る発振回路と、該発振回路の出力電圧を波形変形してト
リガ信号を発生するトリガ回路と、該トリガ回路よりの
トリガ信号によりチョッピング動作を行なうチョッパと
を備えたものにおいて、前記発振回路は前記アクセル手
段の出力電圧を積分するための抵抗とコンデンサを有し
該抵抗とコンテ゛ンサの接続点が自身の反転入力端子に
接続された演算増幅器を有する積分回路と、該積分回路
の演算増幅器の出力信号を入力とし該出力信号が所定レ
ベルに達したときに自身の出力側に接続されたトランジ
スタを導通させ、かつ自身の出力側に前記トリガ回路が
接続されたシュミット回路と、前記トランジスタのコレ
クタと前記演算増幅器の反転入力端子との間に接続され
た抵抗と、前記演算増幅器の非反転入力端子に基準電圧
を印加する基準電圧回路とを備えたことを特徴とする電
気車制御装置。an accelerator means that generates an output voltage according to the amount of operation; an oscillation circuit that receives the output voltage of the accelerator means and generates a rectangular pulse; and a trigger circuit that transforms the output voltage of the oscillation circuit into a waveform and generates a trigger signal. and a chopper that performs a chopping operation in response to a trigger signal from the trigger circuit, wherein the oscillation circuit includes a resistor and a capacitor for integrating the output voltage of the accelerator means, and a connection point between the resistor and the capacitor. an integrating circuit having an operational amplifier connected to its inverting input terminal, and a transistor connected to its output side when the output signal of the operational amplifier of the integrating circuit is input and the output signal reaches a predetermined level. a Schmitt circuit with the trigger circuit connected to its output side; a resistor connected between the collector of the transistor and the inverting input terminal of the operational amplifier; and a non-inverting input terminal of the operational amplifier. An electric vehicle control device comprising: a reference voltage circuit that applies a reference voltage to a terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978137271U JPS5847761Y2 (en) | 1978-10-04 | 1978-10-04 | electric car control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978137271U JPS5847761Y2 (en) | 1978-10-04 | 1978-10-04 | electric car control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5553901U JPS5553901U (en) | 1980-04-11 |
| JPS5847761Y2 true JPS5847761Y2 (en) | 1983-10-31 |
Family
ID=29109303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978137271U Expired JPS5847761Y2 (en) | 1978-10-04 | 1978-10-04 | electric car control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5847761Y2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57118261U (en) * | 1981-01-13 | 1982-07-22 | ||
| JPS6216596Y2 (en) * | 1981-02-26 | 1987-04-27 | ||
| JPS6144129Y2 (en) * | 1981-03-09 | 1986-12-12 | ||
| JPS5822658U (en) * | 1981-08-06 | 1983-02-12 | 松下電器産業株式会社 | Air conditioner heating capacity control device |
| JPS5822659U (en) * | 1981-08-06 | 1983-02-12 | 松下電器産業株式会社 | Air conditioner heating capacity control device |
-
1978
- 1978-10-04 JP JP1978137271U patent/JPS5847761Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5553901U (en) | 1980-04-11 |
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